1/* 2 * Copyright (C) 1999 Yasuhiro Ohara 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 * 16 * You should have received a copy of the GNU General Public License 17 * along with GNU Zebra; see the file COPYING. If not, write to the 18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 19 * Boston, MA 02111-1307, USA. 20 */ 21 22#include "ospf6d.h" 23 24#include <zebra.h> 25 26#include "log.h" 27#include "thread.h" 28#include "linklist.h" 29#include "vty.h" 30#include "command.h" 31 32#include "ospf6_lsa.h" 33#include "ospf6_message.h" 34#include "ospf6_neighbor.h" 35#include "ospf6_nsm.h" 36#include "ospf6_lsa.h" 37#include "ospf6_lsdb.h" 38 39char *ospf6_neighbor_state_string[] = 40{ 41 "None", "Down", "Attempt", "Init", "Twoway", 42 "ExStart", "ExChange", "Loading", "Full", NULL 43}; 44 45int 46ospf6_neighbor_last_dbdesc_release (struct thread *thread) 47{ 48 struct ospf6_neighbor *o6n; 49 50 o6n = (struct ospf6_neighbor *) THREAD_ARG (thread); 51 assert (o6n); 52 memset (&o6n->last_dd, 0, sizeof (struct ospf6_dbdesc)); 53 return 0; 54} 55 56 57 58void 59ospf6_neighbor_thread_cancel_all (struct ospf6_neighbor *o6n) 60{ 61 if (o6n->inactivity_timer) 62 thread_cancel (o6n->inactivity_timer); 63 o6n->inactivity_timer = (struct thread *) NULL; 64 65 if (o6n->send_update) 66 thread_cancel (o6n->send_update); 67 o6n->send_update = (struct thread *) NULL; 68 69 if (o6n->thread_send_dbdesc) 70 thread_cancel (o6n->thread_send_dbdesc); 71 o6n->thread_send_dbdesc = (struct thread *) NULL; 72 if (o6n->thread_rxmt_dbdesc) 73 thread_cancel (o6n->thread_rxmt_dbdesc); 74 o6n->thread_rxmt_dbdesc = (struct thread *) NULL; 75 76 if (o6n->thread_rxmt_lsreq) 77 thread_cancel (o6n->thread_rxmt_lsreq); 78 o6n->thread_rxmt_lsreq = (struct thread *) NULL; 79} 80 81void 82ospf6_neighbor_lslist_clear (struct ospf6_neighbor *nei) 83{ 84 ospf6_lsdb_remove_all (nei->summary_list); 85 ospf6_lsdb_remove_all (nei->request_list); 86 ospf6_lsdb_remove_all (nei->retrans_list); 87 ospf6_lsdb_remove_all (nei->dbdesc_list); 88} 89 90void 91ospf6_neighbor_summary_add (struct ospf6_lsa *lsa, 92 struct ospf6_neighbor *nei) 93{ 94 struct ospf6_lsa *summary; 95 96 if (IS_OSPF6_DUMP_NEIGHBOR) 97 { 98 zlog_info ("Neighbor %s summary-list:", nei->str); 99 zlog_info (" Add %s", lsa->str); 100 } 101 102 ospf6_lsa_age_current (lsa); 103 summary = ospf6_lsa_summary_create (lsa->header); 104 ospf6_lsdb_add (summary, nei->summary_list); 105} 106 107void 108ospf6_neighbor_summary_remove (struct ospf6_lsa *lsa, 109 struct ospf6_neighbor *nei) 110{ 111 struct ospf6_lsa *summary; 112 113 if (IS_OSPF6_DUMP_NEIGHBOR) 114 { 115 zlog_info ("Neighbor %s summary-list:", nei->str); 116 zlog_info (" Remove %s", lsa->str); 117 } 118 119 summary = ospf6_lsdb_lookup_lsdb (lsa->header->type, lsa->header->id, 120 lsa->header->adv_router, nei->summary_list); 121 ospf6_lsdb_remove (summary, nei->summary_list); 122} 123 124void 125ospf6_neighbor_request_add (struct ospf6_lsa *lsa, 126 struct ospf6_neighbor *nei) 127{ 128 struct ospf6_lsa *summary; 129 130 if (IS_OSPF6_DUMP_NEIGHBOR) 131 { 132 zlog_info ("Neighbor %s request-list:", nei->str); 133 zlog_info (" Add %s", lsa->str); 134 } 135 136 ospf6_lsa_age_current (lsa); 137 summary = ospf6_lsa_summary_create (lsa->header); 138 ospf6_lsdb_add (summary, nei->request_list); 139} 140 141void 142ospf6_neighbor_request_remove (struct ospf6_lsa *lsa, 143 struct ospf6_neighbor *nei) 144{ 145 struct ospf6_lsa *summary; 146 147 if (IS_OSPF6_DUMP_NEIGHBOR) 148 { 149 zlog_info ("Neighbor %s request-list:", nei->str); 150 zlog_info (" Remove %s", lsa->str); 151 } 152 153 summary = ospf6_lsdb_lookup_lsdb (lsa->header->type, lsa->header->id, 154 lsa->header->adv_router, nei->request_list); 155 ospf6_lsdb_remove (summary, nei->request_list); 156} 157 158void 159ospf6_neighbor_retrans_add (struct ospf6_lsa *lsa, 160 struct ospf6_neighbor *nei) 161{ 162 if (IS_OSPF6_DUMP_NEIGHBOR) 163 { 164 zlog_info ("Neighbor %s retrans-list:", nei->str); 165 zlog_info (" Add %s", lsa->str); 166 } 167 168 ospf6_lsdb_add (lsa, nei->retrans_list); 169} 170 171void 172ospf6_neighbor_retrans_remove (struct ospf6_lsa *lsa, 173 struct ospf6_neighbor *nei) 174{ 175 if (IS_OSPF6_DUMP_NEIGHBOR) 176 { 177 zlog_info ("Neighbor %s retrans-list:", nei->str); 178 zlog_info (" Remove %s", lsa->str); 179 } 180 181 ospf6_lsdb_remove (lsa, nei->retrans_list); 182} 183 184void 185ospf6_neighbor_dbdesc_add (struct ospf6_lsa *lsa, 186 struct ospf6_neighbor *nei) 187{ 188 if (IS_OSPF6_DUMP_NEIGHBOR) 189 { 190 zlog_info ("Neighbor %s dbdesc-list:", nei->str); 191 zlog_info (" Add %s", lsa->str); 192 } 193 194 ospf6_lsdb_add (lsa, nei->dbdesc_list); 195} 196 197void 198ospf6_neighbor_dbdesc_remove (struct ospf6_lsa *lsa, 199 struct ospf6_neighbor *nei) 200{ 201 if (IS_OSPF6_DUMP_NEIGHBOR) 202 { 203 zlog_info ("Neighbor %s dbdesc-list:", nei->str); 204 zlog_info (" Remove %s", lsa->str); 205 } 206 207 ospf6_lsdb_remove (lsa, nei->dbdesc_list); 208} 209 210 211/* prepare summary-list of his neighbor structure */ 212void 213ospf6_neighbor_dbex_init (struct ospf6_neighbor *nei) 214{ 215 struct ospf6_lsdb_node node; 216 217 /* clear ls-list */ 218 ospf6_neighbor_lslist_clear (nei); 219 220 /* AS scope LSAs */ 221 for (ospf6_lsdb_head (&node, nei->ospf6_interface->area->ospf6->lsdb); 222 ! ospf6_lsdb_is_end (&node); ospf6_lsdb_next (&node)) 223 { 224 if (IS_LSA_MAXAGE (node.lsa)) 225 ospf6_neighbor_retrans_add (node.lsa, nei); 226 else 227 ospf6_neighbor_summary_add (node.lsa, nei); 228 } 229 230 /* AREA scope LSAs */ 231 for (ospf6_lsdb_head (&node, nei->ospf6_interface->area->lsdb); 232 ! ospf6_lsdb_is_end (&node); ospf6_lsdb_next (&node)) 233 { 234 if (IS_LSA_MAXAGE (node.lsa)) 235 ospf6_neighbor_retrans_add (node.lsa, nei); 236 else 237 ospf6_neighbor_summary_add (node.lsa, nei); 238 } 239 240 /* INTERFACE scope LSAs */ 241 for (ospf6_lsdb_head (&node, nei->ospf6_interface->lsdb); 242 ! ospf6_lsdb_is_end (&node); ospf6_lsdb_next (&node)) 243 { 244 if (IS_LSA_MAXAGE (node.lsa)) 245 ospf6_neighbor_retrans_add (node.lsa, nei); 246 else 247 ospf6_neighbor_summary_add (node.lsa, nei); 248 } 249} 250 251/* create ospf6_neighbor */ 252struct ospf6_neighbor * 253ospf6_neighbor_create (u_int32_t router_id, struct ospf6_interface *o6i) 254{ 255 struct ospf6_neighbor *new; 256 char buf[32]; 257 258 new = (struct ospf6_neighbor *) 259 XMALLOC (MTYPE_OSPF6_NEIGHBOR, sizeof (struct ospf6_neighbor)); 260 if (new == NULL) 261 { 262 zlog_warn ("neighbor: malloc failed"); 263 return NULL; 264 } 265 266 memset (new, 0, sizeof (struct ospf6_neighbor)); 267 268 new->state = OSPF6_NEIGHBOR_STATE_DOWN; 269 270 new->router_id = router_id; 271 inet_ntop (AF_INET, &router_id, buf, sizeof (buf)); 272 snprintf (new->str, sizeof (new->str), "%s%%%s", buf, o6i->interface->name); 273 new->inactivity_timer = (struct thread *) NULL; 274 275 new->summary_list = ospf6_lsdb_create (); 276 new->request_list = ospf6_lsdb_create (); 277 new->retrans_list = ospf6_lsdb_create (); 278 new->dbdesc_list = ospf6_lsdb_create (); 279 280 listnode_add (o6i->neighbor_list, new); 281 new->ospf6_interface = o6i; 282 283 CALL_ADD_HOOK (&neighbor_hook, new); 284 285 return new; 286} 287 288void 289ospf6_neighbor_delete (struct ospf6_neighbor *o6n) 290{ 291 CALL_REMOVE_HOOK (&neighbor_hook, o6n); 292 293 ospf6_neighbor_thread_cancel_all (o6n); 294 ospf6_neighbor_lslist_clear (o6n); 295 296 list_free (o6n->dbdesc_lsa); 297 298 ospf6_lsdb_delete (o6n->summary_list); 299 ospf6_lsdb_delete (o6n->request_list); 300 ospf6_lsdb_delete (o6n->retrans_list); 301 ospf6_lsdb_delete (o6n->dbdesc_list); 302 303 XFREE (MTYPE_OSPF6_NEIGHBOR, o6n); 304} 305 306struct ospf6_neighbor * 307ospf6_neighbor_lookup (u_int32_t router_id, 308 struct ospf6_interface *o6i) 309{ 310 listnode n; 311 struct ospf6_neighbor *o6n; 312 313 for (n = listhead (o6i->neighbor_list); n; nextnode (n)) 314 { 315 o6n = (struct ospf6_neighbor *) getdata (n); 316 if (o6n->router_id == router_id) 317 return o6n; 318 } 319 return (struct ospf6_neighbor *) NULL; 320} 321 322 323/* vty functions */ 324/* show neighbor structure */ 325void 326ospf6_neighbor_show_summary (struct vty *vty, struct ospf6_neighbor *o6n) 327{ 328 char router_id[16]; 329 char dr[16], bdr[16]; 330 char duration[16]; 331 struct timeval now, res; 332 333/* 334 vty_out (vty, "%-15s %6s/%-11s %-15s %-15s %s[%s]%s", 335 "RouterID", "State", "Duration", "DR", "BDR", "I/F", 336 "State", VTY_NEWLINE); 337*/ 338 339 inet_ntop (AF_INET, &o6n->router_id, router_id, sizeof (router_id)); 340 inet_ntop (AF_INET, &o6n->dr, dr, sizeof (dr)); 341 inet_ntop (AF_INET, &o6n->bdr, bdr, sizeof (bdr)); 342 343 gettimeofday (&now, NULL); 344 ospf6_timeval_sub (&now, &o6n->last_changed, &res); 345 ospf6_timeval_string_summary (&res, duration, sizeof (duration)); 346 347 vty_out (vty, "%-15s %6s/%-11s %-15s %-15s %s[%s]%s", 348 router_id, ospf6_neighbor_state_string[o6n->state], 349 duration, dr, bdr, o6n->ospf6_interface->interface->name, 350 ospf6_interface_state_string[o6n->ospf6_interface->state], 351 VTY_NEWLINE); 352} 353 354void 355ospf6_neighbor_show (struct vty *vty, struct ospf6_neighbor *o6n) 356{ 357 char hisaddr[64], timestring[32]; 358 struct timeval now, res; 359 360 inet_ntop (AF_INET6, &o6n->hisaddr, hisaddr, sizeof (hisaddr)); 361 vty_out (vty, " Neighbor %s, interface address %s%s", 362 o6n->str, hisaddr, VTY_NEWLINE); 363 vty_out (vty, " Area %s via interface %s (ifindex %d)%s", 364 o6n->ospf6_interface->area->str, 365 o6n->ospf6_interface->interface->name, 366 o6n->ospf6_interface->interface->ifindex, 367 VTY_NEWLINE); 368 vty_out (vty, " Priority: %d, State: %s, %d state changes%s", 369 o6n->priority, ospf6_neighbor_state_string[o6n->state], 370 o6n->ospf6_stat_state_changed, VTY_NEWLINE); 371 372 gettimeofday (&now, NULL); 373 ospf6_timeval_sub (&now, &o6n->last_changed, &res); 374 ospf6_timeval_string_summary (&res, timestring, sizeof (timestring)); 375 vty_out (vty, " Last state changed: %s ago%s", timestring, VTY_NEWLINE); 376} 377 378void 379ospf6_neighbor_show_detail (struct vty *vty, struct ospf6_neighbor *o6n) 380{ 381 char hisdr[16], hisbdr[16]; 382 383 ospf6_neighbor_show (vty, o6n); 384 385 inet_ntop (AF_INET, &o6n->dr, hisdr, sizeof (hisdr)); 386 inet_ntop (AF_INET, &o6n->bdr, hisbdr, sizeof (hisbdr)); 387 388 vty_out (vty, " His Ifindex of myside: %d%s", 389 o6n->ifid, VTY_NEWLINE); 390 vty_out (vty, " His DR Election: DR %s, BDR %s%s", 391 hisdr, hisbdr, VTY_NEWLINE); 392 393 vty_out (vty, " Last received DbDesc: opt:%s" 394 " ifmtu:%hu bit:%s%s%s seqnum:%ld%s", 395 "xxx", ntohs (o6n->last_dd.ifmtu), 396 (DD_IS_IBIT_SET (o6n->last_dd.bits) ? "I" : "-"), 397 (DD_IS_MBIT_SET (o6n->last_dd.bits) ? "M" : "-"), 398 (DD_IS_MSBIT_SET (o6n->last_dd.bits) ? "m" : "s"), 399 (u_long)ntohl (o6n->last_dd.seqnum), VTY_NEWLINE); 400 vty_out (vty, " My DbDesc bit for this neighbor: %s%s%s%s", 401 (DD_IS_IBIT_SET (o6n->dbdesc_bits) ? "I" : "-"), 402 (DD_IS_MBIT_SET (o6n->dbdesc_bits) ? "M" : "-"), 403 (DD_IS_MSBIT_SET (o6n->dbdesc_bits) ? "m" : "s"), 404 VTY_NEWLINE); 405 406 vty_out (vty, " %-16s %5d times, %-16s %5d times%s", 407 "SeqnumMismatch", o6n->ospf6_stat_seqnum_mismatch, 408 "BadLSReq", o6n->ospf6_stat_bad_lsreq, VTY_NEWLINE); 409 vty_out (vty, " %-16s %5d times, %-16s %5d times%s", 410 "OnewayReceived", o6n->ospf6_stat_oneway_received, 411 "InactivityTimer", o6n->ospf6_stat_inactivity_timer, 412 VTY_NEWLINE); 413 vty_out (vty, " %-16s %5d times, %-16s %5d times%s", 414 "DbDescRetrans", o6n->ospf6_stat_retrans_dbdesc, 415 "LSReqRetrans", o6n->ospf6_stat_retrans_lsreq, 416 VTY_NEWLINE); 417 vty_out (vty, " %-16s %5d times%s", 418 "LSUpdateRetrans", o6n->ospf6_stat_retrans_lsupdate, 419 VTY_NEWLINE); 420 vty_out (vty, " %-16s %5d times, %-16s %5d times%s", 421 "LSAReceived", o6n->ospf6_stat_received_lsa, 422 "LSUpdateReceived", o6n->ospf6_stat_received_lsupdate, 423 VTY_NEWLINE); 424 425 vty_out (vty, " %-12s %-12s %-12s%s", 426 "Message", "DbDesc", "LSReq", VTY_NEWLINE); 427 vty_out (vty, " %-12s %12d %12d%s", "LSA Send", 428 o6n->lsa_send[OSPF6_MESSAGE_TYPE_DBDESC], 429 o6n->lsa_send[OSPF6_MESSAGE_TYPE_LSREQ], VTY_NEWLINE); 430 vty_out (vty, " %-12s %12d %12d%s", "LSA Receive", 431 o6n->lsa_receive[OSPF6_MESSAGE_TYPE_DBDESC], 432 o6n->lsa_receive[OSPF6_MESSAGE_TYPE_LSREQ], VTY_NEWLINE); 433 vty_out (vty, "%s", VTY_NEWLINE); 434} 435 436void 437ospf6_neighbor_timestamp_hello (struct ospf6_neighbor *o6n) 438{ 439 struct timeval now, interval; 440 gettimeofday (&now, (struct timezone *) NULL); 441 if (o6n->tv_last_hello_received.tv_sec) 442 { 443 ospf6_timeval_sub (&now, &o6n->tv_last_hello_received, &interval); 444 zlog_info ("Hello Interval %s : %ld msec", 445 o6n->str, interval.tv_sec * 1000 + interval.tv_usec % 1000); 446 } 447 o6n->tv_last_hello_received.tv_sec = now.tv_sec; 448 o6n->tv_last_hello_received.tv_usec = now.tv_usec; 449} 450 451DEFUN (show_ipv6_ospf6_neighbor_routerid, 452 show_ipv6_ospf6_neighbor_routerid_cmd, 453 "show ipv6 ospf6 neighbor A.B.C.D", 454 SHOW_STR 455 IP6_STR 456 OSPF6_STR 457 "Neighbor list\n" 458 "OSPF6 neighbor Router ID in IP address format\n" 459 ) 460{ 461 u_int32_t router_id; 462 struct ospf6_neighbor *o6n; 463 struct ospf6_interface *o6i; 464 struct ospf6_area *o6a; 465 listnode nodei, nodej, nodek; 466 467 OSPF6_CMD_CHECK_RUNNING (); 468 469 if (argc == 0) 470 vty_out (vty, "%-15s %6s/%-11s %-15s %-15s %s[%s]%s", 471 "RouterID", "State", "Duration", "DR", "BDR", "I/F", 472 "State", VTY_NEWLINE); 473 else if (inet_pton (AF_INET, argv[0], &router_id) != 1) 474 { 475 vty_out (vty, "Malformed Router-ID: %s%s", argv[0], VTY_NEWLINE); 476 return CMD_SUCCESS; 477 } 478 479 for (nodei = listhead (ospf6->area_list); nodei; nextnode (nodei)) 480 { 481 o6a = getdata (nodei); 482 for (nodej = listhead (o6a->if_list); nodej; nextnode (nodej)) 483 { 484 o6i = getdata (nodej); 485 for (nodek = listhead (o6i->neighbor_list); nodek; nextnode (nodek)) 486 { 487 o6n = getdata (nodek); 488 if (argc == 0) 489 ospf6_neighbor_show_summary (vty, o6n); 490 else if (o6n->router_id == router_id) 491 ospf6_neighbor_show_detail (vty, o6n); 492 } 493 } 494 } 495 return CMD_SUCCESS; 496} 497 498ALIAS (show_ipv6_ospf6_neighbor_routerid, 499 show_ipv6_ospf6_neighbor_cmd, 500 "show ipv6 ospf6 neighbor", 501 SHOW_STR 502 IP6_STR 503 OSPF6_STR 504 "Neighbor list\n" 505 ) 506 507DEFUN (show_ipv6_ospf6_neighborlist, 508 show_ipv6_ospf6_neighborlist_cmd, 509 "show ipv6 ospf6 (summary-list|request-list|retrans-list|dbdesc-list)", 510 SHOW_STR 511 IP6_STR 512 OSPF6_STR 513 "Link State summary list\n" 514 "Link State request list\n" 515 "Link State retransmission list\n" 516 "Link State Description list (Used to retrans DbDesc)\n" 517 ) 518{ 519 struct ospf6_area *o6a; 520 struct ospf6_interface *o6i; 521 struct ospf6_neighbor *o6n; 522 listnode i, j, k, l; 523 struct ospf6_lsa *lsa; 524 struct ospf6_lsdb *lsdb = NULL; 525 char type[16], id[16], adv_router[16]; 526 struct ospf6_lsdb_node node; 527 u_int16_t age, cksum, len; 528 u_int32_t seqnum; 529 530 OSPF6_CMD_CHECK_RUNNING (); 531 i = j = k = l = NULL; 532 533 for (i = listhead (ospf6->area_list); i; nextnode (i)) 534 { 535 o6a = (struct ospf6_area *) getdata (i); 536 for (j = listhead (o6a->if_list); j; nextnode (j)) 537 { 538 o6i = (struct ospf6_interface *) getdata (j); 539 for (k = listhead (o6i->neighbor_list); k; nextnode (k)) 540 { 541 o6n = (struct ospf6_neighbor *) getdata (k); 542 543 if (strncmp (argv[0], "sum", 3) == 0) 544 lsdb = o6n->summary_list; 545 else if (strncmp (argv[0], "req", 3) == 0) 546 lsdb = o6n->request_list; 547 else if (strncmp (argv[0], "ret", 3) == 0) 548 lsdb = o6n->retrans_list; 549 else if (strncmp (argv[0], "dbd", 3) == 0) 550 lsdb = o6n->dbdesc_list; 551 552 vty_out (vty, "neighbor %s on interface %s: %d%s", o6n->str, 553 o6i->interface->name, lsdb->count, 554 VTY_NEWLINE); 555 for (ospf6_lsdb_head (&node, lsdb); ! ospf6_lsdb_is_end (&node); 556 ospf6_lsdb_next (&node)) 557 { 558 lsa = node.lsa; 559 ospf6_lsa_age_current (lsa); 560 561 ospf6_lsa_type_string (lsa->header->type, type, 562 sizeof (type)); 563 inet_ntop (AF_INET, &lsa->header->id, id, sizeof (id)); 564 inet_ntop (AF_INET, &lsa->header->adv_router, adv_router, 565 sizeof (adv_router)); 566 age = ntohs (lsa->header->age); 567 seqnum = ntohl (lsa->header->seqnum); 568 cksum = ntohs (lsa->header->checksum); 569 len = ntohs (lsa->header->length); 570 571 vty_out (vty, " %s-LSA ID=%s Adv=%s%s", 572 type, id, adv_router, VTY_NEWLINE); 573 vty_out (vty, " Age: %hu SeqNum: %#x Cksum: %hx Len: %hu%s", 574 age, seqnum, cksum, len, VTY_NEWLINE); 575 } 576 } 577 } 578 } 579 580 return CMD_SUCCESS; 581} 582 583void 584ospf6_neighbor_init () 585{ 586 install_element (VIEW_NODE, &show_ipv6_ospf6_neighbor_cmd); 587 install_element (VIEW_NODE, &show_ipv6_ospf6_neighbor_routerid_cmd); 588 install_element (VIEW_NODE, &show_ipv6_ospf6_neighborlist_cmd); 589 590 install_element (ENABLE_NODE, &show_ipv6_ospf6_neighbor_cmd); 591 install_element (ENABLE_NODE, &show_ipv6_ospf6_neighbor_routerid_cmd); 592 install_element (ENABLE_NODE, &show_ipv6_ospf6_neighborlist_cmd); 593} 594 595 596