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718e3744 | 1 | /* |
508e53e2 | 2 | * Copyright (C) 2003 Yasuhiro Ohara |
718e3744 | 3 | * |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 19 | */ |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | /* Include other stuffs */ | |
718e3744 | 24 | #include "log.h" |
718e3744 | 25 | #include "linklist.h" |
1e05838a | 26 | #include "vector.h" |
27 | #include "vty.h" | |
718e3744 | 28 | #include "command.h" |
29 | #include "memory.h" | |
718e3744 | 30 | #include "thread.h" |
d8a4e42b | 31 | #include "checksum.h" |
718e3744 | 32 | |
33 | #include "ospf6_proto.h" | |
718e3744 | 34 | #include "ospf6_lsa.h" |
35 | #include "ospf6_lsdb.h" | |
36 | #include "ospf6_message.h" | |
718e3744 | 37 | |
38 | #include "ospf6_top.h" | |
39 | #include "ospf6_area.h" | |
40 | #include "ospf6_interface.h" | |
41 | #include "ospf6_neighbor.h" | |
718e3744 | 42 | |
508e53e2 | 43 | #include "ospf6_flood.h" |
049207c3 | 44 | #include "ospf6d.h" |
718e3744 | 45 | |
1e05838a | 46 | vector ospf6_lsa_handler_vector; |
718e3744 | 47 | |
d62a17ae | 48 | static int ospf6_unknown_lsa_show(struct vty *vty, struct ospf6_lsa *lsa) |
1e05838a | 49 | { |
d7c0a89a | 50 | uint8_t *start, *end, *current; |
d62a17ae | 51 | char byte[4]; |
1e05838a | 52 | |
d7c0a89a QY |
53 | start = (uint8_t *)lsa->header + sizeof(struct ospf6_lsa_header); |
54 | end = (uint8_t *)lsa->header + ntohs(lsa->header->length); | |
1e05838a | 55 | |
d62a17ae | 56 | vty_out(vty, " Unknown contents:\n"); |
57 | for (current = start; current < end; current++) { | |
58 | if ((current - start) % 16 == 0) | |
59 | vty_out(vty, "\n "); | |
60 | else if ((current - start) % 4 == 0) | |
61 | vty_out(vty, " "); | |
718e3744 | 62 | |
d62a17ae | 63 | snprintf(byte, sizeof(byte), "%02x", *current); |
64 | vty_out(vty, "%s", byte); | |
65 | } | |
1e05838a | 66 | |
d62a17ae | 67 | vty_out(vty, "\n\n"); |
68 | return 0; | |
1e05838a | 69 | } |
70 | ||
3981b5c7 VJ |
71 | static struct ospf6_lsa_handler unknown_handler = { |
72 | .lh_type = OSPF6_LSTYPE_UNKNOWN, | |
73 | .lh_name = "Unknown", | |
74 | .lh_short_name = "Unk", | |
75 | .lh_show = ospf6_unknown_lsa_show, | |
76 | .lh_get_prefix_str = NULL, | |
77 | .lh_debug = 0 /* No default debug */ | |
78 | }; | |
1e05838a | 79 | |
3981b5c7 | 80 | void ospf6_install_lsa_handler(const struct ospf6_lsa_handler *handler) |
1e05838a | 81 | { |
d62a17ae | 82 | /* type in handler is host byte order */ |
3981b5c7 VJ |
83 | int index = handler->lh_type & OSPF6_LSTYPE_FCODE_MASK; |
84 | vector_set_index(ospf6_lsa_handler_vector, index, (void *)handler); | |
1e05838a | 85 | } |
86 | ||
d7c0a89a | 87 | const struct ospf6_lsa_handler *ospf6_get_lsa_handler(uint16_t type) |
1e05838a | 88 | { |
3981b5c7 | 89 | const struct ospf6_lsa_handler *handler = NULL; |
d62a17ae | 90 | unsigned int index = ntohs(type) & OSPF6_LSTYPE_FCODE_MASK; |
1e05838a | 91 | |
d62a17ae | 92 | if (index >= vector_active(ospf6_lsa_handler_vector)) |
93 | handler = &unknown_handler; | |
94 | else | |
95 | handler = vector_slot(ospf6_lsa_handler_vector, index); | |
1e05838a | 96 | |
d62a17ae | 97 | if (handler == NULL) |
98 | handler = &unknown_handler; | |
2680aa2b | 99 | |
d62a17ae | 100 | return handler; |
1e05838a | 101 | } |
718e3744 | 102 | |
d7c0a89a | 103 | const char *ospf6_lstype_name(uint16_t type) |
508e53e2 | 104 | { |
d62a17ae | 105 | static char buf[8]; |
3981b5c7 | 106 | const struct ospf6_lsa_handler *handler; |
508e53e2 | 107 | |
d62a17ae | 108 | handler = ospf6_get_lsa_handler(type); |
109 | if (handler && handler != &unknown_handler) | |
3981b5c7 | 110 | return handler->lh_name; |
718e3744 | 111 | |
d62a17ae | 112 | snprintf(buf, sizeof(buf), "0x%04hx", ntohs(type)); |
113 | return buf; | |
718e3744 | 114 | } |
115 | ||
d7c0a89a | 116 | const char *ospf6_lstype_short_name(uint16_t type) |
e68a6767 | 117 | { |
d62a17ae | 118 | static char buf[8]; |
3981b5c7 | 119 | const struct ospf6_lsa_handler *handler; |
e68a6767 | 120 | |
d62a17ae | 121 | handler = ospf6_get_lsa_handler(type); |
122 | if (handler && handler != &unknown_handler) | |
3981b5c7 | 123 | return handler->lh_short_name; |
e68a6767 | 124 | |
d62a17ae | 125 | snprintf(buf, sizeof(buf), "0x%04hx", ntohs(type)); |
126 | return buf; | |
e68a6767 DD |
127 | } |
128 | ||
d7c0a89a | 129 | uint8_t ospf6_lstype_debug(uint16_t type) |
1e05838a | 130 | { |
3981b5c7 | 131 | const struct ospf6_lsa_handler *handler; |
d62a17ae | 132 | handler = ospf6_get_lsa_handler(type); |
01db90cd | 133 | return handler->lh_debug; |
1e05838a | 134 | } |
135 | ||
718e3744 | 136 | /* RFC2328: Section 13.2 */ |
d62a17ae | 137 | int ospf6_lsa_is_differ(struct ospf6_lsa *lsa1, struct ospf6_lsa *lsa2) |
718e3744 | 138 | { |
d62a17ae | 139 | int len; |
718e3744 | 140 | |
d62a17ae | 141 | assert(OSPF6_LSA_IS_SAME(lsa1, lsa2)); |
718e3744 | 142 | |
d62a17ae | 143 | /* XXX, Options ??? */ |
718e3744 | 144 | |
d62a17ae | 145 | ospf6_lsa_age_current(lsa1); |
146 | ospf6_lsa_age_current(lsa2); | |
147 | if (ntohs(lsa1->header->age) == OSPF_LSA_MAXAGE | |
148 | && ntohs(lsa2->header->age) != OSPF_LSA_MAXAGE) | |
149 | return 1; | |
150 | if (ntohs(lsa1->header->age) != OSPF_LSA_MAXAGE | |
151 | && ntohs(lsa2->header->age) == OSPF_LSA_MAXAGE) | |
152 | return 1; | |
718e3744 | 153 | |
d62a17ae | 154 | /* compare body */ |
155 | if (ntohs(lsa1->header->length) != ntohs(lsa2->header->length)) | |
156 | return 1; | |
718e3744 | 157 | |
d62a17ae | 158 | len = ntohs(lsa1->header->length) - sizeof(struct ospf6_lsa_header); |
159 | return memcmp(lsa1->header + 1, lsa2->header + 1, len); | |
718e3744 | 160 | } |
161 | ||
d62a17ae | 162 | int ospf6_lsa_is_changed(struct ospf6_lsa *lsa1, struct ospf6_lsa *lsa2) |
718e3744 | 163 | { |
d62a17ae | 164 | int length; |
718e3744 | 165 | |
d62a17ae | 166 | if (OSPF6_LSA_IS_MAXAGE(lsa1) ^ OSPF6_LSA_IS_MAXAGE(lsa2)) |
167 | return 1; | |
168 | if (ntohs(lsa1->header->length) != ntohs(lsa2->header->length)) | |
169 | return 1; | |
170 | /* Going beyond LSA headers to compare the payload only makes sense, | |
171 | * when both LSAs aren't header-only. */ | |
172 | if (CHECK_FLAG(lsa1->flag, OSPF6_LSA_HEADERONLY) | |
173 | != CHECK_FLAG(lsa2->flag, OSPF6_LSA_HEADERONLY)) { | |
174 | zlog_warn( | |
175 | "%s: only one of two (%s, %s) LSAs compared is header-only", | |
176 | __func__, lsa1->name, lsa2->name); | |
177 | return 1; | |
178 | } | |
179 | if (CHECK_FLAG(lsa1->flag, OSPF6_LSA_HEADERONLY)) | |
180 | return 0; | |
718e3744 | 181 | |
d62a17ae | 182 | length = OSPF6_LSA_SIZE(lsa1->header) - sizeof(struct ospf6_lsa_header); |
183 | /* Once upper layer verifies LSAs received, length underrun should | |
184 | * become a warning. */ | |
185 | if (length <= 0) | |
186 | return 0; | |
718e3744 | 187 | |
d62a17ae | 188 | return memcmp(OSPF6_LSA_HEADER_END(lsa1->header), |
189 | OSPF6_LSA_HEADER_END(lsa2->header), length); | |
718e3744 | 190 | } |
191 | ||
192 | /* ospf6 age functions */ | |
3b68735f | 193 | /* calculate birth */ |
da086a3b | 194 | void ospf6_lsa_age_set(struct ospf6_lsa *lsa) |
718e3744 | 195 | { |
d62a17ae | 196 | struct timeval now; |
718e3744 | 197 | |
d62a17ae | 198 | assert(lsa && lsa->header); |
718e3744 | 199 | |
d62a17ae | 200 | monotime(&now); |
718e3744 | 201 | |
d62a17ae | 202 | lsa->birth.tv_sec = now.tv_sec - ntohs(lsa->header->age); |
203 | lsa->birth.tv_usec = now.tv_usec; | |
3b68735f | 204 | |
d62a17ae | 205 | return; |
718e3744 | 206 | } |
207 | ||
208 | /* this function calculates current age from its birth, | |
209 | then update age field of LSA header. return value is current age */ | |
d7c0a89a | 210 | uint16_t ospf6_lsa_age_current(struct ospf6_lsa *lsa) |
718e3744 | 211 | { |
d62a17ae | 212 | struct timeval now; |
d7c0a89a QY |
213 | uint32_t ulage; |
214 | uint16_t age; | |
718e3744 | 215 | |
d62a17ae | 216 | assert(lsa); |
217 | assert(lsa->header); | |
718e3744 | 218 | |
d62a17ae | 219 | /* current time */ |
220 | monotime(&now); | |
718e3744 | 221 | |
d62a17ae | 222 | if (ntohs(lsa->header->age) >= OSPF_LSA_MAXAGE) { |
223 | /* ospf6_lsa_premature_aging () sets age to MAXAGE; when using | |
224 | relative time, we cannot compare against lsa birth time, so | |
225 | we catch this special case here. */ | |
226 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
227 | return OSPF_LSA_MAXAGE; | |
228 | } | |
229 | /* calculate age */ | |
230 | ulage = now.tv_sec - lsa->birth.tv_sec; | |
718e3744 | 231 | |
d62a17ae | 232 | /* if over MAXAGE, set to it */ |
233 | age = (ulage > OSPF_LSA_MAXAGE ? OSPF_LSA_MAXAGE : ulage); | |
718e3744 | 234 | |
d62a17ae | 235 | lsa->header->age = htons(age); |
236 | return age; | |
718e3744 | 237 | } |
238 | ||
239 | /* update age field of LSA header with adding InfTransDelay */ | |
d7c0a89a | 240 | void ospf6_lsa_age_update_to_send(struct ospf6_lsa *lsa, uint32_t transdelay) |
d62a17ae | 241 | { |
242 | unsigned short age; | |
243 | ||
244 | age = ospf6_lsa_age_current(lsa) + transdelay; | |
245 | if (age > OSPF_LSA_MAXAGE) | |
246 | age = OSPF_LSA_MAXAGE; | |
247 | lsa->header->age = htons(age); | |
248 | } | |
249 | ||
250 | void ospf6_lsa_premature_aging(struct ospf6_lsa *lsa) | |
251 | { | |
252 | /* log */ | |
253 | if (IS_OSPF6_DEBUG_LSA_TYPE(lsa->header->type)) | |
254 | zlog_debug("LSA: Premature aging: %s", lsa->name); | |
255 | ||
256 | THREAD_OFF(lsa->expire); | |
257 | THREAD_OFF(lsa->refresh); | |
258 | ||
259 | /* | |
260 | * We clear the LSA from the neighbor retx lists now because it | |
261 | * will not get deleted later. Essentially, changing the age to | |
262 | * MaxAge will prevent this LSA from being matched with its | |
263 | * existing entries in the retx list thereby causing those entries | |
264 | * to be silently replaced with its MaxAged version, but with ever | |
265 | * increasing retx count causing this LSA to remain forever and | |
266 | * for the MaxAge remover thread to be called forever too. | |
267 | * | |
268 | * The reason the previous entry silently disappears is that when | |
269 | * entry is added to a neighbor's retx list, it replaces the existing | |
270 | * entry. But since the ospf6_lsdb_add() routine is generic and not | |
271 | * aware | |
272 | * of the special semantics of retx count, the retx count is not | |
273 | * decremented when its replaced. Attempting to add the incr and decr | |
274 | * retx count routines as the hook_add and hook_remove for the retx | |
275 | * lists | |
276 | * have a problem because the hook_remove routine is called for MaxAge | |
277 | * entries (as will be the case in a traditional LSDB, unlike in this | |
278 | * case | |
279 | * where an LSDB is used as an efficient tree structure to store all | |
280 | * kinds | |
281 | * of data) that are added instead of calling the hook_add routine. | |
282 | */ | |
283 | ||
284 | ospf6_flood_clear(lsa); | |
285 | ||
286 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
287 | thread_execute(master, ospf6_lsa_expire, lsa, 0); | |
718e3744 | 288 | } |
289 | ||
290 | /* check which is more recent. if a is more recent, return -1; | |
291 | if the same, return 0; otherwise(b is more recent), return 1 */ | |
d62a17ae | 292 | int ospf6_lsa_compare(struct ospf6_lsa *a, struct ospf6_lsa *b) |
718e3744 | 293 | { |
d62a17ae | 294 | int32_t seqnuma, seqnumb; |
d7c0a89a QY |
295 | uint16_t cksuma, cksumb; |
296 | uint16_t agea, ageb; | |
d62a17ae | 297 | |
298 | assert(a && a->header); | |
299 | assert(b && b->header); | |
300 | assert(OSPF6_LSA_IS_SAME(a, b)); | |
718e3744 | 301 | |
d62a17ae | 302 | seqnuma = (int32_t)ntohl(a->header->seqnum); |
303 | seqnumb = (int32_t)ntohl(b->header->seqnum); | |
718e3744 | 304 | |
d62a17ae | 305 | /* compare by sequence number */ |
306 | if (seqnuma > seqnumb) | |
307 | return -1; | |
308 | if (seqnuma < seqnumb) | |
309 | return 1; | |
310 | ||
311 | /* Checksum */ | |
312 | cksuma = ntohs(a->header->checksum); | |
313 | cksumb = ntohs(b->header->checksum); | |
314 | if (cksuma > cksumb) | |
315 | return -1; | |
316 | if (cksuma < cksumb) | |
317 | return 0; | |
318 | ||
319 | /* Update Age */ | |
320 | agea = ospf6_lsa_age_current(a); | |
321 | ageb = ospf6_lsa_age_current(b); | |
322 | ||
323 | /* MaxAge check */ | |
324 | if (agea == OSPF_LSA_MAXAGE && ageb != OSPF_LSA_MAXAGE) | |
325 | return -1; | |
326 | else if (agea != OSPF_LSA_MAXAGE && ageb == OSPF_LSA_MAXAGE) | |
327 | return 1; | |
328 | ||
329 | /* Age check */ | |
330 | if (agea > ageb && agea - ageb >= OSPF_LSA_MAXAGE_DIFF) | |
331 | return 1; | |
332 | else if (agea < ageb && ageb - agea >= OSPF_LSA_MAXAGE_DIFF) | |
333 | return -1; | |
334 | ||
335 | /* neither recent */ | |
336 | return 0; | |
337 | } | |
338 | ||
339 | char *ospf6_lsa_printbuf(struct ospf6_lsa *lsa, char *buf, int size) | |
340 | { | |
341 | char id[16], adv_router[16]; | |
342 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); | |
343 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
344 | sizeof(adv_router)); | |
345 | snprintf(buf, size, "[%s Id:%s Adv:%s]", | |
346 | ospf6_lstype_name(lsa->header->type), id, adv_router); | |
347 | return buf; | |
348 | } | |
349 | ||
350 | void ospf6_lsa_header_print_raw(struct ospf6_lsa_header *header) | |
351 | { | |
352 | char id[16], adv_router[16]; | |
353 | inet_ntop(AF_INET, &header->id, id, sizeof(id)); | |
354 | inet_ntop(AF_INET, &header->adv_router, adv_router, sizeof(adv_router)); | |
355 | zlog_debug(" [%s Id:%s Adv:%s]", ospf6_lstype_name(header->type), id, | |
356 | adv_router); | |
357 | zlog_debug(" Age: %4hu SeqNum: %#08lx Cksum: %04hx Len: %d", | |
d7c0a89a | 358 | ntohs(header->age), (unsigned long)ntohl(header->seqnum), |
d62a17ae | 359 | ntohs(header->checksum), ntohs(header->length)); |
360 | } | |
361 | ||
362 | void ospf6_lsa_header_print(struct ospf6_lsa *lsa) | |
363 | { | |
364 | ospf6_lsa_age_current(lsa); | |
365 | ospf6_lsa_header_print_raw(lsa->header); | |
366 | } | |
367 | ||
368 | void ospf6_lsa_show_summary_header(struct vty *vty) | |
369 | { | |
370 | vty_out(vty, "%-4s %-15s%-15s%4s %8s %30s\n", "Type", "LSId", | |
371 | "AdvRouter", "Age", "SeqNum", "Payload"); | |
372 | } | |
373 | ||
374 | void ospf6_lsa_show_summary(struct vty *vty, struct ospf6_lsa *lsa) | |
375 | { | |
376 | char adv_router[16], id[16]; | |
377 | int type; | |
3981b5c7 | 378 | const struct ospf6_lsa_handler *handler; |
d62a17ae | 379 | char buf[64], tmpbuf[80]; |
380 | int cnt = 0; | |
381 | ||
382 | assert(lsa); | |
383 | assert(lsa->header); | |
384 | ||
385 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); | |
386 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
387 | sizeof(adv_router)); | |
388 | ||
389 | type = ntohs(lsa->header->type); | |
390 | handler = ospf6_get_lsa_handler(lsa->header->type); | |
391 | if ((type == OSPF6_LSTYPE_INTER_PREFIX) | |
392 | || (type == OSPF6_LSTYPE_INTER_ROUTER) | |
393 | || (type == OSPF6_LSTYPE_AS_EXTERNAL)) { | |
394 | vty_out(vty, "%-4s %-15s%-15s%4hu %8lx %30s\n", | |
395 | ospf6_lstype_short_name(lsa->header->type), id, | |
396 | adv_router, ospf6_lsa_age_current(lsa), | |
d7c0a89a | 397 | (unsigned long)ntohl(lsa->header->seqnum), |
3981b5c7 | 398 | handler->lh_get_prefix_str(lsa, buf, sizeof(buf), 0)); |
d62a17ae | 399 | } else if (type != OSPF6_LSTYPE_UNKNOWN) { |
400 | sprintf(tmpbuf, "%-4s %-15s%-15s%4hu %8lx", | |
401 | ospf6_lstype_short_name(lsa->header->type), id, | |
402 | adv_router, ospf6_lsa_age_current(lsa), | |
d7c0a89a | 403 | (unsigned long)ntohl(lsa->header->seqnum)); |
d62a17ae | 404 | |
3981b5c7 | 405 | while (handler->lh_get_prefix_str(lsa, buf, sizeof(buf), cnt) |
d62a17ae | 406 | != NULL) { |
407 | vty_out(vty, "%s %30s\n", tmpbuf, buf); | |
408 | cnt++; | |
409 | } | |
410 | } else { | |
411 | vty_out(vty, "%-4s %-15s%-15s%4hu %8lx\n", | |
412 | ospf6_lstype_short_name(lsa->header->type), id, | |
413 | adv_router, ospf6_lsa_age_current(lsa), | |
d7c0a89a | 414 | (unsigned long)ntohl(lsa->header->seqnum)); |
e68a6767 | 415 | } |
d62a17ae | 416 | } |
417 | ||
418 | void ospf6_lsa_show_dump(struct vty *vty, struct ospf6_lsa *lsa) | |
419 | { | |
d7c0a89a | 420 | uint8_t *start, *end, *current; |
d62a17ae | 421 | char byte[4]; |
422 | ||
d7c0a89a QY |
423 | start = (uint8_t *)lsa->header; |
424 | end = (uint8_t *)lsa->header + ntohs(lsa->header->length); | |
d62a17ae | 425 | |
426 | vty_out(vty, "\n"); | |
427 | vty_out(vty, "%s:\n", lsa->name); | |
428 | ||
429 | for (current = start; current < end; current++) { | |
430 | if ((current - start) % 16 == 0) | |
431 | vty_out(vty, "\n "); | |
432 | else if ((current - start) % 4 == 0) | |
433 | vty_out(vty, " "); | |
434 | ||
435 | snprintf(byte, sizeof(byte), "%02x", *current); | |
436 | vty_out(vty, "%s", byte); | |
437 | } | |
438 | ||
439 | vty_out(vty, "\n\n"); | |
440 | return; | |
441 | } | |
442 | ||
443 | void ospf6_lsa_show_internal(struct vty *vty, struct ospf6_lsa *lsa) | |
444 | { | |
445 | char adv_router[64], id[64]; | |
446 | ||
447 | assert(lsa && lsa->header); | |
448 | ||
449 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); | |
450 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
451 | sizeof(adv_router)); | |
452 | ||
453 | vty_out(vty, "\n"); | |
454 | vty_out(vty, "Age: %4hu Type: %s\n", ospf6_lsa_age_current(lsa), | |
455 | ospf6_lstype_name(lsa->header->type)); | |
456 | vty_out(vty, "Link State ID: %s\n", id); | |
457 | vty_out(vty, "Advertising Router: %s\n", adv_router); | |
458 | vty_out(vty, "LS Sequence Number: %#010lx\n", | |
d7c0a89a | 459 | (unsigned long)ntohl(lsa->header->seqnum)); |
d62a17ae | 460 | vty_out(vty, "CheckSum: %#06hx Length: %hu\n", |
461 | ntohs(lsa->header->checksum), ntohs(lsa->header->length)); | |
462 | vty_out(vty, "Flag: %x \n", lsa->flag); | |
463 | vty_out(vty, "Lock: %d \n", lsa->lock); | |
464 | vty_out(vty, "ReTx Count: %d\n", lsa->retrans_count); | |
465 | vty_out(vty, "Threads: Expire: 0x%p, Refresh: 0x%p \n", | |
466 | (void *)lsa->expire, (void *)lsa->refresh); | |
467 | vty_out(vty, "\n"); | |
468 | return; | |
469 | } | |
470 | ||
471 | void ospf6_lsa_show(struct vty *vty, struct ospf6_lsa *lsa) | |
472 | { | |
473 | char adv_router[64], id[64]; | |
3981b5c7 | 474 | const struct ospf6_lsa_handler *handler; |
d62a17ae | 475 | struct timeval now, res; |
68bfcc05 | 476 | char duration[64]; |
d62a17ae | 477 | |
478 | assert(lsa && lsa->header); | |
479 | ||
480 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); | |
481 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
482 | sizeof(adv_router)); | |
483 | ||
484 | monotime(&now); | |
485 | timersub(&now, &lsa->installed, &res); | |
486 | timerstring(&res, duration, sizeof(duration)); | |
487 | ||
488 | vty_out(vty, "Age: %4hu Type: %s\n", ospf6_lsa_age_current(lsa), | |
489 | ospf6_lstype_name(lsa->header->type)); | |
490 | vty_out(vty, "Link State ID: %s\n", id); | |
491 | vty_out(vty, "Advertising Router: %s\n", adv_router); | |
492 | vty_out(vty, "LS Sequence Number: %#010lx\n", | |
d7c0a89a | 493 | (unsigned long)ntohl(lsa->header->seqnum)); |
d62a17ae | 494 | vty_out(vty, "CheckSum: %#06hx Length: %hu\n", |
495 | ntohs(lsa->header->checksum), ntohs(lsa->header->length)); | |
496 | vty_out(vty, "Duration: %s\n", duration); | |
497 | ||
498 | handler = ospf6_get_lsa_handler(lsa->header->type); | |
3981b5c7 VJ |
499 | |
500 | if (handler->lh_show != NULL) | |
501 | handler->lh_show(vty, lsa); | |
502 | else { | |
503 | assert(unknown_handler.lh_show != NULL); | |
504 | unknown_handler.lh_show(vty, lsa); | |
505 | } | |
d62a17ae | 506 | |
507 | vty_out(vty, "\n"); | |
6452df09 | 508 | } |
509 | ||
510 | /* OSPFv3 LSA creation/deletion function */ | |
d62a17ae | 511 | struct ospf6_lsa *ospf6_lsa_create(struct ospf6_lsa_header *header) |
718e3744 | 512 | { |
d62a17ae | 513 | struct ospf6_lsa *lsa = NULL; |
514 | struct ospf6_lsa_header *new_header = NULL; | |
d7c0a89a | 515 | uint16_t lsa_size = 0; |
718e3744 | 516 | |
d62a17ae | 517 | /* size of the entire LSA */ |
518 | lsa_size = ntohs(header->length); /* XXX vulnerable */ | |
718e3744 | 519 | |
d62a17ae | 520 | /* allocate memory for this LSA */ |
9f5dc319 | 521 | new_header = XMALLOC(MTYPE_OSPF6_LSA_HEADER, lsa_size); |
718e3744 | 522 | |
d62a17ae | 523 | /* copy LSA from original header */ |
524 | memcpy(new_header, header, lsa_size); | |
718e3744 | 525 | |
d62a17ae | 526 | /* LSA information structure */ |
527 | /* allocate memory */ | |
9f5dc319 | 528 | lsa = XCALLOC(MTYPE_OSPF6_LSA, sizeof(struct ospf6_lsa)); |
718e3744 | 529 | |
d62a17ae | 530 | lsa->header = (struct ospf6_lsa_header *)new_header; |
718e3744 | 531 | |
d62a17ae | 532 | /* dump string */ |
533 | ospf6_lsa_printbuf(lsa, lsa->name, sizeof(lsa->name)); | |
718e3744 | 534 | |
d62a17ae | 535 | /* calculate birth of this lsa */ |
536 | ospf6_lsa_age_set(lsa); | |
718e3744 | 537 | |
d62a17ae | 538 | return lsa; |
718e3744 | 539 | } |
540 | ||
d62a17ae | 541 | struct ospf6_lsa *ospf6_lsa_create_headeronly(struct ospf6_lsa_header *header) |
718e3744 | 542 | { |
d62a17ae | 543 | struct ospf6_lsa *lsa = NULL; |
544 | struct ospf6_lsa_header *new_header = NULL; | |
718e3744 | 545 | |
d62a17ae | 546 | /* allocate memory for this LSA */ |
9f5dc319 QY |
547 | new_header = XMALLOC(MTYPE_OSPF6_LSA_HEADER, |
548 | sizeof(struct ospf6_lsa_header)); | |
718e3744 | 549 | |
d62a17ae | 550 | /* copy LSA from original header */ |
551 | memcpy(new_header, header, sizeof(struct ospf6_lsa_header)); | |
718e3744 | 552 | |
d62a17ae | 553 | /* LSA information structure */ |
554 | /* allocate memory */ | |
9f5dc319 | 555 | lsa = XCALLOC(MTYPE_OSPF6_LSA, sizeof(struct ospf6_lsa)); |
718e3744 | 556 | |
d62a17ae | 557 | lsa->header = (struct ospf6_lsa_header *)new_header; |
558 | SET_FLAG(lsa->flag, OSPF6_LSA_HEADERONLY); | |
718e3744 | 559 | |
d62a17ae | 560 | /* dump string */ |
561 | ospf6_lsa_printbuf(lsa, lsa->name, sizeof(lsa->name)); | |
718e3744 | 562 | |
d62a17ae | 563 | /* calculate birth of this lsa */ |
564 | ospf6_lsa_age_set(lsa); | |
718e3744 | 565 | |
d62a17ae | 566 | return lsa; |
718e3744 | 567 | } |
568 | ||
d62a17ae | 569 | void ospf6_lsa_delete(struct ospf6_lsa *lsa) |
718e3744 | 570 | { |
d62a17ae | 571 | assert(lsa->lock == 0); |
718e3744 | 572 | |
d62a17ae | 573 | /* cancel threads */ |
574 | THREAD_OFF(lsa->expire); | |
575 | THREAD_OFF(lsa->refresh); | |
718e3744 | 576 | |
d62a17ae | 577 | /* do free */ |
d107621d | 578 | XFREE(MTYPE_OSPF6_LSA_HEADER, lsa->header); |
d62a17ae | 579 | XFREE(MTYPE_OSPF6_LSA, lsa); |
508e53e2 | 580 | } |
718e3744 | 581 | |
d62a17ae | 582 | struct ospf6_lsa *ospf6_lsa_copy(struct ospf6_lsa *lsa) |
508e53e2 | 583 | { |
d62a17ae | 584 | struct ospf6_lsa *copy = NULL; |
508e53e2 | 585 | |
d62a17ae | 586 | ospf6_lsa_age_current(lsa); |
587 | if (CHECK_FLAG(lsa->flag, OSPF6_LSA_HEADERONLY)) | |
588 | copy = ospf6_lsa_create_headeronly(lsa->header); | |
589 | else | |
590 | copy = ospf6_lsa_create(lsa->header); | |
591 | assert(copy->lock == 0); | |
508e53e2 | 592 | |
d62a17ae | 593 | copy->birth = lsa->birth; |
594 | copy->originated = lsa->originated; | |
595 | copy->received = lsa->received; | |
596 | copy->installed = lsa->installed; | |
597 | copy->lsdb = lsa->lsdb; | |
598 | copy->rn = NULL; | |
508e53e2 | 599 | |
d62a17ae | 600 | return copy; |
718e3744 | 601 | } |
602 | ||
508e53e2 | 603 | /* increment reference counter of struct ospf6_lsa */ |
d62a17ae | 604 | void ospf6_lsa_lock(struct ospf6_lsa *lsa) |
718e3744 | 605 | { |
d62a17ae | 606 | lsa->lock++; |
607 | return; | |
718e3744 | 608 | } |
609 | ||
508e53e2 | 610 | /* decrement reference counter of struct ospf6_lsa */ |
d62a17ae | 611 | void ospf6_lsa_unlock(struct ospf6_lsa *lsa) |
718e3744 | 612 | { |
d62a17ae | 613 | /* decrement reference counter */ |
614 | assert(lsa->lock > 0); | |
615 | lsa->lock--; | |
718e3744 | 616 | |
d62a17ae | 617 | if (lsa->lock != 0) |
618 | return; | |
508e53e2 | 619 | |
d62a17ae | 620 | ospf6_lsa_delete(lsa); |
718e3744 | 621 | } |
622 | ||
6b0655a2 | 623 | |
508e53e2 | 624 | /* ospf6 lsa expiry */ |
d62a17ae | 625 | int ospf6_lsa_expire(struct thread *thread) |
718e3744 | 626 | { |
d62a17ae | 627 | struct ospf6_lsa *lsa; |
718e3744 | 628 | |
d62a17ae | 629 | lsa = (struct ospf6_lsa *)THREAD_ARG(thread); |
718e3744 | 630 | |
d62a17ae | 631 | assert(lsa && lsa->header); |
632 | assert(OSPF6_LSA_IS_MAXAGE(lsa)); | |
633 | assert(!lsa->refresh); | |
718e3744 | 634 | |
d62a17ae | 635 | lsa->expire = (struct thread *)NULL; |
718e3744 | 636 | |
d62a17ae | 637 | if (IS_OSPF6_DEBUG_LSA_TYPE(lsa->header->type)) { |
638 | zlog_debug("LSA Expire:"); | |
639 | ospf6_lsa_header_print(lsa); | |
640 | } | |
718e3744 | 641 | |
d62a17ae | 642 | if (CHECK_FLAG(lsa->flag, OSPF6_LSA_HEADERONLY)) |
643 | return 0; /* dbexchange will do something ... */ | |
718e3744 | 644 | |
d62a17ae | 645 | /* reinstall lsa */ |
646 | ospf6_install_lsa(lsa); | |
508e53e2 | 647 | |
d62a17ae | 648 | /* reflood lsa */ |
649 | ospf6_flood(NULL, lsa); | |
bf986da7 | 650 | |
d62a17ae | 651 | /* schedule maxage remover */ |
652 | ospf6_maxage_remove(ospf6); | |
718e3744 | 653 | |
d62a17ae | 654 | return 0; |
718e3744 | 655 | } |
656 | ||
d62a17ae | 657 | int ospf6_lsa_refresh(struct thread *thread) |
718e3744 | 658 | { |
d62a17ae | 659 | struct ospf6_lsa *old, *self, *new; |
660 | struct ospf6_lsdb *lsdb_self; | |
6452df09 | 661 | |
d62a17ae | 662 | old = (struct ospf6_lsa *)THREAD_ARG(thread); |
663 | assert(old && old->header); | |
6452df09 | 664 | |
d62a17ae | 665 | old->refresh = (struct thread *)NULL; |
6452df09 | 666 | |
d62a17ae | 667 | lsdb_self = ospf6_get_scoped_lsdb_self(old); |
668 | self = ospf6_lsdb_lookup(old->header->type, old->header->id, | |
669 | old->header->adv_router, lsdb_self); | |
670 | if (self == NULL) { | |
671 | if (IS_OSPF6_DEBUG_LSA_TYPE(old->header->type)) | |
672 | zlog_debug("Refresh: could not find self LSA, flush %s", | |
673 | old->name); | |
674 | ospf6_lsa_premature_aging(old); | |
675 | return 0; | |
676 | } | |
718e3744 | 677 | |
d62a17ae | 678 | /* Reset age, increment LS sequence number. */ |
679 | self->header->age = htons(0); | |
680 | self->header->seqnum = | |
681 | ospf6_new_ls_seqnum(self->header->type, self->header->id, | |
682 | self->header->adv_router, old->lsdb); | |
683 | ospf6_lsa_checksum(self->header); | |
684 | ||
685 | new = ospf6_lsa_create(self->header); | |
686 | new->lsdb = old->lsdb; | |
687 | new->refresh = NULL; | |
688 | thread_add_timer(master, ospf6_lsa_refresh, new, OSPF_LS_REFRESH_TIME, | |
689 | &new->refresh); | |
690 | ||
691 | /* store it in the LSDB for self-originated LSAs */ | |
692 | ospf6_lsdb_add(ospf6_lsa_copy(new), lsdb_self); | |
693 | ||
694 | if (IS_OSPF6_DEBUG_LSA_TYPE(new->header->type)) { | |
695 | zlog_debug("LSA Refresh:"); | |
696 | ospf6_lsa_header_print(new); | |
697 | } | |
718e3744 | 698 | |
d62a17ae | 699 | ospf6_install_lsa(new); |
700 | ospf6_flood(NULL, new); | |
6452df09 | 701 | |
d62a17ae | 702 | return 0; |
718e3744 | 703 | } |
704 | ||
76249532 CS |
705 | void ospf6_flush_self_originated_lsas_now(void) |
706 | { | |
707 | struct listnode *node; | |
708 | struct ospf6_area *oa; | |
709 | struct ospf6_lsa *lsa; | |
710 | const struct route_node *end = NULL; | |
711 | uint32_t type, adv_router; | |
712 | ||
713 | ospf6->inst_shutdown = 1; | |
714 | ||
715 | for (ALL_LIST_ELEMENTS_RO(ospf6->area_list, node, oa)) { | |
996c9314 LB |
716 | end = ospf6_lsdb_head(oa->lsdb_self, 0, 0, ospf6->router_id, |
717 | &lsa); | |
76249532 CS |
718 | while (lsa) { |
719 | /* RFC 2328 (14.1): Set MAXAGE */ | |
720 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
721 | /* Flood MAXAGE LSA*/ | |
722 | ospf6_flood(NULL, lsa); | |
723 | ||
724 | lsa = ospf6_lsdb_next(end, lsa); | |
725 | } | |
726 | } | |
727 | ||
728 | type = htons(OSPF6_LSTYPE_AS_EXTERNAL); | |
729 | adv_router = ospf6->router_id; | |
730 | for (ALL_LSDB_TYPED_ADVRTR(ospf6->lsdb, type, adv_router, lsa)) { | |
731 | /* RFC 2328 (14.1): Set MAXAGE */ | |
732 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
733 | ospf6_flood(NULL, lsa); | |
734 | } | |
735 | } | |
6b0655a2 | 736 | |
d8a4e42b | 737 | /* Fletcher Checksum -- Refer to RFC1008. */ |
718e3744 | 738 | |
d8a4e42b JR |
739 | /* All the offsets are zero-based. The offsets in the RFC1008 are |
740 | one-based. */ | |
d62a17ae | 741 | unsigned short ospf6_lsa_checksum(struct ospf6_lsa_header *lsa_header) |
718e3744 | 742 | { |
d7c0a89a QY |
743 | uint8_t *buffer = (uint8_t *)&lsa_header->type; |
744 | int type_offset = | |
745 | buffer - (uint8_t *)&lsa_header->age; /* should be 2 */ | |
718e3744 | 746 | |
d62a17ae | 747 | /* Skip the AGE field */ |
d7c0a89a | 748 | uint16_t len = ntohs(lsa_header->length) - type_offset; |
718e3744 | 749 | |
d62a17ae | 750 | /* Checksum offset starts from "type" field, not the beginning of the |
751 | lsa_header struct. The offset is 14, rather than 16. */ | |
d7c0a89a | 752 | int checksum_offset = (uint8_t *)&lsa_header->checksum - buffer; |
d8a4e42b | 753 | |
d62a17ae | 754 | return (unsigned short)fletcher_checksum(buffer, len, checksum_offset); |
d8a4e42b | 755 | } |
718e3744 | 756 | |
d62a17ae | 757 | int ospf6_lsa_checksum_valid(struct ospf6_lsa_header *lsa_header) |
d8a4e42b | 758 | { |
d7c0a89a QY |
759 | uint8_t *buffer = (uint8_t *)&lsa_header->type; |
760 | int type_offset = | |
761 | buffer - (uint8_t *)&lsa_header->age; /* should be 2 */ | |
718e3744 | 762 | |
d62a17ae | 763 | /* Skip the AGE field */ |
d7c0a89a | 764 | uint16_t len = ntohs(lsa_header->length) - type_offset; |
718e3744 | 765 | |
d62a17ae | 766 | return (fletcher_checksum(buffer, len, FLETCHER_CHECKSUM_VALIDATE) |
767 | == 0); | |
718e3744 | 768 | } |
769 | ||
d62a17ae | 770 | void ospf6_lsa_init(void) |
6452df09 | 771 | { |
d62a17ae | 772 | ospf6_lsa_handler_vector = vector_init(0); |
773 | ospf6_install_lsa_handler(&unknown_handler); | |
718e3744 | 774 | } |
775 | ||
d62a17ae | 776 | void ospf6_lsa_terminate(void) |
ae2254aa | 777 | { |
d62a17ae | 778 | vector_free(ospf6_lsa_handler_vector); |
ae2254aa | 779 | } |
6b0655a2 | 780 | |
3981b5c7 | 781 | static char *ospf6_lsa_handler_name(const struct ospf6_lsa_handler *h) |
1e05838a | 782 | { |
d62a17ae | 783 | static char buf[64]; |
784 | unsigned int i; | |
3981b5c7 | 785 | unsigned int size = strlen(h->lh_name); |
1e05838a | 786 | |
996c9314 LB |
787 | if (!strcmp(h->lh_name, "unknown") |
788 | && h->lh_type != OSPF6_LSTYPE_UNKNOWN) { | |
3981b5c7 | 789 | snprintf(buf, sizeof(buf), "%#04hx", h->lh_type); |
d62a17ae | 790 | return buf; |
791 | } | |
1e05838a | 792 | |
d62a17ae | 793 | for (i = 0; i < MIN(size, sizeof(buf)); i++) { |
3981b5c7 VJ |
794 | if (!islower((unsigned char)h->lh_name[i])) |
795 | buf[i] = tolower((unsigned char)h->lh_name[i]); | |
d62a17ae | 796 | else |
3981b5c7 | 797 | buf[i] = h->lh_name[i]; |
d62a17ae | 798 | } |
799 | buf[size] = '\0'; | |
800 | return buf; | |
1e05838a | 801 | } |
718e3744 | 802 | |
1e05838a | 803 | DEFUN (debug_ospf6_lsa_type, |
804 | debug_ospf6_lsa_hex_cmd, | |
6de69f83 | 805 | "debug ospf6 lsa <router|network|inter-prefix|inter-router|as-external|link|intra-prefix|unknown> [<originate|examine|flooding>]", |
508e53e2 | 806 | DEBUG_STR |
807 | OSPF6_STR | |
808 | "Debug Link State Advertisements (LSAs)\n" | |
3a2d747c QY |
809 | "Display Router LSAs\n" |
810 | "Display Network LSAs\n" | |
811 | "Display Inter-Area-Prefix LSAs\n" | |
812 | "Display Inter-Router LSAs\n" | |
813 | "Display As-External LSAs\n" | |
814 | "Display Link LSAs\n" | |
815 | "Display Intra-Area-Prefix LSAs\n" | |
816 | "Display LSAs of unknown origin\n" | |
817 | "Display details of LSAs\n" | |
818 | "Dump LSAs\n" | |
819 | "Display LSA's internal information\n") | |
508e53e2 | 820 | { |
d62a17ae | 821 | int idx_lsa = 3; |
822 | int idx_type = 4; | |
823 | unsigned int i; | |
824 | struct ospf6_lsa_handler *handler = NULL; | |
825 | ||
826 | for (i = 0; i < vector_active(ospf6_lsa_handler_vector); i++) { | |
827 | handler = vector_slot(ospf6_lsa_handler_vector, i); | |
828 | if (handler == NULL) | |
829 | continue; | |
830 | if (strncmp(argv[idx_lsa]->arg, ospf6_lsa_handler_name(handler), | |
831 | strlen(argv[idx_lsa]->arg)) | |
832 | == 0) | |
833 | break; | |
3981b5c7 | 834 | if (!strcasecmp(argv[idx_lsa]->arg, handler->lh_name)) |
d62a17ae | 835 | break; |
836 | handler = NULL; | |
837 | } | |
838 | ||
839 | if (handler == NULL) | |
840 | handler = &unknown_handler; | |
841 | ||
842 | if (argc == 5) { | |
843 | if (strmatch(argv[idx_type]->text, "originate")) | |
01db90cd | 844 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_ORIGINATE); |
d62a17ae | 845 | else if (strmatch(argv[idx_type]->text, "examine")) |
01db90cd | 846 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_EXAMIN); |
d62a17ae | 847 | else if (strmatch(argv[idx_type]->text, "flooding")) |
01db90cd | 848 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_FLOOD); |
d62a17ae | 849 | } else |
01db90cd | 850 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG); |
d62a17ae | 851 | |
852 | return CMD_SUCCESS; | |
508e53e2 | 853 | } |
854 | ||
1e05838a | 855 | DEFUN (no_debug_ospf6_lsa_type, |
856 | no_debug_ospf6_lsa_hex_cmd, | |
6de69f83 | 857 | "no debug ospf6 lsa <router|network|inter-prefix|inter-router|as-external|link|intra-prefix|unknown> [<originate|examine|flooding>]", |
508e53e2 | 858 | NO_STR |
859 | DEBUG_STR | |
860 | OSPF6_STR | |
861 | "Debug Link State Advertisements (LSAs)\n" | |
16cedbb0 QY |
862 | "Display Router LSAs\n" |
863 | "Display Network LSAs\n" | |
864 | "Display Inter-Area-Prefix LSAs\n" | |
3a2d747c | 865 | "Display Inter-Router LSAs\n" |
16cedbb0 QY |
866 | "Display As-External LSAs\n" |
867 | "Display Link LSAs\n" | |
868 | "Display Intra-Area-Prefix LSAs\n" | |
3a2d747c | 869 | "Display LSAs of unknown origin\n" |
16cedbb0 QY |
870 | "Display details of LSAs\n" |
871 | "Dump LSAs\n" | |
872 | "Display LSA's internal information\n") | |
508e53e2 | 873 | { |
d62a17ae | 874 | int idx_lsa = 4; |
875 | int idx_type = 5; | |
d7c0a89a | 876 | unsigned int i; |
d62a17ae | 877 | struct ospf6_lsa_handler *handler = NULL; |
878 | ||
879 | for (i = 0; i < vector_active(ospf6_lsa_handler_vector); i++) { | |
880 | handler = vector_slot(ospf6_lsa_handler_vector, i); | |
881 | if (handler == NULL) | |
882 | continue; | |
883 | if (strncmp(argv[idx_lsa]->arg, ospf6_lsa_handler_name(handler), | |
884 | strlen(argv[idx_lsa]->arg)) | |
885 | == 0) | |
886 | break; | |
3981b5c7 | 887 | if (!strcasecmp(argv[idx_lsa]->arg, handler->lh_name)) |
d62a17ae | 888 | break; |
889 | } | |
718e3744 | 890 | |
d62a17ae | 891 | if (handler == NULL) |
892 | return CMD_SUCCESS; | |
893 | ||
894 | if (argc == 6) { | |
895 | if (strmatch(argv[idx_type]->text, "originate")) | |
01db90cd DL |
896 | UNSET_FLAG(handler->lh_debug, |
897 | OSPF6_LSA_DEBUG_ORIGINATE); | |
d62a17ae | 898 | if (strmatch(argv[idx_type]->text, "examine")) |
01db90cd | 899 | UNSET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_EXAMIN); |
d62a17ae | 900 | if (strmatch(argv[idx_type]->text, "flooding")) |
01db90cd | 901 | UNSET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_FLOOD); |
d62a17ae | 902 | } else |
01db90cd | 903 | UNSET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG); |
d62a17ae | 904 | |
905 | return CMD_SUCCESS; | |
906 | } | |
907 | ||
908 | void install_element_ospf6_debug_lsa(void) | |
909 | { | |
910 | install_element(ENABLE_NODE, &debug_ospf6_lsa_hex_cmd); | |
911 | install_element(ENABLE_NODE, &no_debug_ospf6_lsa_hex_cmd); | |
912 | install_element(CONFIG_NODE, &debug_ospf6_lsa_hex_cmd); | |
913 | install_element(CONFIG_NODE, &no_debug_ospf6_lsa_hex_cmd); | |
914 | } | |
915 | ||
916 | int config_write_ospf6_debug_lsa(struct vty *vty) | |
917 | { | |
d7c0a89a | 918 | unsigned int i; |
3981b5c7 | 919 | const struct ospf6_lsa_handler *handler; |
d62a17ae | 920 | |
921 | for (i = 0; i < vector_active(ospf6_lsa_handler_vector); i++) { | |
922 | handler = vector_slot(ospf6_lsa_handler_vector, i); | |
923 | if (handler == NULL) | |
924 | continue; | |
01db90cd | 925 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG)) |
d62a17ae | 926 | vty_out(vty, "debug ospf6 lsa %s\n", |
927 | ospf6_lsa_handler_name(handler)); | |
01db90cd | 928 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_ORIGINATE)) |
d62a17ae | 929 | vty_out(vty, "debug ospf6 lsa %s originate\n", |
930 | ospf6_lsa_handler_name(handler)); | |
01db90cd | 931 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_EXAMIN)) |
d62a17ae | 932 | vty_out(vty, "debug ospf6 lsa %s examine\n", |
933 | ospf6_lsa_handler_name(handler)); | |
01db90cd | 934 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_FLOOD)) |
d62a17ae | 935 | vty_out(vty, "debug ospf6 lsa %s flooding\n", |
936 | ospf6_lsa_handler_name(handler)); | |
937 | } | |
718e3744 | 938 | |
d62a17ae | 939 | return 0; |
940 | } |