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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" | |
718e3744 | 57 | |
d62a17ae | 58 | DEFINE_MTYPE_STATIC(OSPFD, OSPF_OPAQUE_FUNCTAB, "OSPF opaque function table") |
fc7948fa | 59 | DEFINE_MTYPE_STATIC(OSPFD, OPAQUE_INFO_PER_TYPE, "OSPF opaque per-type info") |
d62a17ae | 60 | DEFINE_MTYPE_STATIC(OSPFD, OPAQUE_INFO_PER_ID, "OSPF opaque per-ID info") |
fc7948fa | 61 | |
718e3744 | 62 | /*------------------------------------------------------------------------* |
63 | * Followings are initialize/terminate functions for Opaque-LSAs handling. | |
64 | *------------------------------------------------------------------------*/ | |
65 | ||
283ae334 | 66 | #ifdef SUPPORT_OSPF_API |
d62a17ae | 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 | ||
d62a17ae | 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); | |
19274fe8 | 78 | static void free_opaque_info_owner(void *val); |
d62a17ae | 79 | static int ospf_opaque_lsa_install_hook(struct ospf_lsa *lsa); |
80 | static int ospf_opaque_lsa_delete_hook(struct ospf_lsa *lsa); | |
718e3744 | 81 | |
d62a17ae | 82 | void ospf_opaque_init(void) |
718e3744 | 83 | { |
d62a17ae | 84 | ospf_opaque_register_vty(); |
85 | ospf_opaque_funclist_init(); | |
718e3744 | 86 | |
d62a17ae | 87 | if (ospf_mpls_te_init() != 0) |
88 | exit(1); | |
718e3744 | 89 | |
cf9b9f77 OD |
90 | /* Segment Routing init */ |
91 | if (ospf_sr_init() != 0) | |
92 | exit(1); | |
93 | ||
d62a17ae | 94 | if (ospf_router_info_init() != 0) |
95 | exit(1); | |
0ef4bcdc | 96 | |
cf9b9f77 OD |
97 | if (ospf_ext_init() != 0) |
98 | exit(1); | |
99 | ||
283ae334 | 100 | #ifdef SUPPORT_OSPF_API |
d62a17ae | 101 | if ((ospf_apiserver_enable) && (ospf_apiserver_init() != 0)) |
102 | exit(1); | |
283ae334 | 103 | #endif /* SUPPORT_OSPF_API */ |
104 | ||
d62a17ae | 105 | return; |
718e3744 | 106 | } |
107 | ||
d62a17ae | 108 | void ospf_opaque_term(void) |
718e3744 | 109 | { |
d62a17ae | 110 | ospf_mpls_te_term(); |
718e3744 | 111 | |
d62a17ae | 112 | ospf_router_info_term(); |
0ef4bcdc | 113 | |
cf9b9f77 OD |
114 | ospf_ext_term(); |
115 | ||
116 | ospf_sr_term(); | |
117 | ||
283ae334 | 118 | #ifdef SUPPORT_OSPF_API |
d62a17ae | 119 | ospf_apiserver_term(); |
283ae334 | 120 | #endif /* SUPPORT_OSPF_API */ |
121 | ||
d62a17ae | 122 | ospf_opaque_funclist_term(); |
123 | return; | |
718e3744 | 124 | } |
125 | ||
bcf4475e OD |
126 | void ospf_opaque_finish(void) |
127 | { | |
128 | ospf_router_info_finish(); | |
129 | ||
130 | ospf_ext_finish(); | |
131 | ||
132 | ospf_sr_finish(); | |
133 | } | |
134 | ||
d62a17ae | 135 | int ospf_opaque_type9_lsa_init(struct ospf_interface *oi) |
718e3744 | 136 | { |
d62a17ae | 137 | if (oi->opaque_lsa_self != NULL) |
affe9e99 | 138 | list_delete_and_null(&oi->opaque_lsa_self); |
718e3744 | 139 | |
d62a17ae | 140 | oi->opaque_lsa_self = list_new(); |
141 | oi->opaque_lsa_self->del = free_opaque_info_per_type; | |
142 | oi->t_opaque_lsa_self = NULL; | |
143 | return 0; | |
718e3744 | 144 | } |
145 | ||
d62a17ae | 146 | void ospf_opaque_type9_lsa_term(struct ospf_interface *oi) |
718e3744 | 147 | { |
d62a17ae | 148 | OSPF_TIMER_OFF(oi->t_opaque_lsa_self); |
149 | if (oi->opaque_lsa_self != NULL) | |
affe9e99 | 150 | list_delete_and_null(&oi->opaque_lsa_self); |
d62a17ae | 151 | oi->opaque_lsa_self = NULL; |
152 | return; | |
718e3744 | 153 | } |
154 | ||
d62a17ae | 155 | int ospf_opaque_type10_lsa_init(struct ospf_area *area) |
718e3744 | 156 | { |
d62a17ae | 157 | if (area->opaque_lsa_self != NULL) |
affe9e99 | 158 | list_delete_and_null(&area->opaque_lsa_self); |
718e3744 | 159 | |
d62a17ae | 160 | area->opaque_lsa_self = list_new(); |
161 | area->opaque_lsa_self->del = free_opaque_info_per_type; | |
162 | area->t_opaque_lsa_self = NULL; | |
718e3744 | 163 | |
164 | #ifdef MONITOR_LSDB_CHANGE | |
d62a17ae | 165 | area->lsdb->new_lsa_hook = ospf_opaque_lsa_install_hook; |
166 | area->lsdb->del_lsa_hook = ospf_opaque_lsa_delete_hook; | |
718e3744 | 167 | #endif /* MONITOR_LSDB_CHANGE */ |
d62a17ae | 168 | return 0; |
718e3744 | 169 | } |
170 | ||
d62a17ae | 171 | void ospf_opaque_type10_lsa_term(struct ospf_area *area) |
718e3744 | 172 | { |
173 | #ifdef MONITOR_LSDB_CHANGE | |
d62a17ae | 174 | area->lsdb->new_lsa_hook = area->lsdb->del_lsa_hook = NULL; |
718e3744 | 175 | #endif /* MONITOR_LSDB_CHANGE */ |
176 | ||
d62a17ae | 177 | OSPF_TIMER_OFF(area->t_opaque_lsa_self); |
178 | if (area->opaque_lsa_self != NULL) | |
affe9e99 | 179 | list_delete_and_null(&area->opaque_lsa_self); |
d62a17ae | 180 | return; |
718e3744 | 181 | } |
182 | ||
d62a17ae | 183 | int ospf_opaque_type11_lsa_init(struct ospf *top) |
718e3744 | 184 | { |
d62a17ae | 185 | if (top->opaque_lsa_self != NULL) |
affe9e99 | 186 | list_delete_and_null(&top->opaque_lsa_self); |
718e3744 | 187 | |
d62a17ae | 188 | top->opaque_lsa_self = list_new(); |
189 | top->opaque_lsa_self->del = free_opaque_info_per_type; | |
190 | top->t_opaque_lsa_self = NULL; | |
718e3744 | 191 | |
192 | #ifdef MONITOR_LSDB_CHANGE | |
d62a17ae | 193 | top->lsdb->new_lsa_hook = ospf_opaque_lsa_install_hook; |
194 | top->lsdb->del_lsa_hook = ospf_opaque_lsa_delete_hook; | |
718e3744 | 195 | #endif /* MONITOR_LSDB_CHANGE */ |
d62a17ae | 196 | return 0; |
718e3744 | 197 | } |
198 | ||
d62a17ae | 199 | void ospf_opaque_type11_lsa_term(struct ospf *top) |
718e3744 | 200 | { |
201 | #ifdef MONITOR_LSDB_CHANGE | |
d62a17ae | 202 | top->lsdb->new_lsa_hook = top->lsdb->del_lsa_hook = NULL; |
718e3744 | 203 | #endif /* MONITOR_LSDB_CHANGE */ |
204 | ||
d62a17ae | 205 | OSPF_TIMER_OFF(top->t_opaque_lsa_self); |
206 | if (top->opaque_lsa_self != NULL) | |
affe9e99 | 207 | list_delete_and_null(&top->opaque_lsa_self); |
d62a17ae | 208 | return; |
209 | } | |
210 | ||
d7c0a89a | 211 | static const char *ospf_opaque_type_name(uint8_t opaque_type) |
d62a17ae | 212 | { |
213 | const char *name = "Unknown"; | |
214 | ||
215 | switch (opaque_type) { | |
216 | case OPAQUE_TYPE_WILDCARD: /* This is a special assignment! */ | |
217 | name = "Wildcard"; | |
218 | break; | |
219 | case OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA: | |
220 | name = "Traffic Engineering LSA"; | |
221 | break; | |
222 | case OPAQUE_TYPE_SYCAMORE_OPTICAL_TOPOLOGY_DESC: | |
223 | name = "Sycamore optical topology description"; | |
224 | break; | |
225 | case OPAQUE_TYPE_GRACE_LSA: | |
226 | name = "Grace-LSA"; | |
227 | break; | |
228 | case OPAQUE_TYPE_INTER_AS_LSA: | |
229 | name = "Inter-AS TE-v2 LSA"; | |
230 | break; | |
231 | case OPAQUE_TYPE_ROUTER_INFORMATION_LSA: | |
232 | name = "Router Information LSA"; | |
233 | break; | |
cf9b9f77 OD |
234 | case OPAQUE_TYPE_EXTENDED_PREFIX_LSA: |
235 | name = "Extended Prefix Opaque LSA"; | |
236 | break; | |
237 | case OPAQUE_TYPE_EXTENDED_LINK_LSA: | |
238 | name = "Extended Link Opaque LSA"; | |
239 | break; | |
d62a17ae | 240 | default: |
241 | if (OPAQUE_TYPE_RANGE_UNASSIGNED(opaque_type)) | |
242 | name = "Unassigned"; | |
243 | else { | |
d7c0a89a | 244 | uint32_t bigger_range = opaque_type; |
d62a17ae | 245 | /* |
246 | * Get around type-limits warning: comparison is always | |
247 | * true due to limited range of data type | |
248 | */ | |
249 | if (OPAQUE_TYPE_RANGE_RESERVED(bigger_range)) | |
250 | name = "Private/Experimental"; | |
251 | } | |
252 | break; | |
253 | } | |
254 | return name; | |
718e3744 | 255 | } |
256 | ||
257 | /*------------------------------------------------------------------------* | |
258 | * Followings are management functions to store user specified callbacks. | |
259 | *------------------------------------------------------------------------*/ | |
260 | ||
261 | struct opaque_info_per_type; /* Forward declaration. */ | |
262 | ||
d62a17ae | 263 | struct ospf_opaque_functab { |
d7c0a89a | 264 | uint8_t opaque_type; |
d62a17ae | 265 | struct opaque_info_per_type *oipt; |
266 | ||
267 | int (*new_if_hook)(struct interface *ifp); | |
268 | int (*del_if_hook)(struct interface *ifp); | |
269 | void (*ism_change_hook)(struct ospf_interface *oi, int old_status); | |
270 | void (*nsm_change_hook)(struct ospf_neighbor *nbr, int old_status); | |
271 | void (*config_write_router)(struct vty *vty); | |
272 | void (*config_write_if)(struct vty *vty, struct interface *ifp); | |
273 | void (*config_write_debug)(struct vty *vty); | |
274 | void (*show_opaque_info)(struct vty *vty, struct ospf_lsa *lsa); | |
275 | int (*lsa_originator)(void *arg); | |
276 | struct ospf_lsa *(*lsa_refresher)(struct ospf_lsa *lsa); | |
277 | int (*new_lsa_hook)(struct ospf_lsa *lsa); | |
278 | int (*del_lsa_hook)(struct ospf_lsa *lsa); | |
718e3744 | 279 | }; |
280 | ||
87d6f87a | 281 | /* Handle LSA-9/10/11 altogether. */ |
282 | static struct list *ospf_opaque_wildcard_funclist; | |
283 | static struct list *ospf_opaque_type9_funclist; | |
284 | static struct list *ospf_opaque_type10_funclist; | |
285 | static struct list *ospf_opaque_type11_funclist; | |
718e3744 | 286 | |
d62a17ae | 287 | static void ospf_opaque_del_functab(void *val) |
718e3744 | 288 | { |
d62a17ae | 289 | XFREE(MTYPE_OSPF_OPAQUE_FUNCTAB, val); |
290 | return; | |
718e3744 | 291 | } |
292 | ||
d62a17ae | 293 | static void ospf_opaque_funclist_init(void) |
718e3744 | 294 | { |
d62a17ae | 295 | struct list *funclist; |
718e3744 | 296 | |
d62a17ae | 297 | funclist = ospf_opaque_wildcard_funclist = list_new(); |
298 | funclist->del = ospf_opaque_del_functab; | |
09e4efdc | 299 | |
d62a17ae | 300 | funclist = ospf_opaque_type9_funclist = list_new(); |
301 | funclist->del = ospf_opaque_del_functab; | |
718e3744 | 302 | |
d62a17ae | 303 | funclist = ospf_opaque_type10_funclist = list_new(); |
304 | funclist->del = ospf_opaque_del_functab; | |
718e3744 | 305 | |
d62a17ae | 306 | funclist = ospf_opaque_type11_funclist = list_new(); |
307 | funclist->del = ospf_opaque_del_functab; | |
308 | return; | |
718e3744 | 309 | } |
310 | ||
d62a17ae | 311 | static void ospf_opaque_funclist_term(void) |
718e3744 | 312 | { |
d62a17ae | 313 | struct list *funclist; |
718e3744 | 314 | |
d62a17ae | 315 | funclist = ospf_opaque_wildcard_funclist; |
affe9e99 | 316 | list_delete_and_null(&funclist); |
09e4efdc | 317 | |
d62a17ae | 318 | funclist = ospf_opaque_type9_funclist; |
affe9e99 | 319 | list_delete_and_null(&funclist); |
718e3744 | 320 | |
d62a17ae | 321 | funclist = ospf_opaque_type10_funclist; |
affe9e99 | 322 | list_delete_and_null(&funclist); |
718e3744 | 323 | |
d62a17ae | 324 | funclist = ospf_opaque_type11_funclist; |
affe9e99 | 325 | list_delete_and_null(&funclist); |
d62a17ae | 326 | return; |
718e3744 | 327 | } |
328 | ||
d7c0a89a | 329 | static struct list *ospf_get_opaque_funclist(uint8_t lsa_type) |
718e3744 | 330 | { |
d62a17ae | 331 | struct list *funclist = NULL; |
718e3744 | 332 | |
d62a17ae | 333 | switch (lsa_type) { |
334 | case OPAQUE_TYPE_WILDCARD: | |
335 | /* XXX | |
336 | * This is an ugly trick to handle type-9/10/11 LSA altogether. | |
337 | * Yes, "OPAQUE_TYPE_WILDCARD (value 0)" is not an LSA-type, nor | |
338 | * an officially assigned opaque-type. | |
339 | * Though it is possible that the value might be officially used | |
340 | * in the future, we use it internally as a special label, for | |
341 | * now. | |
342 | */ | |
343 | funclist = ospf_opaque_wildcard_funclist; | |
344 | break; | |
345 | case OSPF_OPAQUE_LINK_LSA: | |
346 | funclist = ospf_opaque_type9_funclist; | |
347 | break; | |
348 | case OSPF_OPAQUE_AREA_LSA: | |
349 | funclist = ospf_opaque_type10_funclist; | |
350 | break; | |
351 | case OSPF_OPAQUE_AS_LSA: | |
352 | funclist = ospf_opaque_type11_funclist; | |
353 | break; | |
354 | default: | |
355 | zlog_warn("ospf_get_opaque_funclist: Unexpected LSA-type(%u)", | |
356 | lsa_type); | |
357 | break; | |
358 | } | |
359 | return funclist; | |
718e3744 | 360 | } |
361 | ||
87d6f87a | 362 | /* XXX: such a huge argument list can /not/ be healthy... */ |
d62a17ae | 363 | int ospf_register_opaque_functab( |
d7c0a89a | 364 | uint8_t lsa_type, uint8_t opaque_type, |
d62a17ae | 365 | int (*new_if_hook)(struct interface *ifp), |
366 | int (*del_if_hook)(struct interface *ifp), | |
367 | void (*ism_change_hook)(struct ospf_interface *oi, int old_status), | |
368 | void (*nsm_change_hook)(struct ospf_neighbor *nbr, int old_status), | |
369 | void (*config_write_router)(struct vty *vty), | |
370 | void (*config_write_if)(struct vty *vty, struct interface *ifp), | |
371 | void (*config_write_debug)(struct vty *vty), | |
372 | void (*show_opaque_info)(struct vty *vty, struct ospf_lsa *lsa), | |
373 | int (*lsa_originator)(void *arg), | |
374 | struct ospf_lsa *(*lsa_refresher)(struct ospf_lsa *lsa), | |
375 | int (*new_lsa_hook)(struct ospf_lsa *lsa), | |
376 | int (*del_lsa_hook)(struct ospf_lsa *lsa)) | |
377 | { | |
378 | struct list *funclist; | |
379 | struct ospf_opaque_functab *new; | |
380 | int rc = -1; | |
381 | ||
382 | if ((funclist = ospf_get_opaque_funclist(lsa_type)) == NULL) { | |
383 | zlog_warn( | |
384 | "ospf_register_opaque_functab: Cannot get funclist" | |
385 | " for Type-%u LSAs?", | |
386 | lsa_type); | |
387 | goto out; | |
388 | } else { | |
389 | struct listnode *node, *nnode; | |
390 | struct ospf_opaque_functab *functab; | |
391 | ||
392 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) | |
393 | if (functab->opaque_type == opaque_type) { | |
394 | zlog_warn( | |
395 | "ospf_register_opaque_functab: Duplicated entry?:" | |
396 | " lsa_type(%u), opaque_type(%u)", | |
397 | lsa_type, opaque_type); | |
398 | goto out; | |
399 | } | |
400 | } | |
401 | ||
402 | if ((new = XCALLOC(MTYPE_OSPF_OPAQUE_FUNCTAB, | |
403 | sizeof(struct ospf_opaque_functab))) | |
404 | == NULL) { | |
405 | zlog_warn("ospf_register_opaque_functab: XMALLOC: %s", | |
406 | safe_strerror(errno)); | |
407 | goto out; | |
408 | } | |
409 | ||
410 | new->opaque_type = opaque_type; | |
411 | new->oipt = NULL; | |
412 | new->new_if_hook = new_if_hook; | |
413 | new->del_if_hook = del_if_hook; | |
414 | new->ism_change_hook = ism_change_hook; | |
415 | new->nsm_change_hook = nsm_change_hook; | |
416 | new->config_write_router = config_write_router; | |
417 | new->config_write_if = config_write_if; | |
418 | new->config_write_debug = config_write_debug; | |
419 | new->show_opaque_info = show_opaque_info; | |
420 | new->lsa_originator = lsa_originator; | |
421 | new->lsa_refresher = lsa_refresher; | |
422 | new->new_lsa_hook = new_lsa_hook; | |
423 | new->del_lsa_hook = del_lsa_hook; | |
424 | ||
425 | listnode_add(funclist, new); | |
426 | rc = 0; | |
718e3744 | 427 | |
428 | out: | |
d62a17ae | 429 | return rc; |
718e3744 | 430 | } |
431 | ||
d7c0a89a | 432 | void ospf_delete_opaque_functab(uint8_t lsa_type, uint8_t opaque_type) |
718e3744 | 433 | { |
d62a17ae | 434 | struct list *funclist; |
435 | struct listnode *node, *nnode; | |
436 | struct ospf_opaque_functab *functab; | |
718e3744 | 437 | |
d62a17ae | 438 | if ((funclist = ospf_get_opaque_funclist(lsa_type)) != NULL) |
439 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) { | |
440 | if (functab->opaque_type == opaque_type) { | |
441 | /* Cleanup internal control information, if it | |
442 | * still remains. */ | |
19274fe8 | 443 | if (functab->oipt != NULL) { |
d62a17ae | 444 | free_opaque_info_per_type( |
445 | functab->oipt); | |
19274fe8 OD |
446 | free_opaque_info_owner(functab->oipt); |
447 | } | |
718e3744 | 448 | |
d62a17ae | 449 | /* Dequeue listnode entry from the list. */ |
450 | listnode_delete(funclist, functab); | |
718e3744 | 451 | |
d62a17ae | 452 | /* Avoid misjudgement in the next lookup. */ |
453 | if (listcount(funclist) == 0) | |
454 | funclist->head = funclist->tail = NULL; | |
718e3744 | 455 | |
d62a17ae | 456 | XFREE(MTYPE_OSPF_OPAQUE_FUNCTAB, functab); |
457 | break; | |
458 | } | |
459 | } | |
87d6f87a | 460 | |
d62a17ae | 461 | return; |
718e3744 | 462 | } |
463 | ||
464 | static struct ospf_opaque_functab * | |
d62a17ae | 465 | ospf_opaque_functab_lookup(struct ospf_lsa *lsa) |
718e3744 | 466 | { |
d62a17ae | 467 | struct list *funclist; |
468 | struct listnode *node; | |
469 | struct ospf_opaque_functab *functab; | |
d7c0a89a | 470 | uint8_t key = GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)); |
718e3744 | 471 | |
d62a17ae | 472 | if ((funclist = ospf_get_opaque_funclist(lsa->data->type)) != NULL) |
473 | for (ALL_LIST_ELEMENTS_RO(funclist, node, functab)) | |
474 | if (functab->opaque_type == key) | |
475 | return functab; | |
718e3744 | 476 | |
d62a17ae | 477 | return NULL; |
718e3744 | 478 | } |
479 | ||
480 | /*------------------------------------------------------------------------* | |
481 | * Followings are management functions for self-originated LSA entries. | |
482 | *------------------------------------------------------------------------*/ | |
483 | ||
484 | /* | |
485 | * Opaque-LSA control information per opaque-type. | |
486 | * Single Opaque-Type may have multiple instances; each of them will be | |
487 | * identified by their opaque-id. | |
488 | */ | |
d62a17ae | 489 | struct opaque_info_per_type { |
d7c0a89a QY |
490 | uint8_t lsa_type; |
491 | uint8_t opaque_type; | |
d62a17ae | 492 | |
493 | enum { PROC_NORMAL, PROC_SUSPEND } status; | |
494 | ||
495 | /* | |
496 | * Thread for (re-)origination scheduling for this opaque-type. | |
497 | * | |
498 | * Initial origination of Opaque-LSAs is controlled by generic | |
499 | * Opaque-LSA handling module so that same opaque-type entries are | |
500 | * called all at once when certain conditions are met. | |
501 | * However, there might be cases that some Opaque-LSA clients need | |
502 | * to (re-)originate their own Opaque-LSAs out-of-sync with others. | |
503 | * This thread is prepared for that specific purpose. | |
504 | */ | |
505 | struct thread *t_opaque_lsa_self; | |
506 | ||
507 | /* | |
508 | * Backpointer to an "owner" which is LSA-type dependent. | |
509 | * type-9: struct ospf_interface | |
510 | * type-10: struct ospf_area | |
511 | * type-11: struct ospf | |
512 | */ | |
513 | void *owner; | |
514 | ||
515 | /* Collection of callback functions for this opaque-type. */ | |
516 | struct ospf_opaque_functab *functab; | |
517 | ||
518 | /* List of Opaque-LSA control informations per opaque-id. */ | |
519 | struct list *id_list; | |
718e3744 | 520 | }; |
521 | ||
522 | /* Opaque-LSA control information per opaque-id. */ | |
d62a17ae | 523 | struct opaque_info_per_id { |
d7c0a89a | 524 | uint32_t opaque_id; |
718e3744 | 525 | |
d62a17ae | 526 | /* Thread for refresh/flush scheduling for this opaque-type/id. */ |
527 | struct thread *t_opaque_lsa_self; | |
718e3744 | 528 | |
d62a17ae | 529 | /* Backpointer to Opaque-LSA control information per opaque-type. */ |
530 | struct opaque_info_per_type *opqctl_type; | |
718e3744 | 531 | |
d62a17ae | 532 | /* Here comes an actual Opaque-LSA entry for this opaque-type/id. */ |
533 | struct ospf_lsa *lsa; | |
718e3744 | 534 | }; |
535 | ||
d62a17ae | 536 | static struct opaque_info_per_type * |
537 | register_opaque_info_per_type(struct ospf_opaque_functab *functab, | |
538 | struct ospf_lsa *new); | |
539 | static struct opaque_info_per_type * | |
540 | lookup_opaque_info_by_type(struct ospf_lsa *lsa); | |
541 | static struct opaque_info_per_id * | |
542 | register_opaque_info_per_id(struct opaque_info_per_type *oipt, | |
543 | struct ospf_lsa *new); | |
544 | static struct opaque_info_per_id * | |
545 | lookup_opaque_info_by_id(struct opaque_info_per_type *oipt, | |
546 | struct ospf_lsa *lsa); | |
547 | static struct opaque_info_per_id *register_opaque_lsa(struct ospf_lsa *new); | |
718e3744 | 548 | |
549 | ||
550 | static struct opaque_info_per_type * | |
d62a17ae | 551 | register_opaque_info_per_type(struct ospf_opaque_functab *functab, |
552 | struct ospf_lsa *new) | |
553 | { | |
554 | struct ospf *top; | |
555 | struct opaque_info_per_type *oipt; | |
556 | ||
557 | if ((oipt = XCALLOC(MTYPE_OPAQUE_INFO_PER_TYPE, | |
558 | sizeof(struct opaque_info_per_type))) | |
559 | == NULL) { | |
560 | zlog_warn("register_opaque_info_per_type: XMALLOC: %s", | |
561 | safe_strerror(errno)); | |
562 | goto out; | |
563 | } | |
564 | ||
565 | switch (new->data->type) { | |
566 | case OSPF_OPAQUE_LINK_LSA: | |
567 | oipt->owner = new->oi; | |
568 | listnode_add(new->oi->opaque_lsa_self, oipt); | |
569 | break; | |
570 | case OSPF_OPAQUE_AREA_LSA: | |
571 | oipt->owner = new->area; | |
572 | listnode_add(new->area->opaque_lsa_self, oipt); | |
573 | break; | |
574 | case OSPF_OPAQUE_AS_LSA: | |
b5a8894d | 575 | top = ospf_lookup_by_vrf_id(new->vrf_id); |
d62a17ae | 576 | if (new->area != NULL && (top = new->area->ospf) == NULL) { |
577 | free_opaque_info_per_type((void *)oipt); | |
19274fe8 | 578 | free_opaque_info_owner(oipt); |
d62a17ae | 579 | oipt = NULL; |
580 | goto out; /* This case may not exist. */ | |
581 | } | |
582 | oipt->owner = top; | |
583 | listnode_add(top->opaque_lsa_self, oipt); | |
584 | break; | |
585 | default: | |
586 | zlog_warn( | |
587 | "register_opaque_info_per_type: Unexpected LSA-type(%u)", | |
588 | new->data->type); | |
589 | free_opaque_info_per_type((void *)oipt); | |
19274fe8 | 590 | free_opaque_info_owner(oipt); |
d62a17ae | 591 | oipt = NULL; |
592 | goto out; /* This case may not exist. */ | |
593 | } | |
594 | ||
595 | oipt->lsa_type = new->data->type; | |
596 | oipt->opaque_type = GET_OPAQUE_TYPE(ntohl(new->data->id.s_addr)); | |
597 | oipt->status = PROC_NORMAL; | |
598 | oipt->t_opaque_lsa_self = NULL; | |
599 | oipt->functab = functab; | |
600 | functab->oipt = oipt; | |
601 | oipt->id_list = list_new(); | |
602 | oipt->id_list->del = free_opaque_info_per_id; | |
718e3744 | 603 | |
604 | out: | |
d62a17ae | 605 | return oipt; |
606 | } | |
607 | ||
19274fe8 OD |
608 | /* Remove "oipt" from its owner's self-originated LSA list. */ |
609 | static void free_opaque_info_owner(void *val) | |
610 | { | |
611 | struct opaque_info_per_type *oipt = (struct opaque_info_per_type *)val; | |
612 | ||
996c9314 LB |
613 | switch (oipt->lsa_type) { |
614 | case OSPF_OPAQUE_LINK_LSA: { | |
615 | struct ospf_interface *oi = | |
616 | (struct ospf_interface *)(oipt->owner); | |
617 | listnode_delete(oi->opaque_lsa_self, oipt); | |
618 | break; | |
619 | } | |
620 | case OSPF_OPAQUE_AREA_LSA: { | |
621 | struct ospf_area *area = (struct ospf_area *)(oipt->owner); | |
622 | listnode_delete(area->opaque_lsa_self, oipt); | |
623 | break; | |
624 | } | |
625 | case OSPF_OPAQUE_AS_LSA: { | |
626 | struct ospf *top = (struct ospf *)(oipt->owner); | |
627 | listnode_delete(top->opaque_lsa_self, oipt); | |
628 | break; | |
629 | } | |
630 | default: | |
631 | zlog_warn("free_opaque_info_owner: Unexpected LSA-type(%u)", | |
632 | oipt->lsa_type); | |
633 | break; /* This case may not exist. */ | |
634 | } | |
19274fe8 OD |
635 | } |
636 | ||
d62a17ae | 637 | static void free_opaque_info_per_type(void *val) |
638 | { | |
639 | struct opaque_info_per_type *oipt = (struct opaque_info_per_type *)val; | |
640 | struct opaque_info_per_id *oipi; | |
641 | struct ospf_lsa *lsa; | |
642 | struct listnode *node, *nnode; | |
643 | ||
644 | /* Control information per opaque-id may still exist. */ | |
645 | for (ALL_LIST_ELEMENTS(oipt->id_list, node, nnode, oipi)) { | |
646 | if ((lsa = oipi->lsa) == NULL) | |
647 | continue; | |
648 | if (IS_LSA_MAXAGE(lsa)) | |
649 | continue; | |
650 | ospf_opaque_lsa_flush_schedule(lsa); | |
651 | } | |
652 | ||
d62a17ae | 653 | OSPF_TIMER_OFF(oipt->t_opaque_lsa_self); |
affe9e99 | 654 | list_delete_and_null(&oipt->id_list); |
d62a17ae | 655 | XFREE(MTYPE_OPAQUE_INFO_PER_TYPE, oipt); |
656 | return; | |
718e3744 | 657 | } |
658 | ||
659 | static struct opaque_info_per_type * | |
d62a17ae | 660 | lookup_opaque_info_by_type(struct ospf_lsa *lsa) |
661 | { | |
662 | struct ospf *top; | |
663 | struct ospf_area *area; | |
664 | struct ospf_interface *oi; | |
665 | struct list *listtop = NULL; | |
666 | struct listnode *node, *nnode; | |
667 | struct opaque_info_per_type *oipt = NULL; | |
d7c0a89a | 668 | uint8_t key = GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)); |
d62a17ae | 669 | |
670 | switch (lsa->data->type) { | |
671 | case OSPF_OPAQUE_LINK_LSA: | |
672 | if ((oi = lsa->oi) != NULL) | |
673 | listtop = oi->opaque_lsa_self; | |
674 | else | |
675 | zlog_warn( | |
676 | "Type-9 Opaque-LSA: Reference to OI is missing?"); | |
677 | break; | |
678 | case OSPF_OPAQUE_AREA_LSA: | |
679 | if ((area = lsa->area) != NULL) | |
680 | listtop = area->opaque_lsa_self; | |
681 | else | |
682 | zlog_warn( | |
683 | "Type-10 Opaque-LSA: Reference to AREA is missing?"); | |
684 | break; | |
685 | case OSPF_OPAQUE_AS_LSA: | |
b5a8894d | 686 | top = ospf_lookup_by_vrf_id(lsa->vrf_id); |
d62a17ae | 687 | if ((area = lsa->area) != NULL && (top = area->ospf) == NULL) { |
688 | zlog_warn( | |
689 | "Type-11 Opaque-LSA: Reference to OSPF is missing?"); | |
690 | break; /* Unlikely to happen. */ | |
691 | } | |
692 | listtop = top->opaque_lsa_self; | |
693 | break; | |
694 | default: | |
695 | zlog_warn("lookup_opaque_info_by_type: Unexpected LSA-type(%u)", | |
696 | lsa->data->type); | |
697 | break; | |
698 | } | |
699 | ||
700 | if (listtop != NULL) | |
701 | for (ALL_LIST_ELEMENTS(listtop, node, nnode, oipt)) | |
702 | if (oipt->opaque_type == key) | |
703 | return oipt; | |
704 | ||
705 | return NULL; | |
718e3744 | 706 | } |
707 | ||
708 | static struct opaque_info_per_id * | |
d62a17ae | 709 | register_opaque_info_per_id(struct opaque_info_per_type *oipt, |
710 | struct ospf_lsa *new) | |
718e3744 | 711 | { |
d62a17ae | 712 | struct opaque_info_per_id *oipi; |
718e3744 | 713 | |
d62a17ae | 714 | if ((oipi = XCALLOC(MTYPE_OPAQUE_INFO_PER_ID, |
715 | sizeof(struct opaque_info_per_id))) | |
716 | == NULL) { | |
717 | zlog_warn("register_opaque_info_per_id: XMALLOC: %s", | |
718 | safe_strerror(errno)); | |
719 | goto out; | |
720 | } | |
721 | oipi->opaque_id = GET_OPAQUE_ID(ntohl(new->data->id.s_addr)); | |
722 | oipi->t_opaque_lsa_self = NULL; | |
723 | oipi->opqctl_type = oipt; | |
724 | oipi->lsa = ospf_lsa_lock(new); | |
718e3744 | 725 | |
d62a17ae | 726 | listnode_add(oipt->id_list, oipi); |
718e3744 | 727 | |
728 | out: | |
d62a17ae | 729 | return oipi; |
718e3744 | 730 | } |
731 | ||
d62a17ae | 732 | static void free_opaque_info_per_id(void *val) |
718e3744 | 733 | { |
d62a17ae | 734 | struct opaque_info_per_id *oipi = (struct opaque_info_per_id *)val; |
718e3744 | 735 | |
d62a17ae | 736 | OSPF_TIMER_OFF(oipi->t_opaque_lsa_self); |
737 | if (oipi->lsa != NULL) | |
738 | ospf_lsa_unlock(&oipi->lsa); | |
739 | XFREE(MTYPE_OPAQUE_INFO_PER_ID, oipi); | |
740 | return; | |
718e3744 | 741 | } |
742 | ||
743 | static struct opaque_info_per_id * | |
d62a17ae | 744 | lookup_opaque_info_by_id(struct opaque_info_per_type *oipt, |
745 | struct ospf_lsa *lsa) | |
718e3744 | 746 | { |
d62a17ae | 747 | struct listnode *node, *nnode; |
748 | struct opaque_info_per_id *oipi; | |
d7c0a89a | 749 | uint32_t key = GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr)); |
718e3744 | 750 | |
d62a17ae | 751 | for (ALL_LIST_ELEMENTS(oipt->id_list, node, nnode, oipi)) |
752 | if (oipi->opaque_id == key) | |
753 | return oipi; | |
718e3744 | 754 | |
d62a17ae | 755 | return NULL; |
718e3744 | 756 | } |
757 | ||
d62a17ae | 758 | static struct opaque_info_per_id *register_opaque_lsa(struct ospf_lsa *new) |
718e3744 | 759 | { |
d62a17ae | 760 | struct ospf_opaque_functab *functab; |
761 | struct opaque_info_per_type *oipt; | |
762 | struct opaque_info_per_id *oipi = NULL; | |
718e3744 | 763 | |
d62a17ae | 764 | if ((functab = ospf_opaque_functab_lookup(new)) == NULL) |
765 | goto out; | |
718e3744 | 766 | |
d62a17ae | 767 | if ((oipt = lookup_opaque_info_by_type(new)) == NULL |
768 | && (oipt = register_opaque_info_per_type(functab, new)) == NULL) | |
769 | goto out; | |
718e3744 | 770 | |
d62a17ae | 771 | if ((oipi = register_opaque_info_per_id(oipt, new)) == NULL) |
772 | goto out; | |
718e3744 | 773 | |
774 | out: | |
d62a17ae | 775 | return oipi; |
718e3744 | 776 | } |
777 | ||
778 | /*------------------------------------------------------------------------* | |
779 | * Followings are (vty) configuration functions for Opaque-LSAs handling. | |
780 | *------------------------------------------------------------------------*/ | |
781 | ||
782 | DEFUN (capability_opaque, | |
783 | capability_opaque_cmd, | |
784 | "capability opaque", | |
785 | "Enable specific OSPF feature\n" | |
786 | "Opaque LSA\n") | |
787 | { | |
a3d826f0 | 788 | VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf); |
718e3744 | 789 | |
d62a17ae | 790 | /* Turn on the "master switch" of opaque-lsa capability. */ |
791 | if (!CHECK_FLAG(ospf->config, OSPF_OPAQUE_CAPABLE)) { | |
792 | if (IS_DEBUG_OSPF_EVENT) | |
793 | zlog_debug("Opaque capability: OFF -> ON"); | |
718e3744 | 794 | |
d62a17ae | 795 | SET_FLAG(ospf->config, OSPF_OPAQUE_CAPABLE); |
796 | ospf_renegotiate_optional_capabilities(ospf); | |
797 | } | |
798 | return CMD_SUCCESS; | |
718e3744 | 799 | } |
800 | ||
692b4c65 QY |
801 | DEFUN (ospf_opaque, |
802 | ospf_opaque_cmd, | |
803 | "ospf opaque-lsa", | |
804 | "OSPF specific commands\n" | |
805 | "Enable the Opaque-LSA capability (rfc2370)\n") | |
806 | { | |
d62a17ae | 807 | return capability_opaque(self, vty, argc, argv); |
692b4c65 | 808 | } |
718e3744 | 809 | |
810 | DEFUN (no_capability_opaque, | |
811 | no_capability_opaque_cmd, | |
812 | "no capability opaque", | |
813 | NO_STR | |
814 | "Enable specific OSPF feature\n" | |
815 | "Opaque LSA\n") | |
816 | { | |
a3d826f0 | 817 | VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf); |
718e3744 | 818 | |
d62a17ae | 819 | /* Turn off the "master switch" of opaque-lsa capability. */ |
820 | if (CHECK_FLAG(ospf->config, OSPF_OPAQUE_CAPABLE)) { | |
821 | if (IS_DEBUG_OSPF_EVENT) | |
822 | zlog_debug("Opaque capability: ON -> OFF"); | |
718e3744 | 823 | |
d62a17ae | 824 | UNSET_FLAG(ospf->config, OSPF_OPAQUE_CAPABLE); |
825 | ospf_renegotiate_optional_capabilities(ospf); | |
826 | } | |
827 | return CMD_SUCCESS; | |
718e3744 | 828 | } |
829 | ||
692b4c65 QY |
830 | DEFUN (no_ospf_opaque, |
831 | no_ospf_opaque_cmd, | |
832 | "no ospf opaque-lsa", | |
833 | NO_STR | |
834 | "OSPF specific commands\n" | |
835 | "Enable the Opaque-LSA capability (rfc2370)\n") | |
836 | { | |
d62a17ae | 837 | return no_capability_opaque(self, vty, argc, argv); |
692b4c65 | 838 | } |
718e3744 | 839 | |
d62a17ae | 840 | static void ospf_opaque_register_vty(void) |
718e3744 | 841 | { |
d62a17ae | 842 | install_element(OSPF_NODE, &capability_opaque_cmd); |
843 | install_element(OSPF_NODE, &no_capability_opaque_cmd); | |
844 | install_element(OSPF_NODE, &ospf_opaque_cmd); | |
845 | install_element(OSPF_NODE, &no_ospf_opaque_cmd); | |
846 | return; | |
718e3744 | 847 | } |
848 | ||
849 | /*------------------------------------------------------------------------* | |
850 | * Followings are collection of user-registered function callers. | |
851 | *------------------------------------------------------------------------*/ | |
852 | ||
d62a17ae | 853 | static int opaque_lsa_new_if_callback(struct list *funclist, |
854 | struct interface *ifp) | |
718e3744 | 855 | { |
d62a17ae | 856 | struct listnode *node, *nnode; |
857 | struct ospf_opaque_functab *functab; | |
858 | int rc = -1; | |
718e3744 | 859 | |
d62a17ae | 860 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
861 | if (functab->new_if_hook != NULL) | |
862 | if ((*functab->new_if_hook)(ifp) != 0) | |
863 | goto out; | |
864 | rc = 0; | |
718e3744 | 865 | out: |
d62a17ae | 866 | return rc; |
718e3744 | 867 | } |
868 | ||
d62a17ae | 869 | static int opaque_lsa_del_if_callback(struct list *funclist, |
870 | struct interface *ifp) | |
718e3744 | 871 | { |
d62a17ae | 872 | struct listnode *node, *nnode; |
873 | struct ospf_opaque_functab *functab; | |
874 | int rc = -1; | |
718e3744 | 875 | |
d62a17ae | 876 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
877 | if (functab->del_if_hook != NULL) | |
878 | if ((*functab->del_if_hook)(ifp) != 0) | |
879 | goto out; | |
880 | rc = 0; | |
718e3744 | 881 | out: |
d62a17ae | 882 | return rc; |
718e3744 | 883 | } |
884 | ||
d62a17ae | 885 | static void opaque_lsa_ism_change_callback(struct list *funclist, |
886 | struct ospf_interface *oi, | |
887 | int old_status) | |
718e3744 | 888 | { |
d62a17ae | 889 | struct listnode *node, *nnode; |
890 | struct ospf_opaque_functab *functab; | |
718e3744 | 891 | |
d62a17ae | 892 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
893 | if (functab->ism_change_hook != NULL) | |
894 | (*functab->ism_change_hook)(oi, old_status); | |
87d6f87a | 895 | |
d62a17ae | 896 | return; |
718e3744 | 897 | } |
898 | ||
d62a17ae | 899 | static void opaque_lsa_nsm_change_callback(struct list *funclist, |
900 | struct ospf_neighbor *nbr, | |
901 | int old_status) | |
718e3744 | 902 | { |
d62a17ae | 903 | struct listnode *node, *nnode; |
904 | struct ospf_opaque_functab *functab; | |
718e3744 | 905 | |
d62a17ae | 906 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
907 | if (functab->nsm_change_hook != NULL) | |
908 | (*functab->nsm_change_hook)(nbr, old_status); | |
909 | return; | |
718e3744 | 910 | } |
911 | ||
d62a17ae | 912 | static void opaque_lsa_config_write_router_callback(struct list *funclist, |
913 | struct vty *vty) | |
718e3744 | 914 | { |
d62a17ae | 915 | struct listnode *node, *nnode; |
916 | struct ospf_opaque_functab *functab; | |
718e3744 | 917 | |
d62a17ae | 918 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
919 | if (functab->config_write_router != NULL) | |
920 | (*functab->config_write_router)(vty); | |
921 | return; | |
718e3744 | 922 | } |
923 | ||
d62a17ae | 924 | static void opaque_lsa_config_write_if_callback(struct list *funclist, |
925 | struct vty *vty, | |
926 | struct interface *ifp) | |
718e3744 | 927 | { |
d62a17ae | 928 | struct listnode *node, *nnode; |
929 | struct ospf_opaque_functab *functab; | |
718e3744 | 930 | |
d62a17ae | 931 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
932 | if (functab->config_write_if != NULL) | |
933 | (*functab->config_write_if)(vty, ifp); | |
934 | return; | |
718e3744 | 935 | } |
936 | ||
d62a17ae | 937 | static void opaque_lsa_config_write_debug_callback(struct list *funclist, |
938 | struct vty *vty) | |
718e3744 | 939 | { |
d62a17ae | 940 | struct listnode *node, *nnode; |
941 | struct ospf_opaque_functab *functab; | |
718e3744 | 942 | |
d62a17ae | 943 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
944 | if (functab->config_write_debug != NULL) | |
945 | (*functab->config_write_debug)(vty); | |
946 | return; | |
718e3744 | 947 | } |
948 | ||
d62a17ae | 949 | static int opaque_lsa_originate_callback(struct list *funclist, |
950 | void *lsa_type_dependent) | |
718e3744 | 951 | { |
d62a17ae | 952 | struct listnode *node, *nnode; |
953 | struct ospf_opaque_functab *functab; | |
954 | int rc = -1; | |
718e3744 | 955 | |
d62a17ae | 956 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
957 | if (functab->lsa_originator != NULL) | |
958 | if ((*functab->lsa_originator)(lsa_type_dependent) != 0) | |
959 | goto out; | |
960 | rc = 0; | |
718e3744 | 961 | out: |
d62a17ae | 962 | return rc; |
718e3744 | 963 | } |
964 | ||
d62a17ae | 965 | static int new_lsa_callback(struct list *funclist, struct ospf_lsa *lsa) |
718e3744 | 966 | { |
d62a17ae | 967 | struct listnode *node, *nnode; |
968 | struct ospf_opaque_functab *functab; | |
969 | int rc = -1; | |
718e3744 | 970 | |
d62a17ae | 971 | /* This function handles ALL types of LSAs, not only opaque ones. */ |
972 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) | |
973 | if (functab->new_lsa_hook != NULL) | |
974 | if ((*functab->new_lsa_hook)(lsa) != 0) | |
975 | goto out; | |
976 | rc = 0; | |
718e3744 | 977 | out: |
d62a17ae | 978 | return rc; |
718e3744 | 979 | } |
980 | ||
d62a17ae | 981 | static int del_lsa_callback(struct list *funclist, struct ospf_lsa *lsa) |
718e3744 | 982 | { |
d62a17ae | 983 | struct listnode *node, *nnode; |
984 | struct ospf_opaque_functab *functab; | |
985 | int rc = -1; | |
718e3744 | 986 | |
d62a17ae | 987 | /* This function handles ALL types of LSAs, not only opaque ones. */ |
988 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) | |
989 | if (functab->del_lsa_hook != NULL) | |
990 | if ((*functab->del_lsa_hook)(lsa) != 0) | |
991 | goto out; | |
992 | rc = 0; | |
718e3744 | 993 | out: |
d62a17ae | 994 | return rc; |
718e3744 | 995 | } |
996 | ||
997 | /*------------------------------------------------------------------------* | |
998 | * Followings are glue functions to call Opaque-LSA specific processing. | |
999 | *------------------------------------------------------------------------*/ | |
1000 | ||
d62a17ae | 1001 | int ospf_opaque_new_if(struct interface *ifp) |
718e3744 | 1002 | { |
d62a17ae | 1003 | struct list *funclist; |
1004 | int rc = -1; | |
718e3744 | 1005 | |
d62a17ae | 1006 | funclist = ospf_opaque_wildcard_funclist; |
1007 | if (opaque_lsa_new_if_callback(funclist, ifp) != 0) | |
1008 | goto out; | |
09e4efdc | 1009 | |
d62a17ae | 1010 | funclist = ospf_opaque_type9_funclist; |
1011 | if (opaque_lsa_new_if_callback(funclist, ifp) != 0) | |
1012 | goto out; | |
718e3744 | 1013 | |
d62a17ae | 1014 | funclist = ospf_opaque_type10_funclist; |
1015 | if (opaque_lsa_new_if_callback(funclist, ifp) != 0) | |
1016 | goto out; | |
718e3744 | 1017 | |
d62a17ae | 1018 | funclist = ospf_opaque_type11_funclist; |
1019 | if (opaque_lsa_new_if_callback(funclist, ifp) != 0) | |
1020 | goto out; | |
718e3744 | 1021 | |
d62a17ae | 1022 | rc = 0; |
718e3744 | 1023 | out: |
d62a17ae | 1024 | return rc; |
718e3744 | 1025 | } |
1026 | ||
d62a17ae | 1027 | int ospf_opaque_del_if(struct interface *ifp) |
718e3744 | 1028 | { |
d62a17ae | 1029 | struct list *funclist; |
1030 | int rc = -1; | |
718e3744 | 1031 | |
d62a17ae | 1032 | funclist = ospf_opaque_wildcard_funclist; |
1033 | if (opaque_lsa_del_if_callback(funclist, ifp) != 0) | |
1034 | goto out; | |
09e4efdc | 1035 | |
d62a17ae | 1036 | funclist = ospf_opaque_type9_funclist; |
1037 | if (opaque_lsa_del_if_callback(funclist, ifp) != 0) | |
1038 | goto out; | |
718e3744 | 1039 | |
d62a17ae | 1040 | funclist = ospf_opaque_type10_funclist; |
1041 | if (opaque_lsa_del_if_callback(funclist, ifp) != 0) | |
1042 | goto out; | |
718e3744 | 1043 | |
d62a17ae | 1044 | funclist = ospf_opaque_type11_funclist; |
1045 | if (opaque_lsa_del_if_callback(funclist, ifp) != 0) | |
1046 | goto out; | |
718e3744 | 1047 | |
d62a17ae | 1048 | rc = 0; |
718e3744 | 1049 | out: |
d62a17ae | 1050 | return rc; |
718e3744 | 1051 | } |
1052 | ||
d62a17ae | 1053 | void ospf_opaque_ism_change(struct ospf_interface *oi, int old_status) |
718e3744 | 1054 | { |
d62a17ae | 1055 | struct list *funclist; |
718e3744 | 1056 | |
d62a17ae | 1057 | funclist = ospf_opaque_wildcard_funclist; |
1058 | opaque_lsa_ism_change_callback(funclist, oi, old_status); | |
09e4efdc | 1059 | |
d62a17ae | 1060 | funclist = ospf_opaque_type9_funclist; |
1061 | opaque_lsa_ism_change_callback(funclist, oi, old_status); | |
718e3744 | 1062 | |
d62a17ae | 1063 | funclist = ospf_opaque_type10_funclist; |
1064 | opaque_lsa_ism_change_callback(funclist, oi, old_status); | |
718e3744 | 1065 | |
d62a17ae | 1066 | funclist = ospf_opaque_type11_funclist; |
1067 | opaque_lsa_ism_change_callback(funclist, oi, old_status); | |
718e3744 | 1068 | |
d62a17ae | 1069 | return; |
718e3744 | 1070 | } |
1071 | ||
d62a17ae | 1072 | void ospf_opaque_nsm_change(struct ospf_neighbor *nbr, int old_state) |
718e3744 | 1073 | { |
d62a17ae | 1074 | struct ospf *top; |
1075 | struct list *funclist; | |
718e3744 | 1076 | |
d62a17ae | 1077 | if ((top = oi_to_top(nbr->oi)) == NULL) |
1078 | goto out; | |
718e3744 | 1079 | |
d62a17ae | 1080 | if (old_state != NSM_Full && nbr->state == NSM_Full) { |
1081 | if (CHECK_FLAG(nbr->options, OSPF_OPTION_O)) { | |
1082 | if (!CHECK_FLAG(top->opaque, | |
1083 | OPAQUE_OPERATION_READY_BIT)) { | |
1084 | if (IS_DEBUG_OSPF_EVENT) | |
1085 | zlog_debug( | |
1086 | "Opaque-LSA: Now get operational!"); | |
718e3744 | 1087 | |
d62a17ae | 1088 | SET_FLAG(top->opaque, |
1089 | OPAQUE_OPERATION_READY_BIT); | |
1090 | } | |
718e3744 | 1091 | |
d62a17ae | 1092 | ospf_opaque_lsa_originate_schedule(nbr->oi, NULL); |
1093 | } | |
1094 | } else if (old_state == NSM_Full && nbr->state != NSM_Full) { | |
718e3744 | 1095 | #ifdef NOTYET |
d62a17ae | 1096 | /* |
1097 | * If no more opaque-capable full-state neighbor remains in the | |
1098 | * flooding scope which corresponds to Opaque-LSA type, periodic | |
1099 | * LS flooding should be stopped. | |
1100 | */ | |
718e3744 | 1101 | #endif /* NOTYET */ |
d62a17ae | 1102 | ; |
1103 | } | |
718e3744 | 1104 | |
d62a17ae | 1105 | funclist = ospf_opaque_wildcard_funclist; |
1106 | opaque_lsa_nsm_change_callback(funclist, nbr, old_state); | |
09e4efdc | 1107 | |
d62a17ae | 1108 | funclist = ospf_opaque_type9_funclist; |
1109 | opaque_lsa_nsm_change_callback(funclist, nbr, old_state); | |
718e3744 | 1110 | |
d62a17ae | 1111 | funclist = ospf_opaque_type10_funclist; |
1112 | opaque_lsa_nsm_change_callback(funclist, nbr, old_state); | |
718e3744 | 1113 | |
d62a17ae | 1114 | funclist = ospf_opaque_type11_funclist; |
1115 | opaque_lsa_nsm_change_callback(funclist, nbr, old_state); | |
718e3744 | 1116 | |
1117 | out: | |
d62a17ae | 1118 | return; |
718e3744 | 1119 | } |
1120 | ||
d62a17ae | 1121 | void ospf_opaque_config_write_router(struct vty *vty, struct ospf *ospf) |
718e3744 | 1122 | { |
d62a17ae | 1123 | struct list *funclist; |
718e3744 | 1124 | |
d62a17ae | 1125 | if (CHECK_FLAG(ospf->config, OSPF_OPAQUE_CAPABLE)) |
1126 | vty_out(vty, " capability opaque\n"); | |
718e3744 | 1127 | |
d62a17ae | 1128 | funclist = ospf_opaque_wildcard_funclist; |
1129 | opaque_lsa_config_write_router_callback(funclist, vty); | |
09e4efdc | 1130 | |
d62a17ae | 1131 | funclist = ospf_opaque_type9_funclist; |
1132 | opaque_lsa_config_write_router_callback(funclist, vty); | |
718e3744 | 1133 | |
d62a17ae | 1134 | funclist = ospf_opaque_type10_funclist; |
1135 | opaque_lsa_config_write_router_callback(funclist, vty); | |
718e3744 | 1136 | |
d62a17ae | 1137 | funclist = ospf_opaque_type11_funclist; |
1138 | opaque_lsa_config_write_router_callback(funclist, vty); | |
718e3744 | 1139 | |
d62a17ae | 1140 | return; |
718e3744 | 1141 | } |
1142 | ||
d62a17ae | 1143 | void ospf_opaque_config_write_if(struct vty *vty, struct interface *ifp) |
718e3744 | 1144 | { |
d62a17ae | 1145 | struct list *funclist; |
718e3744 | 1146 | |
d62a17ae | 1147 | funclist = ospf_opaque_wildcard_funclist; |
1148 | opaque_lsa_config_write_if_callback(funclist, vty, ifp); | |
09e4efdc | 1149 | |
d62a17ae | 1150 | funclist = ospf_opaque_type9_funclist; |
1151 | opaque_lsa_config_write_if_callback(funclist, vty, ifp); | |
718e3744 | 1152 | |
d62a17ae | 1153 | funclist = ospf_opaque_type10_funclist; |
1154 | opaque_lsa_config_write_if_callback(funclist, vty, ifp); | |
718e3744 | 1155 | |
d62a17ae | 1156 | funclist = ospf_opaque_type11_funclist; |
1157 | opaque_lsa_config_write_if_callback(funclist, vty, ifp); | |
718e3744 | 1158 | |
d62a17ae | 1159 | return; |
718e3744 | 1160 | } |
1161 | ||
d62a17ae | 1162 | void ospf_opaque_config_write_debug(struct vty *vty) |
718e3744 | 1163 | { |
d62a17ae | 1164 | struct list *funclist; |
718e3744 | 1165 | |
d62a17ae | 1166 | funclist = ospf_opaque_wildcard_funclist; |
1167 | opaque_lsa_config_write_debug_callback(funclist, vty); | |
09e4efdc | 1168 | |
d62a17ae | 1169 | funclist = ospf_opaque_type9_funclist; |
1170 | opaque_lsa_config_write_debug_callback(funclist, vty); | |
718e3744 | 1171 | |
d62a17ae | 1172 | funclist = ospf_opaque_type10_funclist; |
1173 | opaque_lsa_config_write_debug_callback(funclist, vty); | |
718e3744 | 1174 | |
d62a17ae | 1175 | funclist = ospf_opaque_type11_funclist; |
1176 | opaque_lsa_config_write_debug_callback(funclist, vty); | |
718e3744 | 1177 | |
d62a17ae | 1178 | return; |
718e3744 | 1179 | } |
1180 | ||
d62a17ae | 1181 | void show_opaque_info_detail(struct vty *vty, struct ospf_lsa *lsa) |
718e3744 | 1182 | { |
d62a17ae | 1183 | struct lsa_header *lsah = (struct lsa_header *)lsa->data; |
d7c0a89a QY |
1184 | uint32_t lsid = ntohl(lsah->id.s_addr); |
1185 | uint8_t opaque_type = GET_OPAQUE_TYPE(lsid); | |
1186 | uint32_t opaque_id = GET_OPAQUE_ID(lsid); | |
d62a17ae | 1187 | struct ospf_opaque_functab *functab; |
718e3744 | 1188 | |
d62a17ae | 1189 | /* Switch output functionality by vty address. */ |
1190 | if (vty != NULL) { | |
1191 | vty_out(vty, " Opaque-Type %u (%s)\n", opaque_type, | |
1192 | ospf_opaque_type_name(opaque_type)); | |
1193 | vty_out(vty, " Opaque-ID 0x%x\n", opaque_id); | |
718e3744 | 1194 | |
d62a17ae | 1195 | vty_out(vty, " Opaque-Info: %u octets of data%s\n", |
1196 | ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE, | |
1197 | VALID_OPAQUE_INFO_LEN(lsah) ? "" : "(Invalid length?)"); | |
1198 | } else { | |
1199 | zlog_debug(" Opaque-Type %u (%s)", opaque_type, | |
1200 | ospf_opaque_type_name(opaque_type)); | |
1201 | zlog_debug(" Opaque-ID 0x%x", opaque_id); | |
718e3744 | 1202 | |
d62a17ae | 1203 | zlog_debug(" Opaque-Info: %u octets of data%s", |
1204 | ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE, | |
1205 | VALID_OPAQUE_INFO_LEN(lsah) ? "" | |
1206 | : "(Invalid length?)"); | |
1207 | } | |
718e3744 | 1208 | |
d62a17ae | 1209 | /* Call individual output functions. */ |
1210 | if ((functab = ospf_opaque_functab_lookup(lsa)) != NULL) | |
1211 | if (functab->show_opaque_info != NULL) | |
1212 | (*functab->show_opaque_info)(vty, lsa); | |
718e3744 | 1213 | |
d62a17ae | 1214 | return; |
718e3744 | 1215 | } |
1216 | ||
d7c0a89a | 1217 | void ospf_opaque_lsa_dump(struct stream *s, uint16_t length) |
718e3744 | 1218 | { |
d62a17ae | 1219 | struct ospf_lsa lsa; |
718e3744 | 1220 | |
2d34fb80 | 1221 | lsa.data = (struct lsa_header *)stream_pnt(s); |
d62a17ae | 1222 | show_opaque_info_detail(NULL, &lsa); |
1223 | return; | |
718e3744 | 1224 | } |
1225 | ||
d62a17ae | 1226 | static int ospf_opaque_lsa_install_hook(struct ospf_lsa *lsa) |
718e3744 | 1227 | { |
d62a17ae | 1228 | struct list *funclist; |
1229 | int rc = -1; | |
718e3744 | 1230 | |
d62a17ae | 1231 | /* |
1232 | * Some Opaque-LSA user may want to monitor every LSA installation | |
1233 | * into the LSDB, regardless with target LSA type. | |
1234 | */ | |
1235 | funclist = ospf_opaque_wildcard_funclist; | |
1236 | if (new_lsa_callback(funclist, lsa) != 0) | |
1237 | goto out; | |
09e4efdc | 1238 | |
d62a17ae | 1239 | funclist = ospf_opaque_type9_funclist; |
1240 | if (new_lsa_callback(funclist, lsa) != 0) | |
1241 | goto out; | |
718e3744 | 1242 | |
d62a17ae | 1243 | funclist = ospf_opaque_type10_funclist; |
1244 | if (new_lsa_callback(funclist, lsa) != 0) | |
1245 | goto out; | |
718e3744 | 1246 | |
d62a17ae | 1247 | funclist = ospf_opaque_type11_funclist; |
1248 | if (new_lsa_callback(funclist, lsa) != 0) | |
1249 | goto out; | |
718e3744 | 1250 | |
d62a17ae | 1251 | rc = 0; |
718e3744 | 1252 | out: |
d62a17ae | 1253 | return rc; |
718e3744 | 1254 | } |
1255 | ||
d62a17ae | 1256 | static int ospf_opaque_lsa_delete_hook(struct ospf_lsa *lsa) |
718e3744 | 1257 | { |
d62a17ae | 1258 | struct list *funclist; |
1259 | int rc = -1; | |
718e3744 | 1260 | |
d62a17ae | 1261 | /* |
1262 | * Some Opaque-LSA user may want to monitor every LSA deletion | |
1263 | * from the LSDB, regardless with target LSA type. | |
1264 | */ | |
1265 | funclist = ospf_opaque_wildcard_funclist; | |
1266 | if (del_lsa_callback(funclist, lsa) != 0) | |
1267 | goto out; | |
09e4efdc | 1268 | |
d62a17ae | 1269 | funclist = ospf_opaque_type9_funclist; |
1270 | if (del_lsa_callback(funclist, lsa) != 0) | |
1271 | goto out; | |
718e3744 | 1272 | |
d62a17ae | 1273 | funclist = ospf_opaque_type10_funclist; |
1274 | if (del_lsa_callback(funclist, lsa) != 0) | |
1275 | goto out; | |
718e3744 | 1276 | |
d62a17ae | 1277 | funclist = ospf_opaque_type11_funclist; |
1278 | if (del_lsa_callback(funclist, lsa) != 0) | |
1279 | goto out; | |
718e3744 | 1280 | |
d62a17ae | 1281 | rc = 0; |
718e3744 | 1282 | out: |
d62a17ae | 1283 | return rc; |
718e3744 | 1284 | } |
1285 | ||
1286 | /*------------------------------------------------------------------------* | |
1287 | * Followings are Opaque-LSA origination/refresh management functions. | |
1288 | *------------------------------------------------------------------------*/ | |
1289 | ||
d62a17ae | 1290 | static int ospf_opaque_type9_lsa_originate(struct thread *t); |
1291 | static int ospf_opaque_type10_lsa_originate(struct thread *t); | |
1292 | static int ospf_opaque_type11_lsa_originate(struct thread *t); | |
1293 | static void ospf_opaque_lsa_reoriginate_resume(struct list *listtop, void *arg); | |
1294 | ||
1295 | void ospf_opaque_lsa_originate_schedule(struct ospf_interface *oi, int *delay0) | |
1296 | { | |
1297 | struct ospf *top; | |
1298 | struct ospf_area *area; | |
1299 | struct listnode *node, *nnode; | |
1300 | struct opaque_info_per_type *oipt; | |
1301 | int delay = 0; | |
1302 | ||
1303 | if ((top = oi_to_top(oi)) == NULL || (area = oi->area) == NULL) { | |
1304 | zlog_warn( | |
1305 | "ospf_opaque_lsa_originate_schedule: Invalid argument?"); | |
1306 | goto out; | |
1307 | } | |
1308 | ||
1309 | /* It may not a right time to schedule origination now. */ | |
1310 | if (!CHECK_FLAG(top->opaque, OPAQUE_OPERATION_READY_BIT)) { | |
1311 | if (IS_DEBUG_OSPF_EVENT) | |
1312 | zlog_debug( | |
1313 | "ospf_opaque_lsa_originate_schedule: Not operational."); | |
1314 | goto out; /* This is not an error. */ | |
1315 | } | |
1316 | ||
1317 | if (delay0 != NULL) | |
1318 | delay = *delay0; | |
1319 | ||
1320 | /* | |
1321 | * There might be some entries that have been waiting for triggering | |
1322 | * of per opaque-type re-origination get resumed. | |
1323 | */ | |
1324 | ospf_opaque_lsa_reoriginate_resume(oi->opaque_lsa_self, (void *)oi); | |
1325 | ospf_opaque_lsa_reoriginate_resume(area->opaque_lsa_self, (void *)area); | |
1326 | ospf_opaque_lsa_reoriginate_resume(top->opaque_lsa_self, (void *)top); | |
1327 | ||
1328 | /* | |
1329 | * Now, schedule origination of all Opaque-LSAs per opaque-type. | |
1330 | */ | |
1331 | if (!list_isempty(ospf_opaque_type9_funclist) | |
1332 | && list_isempty(oi->opaque_lsa_self) | |
1333 | && oi->t_opaque_lsa_self == NULL) { | |
1334 | if (IS_DEBUG_OSPF_EVENT) | |
1335 | zlog_debug( | |
1336 | "Schedule Type-9 Opaque-LSA origination in %d ms later.", | |
1337 | delay); | |
1338 | oi->t_opaque_lsa_self = NULL; | |
1339 | thread_add_timer_msec(master, ospf_opaque_type9_lsa_originate, | |
1340 | oi, delay, &oi->t_opaque_lsa_self); | |
1341 | delay += top->min_ls_interval; | |
1342 | } | |
1343 | ||
1344 | if (!list_isempty(ospf_opaque_type10_funclist) | |
1345 | && list_isempty(area->opaque_lsa_self) | |
1346 | && area->t_opaque_lsa_self == NULL) { | |
1347 | /* | |
1348 | * One AREA may contain multiple OIs, but above 2nd and 3rd | |
1349 | * conditions prevent from scheduling the originate function | |
1350 | * again and again. | |
1351 | */ | |
1352 | if (IS_DEBUG_OSPF_EVENT) | |
1353 | zlog_debug( | |
1354 | "Schedule Type-10 Opaque-LSA origination in %d ms later.", | |
1355 | delay); | |
1356 | area->t_opaque_lsa_self = NULL; | |
1357 | thread_add_timer_msec(master, ospf_opaque_type10_lsa_originate, | |
1358 | area, delay, &area->t_opaque_lsa_self); | |
1359 | delay += top->min_ls_interval; | |
1360 | } | |
1361 | ||
1362 | if (!list_isempty(ospf_opaque_type11_funclist) | |
1363 | && list_isempty(top->opaque_lsa_self) | |
1364 | && top->t_opaque_lsa_self == NULL) { | |
1365 | /* | |
1366 | * One OSPF may contain multiple AREAs, but above 2nd and 3rd | |
1367 | * conditions prevent from scheduling the originate function | |
1368 | * again and again. | |
1369 | */ | |
1370 | if (IS_DEBUG_OSPF_EVENT) | |
1371 | zlog_debug( | |
1372 | "Schedule Type-11 Opaque-LSA origination in %d ms later.", | |
1373 | delay); | |
1374 | top->t_opaque_lsa_self = NULL; | |
1375 | thread_add_timer_msec(master, ospf_opaque_type11_lsa_originate, | |
1376 | top, delay, &top->t_opaque_lsa_self); | |
1377 | delay += top->min_ls_interval; | |
1378 | } | |
1379 | ||
1380 | /* | |
1381 | * Following section treats a special situation that this node's | |
1382 | * opaque capability has changed as "ON -> OFF -> ON". | |
1383 | */ | |
1384 | if (!list_isempty(ospf_opaque_type9_funclist) | |
1385 | && !list_isempty(oi->opaque_lsa_self)) { | |
1386 | for (ALL_LIST_ELEMENTS(oi->opaque_lsa_self, node, nnode, | |
1387 | oipt)) { | |
1388 | /* | |
1389 | * removed the test for | |
1390 | * (! list_isempty (oipt->id_list)) * Handler is | |
1391 | * already active. * | |
1392 | * because opaque cababilities ON -> OFF -> ON result in | |
1393 | * list_isempty (oipt->id_list) | |
1394 | * not being empty. | |
1395 | */ | |
996c9314 LB |
1396 | if (oipt->t_opaque_lsa_self |
1397 | != NULL /* Waiting for a thread call. */ | |
1398 | || oipt->status == PROC_SUSPEND) /* Cannot | |
1399 | originate | |
1400 | now. */ | |
d62a17ae | 1401 | continue; |
1402 | ||
1403 | ospf_opaque_lsa_reoriginate_schedule( | |
1404 | (void *)oi, OSPF_OPAQUE_LINK_LSA, | |
1405 | oipt->opaque_type); | |
1406 | } | |
1407 | } | |
1408 | ||
1409 | if (!list_isempty(ospf_opaque_type10_funclist) | |
1410 | && !list_isempty(area->opaque_lsa_self)) { | |
1411 | for (ALL_LIST_ELEMENTS(area->opaque_lsa_self, node, nnode, | |
1412 | oipt)) { | |
1413 | /* | |
1414 | * removed the test for | |
1415 | * (! list_isempty (oipt->id_list)) * Handler is | |
1416 | * already active. * | |
1417 | * because opaque cababilities ON -> OFF -> ON result in | |
1418 | * list_isempty (oipt->id_list) | |
1419 | * not being empty. | |
1420 | */ | |
996c9314 LB |
1421 | if (oipt->t_opaque_lsa_self |
1422 | != NULL /* Waiting for a thread call. */ | |
1423 | || oipt->status == PROC_SUSPEND) /* Cannot | |
1424 | originate | |
1425 | now. */ | |
d62a17ae | 1426 | continue; |
1427 | ||
1428 | ospf_opaque_lsa_reoriginate_schedule( | |
1429 | (void *)area, OSPF_OPAQUE_AREA_LSA, | |
1430 | oipt->opaque_type); | |
1431 | } | |
1432 | } | |
1433 | ||
1434 | if (!list_isempty(ospf_opaque_type11_funclist) | |
1435 | && !list_isempty(top->opaque_lsa_self)) { | |
1436 | for (ALL_LIST_ELEMENTS(top->opaque_lsa_self, node, nnode, | |
1437 | oipt)) { | |
1438 | /* | |
1439 | * removed the test for | |
1440 | * (! list_isempty (oipt->id_list)) * Handler is | |
1441 | * already active. * | |
1442 | * because opaque cababilities ON -> OFF -> ON result in | |
1443 | * list_isempty (oipt->id_list) | |
1444 | * not being empty. | |
1445 | */ | |
996c9314 LB |
1446 | if (oipt->t_opaque_lsa_self |
1447 | != NULL /* Waiting for a thread call. */ | |
1448 | || oipt->status == PROC_SUSPEND) /* Cannot | |
1449 | originate | |
1450 | now. */ | |
d62a17ae | 1451 | continue; |
1452 | ||
1453 | ospf_opaque_lsa_reoriginate_schedule((void *)top, | |
1454 | OSPF_OPAQUE_AS_LSA, | |
1455 | oipt->opaque_type); | |
1456 | } | |
1457 | } | |
1458 | ||
1459 | if (delay0 != NULL) | |
1460 | *delay0 = delay; | |
718e3744 | 1461 | |
1462 | out: | |
d62a17ae | 1463 | return; |
718e3744 | 1464 | } |
1465 | ||
d62a17ae | 1466 | static int ospf_opaque_type9_lsa_originate(struct thread *t) |
718e3744 | 1467 | { |
d62a17ae | 1468 | struct ospf_interface *oi; |
1469 | int rc; | |
718e3744 | 1470 | |
d62a17ae | 1471 | oi = THREAD_ARG(t); |
1472 | oi->t_opaque_lsa_self = NULL; | |
718e3744 | 1473 | |
d62a17ae | 1474 | if (IS_DEBUG_OSPF_EVENT) |
1475 | zlog_debug("Timer[Type9-LSA]: Originate Opaque-LSAs for OI %s", | |
1476 | IF_NAME(oi)); | |
718e3744 | 1477 | |
d62a17ae | 1478 | rc = opaque_lsa_originate_callback(ospf_opaque_type9_funclist, oi); |
718e3744 | 1479 | |
d62a17ae | 1480 | return rc; |
718e3744 | 1481 | } |
1482 | ||
d62a17ae | 1483 | static int ospf_opaque_type10_lsa_originate(struct thread *t) |
718e3744 | 1484 | { |
d62a17ae | 1485 | struct ospf_area *area; |
1486 | int rc; | |
718e3744 | 1487 | |
d62a17ae | 1488 | area = THREAD_ARG(t); |
1489 | area->t_opaque_lsa_self = NULL; | |
718e3744 | 1490 | |
d62a17ae | 1491 | if (IS_DEBUG_OSPF_EVENT) |
1492 | zlog_debug( | |
1493 | "Timer[Type10-LSA]: Originate Opaque-LSAs for Area %s", | |
1494 | inet_ntoa(area->area_id)); | |
718e3744 | 1495 | |
d62a17ae | 1496 | rc = opaque_lsa_originate_callback(ospf_opaque_type10_funclist, area); |
718e3744 | 1497 | |
d62a17ae | 1498 | return rc; |
718e3744 | 1499 | } |
1500 | ||
d62a17ae | 1501 | static int ospf_opaque_type11_lsa_originate(struct thread *t) |
718e3744 | 1502 | { |
d62a17ae | 1503 | struct ospf *top; |
1504 | int rc; | |
718e3744 | 1505 | |
d62a17ae | 1506 | top = THREAD_ARG(t); |
1507 | top->t_opaque_lsa_self = NULL; | |
718e3744 | 1508 | |
d62a17ae | 1509 | if (IS_DEBUG_OSPF_EVENT) |
1510 | zlog_debug( | |
1511 | "Timer[Type11-LSA]: Originate AS-External Opaque-LSAs"); | |
718e3744 | 1512 | |
d62a17ae | 1513 | rc = opaque_lsa_originate_callback(ospf_opaque_type11_funclist, top); |
718e3744 | 1514 | |
d62a17ae | 1515 | return rc; |
718e3744 | 1516 | } |
1517 | ||
d62a17ae | 1518 | static void ospf_opaque_lsa_reoriginate_resume(struct list *listtop, void *arg) |
718e3744 | 1519 | { |
d62a17ae | 1520 | struct listnode *node, *nnode; |
1521 | struct opaque_info_per_type *oipt; | |
1522 | struct ospf_opaque_functab *functab; | |
718e3744 | 1523 | |
d62a17ae | 1524 | if (listtop == NULL) |
1525 | goto out; | |
718e3744 | 1526 | |
d62a17ae | 1527 | /* |
1528 | * Pickup oipt entries those which in SUSPEND status, and give | |
1529 | * them a chance to start re-origination now. | |
1530 | */ | |
1531 | for (ALL_LIST_ELEMENTS(listtop, node, nnode, oipt)) { | |
1532 | if (oipt->status != PROC_SUSPEND) | |
1533 | continue; | |
718e3744 | 1534 | |
d62a17ae | 1535 | oipt->status = PROC_NORMAL; |
718e3744 | 1536 | |
d62a17ae | 1537 | if ((functab = oipt->functab) == NULL |
1538 | || functab->lsa_originator == NULL) | |
1539 | continue; | |
718e3744 | 1540 | |
d62a17ae | 1541 | if ((*functab->lsa_originator)(arg) != 0) { |
1542 | zlog_warn( | |
1543 | "ospf_opaque_lsa_reoriginate_resume: Failed (opaque-type=%u)", | |
1544 | oipt->opaque_type); | |
1545 | continue; | |
1546 | } | |
1547 | } | |
718e3744 | 1548 | |
1549 | out: | |
d62a17ae | 1550 | return; |
1551 | } | |
1552 | ||
1553 | struct ospf_lsa *ospf_opaque_lsa_install(struct ospf_lsa *lsa, int rt_recalc) | |
1554 | { | |
1555 | struct ospf_lsa *new = NULL; | |
1556 | struct opaque_info_per_type *oipt; | |
1557 | struct opaque_info_per_id *oipi; | |
1558 | struct ospf *top; | |
1559 | ||
1560 | /* Don't take "rt_recalc" into consideration for now. */ /* XXX */ | |
1561 | ||
1562 | if (!IS_LSA_SELF(lsa)) { | |
1563 | new = lsa; /* Don't touch this LSA. */ | |
1564 | goto out; | |
1565 | } | |
1566 | ||
1567 | if (IS_DEBUG_OSPF(lsa, LSA_INSTALL)) | |
1568 | zlog_debug( | |
1569 | "Install Type-%u Opaque-LSA: [opaque-type=%u, opaque-id=%x]", | |
1570 | lsa->data->type, | |
1571 | GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)), | |
1572 | GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr))); | |
1573 | ||
1574 | /* Replace the existing lsa with the new one. */ | |
1575 | if ((oipt = lookup_opaque_info_by_type(lsa)) != NULL | |
1576 | && (oipi = lookup_opaque_info_by_id(oipt, lsa)) != NULL) { | |
1577 | ospf_lsa_unlock(&oipi->lsa); | |
1578 | oipi->lsa = ospf_lsa_lock(lsa); | |
1579 | } | |
1580 | /* Register the new lsa entry and get its control info. */ | |
1581 | else if ((oipi = register_opaque_lsa(lsa)) == NULL) { | |
1582 | zlog_warn("ospf_opaque_lsa_install: register_opaque_lsa() ?"); | |
1583 | goto out; | |
1584 | } | |
1585 | ||
1586 | /* | |
1587 | * Make use of a common mechanism (ospf_lsa_refresh_walker) | |
1588 | * for periodic refresh of self-originated Opaque-LSAs. | |
1589 | */ | |
1590 | switch (lsa->data->type) { | |
1591 | case OSPF_OPAQUE_LINK_LSA: | |
1592 | if ((top = oi_to_top(lsa->oi)) == NULL) { | |
1593 | /* Above conditions must have passed. */ | |
1594 | zlog_warn("ospf_opaque_lsa_install: Sonmething wrong?"); | |
1595 | goto out; | |
1596 | } | |
1597 | break; | |
1598 | case OSPF_OPAQUE_AREA_LSA: | |
1599 | if (lsa->area == NULL || (top = lsa->area->ospf) == NULL) { | |
1600 | /* Above conditions must have passed. */ | |
1601 | zlog_warn("ospf_opaque_lsa_install: Sonmething wrong?"); | |
1602 | goto out; | |
1603 | } | |
1604 | break; | |
1605 | case OSPF_OPAQUE_AS_LSA: | |
b5a8894d | 1606 | top = ospf_lookup_by_vrf_id(lsa->vrf_id); |
d62a17ae | 1607 | if (lsa->area != NULL && (top = lsa->area->ospf) == NULL) { |
1608 | /* Above conditions must have passed. */ | |
1609 | zlog_warn("ospf_opaque_lsa_install: Sonmething wrong?"); | |
1610 | goto out; | |
1611 | } | |
1612 | break; | |
1613 | default: | |
1614 | zlog_warn("ospf_opaque_lsa_install: Unexpected LSA-type(%u)", | |
1615 | lsa->data->type); | |
1616 | goto out; | |
1617 | } | |
1618 | ||
1619 | ospf_refresher_register_lsa(top, lsa); | |
1620 | new = lsa; | |
718e3744 | 1621 | |
1622 | out: | |
d62a17ae | 1623 | return new; |
718e3744 | 1624 | } |
1625 | ||
d62a17ae | 1626 | struct ospf_lsa *ospf_opaque_lsa_refresh(struct ospf_lsa *lsa) |
718e3744 | 1627 | { |
d62a17ae | 1628 | struct ospf *ospf; |
1629 | struct ospf_opaque_functab *functab; | |
1630 | struct ospf_lsa *new = NULL; | |
1631 | ||
b5a8894d | 1632 | ospf = ospf_lookup_by_vrf_id(lsa->vrf_id); |
020709f9 | 1633 | |
d62a17ae | 1634 | if ((functab = ospf_opaque_functab_lookup(lsa)) == NULL |
1635 | || functab->lsa_refresher == NULL) { | |
1636 | /* | |
1637 | * Though this LSA seems to have originated on this node, the | |
1638 | * handling module for this "lsa-type and opaque-type" was | |
1639 | * already deleted sometime ago. | |
1640 | * Anyway, this node still has a responsibility to flush this | |
1641 | * LSA from the routing domain. | |
1642 | */ | |
1643 | if (IS_DEBUG_OSPF_EVENT) | |
1644 | zlog_debug("LSA[Type%d:%s]: Flush stray Opaque-LSA", | |
1645 | lsa->data->type, inet_ntoa(lsa->data->id)); | |
718e3744 | 1646 | |
d62a17ae | 1647 | lsa->data->ls_age = htons(OSPF_LSA_MAXAGE); |
1648 | ospf_lsa_flush(ospf, lsa); | |
1649 | } else | |
1650 | new = (*functab->lsa_refresher)(lsa); | |
718e3744 | 1651 | |
d62a17ae | 1652 | return new; |
718e3744 | 1653 | } |
1654 | ||
1655 | /*------------------------------------------------------------------------* | |
1656 | * Followings are re-origination/refresh/flush operations of Opaque-LSAs, | |
1657 | * triggered by external interventions (vty session, signaling, etc). | |
1658 | *------------------------------------------------------------------------*/ | |
1659 | ||
ffa2c898 | 1660 | #define OSPF_OPAQUE_TIMER_ON(T,F,L,V) thread_add_timer_msec (master, (F), (L), (V), &(T)) |
718e3744 | 1661 | |
d62a17ae | 1662 | static struct ospf_lsa *pseudo_lsa(struct ospf_interface *oi, |
d7c0a89a QY |
1663 | struct ospf_area *area, uint8_t lsa_type, |
1664 | uint8_t opaque_type); | |
d62a17ae | 1665 | static int ospf_opaque_type9_lsa_reoriginate_timer(struct thread *t); |
1666 | static int ospf_opaque_type10_lsa_reoriginate_timer(struct thread *t); | |
1667 | static int ospf_opaque_type11_lsa_reoriginate_timer(struct thread *t); | |
1668 | static int ospf_opaque_lsa_refresh_timer(struct thread *t); | |
1669 | ||
1670 | void ospf_opaque_lsa_reoriginate_schedule(void *lsa_type_dependent, | |
d7c0a89a | 1671 | uint8_t lsa_type, uint8_t opaque_type) |
d62a17ae | 1672 | { |
b5a8894d | 1673 | struct ospf *top = NULL; |
d62a17ae | 1674 | struct ospf_area dummy, *area = NULL; |
1675 | struct ospf_interface *oi = NULL; | |
1676 | ||
1677 | struct ospf_lsa *lsa; | |
1678 | struct opaque_info_per_type *oipt; | |
1679 | int (*func)(struct thread * t) = NULL; | |
1680 | int delay; | |
1681 | ||
1682 | switch (lsa_type) { | |
1683 | case OSPF_OPAQUE_LINK_LSA: | |
1684 | if ((oi = (struct ospf_interface *)lsa_type_dependent) | |
1685 | == NULL) { | |
1686 | zlog_warn( | |
1687 | "ospf_opaque_lsa_reoriginate_schedule:" | |
1688 | " Type-9 Opaque-LSA: Invalid parameter?"); | |
1689 | goto out; | |
1690 | } | |
1691 | if ((top = oi_to_top(oi)) == NULL) { | |
1692 | zlog_warn( | |
1693 | "ospf_opaque_lsa_reoriginate_schedule: OI(%s) -> TOP?", | |
1694 | IF_NAME(oi)); | |
1695 | goto out; | |
1696 | } | |
1697 | if (!list_isempty(ospf_opaque_type9_funclist) | |
1698 | && list_isempty(oi->opaque_lsa_self) | |
1699 | && oi->t_opaque_lsa_self != NULL) { | |
1700 | zlog_warn( | |
1701 | "Type-9 Opaque-LSA (opaque_type=%u):" | |
1702 | " Common origination for OI(%s) has already started", | |
1703 | opaque_type, IF_NAME(oi)); | |
1704 | goto out; | |
1705 | } | |
1706 | func = ospf_opaque_type9_lsa_reoriginate_timer; | |
1707 | break; | |
1708 | case OSPF_OPAQUE_AREA_LSA: | |
1709 | if ((area = (struct ospf_area *)lsa_type_dependent) == NULL) { | |
1710 | zlog_warn( | |
1711 | "ospf_opaque_lsa_reoriginate_schedule:" | |
1712 | " Type-10 Opaque-LSA: Invalid parameter?"); | |
1713 | goto out; | |
1714 | } | |
1715 | if ((top = area->ospf) == NULL) { | |
1716 | zlog_warn( | |
1717 | "ospf_opaque_lsa_reoriginate_schedule:" | |
1718 | " AREA(%s) -> TOP?", | |
1719 | inet_ntoa(area->area_id)); | |
1720 | goto out; | |
1721 | } | |
1722 | if (!list_isempty(ospf_opaque_type10_funclist) | |
1723 | && list_isempty(area->opaque_lsa_self) | |
1724 | && area->t_opaque_lsa_self != NULL) { | |
1725 | zlog_warn( | |
1726 | "Type-10 Opaque-LSA (opaque_type=%u):" | |
1727 | " Common origination for AREA(%s) has already started", | |
1728 | opaque_type, inet_ntoa(area->area_id)); | |
1729 | goto out; | |
1730 | } | |
1731 | func = ospf_opaque_type10_lsa_reoriginate_timer; | |
1732 | break; | |
1733 | case OSPF_OPAQUE_AS_LSA: | |
1734 | if ((top = (struct ospf *)lsa_type_dependent) == NULL) { | |
1735 | zlog_warn( | |
1736 | "ospf_opaque_lsa_reoriginate_schedule:" | |
1737 | " Type-11 Opaque-LSA: Invalid parameter?"); | |
1738 | goto out; | |
1739 | } | |
1740 | if (!list_isempty(ospf_opaque_type11_funclist) | |
1741 | && list_isempty(top->opaque_lsa_self) | |
1742 | && top->t_opaque_lsa_self != NULL) { | |
1743 | zlog_warn( | |
1744 | "Type-11 Opaque-LSA (opaque_type=%u):" | |
1745 | " Common origination has already started", | |
1746 | opaque_type); | |
1747 | goto out; | |
1748 | } | |
1749 | ||
1750 | /* Fake "area" to pass "ospf" to a lookup function later. */ | |
1751 | dummy.ospf = top; | |
1752 | area = &dummy; | |
1753 | ||
1754 | func = ospf_opaque_type11_lsa_reoriginate_timer; | |
1755 | break; | |
1756 | default: | |
1757 | zlog_warn( | |
1758 | "ospf_opaque_lsa_reoriginate_schedule:" | |
1759 | " Unexpected LSA-type(%u)", | |
1760 | lsa_type); | |
1761 | goto out; | |
1762 | } | |
1763 | ||
1764 | /* It may not a right time to schedule reorigination now. */ | |
1765 | if (!CHECK_FLAG(top->opaque, OPAQUE_OPERATION_READY_BIT)) { | |
1766 | if (IS_DEBUG_OSPF_EVENT) | |
1767 | zlog_debug( | |
1768 | "ospf_opaque_lsa_reoriginate_schedule: Not operational."); | |
1769 | goto out; /* This is not an error. */ | |
1770 | } | |
1771 | ||
1772 | /* Generate a dummy lsa to be passed for a lookup function. */ | |
1773 | lsa = pseudo_lsa(oi, area, lsa_type, opaque_type); | |
b5a8894d | 1774 | lsa->vrf_id = top->vrf_id; |
d62a17ae | 1775 | |
1776 | if ((oipt = lookup_opaque_info_by_type(lsa)) == NULL) { | |
1777 | struct ospf_opaque_functab *functab; | |
1778 | if ((functab = ospf_opaque_functab_lookup(lsa)) == NULL) { | |
1779 | zlog_warn( | |
1780 | "ospf_opaque_lsa_reoriginate_schedule:" | |
1781 | " No associated function?: lsa_type(%u)," | |
1782 | " opaque_type(%u)", | |
1783 | lsa_type, opaque_type); | |
1784 | goto out; | |
1785 | } | |
1786 | if ((oipt = register_opaque_info_per_type(functab, lsa)) | |
1787 | == NULL) { | |
1788 | zlog_warn( | |
1789 | "ospf_opaque_lsa_reoriginate_schedule:" | |
1790 | " Cannot get a control info?: lsa_type(%u)," | |
1791 | " opaque_type(%u)", | |
1792 | lsa_type, opaque_type); | |
1793 | goto out; | |
1794 | } | |
1795 | } | |
1796 | ||
1797 | if (oipt->t_opaque_lsa_self != NULL) { | |
1798 | if (IS_DEBUG_OSPF_EVENT) | |
1799 | zlog_debug( | |
1800 | "Type-%u Opaque-LSA has already scheduled to" | |
1801 | " RE-ORIGINATE: [opaque-type=%u]", | |
1802 | lsa_type, | |
1803 | GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr))); | |
1804 | goto out; | |
1805 | } | |
1806 | ||
1807 | /* | |
1808 | * Different from initial origination time, in which various conditions | |
1809 | * (opaque capability, neighbor status etc) are assured by caller of | |
1810 | * the originating function "ospf_opaque_lsa_originate_schedule ()", | |
1811 | * it is highly possible that these conditions might not be satisfied | |
1812 | * at the time of re-origination function is to be called. | |
1813 | */ | |
1814 | delay = top->min_ls_interval; /* XXX */ | |
1815 | ||
1816 | if (IS_DEBUG_OSPF_EVENT) | |
1817 | zlog_debug( | |
1818 | "Schedule Type-%u Opaque-LSA to RE-ORIGINATE in %d" | |
1819 | " ms later: [opaque-type=%u]", | |
1820 | lsa_type, delay, | |
1821 | GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr))); | |
1822 | ||
62c99790 | 1823 | OSPF_OPAQUE_TIMER_ON(oipt->t_opaque_lsa_self, func, oipt, delay); |
718e3744 | 1824 | |
1825 | out: | |
d62a17ae | 1826 | return; |
1827 | } | |
1828 | ||
1829 | static struct ospf_lsa *pseudo_lsa(struct ospf_interface *oi, | |
d7c0a89a QY |
1830 | struct ospf_area *area, uint8_t lsa_type, |
1831 | uint8_t opaque_type) | |
d62a17ae | 1832 | { |
1833 | static struct ospf_lsa lsa = {0}; | |
1834 | static struct lsa_header lsah = {0}; | |
d7c0a89a | 1835 | uint32_t tmp; |
d62a17ae | 1836 | |
1837 | lsa.oi = oi; | |
1838 | lsa.area = area; | |
1839 | lsa.data = &lsah; | |
b5a8894d | 1840 | lsa.vrf_id = VRF_DEFAULT; |
d62a17ae | 1841 | |
1842 | lsah.type = lsa_type; | |
1843 | tmp = SET_OPAQUE_LSID(opaque_type, 0); /* Opaque-ID is unused here. */ | |
1844 | lsah.id.s_addr = htonl(tmp); | |
1845 | ||
1846 | return &lsa; | |
1847 | } | |
1848 | ||
1849 | static int ospf_opaque_type9_lsa_reoriginate_timer(struct thread *t) | |
1850 | { | |
1851 | struct opaque_info_per_type *oipt; | |
1852 | struct ospf_opaque_functab *functab; | |
1853 | struct ospf *top; | |
1854 | struct ospf_interface *oi; | |
1855 | int rc = -1; | |
1856 | ||
1857 | oipt = THREAD_ARG(t); | |
1858 | oipt->t_opaque_lsa_self = NULL; | |
1859 | ||
1860 | if ((functab = oipt->functab) == NULL | |
1861 | || functab->lsa_originator == NULL) { | |
1862 | zlog_warn( | |
1863 | "ospf_opaque_type9_lsa_reoriginate_timer: No associated function?"); | |
1864 | goto out; | |
1865 | } | |
1866 | ||
1867 | oi = (struct ospf_interface *)oipt->owner; | |
1868 | if ((top = oi_to_top(oi)) == NULL) { | |
1869 | zlog_warn( | |
1870 | "ospf_opaque_type9_lsa_reoriginate_timer: Something wrong?"); | |
1871 | goto out; | |
1872 | } | |
1873 | ||
1874 | if (!CHECK_FLAG(top->config, OSPF_OPAQUE_CAPABLE) | |
1875 | || !ospf_if_is_enable(oi) | |
1876 | || ospf_nbr_count_opaque_capable(oi) == 0) { | |
1877 | if (IS_DEBUG_OSPF_EVENT) | |
1878 | zlog_debug( | |
1879 | "Suspend re-origination of Type-9 Opaque-LSAs (opaque-type=%u) for a while...", | |
1880 | oipt->opaque_type); | |
1881 | ||
1882 | oipt->status = PROC_SUSPEND; | |
1883 | rc = 0; | |
1884 | goto out; | |
1885 | } | |
1886 | ||
1887 | if (IS_DEBUG_OSPF_EVENT) | |
1888 | zlog_debug( | |
1889 | "Timer[Type9-LSA]: Re-originate Opaque-LSAs (opaque-type=%u) for OI (%s)", | |
1890 | oipt->opaque_type, IF_NAME(oi)); | |
1891 | ||
1892 | rc = (*functab->lsa_originator)(oi); | |
718e3744 | 1893 | out: |
d62a17ae | 1894 | return rc; |
1895 | } | |
1896 | ||
1897 | static int ospf_opaque_type10_lsa_reoriginate_timer(struct thread *t) | |
1898 | { | |
1899 | struct opaque_info_per_type *oipt; | |
1900 | struct ospf_opaque_functab *functab; | |
1901 | struct listnode *node, *nnode; | |
1902 | struct ospf *top; | |
1903 | struct ospf_area *area; | |
1904 | struct ospf_interface *oi; | |
1905 | int n, rc = -1; | |
1906 | ||
1907 | oipt = THREAD_ARG(t); | |
1908 | oipt->t_opaque_lsa_self = NULL; | |
1909 | ||
1910 | if ((functab = oipt->functab) == NULL | |
1911 | || functab->lsa_originator == NULL) { | |
1912 | zlog_warn( | |
1913 | "ospf_opaque_type10_lsa_reoriginate_timer: No associated function?"); | |
1914 | goto out; | |
1915 | } | |
1916 | ||
1917 | area = (struct ospf_area *)oipt->owner; | |
1918 | if (area == NULL || (top = area->ospf) == NULL) { | |
1919 | zlog_warn( | |
1920 | "ospf_opaque_type10_lsa_reoriginate_timer: Something wrong?"); | |
1921 | goto out; | |
1922 | } | |
1923 | ||
1924 | /* There must be at least one "opaque-capable, full-state" neighbor. */ | |
1925 | n = 0; | |
1926 | for (ALL_LIST_ELEMENTS(area->oiflist, node, nnode, oi)) { | |
1927 | if ((n = ospf_nbr_count_opaque_capable(oi)) > 0) | |
1928 | break; | |
1929 | } | |
1930 | ||
1931 | if (n == 0 || !CHECK_FLAG(top->config, OSPF_OPAQUE_CAPABLE)) { | |
1932 | if (IS_DEBUG_OSPF_EVENT) | |
1933 | zlog_debug( | |
1934 | "Suspend re-origination of Type-10 Opaque-LSAs" | |
1935 | " (opaque-type=%u) for a while...", | |
1936 | oipt->opaque_type); | |
1937 | ||
1938 | oipt->status = PROC_SUSPEND; | |
1939 | rc = 0; | |
1940 | goto out; | |
1941 | } | |
1942 | ||
1943 | if (IS_DEBUG_OSPF_EVENT) | |
1944 | zlog_debug( | |
1945 | "Timer[Type10-LSA]: Re-originate Opaque-LSAs" | |
1946 | " (opaque-type=%u) for Area %s", | |
1947 | oipt->opaque_type, inet_ntoa(area->area_id)); | |
1948 | ||
1949 | rc = (*functab->lsa_originator)(area); | |
718e3744 | 1950 | out: |
d62a17ae | 1951 | return rc; |
1952 | } | |
1953 | ||
1954 | static int ospf_opaque_type11_lsa_reoriginate_timer(struct thread *t) | |
1955 | { | |
1956 | struct opaque_info_per_type *oipt; | |
1957 | struct ospf_opaque_functab *functab; | |
1958 | struct ospf *top; | |
1959 | int rc = -1; | |
1960 | ||
1961 | oipt = THREAD_ARG(t); | |
1962 | oipt->t_opaque_lsa_self = NULL; | |
1963 | ||
1964 | if ((functab = oipt->functab) == NULL | |
1965 | || functab->lsa_originator == NULL) { | |
1966 | zlog_warn( | |
1967 | "ospf_opaque_type11_lsa_reoriginate_timer:" | |
1968 | " No associated function?"); | |
1969 | goto out; | |
1970 | } | |
1971 | ||
1972 | if ((top = (struct ospf *)oipt->owner) == NULL) { | |
1973 | zlog_warn( | |
1974 | "ospf_opaque_type11_lsa_reoriginate_timer: Something wrong?"); | |
1975 | goto out; | |
1976 | } | |
1977 | ||
1978 | if (!CHECK_FLAG(top->config, OSPF_OPAQUE_CAPABLE)) { | |
1979 | if (IS_DEBUG_OSPF_EVENT) | |
1980 | zlog_debug( | |
1981 | "Suspend re-origination of Type-11 Opaque-LSAs (opaque-type=%u) for a while...", | |
1982 | oipt->opaque_type); | |
1983 | ||
1984 | oipt->status = PROC_SUSPEND; | |
1985 | rc = 0; | |
1986 | goto out; | |
1987 | } | |
1988 | ||
1989 | if (IS_DEBUG_OSPF_EVENT) | |
1990 | zlog_debug( | |
1991 | "Timer[Type11-LSA]: Re-originate Opaque-LSAs (opaque-type=%u).", | |
1992 | oipt->opaque_type); | |
1993 | ||
1994 | rc = (*functab->lsa_originator)(top); | |
718e3744 | 1995 | out: |
d62a17ae | 1996 | return rc; |
1997 | } | |
1998 | ||
1999 | void ospf_opaque_lsa_refresh_schedule(struct ospf_lsa *lsa0) | |
2000 | { | |
2001 | struct opaque_info_per_type *oipt; | |
2002 | struct opaque_info_per_id *oipi; | |
2003 | struct ospf_lsa *lsa; | |
2004 | struct ospf *top; | |
2005 | int delay; | |
2006 | ||
2007 | if ((oipt = lookup_opaque_info_by_type(lsa0)) == NULL | |
2008 | || (oipi = lookup_opaque_info_by_id(oipt, lsa0)) == NULL) { | |
2009 | zlog_warn( | |
2010 | "ospf_opaque_lsa_refresh_schedule: Invalid parameter?"); | |
2011 | goto out; | |
2012 | } | |
2013 | ||
2014 | /* Given "lsa0" and current "oipi->lsa" may different, but harmless. */ | |
2015 | if ((lsa = oipi->lsa) == NULL) { | |
2016 | zlog_warn("ospf_opaque_lsa_refresh_schedule: Something wrong?"); | |
2017 | goto out; | |
2018 | } | |
2019 | ||
2020 | if (oipi->t_opaque_lsa_self != NULL) { | |
2021 | if (IS_DEBUG_OSPF_EVENT) | |
2022 | zlog_debug( | |
2023 | "Type-%u Opaque-LSA has already scheduled to REFRESH: [opaque-type=%u, opaque-id=%x]", | |
2024 | lsa->data->type, | |
2025 | GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)), | |
2026 | GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr))); | |
2027 | goto out; | |
2028 | } | |
2029 | ||
2030 | /* Delete this lsa from neighbor retransmit-list. */ | |
2031 | switch (lsa->data->type) { | |
2032 | case OSPF_OPAQUE_LINK_LSA: | |
2033 | case OSPF_OPAQUE_AREA_LSA: | |
2034 | ospf_ls_retransmit_delete_nbr_area(lsa->area, lsa); | |
2035 | break; | |
2036 | case OSPF_OPAQUE_AS_LSA: | |
b5a8894d | 2037 | top = ospf_lookup_by_vrf_id(lsa0->vrf_id); |
d62a17ae | 2038 | if ((lsa0->area != NULL) && (lsa0->area->ospf != NULL)) |
2039 | top = lsa0->area->ospf; | |
2040 | ospf_ls_retransmit_delete_nbr_as(top, lsa); | |
2041 | break; | |
2042 | default: | |
2043 | zlog_warn( | |
2044 | "ospf_opaque_lsa_refresh_schedule: Unexpected LSA-type(%u)", | |
2045 | lsa->data->type); | |
2046 | goto out; | |
2047 | } | |
2048 | ||
2049 | delay = ospf_lsa_refresh_delay(lsa); | |
2050 | ||
2051 | if (IS_DEBUG_OSPF_EVENT) | |
2052 | zlog_debug( | |
2053 | "Schedule Type-%u Opaque-LSA to REFRESH in %d sec later: [opaque-type=%u, opaque-id=%x]", | |
2054 | lsa->data->type, delay, | |
2055 | GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)), | |
2056 | GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr))); | |
2057 | ||
2058 | OSPF_OPAQUE_TIMER_ON(oipi->t_opaque_lsa_self, | |
2059 | ospf_opaque_lsa_refresh_timer, oipi, delay * 1000); | |
718e3744 | 2060 | out: |
d62a17ae | 2061 | return; |
718e3744 | 2062 | } |
2063 | ||
d62a17ae | 2064 | static int ospf_opaque_lsa_refresh_timer(struct thread *t) |
718e3744 | 2065 | { |
d62a17ae | 2066 | struct opaque_info_per_id *oipi; |
2067 | struct ospf_opaque_functab *functab; | |
2068 | struct ospf_lsa *lsa; | |
718e3744 | 2069 | |
d62a17ae | 2070 | if (IS_DEBUG_OSPF_EVENT) |
2071 | zlog_debug("Timer[Opaque-LSA]: (Opaque-LSA Refresh expire)"); | |
718e3744 | 2072 | |
d62a17ae | 2073 | oipi = THREAD_ARG(t); |
2074 | oipi->t_opaque_lsa_self = NULL; | |
718e3744 | 2075 | |
d62a17ae | 2076 | if ((lsa = oipi->lsa) != NULL) |
2077 | if ((functab = oipi->opqctl_type->functab) != NULL) | |
2078 | if (functab->lsa_refresher != NULL) | |
2079 | (*functab->lsa_refresher)(lsa); | |
718e3744 | 2080 | |
d62a17ae | 2081 | return 0; |
718e3744 | 2082 | } |
2083 | ||
d62a17ae | 2084 | void ospf_opaque_lsa_flush_schedule(struct ospf_lsa *lsa0) |
718e3744 | 2085 | { |
d62a17ae | 2086 | struct opaque_info_per_type *oipt; |
2087 | struct opaque_info_per_id *oipi; | |
2088 | struct ospf_lsa *lsa; | |
2089 | struct ospf *top; | |
16f1b9ee | 2090 | |
b5a8894d | 2091 | top = ospf_lookup_by_vrf_id(lsa0->vrf_id); |
718e3744 | 2092 | |
d62a17ae | 2093 | if ((oipt = lookup_opaque_info_by_type(lsa0)) == NULL |
2094 | || (oipi = lookup_opaque_info_by_id(oipt, lsa0)) == NULL) { | |
2095 | zlog_warn("ospf_opaque_lsa_flush_schedule: Invalid parameter?"); | |
2096 | goto out; | |
2097 | } | |
718e3744 | 2098 | |
d62a17ae | 2099 | /* Given "lsa0" and current "oipi->lsa" may different, but harmless. */ |
2100 | if ((lsa = oipi->lsa) == NULL) { | |
2101 | zlog_warn("ospf_opaque_lsa_flush_schedule: Something wrong?"); | |
2102 | goto out; | |
2103 | } | |
718e3744 | 2104 | |
d62a17ae | 2105 | /* Delete this lsa from neighbor retransmit-list. */ |
2106 | switch (lsa->data->type) { | |
2107 | case OSPF_OPAQUE_LINK_LSA: | |
2108 | case OSPF_OPAQUE_AREA_LSA: | |
2109 | ospf_ls_retransmit_delete_nbr_area(lsa->area, lsa); | |
2110 | break; | |
2111 | case OSPF_OPAQUE_AS_LSA: | |
2112 | if ((lsa0->area != NULL) && (lsa0->area->ospf != NULL)) | |
2113 | top = lsa0->area->ospf; | |
2114 | ospf_ls_retransmit_delete_nbr_as(top, lsa); | |
2115 | break; | |
2116 | default: | |
2117 | zlog_warn( | |
2118 | "ospf_opaque_lsa_flush_schedule: Unexpected LSA-type(%u)", | |
2119 | lsa->data->type); | |
2120 | goto out; | |
2121 | } | |
718e3744 | 2122 | |
d62a17ae | 2123 | /* Dequeue listnode entry from the list. */ |
2124 | listnode_delete(oipt->id_list, oipi); | |
718e3744 | 2125 | |
d62a17ae | 2126 | /* Avoid misjudgement in the next lookup. */ |
2127 | if (listcount(oipt->id_list) == 0) | |
2128 | oipt->id_list->head = oipt->id_list->tail = NULL; | |
718e3744 | 2129 | |
d62a17ae | 2130 | /* Disassociate internal control information with the given lsa. */ |
2131 | free_opaque_info_per_id((void *)oipi); | |
718e3744 | 2132 | |
d62a17ae | 2133 | /* Force given lsa's age to MaxAge. */ |
2134 | lsa->data->ls_age = htons(OSPF_LSA_MAXAGE); | |
718e3744 | 2135 | |
d62a17ae | 2136 | if (IS_DEBUG_OSPF_EVENT) |
2137 | zlog_debug( | |
2138 | "Schedule Type-%u Opaque-LSA to FLUSH: [opaque-type=%u, opaque-id=%x]", | |
2139 | lsa->data->type, | |
2140 | GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)), | |
2141 | GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr))); | |
718e3744 | 2142 | |
d62a17ae | 2143 | /* This lsa will be flushed and removed eventually. */ |
2144 | ospf_lsa_flush(top, lsa); | |
718e3744 | 2145 | |
2146 | out: | |
d62a17ae | 2147 | return; |
2148 | } | |
2149 | ||
2150 | void ospf_opaque_self_originated_lsa_received(struct ospf_neighbor *nbr, | |
2151 | struct ospf_lsa *lsa) | |
2152 | { | |
2153 | struct ospf *top; | |
2154 | ||
2155 | if ((top = oi_to_top(nbr->oi)) == NULL) | |
2156 | return; | |
2157 | ||
2158 | /* | |
2159 | * Since these LSA entries are not yet installed into corresponding | |
2160 | * LSDB, just flush them without calling ospf_ls_maxage() afterward. | |
2161 | */ | |
2162 | lsa->data->ls_age = htons(OSPF_LSA_MAXAGE); | |
2163 | switch (lsa->data->type) { | |
2164 | case OSPF_OPAQUE_LINK_LSA: | |
2165 | ospf_flood_through_area(nbr->oi->area, NULL /*inbr*/, lsa); | |
2166 | break; | |
2167 | case OSPF_OPAQUE_AREA_LSA: | |
2168 | ospf_flood_through_area(nbr->oi->area, NULL /*inbr*/, lsa); | |
2169 | break; | |
2170 | case OSPF_OPAQUE_AS_LSA: | |
2171 | ospf_flood_through_as(top, NULL /*inbr*/, lsa); | |
2172 | break; | |
2173 | default: | |
2174 | zlog_warn( | |
2175 | "ospf_opaque_self_originated_lsa_received: Unexpected LSA-type(%u)", | |
2176 | lsa->data->type); | |
2177 | return; | |
2178 | } | |
2179 | ospf_lsa_discard(lsa); /* List "lsas" will be deleted by caller. */ | |
718e3744 | 2180 | } |
2181 | ||
2182 | /*------------------------------------------------------------------------* | |
2183 | * Followings are util functions; probably be used by Opaque-LSAs only... | |
2184 | *------------------------------------------------------------------------*/ | |
2185 | ||
d62a17ae | 2186 | struct ospf *oi_to_top(struct ospf_interface *oi) |
718e3744 | 2187 | { |
d62a17ae | 2188 | struct ospf *top = NULL; |
2189 | struct ospf_area *area; | |
718e3744 | 2190 | |
d62a17ae | 2191 | if (oi == NULL || (area = oi->area) == NULL |
2192 | || (top = area->ospf) == NULL) | |
2193 | zlog_warn("Broken relationship for \"OI -> AREA -> OSPF\"?"); | |
718e3744 | 2194 | |
d62a17ae | 2195 | return top; |
718e3744 | 2196 | } |