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