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eb5d44eb | 1 | /* |
2 | * IS-IS Rout(e)ing protocol - isis_circuit.h | |
3 | * | |
4 | * Copyright (C) 2001,2002 Sampo Saaristo | |
d62a17ae | 5 | * Tampere University of Technology |
eb5d44eb | 6 | * Institute of Communications Engineering |
7 | * | |
d62a17ae | 8 | * This program is free software; you can redistribute it and/or modify it |
9 | * under the terms of the GNU General Public Licenseas published by the Free | |
10 | * Software Foundation; either version 2 of the License, or (at your option) | |
eb5d44eb | 11 | * any later version. |
12 | * | |
d62a17ae | 13 | * This program is distributed in the hope that it will be useful,but WITHOUT |
14 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
eb5d44eb | 16 | * more details. |
896014f4 DL |
17 | * |
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 | |
eb5d44eb | 21 | */ |
eb5d44eb | 22 | #include <zebra.h> |
37da8c01 | 23 | #ifdef GNU_LINUX |
eb5d44eb | 24 | #include <net/ethernet.h> |
37da8c01 | 25 | #else |
26 | #include <netinet/if_ether.h> | |
27 | #endif | |
eb5d44eb | 28 | |
29 | #include "log.h" | |
30 | #include "memory.h" | |
b2d7c082 | 31 | #include "vrf.h" |
eb5d44eb | 32 | #include "if.h" |
33 | #include "linklist.h" | |
34 | #include "command.h" | |
35 | #include "thread.h" | |
f8c06e2c | 36 | #include "vty.h" |
eb5d44eb | 37 | #include "hash.h" |
38 | #include "prefix.h" | |
39 | #include "stream.h" | |
676a4ea3 | 40 | #include "qobj.h" |
eb5d44eb | 41 | |
42 | #include "isisd/dict.h" | |
eb5d44eb | 43 | #include "isisd/isis_constants.h" |
44 | #include "isisd/isis_common.h" | |
3f045a08 | 45 | #include "isisd/isis_flags.h" |
eb5d44eb | 46 | #include "isisd/isis_circuit.h" |
eb5d44eb | 47 | #include "isisd/isis_lsp.h" |
48 | #include "isisd/isis_pdu.h" | |
49 | #include "isisd/isis_network.h" | |
50 | #include "isisd/isis_misc.h" | |
51 | #include "isisd/isis_constants.h" | |
52 | #include "isisd/isis_adjacency.h" | |
53 | #include "isisd/isis_dr.h" | |
eb5d44eb | 54 | #include "isisd/isisd.h" |
55 | #include "isisd/isis_csm.h" | |
56 | #include "isisd/isis_events.h" | |
f8c06e2c | 57 | #include "isisd/isis_te.h" |
064f4896 | 58 | #include "isisd/isis_mt.h" |
54ece698 | 59 | #include "isisd/isis_errors.h" |
9b39405f | 60 | #include "isisd/isis_tx_queue.h" |
eb5d44eb | 61 | |
676a4ea3 DL |
62 | DEFINE_QOBJ_TYPE(isis_circuit) |
63 | ||
41b36e90 PJ |
64 | /* |
65 | * Prototypes. | |
66 | */ | |
41b36e90 PJ |
67 | int isis_interface_config_write(struct vty *); |
68 | int isis_if_new_hook(struct interface *); | |
69 | int isis_if_delete_hook(struct interface *); | |
70 | ||
d62a17ae | 71 | struct isis_circuit *isis_circuit_new() |
eb5d44eb | 72 | { |
d62a17ae | 73 | struct isis_circuit *circuit; |
74 | int i; | |
75 | ||
76 | circuit = XCALLOC(MTYPE_ISIS_CIRCUIT, sizeof(struct isis_circuit)); | |
d62a17ae | 77 | |
78 | /* | |
79 | * Default values | |
80 | */ | |
81 | circuit->is_type = IS_LEVEL_1_AND_2; | |
82 | circuit->flags = 0; | |
83 | circuit->pad_hellos = 1; | |
84 | for (i = 0; i < 2; i++) { | |
85 | circuit->hello_interval[i] = DEFAULT_HELLO_INTERVAL; | |
86 | circuit->hello_multiplier[i] = DEFAULT_HELLO_MULTIPLIER; | |
87 | circuit->csnp_interval[i] = DEFAULT_CSNP_INTERVAL; | |
88 | circuit->psnp_interval[i] = DEFAULT_PSNP_INTERVAL; | |
89 | circuit->priority[i] = DEFAULT_PRIORITY; | |
90 | circuit->metric[i] = DEFAULT_CIRCUIT_METRIC; | |
91 | circuit->te_metric[i] = DEFAULT_CIRCUIT_METRIC; | |
7da4aa3c CF |
92 | circuit->level_arg[i].level = i + 1; |
93 | circuit->level_arg[i].circuit = circuit; | |
d62a17ae | 94 | } |
95 | ||
96 | circuit->mtc = mpls_te_circuit_new(); | |
97 | ||
98 | circuit_mt_init(circuit); | |
99 | ||
100 | QOBJ_REG(circuit, isis_circuit); | |
101 | ||
102 | return circuit; | |
eb5d44eb | 103 | } |
104 | ||
d62a17ae | 105 | void isis_circuit_del(struct isis_circuit *circuit) |
3f045a08 | 106 | { |
d62a17ae | 107 | if (!circuit) |
108 | return; | |
3f045a08 | 109 | |
d62a17ae | 110 | QOBJ_UNREG(circuit); |
676a4ea3 | 111 | |
d62a17ae | 112 | isis_circuit_if_unbind(circuit, circuit->interface); |
3f045a08 | 113 | |
d62a17ae | 114 | circuit_mt_finish(circuit); |
064f4896 | 115 | |
d62a17ae | 116 | /* and lastly the circuit itself */ |
117 | XFREE(MTYPE_ISIS_CIRCUIT, circuit); | |
3f045a08 | 118 | |
d62a17ae | 119 | return; |
3f045a08 JB |
120 | } |
121 | ||
d62a17ae | 122 | void isis_circuit_configure(struct isis_circuit *circuit, |
123 | struct isis_area *area) | |
eb5d44eb | 124 | { |
d62a17ae | 125 | assert(area); |
126 | circuit->area = area; | |
127 | ||
128 | /* | |
129 | * Whenever the is-type of an area is changed, the is-type of each | |
130 | * circuit | |
131 | * in that area is updated to a non-empty subset of the area is-type. | |
132 | * Inversely, when configuring a new circuit, this property should be | |
133 | * ensured as well. | |
134 | */ | |
135 | if (area->is_type != IS_LEVEL_1_AND_2) | |
136 | circuit->is_type = area->is_type; | |
137 | ||
138 | /* | |
139 | * Add the circuit into area | |
140 | */ | |
141 | listnode_add(area->circuit_list, circuit); | |
142 | ||
143 | circuit->idx = flags_get_index(&area->flags); | |
144 | ||
145 | return; | |
eb5d44eb | 146 | } |
147 | ||
d62a17ae | 148 | void isis_circuit_deconfigure(struct isis_circuit *circuit, |
149 | struct isis_area *area) | |
eb5d44eb | 150 | { |
d62a17ae | 151 | /* Free the index of SRM and SSN flags */ |
152 | flags_free_index(&area->flags, circuit->idx); | |
153 | circuit->idx = 0; | |
154 | /* Remove circuit from area */ | |
155 | assert(circuit->area == area); | |
156 | listnode_delete(area->circuit_list, circuit); | |
157 | circuit->area = NULL; | |
158 | ||
159 | return; | |
eb5d44eb | 160 | } |
161 | ||
d62a17ae | 162 | struct isis_circuit *circuit_lookup_by_ifp(struct interface *ifp, |
163 | struct list *list) | |
eb5d44eb | 164 | { |
d62a17ae | 165 | struct isis_circuit *circuit = NULL; |
166 | struct listnode *node; | |
f390d2c7 | 167 | |
d62a17ae | 168 | if (!list) |
169 | return NULL; | |
f390d2c7 | 170 | |
d62a17ae | 171 | for (ALL_LIST_ELEMENTS_RO(list, node, circuit)) |
172 | if (circuit->interface == ifp) { | |
173 | assert(ifp->info == circuit); | |
174 | return circuit; | |
175 | } | |
3f045a08 | 176 | |
d62a17ae | 177 | return NULL; |
eb5d44eb | 178 | } |
179 | ||
d62a17ae | 180 | struct isis_circuit *circuit_scan_by_ifp(struct interface *ifp) |
eb5d44eb | 181 | { |
d62a17ae | 182 | struct isis_area *area; |
183 | struct listnode *node; | |
184 | struct isis_circuit *circuit; | |
185 | ||
186 | if (ifp->info) | |
187 | return (struct isis_circuit *)ifp->info; | |
188 | ||
189 | if (isis->area_list) { | |
190 | for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) { | |
191 | circuit = | |
192 | circuit_lookup_by_ifp(ifp, area->circuit_list); | |
193 | if (circuit) | |
194 | return circuit; | |
195 | } | |
196 | } | |
197 | return circuit_lookup_by_ifp(ifp, isis->init_circ_list); | |
eb5d44eb | 198 | } |
199 | ||
d62a17ae | 200 | void isis_circuit_add_addr(struct isis_circuit *circuit, |
201 | struct connected *connected) | |
eb5d44eb | 202 | { |
d62a17ae | 203 | struct listnode *node; |
204 | struct prefix_ipv4 *ipv4; | |
4690c7d7 | 205 | #if defined(EXTREME_DEBUG) |
d62a17ae | 206 | char buf[PREFIX2STR_BUFFER]; |
4690c7d7 | 207 | #endif |
d62a17ae | 208 | struct prefix_ipv6 *ipv6; |
f891f443 | 209 | |
d62a17ae | 210 | if (connected->address->family == AF_INET) { |
d7c0a89a | 211 | uint32_t addr = connected->address->u.prefix4.s_addr; |
d62a17ae | 212 | addr = ntohl(addr); |
213 | if (IPV4_NET0(addr) || IPV4_NET127(addr) || IN_CLASSD(addr) | |
214 | || IPV4_LINKLOCAL(addr)) | |
215 | return; | |
3f045a08 | 216 | |
d62a17ae | 217 | for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, ipv4)) |
218 | if (prefix_same((struct prefix *)ipv4, | |
219 | connected->address)) | |
220 | return; | |
3f045a08 | 221 | |
d62a17ae | 222 | ipv4 = prefix_ipv4_new(); |
223 | ipv4->prefixlen = connected->address->prefixlen; | |
224 | ipv4->prefix = connected->address->u.prefix4; | |
225 | listnode_add(circuit->ip_addrs, ipv4); | |
f8c06e2c | 226 | |
d62a17ae | 227 | /* Update MPLS TE Local IP address parameter */ |
228 | set_circuitparams_local_ipaddr(circuit->mtc, ipv4->prefix); | |
f8c06e2c | 229 | |
d62a17ae | 230 | if (circuit->area) |
231 | lsp_regenerate_schedule(circuit->area, circuit->is_type, | |
232 | 0); | |
f891f443 | 233 | |
eb5d44eb | 234 | #ifdef EXTREME_DEBUG |
d62a17ae | 235 | prefix2str(connected->address, buf, sizeof(buf)); |
c59f88c8 CF |
236 | zlog_debug("Added IP address %s to circuit %s", buf, |
237 | circuit->interface->name); | |
f390d2c7 | 238 | #endif /* EXTREME_DEBUG */ |
d62a17ae | 239 | } |
240 | if (connected->address->family == AF_INET6) { | |
241 | if (IN6_IS_ADDR_LOOPBACK(&connected->address->u.prefix6)) | |
242 | return; | |
243 | ||
244 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, ipv6)) | |
245 | if (prefix_same((struct prefix *)ipv6, | |
246 | connected->address)) | |
247 | return; | |
248 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, ipv6)) | |
249 | if (prefix_same((struct prefix *)ipv6, | |
250 | connected->address)) | |
251 | return; | |
252 | ||
253 | ipv6 = prefix_ipv6_new(); | |
254 | ipv6->prefixlen = connected->address->prefixlen; | |
255 | ipv6->prefix = connected->address->u.prefix6; | |
256 | ||
257 | if (IN6_IS_ADDR_LINKLOCAL(&ipv6->prefix)) | |
258 | listnode_add(circuit->ipv6_link, ipv6); | |
259 | else | |
260 | listnode_add(circuit->ipv6_non_link, ipv6); | |
261 | if (circuit->area) | |
262 | lsp_regenerate_schedule(circuit->area, circuit->is_type, | |
263 | 0); | |
f891f443 | 264 | |
eb5d44eb | 265 | #ifdef EXTREME_DEBUG |
d62a17ae | 266 | prefix2str(connected->address, buf, sizeof(buf)); |
c59f88c8 CF |
267 | zlog_debug("Added IPv6 address %s to circuit %s", buf, |
268 | circuit->interface->name); | |
f390d2c7 | 269 | #endif /* EXTREME_DEBUG */ |
d62a17ae | 270 | } |
271 | return; | |
eb5d44eb | 272 | } |
273 | ||
d62a17ae | 274 | void isis_circuit_del_addr(struct isis_circuit *circuit, |
275 | struct connected *connected) | |
eb5d44eb | 276 | { |
d62a17ae | 277 | struct prefix_ipv4 *ipv4, *ip = NULL; |
278 | struct listnode *node; | |
279 | char buf[PREFIX2STR_BUFFER]; | |
280 | struct prefix_ipv6 *ipv6, *ip6 = NULL; | |
281 | int found = 0; | |
282 | ||
283 | if (connected->address->family == AF_INET) { | |
284 | ipv4 = prefix_ipv4_new(); | |
285 | ipv4->prefixlen = connected->address->prefixlen; | |
286 | ipv4->prefix = connected->address->u.prefix4; | |
287 | ||
288 | for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, ip)) | |
289 | if (prefix_same((struct prefix *)ip, | |
290 | (struct prefix *)ipv4)) | |
291 | break; | |
292 | ||
293 | if (ip) { | |
294 | listnode_delete(circuit->ip_addrs, ip); | |
d0a6f3e0 | 295 | prefix_ipv4_free(ip); |
d62a17ae | 296 | if (circuit->area) |
297 | lsp_regenerate_schedule(circuit->area, | |
298 | circuit->is_type, 0); | |
299 | } else { | |
300 | prefix2str(connected->address, buf, sizeof(buf)); | |
301 | zlog_warn( | |
c59f88c8 CF |
302 | "Nonexistent ip address %s removal attempt from \ |
303 | circuit %s", | |
304 | buf, circuit->interface->name); | |
d62a17ae | 305 | zlog_warn("Current ip addresses on %s:", |
306 | circuit->interface->name); | |
307 | for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, | |
308 | ip)) { | |
309 | prefix2str(ip, buf, sizeof(buf)); | |
310 | zlog_warn(" %s", buf); | |
311 | } | |
312 | zlog_warn("End of addresses"); | |
313 | } | |
314 | ||
315 | prefix_ipv4_free(ipv4); | |
f891f443 | 316 | } |
d62a17ae | 317 | if (connected->address->family == AF_INET6) { |
318 | ipv6 = prefix_ipv6_new(); | |
319 | ipv6->prefixlen = connected->address->prefixlen; | |
320 | ipv6->prefix = connected->address->u.prefix6; | |
321 | ||
322 | if (IN6_IS_ADDR_LINKLOCAL(&ipv6->prefix)) { | |
323 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, | |
324 | ip6)) { | |
325 | if (prefix_same((struct prefix *)ip6, | |
326 | (struct prefix *)ipv6)) | |
327 | break; | |
328 | } | |
329 | if (ip6) { | |
330 | listnode_delete(circuit->ipv6_link, ip6); | |
d0a6f3e0 | 331 | prefix_ipv6_free(ip6); |
d62a17ae | 332 | found = 1; |
333 | } | |
334 | } else { | |
335 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, | |
336 | ip6)) { | |
337 | if (prefix_same((struct prefix *)ip6, | |
338 | (struct prefix *)ipv6)) | |
339 | break; | |
340 | } | |
341 | if (ip6) { | |
342 | listnode_delete(circuit->ipv6_non_link, ip6); | |
d0a6f3e0 | 343 | prefix_ipv6_free(ip6); |
d62a17ae | 344 | found = 1; |
345 | } | |
346 | } | |
347 | ||
348 | if (!found) { | |
349 | prefix2str(connected->address, buf, sizeof(buf)); | |
350 | zlog_warn( | |
c59f88c8 CF |
351 | "Nonexistent ip address %s removal attempt from \ |
352 | circuit %s", | |
353 | buf, circuit->interface->name); | |
d62a17ae | 354 | zlog_warn("Current ip addresses on %s:", |
355 | circuit->interface->name); | |
356 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, | |
357 | ip6)) { | |
358 | prefix2str((struct prefix *)ip6, (char *)buf, | |
c28135f3 | 359 | sizeof(buf)); |
d62a17ae | 360 | zlog_warn(" %s", buf); |
361 | } | |
362 | zlog_warn(" -----"); | |
363 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, | |
364 | ip6)) { | |
365 | prefix2str((struct prefix *)ip6, (char *)buf, | |
c28135f3 | 366 | sizeof(buf)); |
d62a17ae | 367 | zlog_warn(" %s", buf); |
368 | } | |
369 | zlog_warn("End of addresses"); | |
370 | } else if (circuit->area) | |
371 | lsp_regenerate_schedule(circuit->area, circuit->is_type, | |
372 | 0); | |
373 | ||
374 | prefix_ipv6_free(ipv6); | |
f891f443 | 375 | } |
d62a17ae | 376 | return; |
377 | } | |
e8aca32f | 378 | |
0849c75e | 379 | static uint8_t isis_circuit_id_gen(struct isis *isis, struct interface *ifp) |
d62a17ae | 380 | { |
068c8222 CF |
381 | /* Circuit ids MUST be unique for any broadcast circuits. Otherwise, |
382 | * Pseudo-Node LSPs cannot be generated correctly. | |
383 | * | |
98c5bc15 | 384 | * Currently, allocate one circuit ID for any circuit, limiting the total |
068c8222 CF |
385 | * numer of circuits IS-IS can run on to 255. |
386 | * | |
98c5bc15 | 387 | * We should revisit this when implementing 3-way adjacencies for p2p, since |
068c8222 CF |
388 | * we then have extended interface IDs available. |
389 | */ | |
390 | uint8_t id = ifp->ifindex; | |
d62a17ae | 391 | unsigned int i; |
d62a17ae | 392 | |
068c8222 CF |
393 | for (i = 0; i < 256; i++) { |
394 | if (id && !_ISIS_CHECK_FLAG(isis->circuit_ids_used, id)) | |
d62a17ae | 395 | break; |
068c8222 | 396 | id++; |
f891f443 | 397 | } |
398 | ||
068c8222 | 399 | if (i == 256) { |
996c9314 LB |
400 | zlog_warn("Could not allocate a circuit id for '%s'", |
401 | ifp->name); | |
068c8222 | 402 | return 0; |
f891f443 | 403 | } |
e8aca32f | 404 | |
0849c75e | 405 | _ISIS_SET_FLAG(isis->circuit_ids_used, id); |
d62a17ae | 406 | return id; |
3f045a08 JB |
407 | } |
408 | ||
d62a17ae | 409 | void isis_circuit_if_add(struct isis_circuit *circuit, struct interface *ifp) |
eb5d44eb | 410 | { |
d62a17ae | 411 | struct listnode *node, *nnode; |
412 | struct connected *conn; | |
413 | ||
d62a17ae | 414 | isis_circuit_if_bind(circuit, ifp); |
d62a17ae | 415 | |
416 | if (if_is_broadcast(ifp)) { | |
65f18157 | 417 | if (fabricd || circuit->circ_type_config == CIRCUIT_T_P2P) |
d62a17ae | 418 | circuit->circ_type = CIRCUIT_T_P2P; |
419 | else | |
420 | circuit->circ_type = CIRCUIT_T_BROADCAST; | |
421 | } else if (if_is_pointopoint(ifp)) { | |
422 | circuit->circ_type = CIRCUIT_T_P2P; | |
423 | } else if (if_is_loopback(ifp)) { | |
424 | circuit->circ_type = CIRCUIT_T_LOOPBACK; | |
425 | circuit->is_passive = 1; | |
426 | } else { | |
427 | /* It's normal in case of loopback etc. */ | |
428 | if (isis->debugs & DEBUG_EVENTS) | |
429 | zlog_debug("isis_circuit_if_add: unsupported media"); | |
430 | circuit->circ_type = CIRCUIT_T_UNKNOWN; | |
431 | } | |
432 | ||
433 | circuit->ip_addrs = list_new(); | |
434 | circuit->ipv6_link = list_new(); | |
435 | circuit->ipv6_non_link = list_new(); | |
436 | ||
437 | for (ALL_LIST_ELEMENTS(ifp->connected, node, nnode, conn)) | |
438 | isis_circuit_add_addr(circuit, conn); | |
eb5d44eb | 439 | } |
440 | ||
d62a17ae | 441 | void isis_circuit_if_del(struct isis_circuit *circuit, struct interface *ifp) |
eb5d44eb | 442 | { |
d62a17ae | 443 | struct listnode *node, *nnode; |
444 | struct connected *conn; | |
445 | ||
446 | assert(circuit->interface == ifp); | |
447 | ||
448 | /* destroy addresses */ | |
449 | for (ALL_LIST_ELEMENTS(ifp->connected, node, nnode, conn)) | |
450 | isis_circuit_del_addr(circuit, conn); | |
451 | ||
452 | if (circuit->ip_addrs) { | |
453 | assert(listcount(circuit->ip_addrs) == 0); | |
6a154c88 | 454 | list_delete(&circuit->ip_addrs); |
d62a17ae | 455 | } |
456 | ||
457 | if (circuit->ipv6_link) { | |
458 | assert(listcount(circuit->ipv6_link) == 0); | |
6a154c88 | 459 | list_delete(&circuit->ipv6_link); |
d62a17ae | 460 | } |
461 | ||
462 | if (circuit->ipv6_non_link) { | |
463 | assert(listcount(circuit->ipv6_non_link) == 0); | |
6a154c88 | 464 | list_delete(&circuit->ipv6_non_link); |
d62a17ae | 465 | } |
466 | ||
467 | circuit->circ_type = CIRCUIT_T_UNKNOWN; | |
eb5d44eb | 468 | } |
469 | ||
d62a17ae | 470 | void isis_circuit_if_bind(struct isis_circuit *circuit, struct interface *ifp) |
3f045a08 | 471 | { |
d62a17ae | 472 | assert(circuit != NULL); |
473 | assert(ifp != NULL); | |
474 | if (circuit->interface) | |
475 | assert(circuit->interface == ifp); | |
476 | else | |
477 | circuit->interface = ifp; | |
478 | if (ifp->info) | |
479 | assert(ifp->info == circuit); | |
480 | else | |
481 | ifp->info = circuit; | |
482 | isis_link_params_update(circuit, ifp); | |
3f045a08 JB |
483 | } |
484 | ||
d62a17ae | 485 | void isis_circuit_if_unbind(struct isis_circuit *circuit, struct interface *ifp) |
eb5d44eb | 486 | { |
d62a17ae | 487 | assert(circuit != NULL); |
488 | assert(ifp != NULL); | |
489 | assert(circuit->interface == ifp); | |
490 | assert(ifp->info == circuit); | |
491 | circuit->interface = NULL; | |
492 | ifp->info = NULL; | |
3f045a08 | 493 | } |
f390d2c7 | 494 | |
d62a17ae | 495 | static void isis_circuit_update_all_srmflags(struct isis_circuit *circuit, |
496 | int is_set) | |
3f045a08 | 497 | { |
d62a17ae | 498 | struct isis_area *area; |
499 | struct isis_lsp *lsp; | |
9b39405f | 500 | dnode_t *dnode; |
d62a17ae | 501 | int level; |
502 | ||
503 | assert(circuit); | |
504 | area = circuit->area; | |
505 | assert(area); | |
506 | for (level = ISIS_LEVEL1; level <= ISIS_LEVEL2; level++) { | |
9b39405f CF |
507 | if (!(level & circuit->is_type)) |
508 | continue; | |
509 | ||
510 | if (!area->lspdb[level - 1] | |
511 | || !dict_count(area->lspdb[level - 1])) | |
512 | continue; | |
513 | ||
514 | for (dnode = dict_first(area->lspdb[level - 1]); | |
515 | dnode != NULL; | |
516 | dnode = dict_next(area->lspdb[level - 1], dnode)) { | |
517 | lsp = dnode_get(dnode); | |
518 | if (is_set) { | |
519 | isis_tx_queue_add(circuit->tx_queue, lsp, | |
520 | TX_LSP_NORMAL); | |
521 | } else { | |
522 | isis_tx_queue_del(circuit->tx_queue, lsp); | |
d62a17ae | 523 | } |
524 | } | |
525 | } | |
eb5d44eb | 526 | } |
527 | ||
d62a17ae | 528 | size_t isis_circuit_pdu_size(struct isis_circuit *circuit) |
b20ccb3a | 529 | { |
d62a17ae | 530 | return ISO_MTU(circuit); |
b20ccb3a CF |
531 | } |
532 | ||
d62a17ae | 533 | void isis_circuit_stream(struct isis_circuit *circuit, struct stream **stream) |
b20ccb3a | 534 | { |
d62a17ae | 535 | size_t stream_size = isis_circuit_pdu_size(circuit); |
536 | ||
537 | if (!*stream) { | |
538 | *stream = stream_new(stream_size); | |
539 | } else { | |
540 | if (STREAM_SIZE(*stream) != stream_size) | |
db3c830a | 541 | stream_resize_inplace(stream, stream_size); |
d62a17ae | 542 | stream_reset(*stream); |
543 | } | |
b20ccb3a CF |
544 | } |
545 | ||
d62a17ae | 546 | void isis_circuit_prepare(struct isis_circuit *circuit) |
5904f19f | 547 | { |
b0dd98e7 | 548 | #if ISIS_METHOD != ISIS_METHOD_DLPI |
d62a17ae | 549 | thread_add_read(master, isis_receive, circuit, circuit->fd, |
550 | &circuit->t_read); | |
5904f19f | 551 | #else |
d62a17ae | 552 | thread_add_timer_msec(master, isis_receive, circuit, |
553 | listcount(circuit->area->circuit_list) * 100, | |
554 | &circuit->t_read); | |
5904f19f RW |
555 | #endif |
556 | } | |
557 | ||
d62a17ae | 558 | int isis_circuit_up(struct isis_circuit *circuit) |
eb5d44eb | 559 | { |
d62a17ae | 560 | int retv; |
561 | ||
562 | /* Set the flags for all the lsps of the circuit. */ | |
563 | isis_circuit_update_all_srmflags(circuit, 1); | |
564 | ||
565 | if (circuit->state == C_STATE_UP) | |
566 | return ISIS_OK; | |
567 | ||
568 | if (circuit->is_passive) | |
569 | return ISIS_OK; | |
570 | ||
571 | if (circuit->area->lsp_mtu > isis_circuit_pdu_size(circuit)) { | |
af4c2728 | 572 | flog_err( |
1a7ecb96 | 573 | EC_ISIS_CONFIG, |
d62a17ae | 574 | "Interface MTU %zu on %s is too low to support area lsp mtu %u!", |
575 | isis_circuit_pdu_size(circuit), | |
576 | circuit->interface->name, circuit->area->lsp_mtu); | |
577 | isis_circuit_update_all_srmflags(circuit, 0); | |
578 | return ISIS_ERROR; | |
579 | } | |
580 | ||
581 | if (circuit->circ_type == CIRCUIT_T_BROADCAST) { | |
0849c75e CF |
582 | circuit->circuit_id = isis_circuit_id_gen(isis, circuit->interface); |
583 | if (!circuit->circuit_id) { | |
af4c2728 | 584 | flog_err( |
1a7ecb96 | 585 | EC_ISIS_CONFIG, |
54ece698 | 586 | "There are already 255 broadcast circuits active!"); |
0849c75e CF |
587 | return ISIS_ERROR; |
588 | } | |
589 | ||
d62a17ae | 590 | /* |
591 | * Get the Hardware Address | |
592 | */ | |
593 | if (circuit->interface->hw_addr_len != ETH_ALEN) { | |
594 | zlog_warn("unsupported link layer"); | |
595 | } else { | |
596 | memcpy(circuit->u.bc.snpa, circuit->interface->hw_addr, | |
597 | ETH_ALEN); | |
598 | } | |
3f045a08 | 599 | #ifdef EXTREME_DEGUG |
d62a17ae | 600 | zlog_debug("isis_circuit_if_add: if_id %d, isomtu %d snpa %s", |
601 | circuit->interface->ifindex, ISO_MTU(circuit), | |
602 | snpa_print(circuit->u.bc.snpa)); | |
3f045a08 | 603 | #endif /* EXTREME_DEBUG */ |
3f045a08 | 604 | |
d62a17ae | 605 | circuit->u.bc.adjdb[0] = list_new(); |
606 | circuit->u.bc.adjdb[1] = list_new(); | |
607 | ||
608 | /* | |
609 | * ISO 10589 - 8.4.1 Enabling of broadcast circuits | |
610 | */ | |
611 | ||
612 | /* initilizing the hello sending threads | |
613 | * for a broadcast IF | |
614 | */ | |
615 | ||
616 | /* 8.4.1 a) commence sending of IIH PDUs */ | |
617 | ||
7c4f7aab CF |
618 | for (int level = ISIS_LEVEL1; level <= ISIS_LEVEL2; level++) { |
619 | if (!(circuit->is_type & level)) | |
620 | continue; | |
621 | ||
a0a707ee | 622 | send_hello_sched(circuit, level, TRIGGERED_IIH_DELAY); |
7c4f7aab CF |
623 | circuit->u.bc.lan_neighs[level - 1] = list_new(); |
624 | ||
625 | thread_add_timer(master, isis_run_dr, | |
626 | &circuit->level_arg[level - 1], | |
627 | 2 * circuit->hello_interval[level - 1], | |
628 | &circuit->u.bc.t_run_dr[level - 1]); | |
d62a17ae | 629 | } |
630 | ||
631 | /* 8.4.1 b) FIXME: solicit ES - 8.4.6 */ | |
632 | /* 8.4.1 c) FIXME: listen for ESH PDUs */ | |
d4670f51 | 633 | } else if (circuit->circ_type == CIRCUIT_T_P2P) { |
d62a17ae | 634 | /* initializing the hello send threads |
635 | * for a ptp IF | |
636 | */ | |
637 | circuit->u.p2p.neighbor = NULL; | |
a0a707ee | 638 | send_hello_sched(circuit, 0, TRIGGERED_IIH_DELAY); |
d62a17ae | 639 | } |
640 | ||
641 | /* initializing PSNP timers */ | |
642 | if (circuit->is_type & IS_LEVEL_1) | |
643 | thread_add_timer( | |
644 | master, send_l1_psnp, circuit, | |
645 | isis_jitter(circuit->psnp_interval[0], PSNP_JITTER), | |
646 | &circuit->t_send_psnp[0]); | |
647 | ||
648 | if (circuit->is_type & IS_LEVEL_2) | |
649 | thread_add_timer( | |
650 | master, send_l2_psnp, circuit, | |
651 | isis_jitter(circuit->psnp_interval[1], PSNP_JITTER), | |
652 | &circuit->t_send_psnp[1]); | |
653 | ||
654 | /* unified init for circuits; ignore warnings below this level */ | |
655 | retv = isis_sock_init(circuit); | |
656 | if (retv != ISIS_OK) { | |
657 | isis_circuit_down(circuit); | |
658 | return retv; | |
659 | } | |
660 | ||
661 | /* initialize the circuit streams after opening connection */ | |
662 | isis_circuit_stream(circuit, &circuit->rcv_stream); | |
663 | isis_circuit_stream(circuit, &circuit->snd_stream); | |
664 | ||
665 | isis_circuit_prepare(circuit); | |
666 | ||
9b39405f | 667 | circuit->tx_queue = isis_tx_queue_new(circuit, send_lsp); |
d62a17ae | 668 | |
669 | return ISIS_OK; | |
eb5d44eb | 670 | } |
671 | ||
d62a17ae | 672 | void isis_circuit_down(struct isis_circuit *circuit) |
eb5d44eb | 673 | { |
d62a17ae | 674 | /* Clear the flags for all the lsps of the circuit. */ |
675 | isis_circuit_update_all_srmflags(circuit, 0); | |
676 | ||
677 | if (circuit->circ_type == CIRCUIT_T_BROADCAST) { | |
678 | /* destroy neighbour lists */ | |
679 | if (circuit->u.bc.lan_neighs[0]) { | |
6a154c88 | 680 | list_delete(&circuit->u.bc.lan_neighs[0]); |
d62a17ae | 681 | circuit->u.bc.lan_neighs[0] = NULL; |
682 | } | |
683 | if (circuit->u.bc.lan_neighs[1]) { | |
6a154c88 | 684 | list_delete(&circuit->u.bc.lan_neighs[1]); |
d62a17ae | 685 | circuit->u.bc.lan_neighs[1] = NULL; |
686 | } | |
687 | /* destroy adjacency databases */ | |
688 | if (circuit->u.bc.adjdb[0]) { | |
689 | circuit->u.bc.adjdb[0]->del = isis_delete_adj; | |
6a154c88 | 690 | list_delete(&circuit->u.bc.adjdb[0]); |
d62a17ae | 691 | circuit->u.bc.adjdb[0] = NULL; |
692 | } | |
693 | if (circuit->u.bc.adjdb[1]) { | |
694 | circuit->u.bc.adjdb[1]->del = isis_delete_adj; | |
6a154c88 | 695 | list_delete(&circuit->u.bc.adjdb[1]); |
d62a17ae | 696 | circuit->u.bc.adjdb[1] = NULL; |
697 | } | |
698 | if (circuit->u.bc.is_dr[0]) { | |
699 | isis_dr_resign(circuit, 1); | |
700 | circuit->u.bc.is_dr[0] = 0; | |
701 | } | |
702 | memset(circuit->u.bc.l1_desig_is, 0, ISIS_SYS_ID_LEN + 1); | |
703 | if (circuit->u.bc.is_dr[1]) { | |
704 | isis_dr_resign(circuit, 2); | |
705 | circuit->u.bc.is_dr[1] = 0; | |
706 | } | |
707 | memset(circuit->u.bc.l2_desig_is, 0, ISIS_SYS_ID_LEN + 1); | |
708 | memset(circuit->u.bc.snpa, 0, ETH_ALEN); | |
709 | ||
710 | THREAD_TIMER_OFF(circuit->u.bc.t_send_lan_hello[0]); | |
711 | THREAD_TIMER_OFF(circuit->u.bc.t_send_lan_hello[1]); | |
712 | THREAD_TIMER_OFF(circuit->u.bc.t_run_dr[0]); | |
713 | THREAD_TIMER_OFF(circuit->u.bc.t_run_dr[1]); | |
714 | THREAD_TIMER_OFF(circuit->u.bc.t_refresh_pseudo_lsp[0]); | |
715 | THREAD_TIMER_OFF(circuit->u.bc.t_refresh_pseudo_lsp[1]); | |
716 | circuit->lsp_regenerate_pending[0] = 0; | |
717 | circuit->lsp_regenerate_pending[1] = 0; | |
0849c75e CF |
718 | |
719 | _ISIS_CLEAR_FLAG(isis->circuit_ids_used, circuit->circuit_id); | |
720 | circuit->circuit_id = 0; | |
d62a17ae | 721 | } else if (circuit->circ_type == CIRCUIT_T_P2P) { |
722 | isis_delete_adj(circuit->u.p2p.neighbor); | |
723 | circuit->u.p2p.neighbor = NULL; | |
724 | THREAD_TIMER_OFF(circuit->u.p2p.t_send_p2p_hello); | |
725 | } | |
726 | ||
727 | /* Cancel all active threads */ | |
728 | THREAD_TIMER_OFF(circuit->t_send_csnp[0]); | |
729 | THREAD_TIMER_OFF(circuit->t_send_csnp[1]); | |
730 | THREAD_TIMER_OFF(circuit->t_send_psnp[0]); | |
731 | THREAD_TIMER_OFF(circuit->t_send_psnp[1]); | |
732 | THREAD_OFF(circuit->t_read); | |
733 | ||
9b39405f CF |
734 | if (circuit->tx_queue) { |
735 | isis_tx_queue_free(circuit->tx_queue); | |
736 | circuit->tx_queue = NULL; | |
58e16237 CF |
737 | } |
738 | ||
d62a17ae | 739 | /* send one gratuitous hello to spead up convergence */ |
d4670f51 CF |
740 | if (circuit->state == C_STATE_UP) { |
741 | if (circuit->is_type & IS_LEVEL_1) | |
742 | send_hello(circuit, IS_LEVEL_1); | |
743 | if (circuit->is_type & IS_LEVEL_2) | |
744 | send_hello(circuit, IS_LEVEL_2); | |
745 | } | |
d62a17ae | 746 | |
747 | circuit->upadjcount[0] = 0; | |
748 | circuit->upadjcount[1] = 0; | |
749 | ||
750 | /* close the socket */ | |
751 | if (circuit->fd) { | |
752 | close(circuit->fd); | |
753 | circuit->fd = 0; | |
754 | } | |
755 | ||
756 | if (circuit->rcv_stream != NULL) { | |
757 | stream_free(circuit->rcv_stream); | |
758 | circuit->rcv_stream = NULL; | |
759 | } | |
760 | ||
761 | if (circuit->snd_stream != NULL) { | |
762 | stream_free(circuit->snd_stream); | |
763 | circuit->snd_stream = NULL; | |
764 | } | |
765 | ||
766 | thread_cancel_event(master, circuit); | |
767 | ||
768 | return; | |
eb5d44eb | 769 | } |
770 | ||
d62a17ae | 771 | void circuit_update_nlpids(struct isis_circuit *circuit) |
eb5d44eb | 772 | { |
d62a17ae | 773 | circuit->nlpids.count = 0; |
774 | ||
775 | if (circuit->ip_router) { | |
776 | circuit->nlpids.nlpids[0] = NLPID_IP; | |
777 | circuit->nlpids.count++; | |
778 | } | |
779 | if (circuit->ipv6_router) { | |
780 | circuit->nlpids.nlpids[circuit->nlpids.count] = NLPID_IPV6; | |
781 | circuit->nlpids.count++; | |
782 | } | |
783 | return; | |
eb5d44eb | 784 | } |
785 | ||
d62a17ae | 786 | void isis_circuit_print_vty(struct isis_circuit *circuit, struct vty *vty, |
787 | char detail) | |
3f045a08 | 788 | { |
d62a17ae | 789 | if (detail == ISIS_UI_LEVEL_BRIEF) { |
790 | vty_out(vty, " %-12s", circuit->interface->name); | |
791 | vty_out(vty, "0x%-7x", circuit->circuit_id); | |
792 | vty_out(vty, "%-9s", circuit_state2string(circuit->state)); | |
793 | vty_out(vty, "%-9s", circuit_type2string(circuit->circ_type)); | |
794 | vty_out(vty, "%-9s", circuit_t2string(circuit->is_type)); | |
795 | vty_out(vty, "\n"); | |
796 | } | |
797 | ||
798 | if (detail == ISIS_UI_LEVEL_DETAIL) { | |
799 | struct listnode *node; | |
800 | struct prefix *ip_addr; | |
801 | char buf[BUFSIZ]; | |
802 | ||
803 | vty_out(vty, " Interface: %s", circuit->interface->name); | |
804 | vty_out(vty, ", State: %s", | |
805 | circuit_state2string(circuit->state)); | |
806 | if (circuit->is_passive) | |
807 | vty_out(vty, ", Passive"); | |
808 | else | |
809 | vty_out(vty, ", Active"); | |
810 | vty_out(vty, ", Circuit Id: 0x%x", circuit->circuit_id); | |
811 | vty_out(vty, "\n"); | |
812 | vty_out(vty, " Type: %s", | |
813 | circuit_type2string(circuit->circ_type)); | |
814 | vty_out(vty, ", Level: %s", circuit_t2string(circuit->is_type)); | |
815 | if (circuit->circ_type == CIRCUIT_T_BROADCAST) | |
816 | vty_out(vty, ", SNPA: %-10s", | |
817 | snpa_print(circuit->u.bc.snpa)); | |
818 | vty_out(vty, "\n"); | |
819 | if (circuit->is_type & IS_LEVEL_1) { | |
820 | vty_out(vty, " Level-1 Information:\n"); | |
821 | if (circuit->area->newmetric) | |
822 | vty_out(vty, " Metric: %d", | |
823 | circuit->te_metric[0]); | |
824 | else | |
825 | vty_out(vty, " Metric: %d", | |
826 | circuit->metric[0]); | |
827 | if (!circuit->is_passive) { | |
828 | vty_out(vty, ", Active neighbors: %u\n", | |
829 | circuit->upadjcount[0]); | |
830 | vty_out(vty, | |
831 | " Hello interval: %u, " | |
832 | "Holddown count: %u %s\n", | |
833 | circuit->hello_interval[0], | |
834 | circuit->hello_multiplier[0], | |
835 | (circuit->pad_hellos ? "(pad)" | |
836 | : "(no-pad)")); | |
837 | vty_out(vty, | |
838 | " CNSP interval: %u, " | |
839 | "PSNP interval: %u\n", | |
840 | circuit->csnp_interval[0], | |
841 | circuit->psnp_interval[0]); | |
842 | if (circuit->circ_type == CIRCUIT_T_BROADCAST) | |
843 | vty_out(vty, | |
844 | " LAN Priority: %u, %s\n", | |
845 | circuit->priority[0], | |
846 | (circuit->u.bc.is_dr[0] | |
847 | ? "is DIS" | |
848 | : "is not DIS")); | |
849 | } else { | |
850 | vty_out(vty, "\n"); | |
851 | } | |
852 | } | |
853 | if (circuit->is_type & IS_LEVEL_2) { | |
854 | vty_out(vty, " Level-2 Information:\n"); | |
855 | if (circuit->area->newmetric) | |
856 | vty_out(vty, " Metric: %d", | |
857 | circuit->te_metric[1]); | |
858 | else | |
859 | vty_out(vty, " Metric: %d", | |
860 | circuit->metric[1]); | |
861 | if (!circuit->is_passive) { | |
862 | vty_out(vty, ", Active neighbors: %u\n", | |
863 | circuit->upadjcount[1]); | |
864 | vty_out(vty, | |
865 | " Hello interval: %u, " | |
866 | "Holddown count: %u %s\n", | |
867 | circuit->hello_interval[1], | |
868 | circuit->hello_multiplier[1], | |
869 | (circuit->pad_hellos ? "(pad)" | |
870 | : "(no-pad)")); | |
871 | vty_out(vty, | |
872 | " CNSP interval: %u, " | |
873 | "PSNP interval: %u\n", | |
874 | circuit->csnp_interval[1], | |
875 | circuit->psnp_interval[1]); | |
876 | if (circuit->circ_type == CIRCUIT_T_BROADCAST) | |
877 | vty_out(vty, | |
878 | " LAN Priority: %u, %s\n", | |
879 | circuit->priority[1], | |
880 | (circuit->u.bc.is_dr[1] | |
881 | ? "is DIS" | |
882 | : "is not DIS")); | |
883 | } else { | |
884 | vty_out(vty, "\n"); | |
885 | } | |
886 | } | |
887 | if (circuit->ip_addrs && listcount(circuit->ip_addrs) > 0) { | |
888 | vty_out(vty, " IP Prefix(es):\n"); | |
889 | for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, | |
890 | ip_addr)) { | |
1445b43c A |
891 | prefix2str(ip_addr, buf, sizeof(buf)); |
892 | vty_out(vty, " %s\n", buf); | |
d62a17ae | 893 | } |
894 | } | |
895 | if (circuit->ipv6_link && listcount(circuit->ipv6_link) > 0) { | |
896 | vty_out(vty, " IPv6 Link-Locals:\n"); | |
897 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, | |
898 | ip_addr)) { | |
1445b43c A |
899 | prefix2str(ip_addr, (char *)buf, BUFSIZ); |
900 | vty_out(vty, " %s\n", buf); | |
d62a17ae | 901 | } |
902 | } | |
903 | if (circuit->ipv6_non_link | |
904 | && listcount(circuit->ipv6_non_link) > 0) { | |
905 | vty_out(vty, " IPv6 Prefixes:\n"); | |
906 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, | |
907 | ip_addr)) { | |
1445b43c A |
908 | prefix2str(ip_addr, (char *)buf, BUFSIZ); |
909 | vty_out(vty, " %s\n", buf); | |
d62a17ae | 910 | } |
911 | } | |
912 | ||
913 | vty_out(vty, "\n"); | |
914 | } | |
915 | return; | |
3f045a08 JB |
916 | } |
917 | ||
d56afe53 CF |
918 | DEFINE_HOOK(isis_circuit_config_write, |
919 | (struct isis_circuit *circuit, struct vty *vty), | |
920 | (circuit, vty)) | |
921 | ||
d62a17ae | 922 | int isis_interface_config_write(struct vty *vty) |
eb5d44eb | 923 | { |
f4e14fdb | 924 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
d62a17ae | 925 | int write = 0; |
f4e14fdb | 926 | struct listnode *node; |
d62a17ae | 927 | struct interface *ifp; |
928 | struct isis_area *area; | |
929 | struct isis_circuit *circuit; | |
930 | int i; | |
931 | ||
451fda4f | 932 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 933 | /* IF name */ |
a8b828f3 | 934 | vty_frame(vty, "interface %s\n", ifp->name); |
d62a17ae | 935 | write++; |
936 | /* IF desc */ | |
937 | if (ifp->desc) { | |
938 | vty_out(vty, " description %s\n", ifp->desc); | |
939 | write++; | |
940 | } | |
941 | /* ISIS Circuit */ | |
f4e14fdb | 942 | for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) { |
d62a17ae | 943 | circuit = |
944 | circuit_lookup_by_ifp(ifp, area->circuit_list); | |
945 | if (circuit == NULL) | |
946 | continue; | |
947 | if (circuit->ip_router) { | |
7c0cbd0e | 948 | vty_out(vty, " ip router " PROTO_NAME " %s\n", |
d62a17ae | 949 | area->area_tag); |
950 | write++; | |
951 | } | |
952 | if (circuit->is_passive) { | |
7c0cbd0e | 953 | vty_out(vty, " " PROTO_NAME " passive\n"); |
d62a17ae | 954 | write++; |
955 | } | |
956 | if (circuit->circ_type_config == CIRCUIT_T_P2P) { | |
7c0cbd0e | 957 | vty_out(vty, " " PROTO_NAME " network point-to-point\n"); |
d62a17ae | 958 | write++; |
959 | } | |
960 | if (circuit->ipv6_router) { | |
7c0cbd0e | 961 | vty_out(vty, " ipv6 router " PROTO_NAME " %s\n", |
d62a17ae | 962 | area->area_tag); |
963 | write++; | |
964 | } | |
965 | ||
966 | /* ISIS - circuit type */ | |
65f18157 CF |
967 | if (!fabricd) { |
968 | if (circuit->is_type == IS_LEVEL_1) { | |
969 | vty_out(vty, " " PROTO_NAME " circuit-type level-1\n"); | |
d62a17ae | 970 | write++; |
65f18157 CF |
971 | } else { |
972 | if (circuit->is_type == IS_LEVEL_2) { | |
973 | vty_out(vty, | |
974 | " " PROTO_NAME " circuit-type level-2-only\n"); | |
975 | write++; | |
976 | } | |
d62a17ae | 977 | } |
978 | } | |
979 | ||
980 | /* ISIS - CSNP interval */ | |
981 | if (circuit->csnp_interval[0] | |
982 | == circuit->csnp_interval[1]) { | |
983 | if (circuit->csnp_interval[0] | |
984 | != DEFAULT_CSNP_INTERVAL) { | |
7c0cbd0e | 985 | vty_out(vty, " " PROTO_NAME " csnp-interval %d\n", |
d62a17ae | 986 | circuit->csnp_interval[0]); |
987 | write++; | |
988 | } | |
989 | } else { | |
990 | for (i = 0; i < 2; i++) { | |
991 | if (circuit->csnp_interval[i] | |
992 | != DEFAULT_CSNP_INTERVAL) { | |
993 | vty_out(vty, | |
7c0cbd0e | 994 | " " PROTO_NAME " csnp-interval %d level-%d\n", |
d62a17ae | 995 | circuit->csnp_interval |
996 | [i], | |
997 | i + 1); | |
998 | write++; | |
999 | } | |
1000 | } | |
1001 | } | |
1002 | ||
1003 | /* ISIS - PSNP interval */ | |
1004 | if (circuit->psnp_interval[0] | |
1005 | == circuit->psnp_interval[1]) { | |
1006 | if (circuit->psnp_interval[0] | |
1007 | != DEFAULT_PSNP_INTERVAL) { | |
7c0cbd0e | 1008 | vty_out(vty, " " PROTO_NAME " psnp-interval %d\n", |
d62a17ae | 1009 | circuit->psnp_interval[0]); |
1010 | write++; | |
1011 | } | |
1012 | } else { | |
1013 | for (i = 0; i < 2; i++) { | |
1014 | if (circuit->psnp_interval[i] | |
1015 | != DEFAULT_PSNP_INTERVAL) { | |
1016 | vty_out(vty, | |
7c0cbd0e | 1017 | " " PROTO_NAME " psnp-interval %d level-%d\n", |
d62a17ae | 1018 | circuit->psnp_interval |
1019 | [i], | |
1020 | i + 1); | |
1021 | write++; | |
1022 | } | |
1023 | } | |
1024 | } | |
1025 | ||
1026 | /* ISIS - Hello padding - Defaults to true so only | |
1027 | * display if false */ | |
1028 | if (circuit->pad_hellos == 0) { | |
7c0cbd0e | 1029 | vty_out(vty, " no " PROTO_NAME " hello padding\n"); |
d62a17ae | 1030 | write++; |
1031 | } | |
1032 | ||
58e5d748 CF |
1033 | if (circuit->disable_threeway_adj) { |
1034 | vty_out(vty, " no isis three-way-handshake\n"); | |
1035 | write++; | |
1036 | } | |
1037 | ||
d62a17ae | 1038 | /* ISIS - Hello interval */ |
1039 | if (circuit->hello_interval[0] | |
1040 | == circuit->hello_interval[1]) { | |
1041 | if (circuit->hello_interval[0] | |
1042 | != DEFAULT_HELLO_INTERVAL) { | |
1043 | vty_out(vty, | |
7c0cbd0e | 1044 | " " PROTO_NAME " hello-interval %d\n", |
d62a17ae | 1045 | circuit->hello_interval[0]); |
1046 | write++; | |
1047 | } | |
1048 | } else { | |
1049 | for (i = 0; i < 2; i++) { | |
1050 | if (circuit->hello_interval[i] | |
1051 | != DEFAULT_HELLO_INTERVAL) { | |
1052 | vty_out(vty, | |
7c0cbd0e | 1053 | " " PROTO_NAME " hello-interval %d level-%d\n", |
d62a17ae | 1054 | circuit->hello_interval |
1055 | [i], | |
1056 | i + 1); | |
1057 | write++; | |
1058 | } | |
1059 | } | |
1060 | } | |
1061 | ||
1062 | /* ISIS - Hello Multiplier */ | |
1063 | if (circuit->hello_multiplier[0] | |
1064 | == circuit->hello_multiplier[1]) { | |
1065 | if (circuit->hello_multiplier[0] | |
1066 | != DEFAULT_HELLO_MULTIPLIER) { | |
1067 | vty_out(vty, | |
7c0cbd0e | 1068 | " " PROTO_NAME " hello-multiplier %d\n", |
d62a17ae | 1069 | circuit->hello_multiplier[0]); |
1070 | write++; | |
1071 | } | |
1072 | } else { | |
1073 | for (i = 0; i < 2; i++) { | |
1074 | if (circuit->hello_multiplier[i] | |
1075 | != DEFAULT_HELLO_MULTIPLIER) { | |
1076 | vty_out(vty, | |
7c0cbd0e | 1077 | " " PROTO_NAME " hello-multiplier %d level-%d\n", |
d62a17ae | 1078 | circuit->hello_multiplier |
1079 | [i], | |
1080 | i + 1); | |
1081 | write++; | |
1082 | } | |
1083 | } | |
1084 | } | |
1085 | ||
1086 | /* ISIS - Priority */ | |
1087 | if (circuit->priority[0] == circuit->priority[1]) { | |
1088 | if (circuit->priority[0] != DEFAULT_PRIORITY) { | |
7c0cbd0e | 1089 | vty_out(vty, " " PROTO_NAME " priority %d\n", |
d62a17ae | 1090 | circuit->priority[0]); |
1091 | write++; | |
1092 | } | |
1093 | } else { | |
1094 | for (i = 0; i < 2; i++) { | |
1095 | if (circuit->priority[i] | |
1096 | != DEFAULT_PRIORITY) { | |
1097 | vty_out(vty, | |
7c0cbd0e | 1098 | " " PROTO_NAME " priority %d level-%d\n", |
d62a17ae | 1099 | circuit->priority[i], |
1100 | i + 1); | |
1101 | write++; | |
1102 | } | |
1103 | } | |
1104 | } | |
1105 | ||
1106 | /* ISIS - Metric */ | |
1107 | if (circuit->te_metric[0] == circuit->te_metric[1]) { | |
1108 | if (circuit->te_metric[0] | |
1109 | != DEFAULT_CIRCUIT_METRIC) { | |
7c0cbd0e | 1110 | vty_out(vty, " " PROTO_NAME " metric %d\n", |
d62a17ae | 1111 | circuit->te_metric[0]); |
1112 | write++; | |
1113 | } | |
1114 | } else { | |
1115 | for (i = 0; i < 2; i++) { | |
1116 | if (circuit->te_metric[i] | |
1117 | != DEFAULT_CIRCUIT_METRIC) { | |
1118 | vty_out(vty, | |
7c0cbd0e | 1119 | " " PROTO_NAME " metric %d level-%d\n", |
d62a17ae | 1120 | circuit->te_metric[i], |
1121 | i + 1); | |
1122 | write++; | |
1123 | } | |
1124 | } | |
1125 | } | |
1126 | if (circuit->passwd.type == ISIS_PASSWD_TYPE_HMAC_MD5) { | |
7c0cbd0e | 1127 | vty_out(vty, " " PROTO_NAME " password md5 %s\n", |
d62a17ae | 1128 | circuit->passwd.passwd); |
1129 | write++; | |
1130 | } else if (circuit->passwd.type | |
1131 | == ISIS_PASSWD_TYPE_CLEARTXT) { | |
7c0cbd0e | 1132 | vty_out(vty, " " PROTO_NAME " password clear %s\n", |
d62a17ae | 1133 | circuit->passwd.passwd); |
1134 | write++; | |
1135 | } | |
5489eb45 CF |
1136 | write += hook_call(isis_circuit_config_write, |
1137 | circuit, vty); | |
d62a17ae | 1138 | } |
a8b828f3 | 1139 | vty_endframe(vty, "!\n"); |
d62a17ae | 1140 | } |
1141 | ||
1142 | return write; | |
eb5d44eb | 1143 | } |
eb5d44eb | 1144 | |
d62a17ae | 1145 | struct isis_circuit *isis_circuit_create(struct isis_area *area, |
1146 | struct interface *ifp) | |
eb5d44eb | 1147 | { |
d62a17ae | 1148 | struct isis_circuit *circuit = circuit_scan_by_ifp(ifp); |
1149 | if (circuit && circuit->area) | |
1150 | return NULL; | |
1151 | circuit = isis_csm_state_change(ISIS_ENABLE, circuit, area); | |
1152 | if (circuit->state != C_STATE_CONF && circuit->state != C_STATE_UP) | |
1153 | return circuit; | |
1154 | isis_circuit_if_bind(circuit, ifp); | |
1155 | return circuit; | |
eb5d44eb | 1156 | } |
1157 | ||
d62a17ae | 1158 | void isis_circuit_af_set(struct isis_circuit *circuit, bool ip_router, |
1159 | bool ipv6_router) | |
eb5d44eb | 1160 | { |
d62a17ae | 1161 | struct isis_area *area = circuit->area; |
1162 | bool change = circuit->ip_router != ip_router | |
1163 | || circuit->ipv6_router != ipv6_router; | |
d62a17ae | 1164 | |
1165 | area->ip_circuits += ip_router - circuit->ip_router; | |
1166 | area->ipv6_circuits += ipv6_router - circuit->ipv6_router; | |
1167 | circuit->ip_router = ip_router; | |
1168 | circuit->ipv6_router = ipv6_router; | |
1169 | ||
1170 | if (!change) | |
1171 | return; | |
1172 | ||
1173 | circuit_update_nlpids(circuit); | |
1174 | ||
1175 | if (!ip_router && !ipv6_router) | |
1176 | isis_csm_state_change(ISIS_DISABLE, circuit, area); | |
d62a17ae | 1177 | else |
1178 | lsp_regenerate_schedule(circuit->area, circuit->is_type, 0); | |
3f045a08 | 1179 | } |
eb5d44eb | 1180 | |
64dd3ffe | 1181 | ferr_r isis_circuit_passive_set(struct isis_circuit *circuit, bool passive) |
3f045a08 | 1182 | { |
d62a17ae | 1183 | if (circuit->is_passive == passive) |
64dd3ffe | 1184 | return ferr_ok(); |
d62a17ae | 1185 | |
1186 | if (if_is_loopback(circuit->interface) && !passive) | |
64dd3ffe | 1187 | return ferr_cfg_invalid("loopback is always passive"); |
d62a17ae | 1188 | |
1189 | if (circuit->state != C_STATE_UP) { | |
1190 | circuit->is_passive = passive; | |
1191 | } else { | |
1192 | struct isis_area *area = circuit->area; | |
1193 | isis_csm_state_change(ISIS_DISABLE, circuit, area); | |
1194 | circuit->is_passive = passive; | |
1195 | isis_csm_state_change(ISIS_ENABLE, circuit, area); | |
1196 | } | |
1197 | ||
64dd3ffe | 1198 | return ferr_ok(); |
eb5d44eb | 1199 | } |
1200 | ||
64dd3ffe DL |
1201 | ferr_r isis_circuit_metric_set(struct isis_circuit *circuit, int level, |
1202 | int metric) | |
3f045a08 | 1203 | { |
d62a17ae | 1204 | assert(level == IS_LEVEL_1 || level == IS_LEVEL_2); |
1205 | if (metric > MAX_WIDE_LINK_METRIC) | |
64dd3ffe DL |
1206 | return ferr_cfg_invalid("metric %d too large for wide metric", |
1207 | metric); | |
d62a17ae | 1208 | if (circuit->area && circuit->area->oldmetric |
1209 | && metric > MAX_NARROW_LINK_METRIC) | |
64dd3ffe DL |
1210 | return ferr_cfg_invalid("metric %d too large for narrow metric", |
1211 | metric); | |
d62a17ae | 1212 | |
1213 | circuit->te_metric[level - 1] = metric; | |
1214 | circuit->metric[level - 1] = metric; | |
1215 | ||
1216 | if (circuit->area) | |
1217 | lsp_regenerate_schedule(circuit->area, level, 0); | |
64dd3ffe | 1218 | return ferr_ok(); |
eb5d44eb | 1219 | } |
1220 | ||
64dd3ffe | 1221 | ferr_r isis_circuit_passwd_unset(struct isis_circuit *circuit) |
eb5d44eb | 1222 | { |
d62a17ae | 1223 | memset(&circuit->passwd, 0, sizeof(circuit->passwd)); |
64dd3ffe | 1224 | return ferr_ok(); |
3f045a08 JB |
1225 | } |
1226 | ||
d62a17ae | 1227 | static int isis_circuit_passwd_set(struct isis_circuit *circuit, |
d7c0a89a | 1228 | uint8_t passwd_type, const char *passwd) |
3f045a08 | 1229 | { |
d62a17ae | 1230 | int len; |
f390d2c7 | 1231 | |
d62a17ae | 1232 | if (!passwd) |
64dd3ffe | 1233 | return ferr_code_bug("no circuit password given"); |
50c7d14a | 1234 | |
d62a17ae | 1235 | len = strlen(passwd); |
1236 | if (len > 254) | |
64dd3ffe DL |
1237 | return ferr_code_bug( |
1238 | "circuit password too long (max 254 chars)"); | |
f390d2c7 | 1239 | |
d62a17ae | 1240 | circuit->passwd.len = len; |
1241 | strncpy((char *)circuit->passwd.passwd, passwd, 255); | |
1242 | circuit->passwd.type = passwd_type; | |
64dd3ffe | 1243 | return ferr_ok(); |
eb5d44eb | 1244 | } |
1245 | ||
64dd3ffe DL |
1246 | ferr_r isis_circuit_passwd_cleartext_set(struct isis_circuit *circuit, |
1247 | const char *passwd) | |
eb5d44eb | 1248 | { |
d62a17ae | 1249 | return isis_circuit_passwd_set(circuit, ISIS_PASSWD_TYPE_CLEARTXT, |
1250 | passwd); | |
50c7d14a | 1251 | } |
f390d2c7 | 1252 | |
64dd3ffe DL |
1253 | ferr_r isis_circuit_passwd_hmac_md5_set(struct isis_circuit *circuit, |
1254 | const char *passwd) | |
50c7d14a | 1255 | { |
d62a17ae | 1256 | return isis_circuit_passwd_set(circuit, ISIS_PASSWD_TYPE_HMAC_MD5, |
1257 | passwd); | |
eb5d44eb | 1258 | } |
64dd3ffe | 1259 | |
3f045a08 | 1260 | struct cmd_node interface_node = { |
9d303b37 | 1261 | INTERFACE_NODE, "%s(config-if)# ", 1, |
eb5d44eb | 1262 | }; |
1263 | ||
d0820765 | 1264 | void isis_circuit_circ_type_set(struct isis_circuit *circuit, int circ_type) |
3f045a08 | 1265 | { |
64dd3ffe | 1266 | if (circuit->circ_type == circ_type) |
d0820765 | 1267 | return; |
d62a17ae | 1268 | |
d62a17ae | 1269 | if (circuit->state != C_STATE_UP) { |
1270 | circuit->circ_type = circ_type; | |
1271 | circuit->circ_type_config = circ_type; | |
1272 | } else { | |
1273 | struct isis_area *area = circuit->area; | |
d62a17ae | 1274 | |
1275 | isis_csm_state_change(ISIS_DISABLE, circuit, area); | |
1276 | circuit->circ_type = circ_type; | |
1277 | circuit->circ_type_config = circ_type; | |
1278 | isis_csm_state_change(ISIS_ENABLE, circuit, area); | |
1279 | } | |
3f045a08 JB |
1280 | } |
1281 | ||
d62a17ae | 1282 | int isis_circuit_mt_enabled_set(struct isis_circuit *circuit, uint16_t mtid, |
1283 | bool enabled) | |
064f4896 | 1284 | { |
d62a17ae | 1285 | struct isis_circuit_mt_setting *setting; |
064f4896 | 1286 | |
d62a17ae | 1287 | setting = circuit_get_mt_setting(circuit, mtid); |
1288 | if (setting->enabled != enabled) { | |
1289 | setting->enabled = enabled; | |
1290 | lsp_regenerate_schedule(circuit->area, IS_LEVEL_1 | IS_LEVEL_2, | |
1291 | 0); | |
1292 | } | |
064f4896 | 1293 | |
d62a17ae | 1294 | return CMD_SUCCESS; |
064f4896 CF |
1295 | } |
1296 | ||
d62a17ae | 1297 | int isis_if_new_hook(struct interface *ifp) |
eb5d44eb | 1298 | { |
d62a17ae | 1299 | return 0; |
eb5d44eb | 1300 | } |
1301 | ||
d62a17ae | 1302 | int isis_if_delete_hook(struct interface *ifp) |
eb5d44eb | 1303 | { |
d62a17ae | 1304 | struct isis_circuit *circuit; |
1305 | /* Clean up the circuit data */ | |
1306 | if (ifp && ifp->info) { | |
1307 | circuit = ifp->info; | |
1308 | isis_csm_state_change(IF_DOWN_FROM_Z, circuit, circuit->area); | |
1309 | isis_csm_state_change(ISIS_DISABLE, circuit, circuit->area); | |
1310 | } | |
1311 | ||
1312 | return 0; | |
eb5d44eb | 1313 | } |
1314 | ||
d62a17ae | 1315 | void isis_circuit_init() |
eb5d44eb | 1316 | { |
d62a17ae | 1317 | /* Initialize Zebra interface data structure */ |
ce19a04a DL |
1318 | hook_register_prio(if_add, 0, isis_if_new_hook); |
1319 | hook_register_prio(if_del, 0, isis_if_delete_hook); | |
eb5d44eb | 1320 | |
d62a17ae | 1321 | /* Install interface node */ |
1322 | install_node(&interface_node, isis_interface_config_write); | |
1323 | if_cmd_init(); | |
eb5d44eb | 1324 | } |