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ef020087 CF |
1 | /* |
2 | * IS-IS Rout(e)ing protocol - isis_vty_common.c | |
3 | * | |
4 | * This file contains the CLI that is shared between OpenFabric and IS-IS | |
5 | * | |
6 | * Copyright (C) 2001,2002 Sampo Saaristo | |
7 | * Tampere University of Technology | |
8 | * Institute of Communications Engineering | |
9 | * Copyright (C) 2016 David Lamparter, for NetDEF, Inc. | |
10 | * Copyright (C) 2018 Christian Franke, for NetDEF, Inc. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify it | |
13 | * under the terms of the GNU General Public Licenseas published by the Free | |
14 | * Software Foundation; either version 2 of the License, or (at your option) | |
15 | * any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful,but WITHOUT | |
18 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
19 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
20 | * more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License along | |
23 | * with this program; see the file COPYING; if not, write to the Free Software | |
24 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
25 | */ | |
26 | ||
27 | #include <zebra.h> | |
28 | ||
29 | #include "command.h" | |
30 | #include "spf_backoff.h" | |
215eccb0 | 31 | #include "bfd.h" |
ef020087 CF |
32 | |
33 | #include "isis_circuit.h" | |
34 | #include "isis_csm.h" | |
35 | #include "isis_misc.h" | |
36 | #include "isis_mt.h" | |
37 | #include "isisd.h" | |
215eccb0 | 38 | #include "isis_bfd.h" |
ef020087 CF |
39 | #include "isis_vty_common.h" |
40 | ||
41 | struct isis_circuit *isis_circuit_lookup(struct vty *vty) | |
42 | { | |
43 | struct interface *ifp = VTY_GET_CONTEXT(interface); | |
44 | struct isis_circuit *circuit; | |
45 | ||
46 | if (!ifp) { | |
47 | vty_out(vty, "Invalid interface \n"); | |
48 | return NULL; | |
49 | } | |
50 | ||
51 | circuit = circuit_scan_by_ifp(ifp); | |
52 | if (!circuit) { | |
53 | vty_out(vty, "ISIS is not enabled on circuit %s\n", ifp->name); | |
54 | return NULL; | |
55 | } | |
56 | ||
57 | return circuit; | |
58 | } | |
59 | ||
60 | DEFUN (ip_router_isis, | |
61 | ip_router_isis_cmd, | |
62 | "ip router " PROTO_NAME " WORD", | |
63 | "Interface Internet Protocol config commands\n" | |
64 | "IP router interface commands\n" | |
65 | PROTO_HELP | |
66 | "Routing process tag\n") | |
67 | { | |
68 | int idx_afi = 0; | |
69 | int idx_word = 3; | |
70 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
71 | struct isis_circuit *circuit; | |
72 | struct isis_area *area; | |
73 | const char *af = argv[idx_afi]->arg; | |
74 | const char *area_tag = argv[idx_word]->arg; | |
75 | ||
76 | /* Prevent more than one area per circuit */ | |
77 | circuit = circuit_scan_by_ifp(ifp); | |
78 | if (circuit && circuit->area) { | |
79 | if (strcmp(circuit->area->area_tag, area_tag)) { | |
80 | vty_out(vty, "ISIS circuit is already defined on %s\n", | |
81 | circuit->area->area_tag); | |
82 | return CMD_ERR_NOTHING_TODO; | |
83 | } | |
84 | } | |
85 | ||
86 | area = isis_area_lookup(area_tag); | |
87 | if (!area) | |
88 | area = isis_area_create(area_tag); | |
89 | ||
90 | if (!circuit || !circuit->area) { | |
91 | circuit = isis_circuit_create(area, ifp); | |
92 | ||
93 | if (circuit->state != C_STATE_CONF | |
94 | && circuit->state != C_STATE_UP) { | |
95 | vty_out(vty, | |
96 | "Couldn't bring up interface, please check log.\n"); | |
97 | return CMD_WARNING_CONFIG_FAILED; | |
98 | } | |
99 | } | |
100 | ||
101 | bool ip = circuit->ip_router, ipv6 = circuit->ipv6_router; | |
102 | if (af[2] != '\0') | |
103 | ipv6 = true; | |
104 | else | |
105 | ip = true; | |
106 | ||
107 | isis_circuit_af_set(circuit, ip, ipv6); | |
108 | return CMD_SUCCESS; | |
109 | } | |
110 | ||
111 | DEFUN (ip6_router_isis, | |
112 | ip6_router_isis_cmd, | |
113 | "ipv6 router " PROTO_NAME " WORD", | |
114 | "Interface Internet Protocol config commands\n" | |
115 | "IP router interface commands\n" | |
116 | PROTO_HELP | |
117 | "Routing process tag\n") | |
118 | { | |
119 | return ip_router_isis(self, vty, argc, argv); | |
120 | } | |
121 | ||
122 | DEFUN (no_ip_router_isis, | |
123 | no_ip_router_isis_cmd, | |
124 | "no <ip|ipv6> router " PROTO_NAME " WORD", | |
125 | NO_STR | |
126 | "Interface Internet Protocol config commands\n" | |
127 | "IP router interface commands\n" | |
128 | "IP router interface commands\n" | |
129 | PROTO_HELP | |
130 | "Routing process tag\n") | |
131 | { | |
132 | int idx_afi = 1; | |
133 | int idx_word = 4; | |
134 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
135 | struct isis_area *area; | |
136 | struct isis_circuit *circuit; | |
137 | const char *af = argv[idx_afi]->arg; | |
138 | const char *area_tag = argv[idx_word]->arg; | |
139 | ||
140 | area = isis_area_lookup(area_tag); | |
141 | if (!area) { | |
142 | vty_out(vty, "Can't find ISIS instance %s\n", | |
32c248ef | 143 | area_tag); |
ef020087 CF |
144 | return CMD_ERR_NO_MATCH; |
145 | } | |
146 | ||
147 | circuit = circuit_lookup_by_ifp(ifp, area->circuit_list); | |
148 | if (!circuit) { | |
149 | vty_out(vty, "ISIS is not enabled on circuit %s\n", ifp->name); | |
150 | return CMD_ERR_NO_MATCH; | |
151 | } | |
152 | ||
153 | bool ip = circuit->ip_router, ipv6 = circuit->ipv6_router; | |
154 | if (af[2] != '\0') | |
155 | ipv6 = false; | |
156 | else | |
157 | ip = false; | |
158 | ||
159 | isis_circuit_af_set(circuit, ip, ipv6); | |
160 | return CMD_SUCCESS; | |
161 | } | |
162 | ||
163 | DEFUN (isis_passive, | |
164 | isis_passive_cmd, | |
165 | PROTO_NAME " passive", | |
166 | PROTO_HELP | |
167 | "Configure the passive mode for interface\n") | |
168 | { | |
169 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
170 | if (!circuit) | |
171 | return CMD_ERR_NO_MATCH; | |
172 | ||
173 | CMD_FERR_RETURN(isis_circuit_passive_set(circuit, 1), | |
174 | "Cannot set passive: $ERR"); | |
175 | return CMD_SUCCESS; | |
176 | } | |
177 | ||
178 | DEFUN (no_isis_passive, | |
179 | no_isis_passive_cmd, | |
180 | "no " PROTO_NAME " passive", | |
181 | NO_STR | |
182 | PROTO_HELP | |
183 | "Configure the passive mode for interface\n") | |
184 | { | |
185 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
186 | if (!circuit) | |
187 | return CMD_ERR_NO_MATCH; | |
188 | ||
189 | CMD_FERR_RETURN(isis_circuit_passive_set(circuit, 0), | |
190 | "Cannot set no passive: $ERR"); | |
191 | return CMD_SUCCESS; | |
192 | } | |
193 | ||
194 | DEFUN (isis_passwd, | |
195 | isis_passwd_cmd, | |
196 | PROTO_NAME " password <md5|clear> WORD", | |
197 | PROTO_HELP | |
198 | "Configure the authentication password for a circuit\n" | |
199 | "HMAC-MD5 authentication\n" | |
200 | "Cleartext password\n" | |
201 | "Circuit password\n") | |
202 | { | |
203 | int idx_encryption = 2; | |
204 | int idx_word = 3; | |
205 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
206 | ferr_r rv; | |
207 | ||
208 | if (!circuit) | |
209 | return CMD_ERR_NO_MATCH; | |
210 | ||
211 | if (argv[idx_encryption]->arg[0] == 'm') | |
212 | rv = isis_circuit_passwd_hmac_md5_set(circuit, | |
213 | argv[idx_word]->arg); | |
214 | else | |
215 | rv = isis_circuit_passwd_cleartext_set(circuit, | |
216 | argv[idx_word]->arg); | |
217 | ||
218 | CMD_FERR_RETURN(rv, "Failed to set circuit password: $ERR"); | |
219 | return CMD_SUCCESS; | |
220 | } | |
221 | ||
222 | DEFUN (no_isis_passwd, | |
223 | no_isis_passwd_cmd, | |
224 | "no " PROTO_NAME " password [<md5|clear> WORD]", | |
225 | NO_STR | |
226 | PROTO_HELP | |
227 | "Configure the authentication password for a circuit\n" | |
228 | "HMAC-MD5 authentication\n" | |
229 | "Cleartext password\n" | |
230 | "Circuit password\n") | |
231 | { | |
232 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
233 | if (!circuit) | |
234 | return CMD_ERR_NO_MATCH; | |
235 | ||
236 | CMD_FERR_RETURN(isis_circuit_passwd_unset(circuit), | |
237 | "Failed to unset circuit password: $ERR"); | |
238 | return CMD_SUCCESS; | |
239 | } | |
240 | ||
241 | DEFUN (isis_metric, | |
242 | isis_metric_cmd, | |
243 | PROTO_NAME " metric (0-16777215)", | |
244 | PROTO_HELP | |
245 | "Set default metric for circuit\n" | |
246 | "Default metric value\n") | |
247 | { | |
248 | int idx_number = 2; | |
249 | int met; | |
250 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
251 | if (!circuit) | |
252 | return CMD_ERR_NO_MATCH; | |
253 | ||
254 | met = atoi(argv[idx_number]->arg); | |
255 | ||
256 | /* RFC3787 section 5.1 */ | |
257 | if (circuit->area && circuit->area->oldmetric == 1 | |
258 | && met > MAX_NARROW_LINK_METRIC) { | |
259 | vty_out(vty, | |
260 | "Invalid metric %d - should be <0-63> " | |
261 | "when narrow metric type enabled\n", | |
262 | met); | |
263 | return CMD_WARNING_CONFIG_FAILED; | |
264 | } | |
265 | ||
266 | /* RFC4444 */ | |
267 | if (circuit->area && circuit->area->newmetric == 1 | |
268 | && met > MAX_WIDE_LINK_METRIC) { | |
269 | vty_out(vty, | |
270 | "Invalid metric %d - should be <0-16777215> " | |
271 | "when wide metric type enabled\n", | |
272 | met); | |
273 | return CMD_WARNING_CONFIG_FAILED; | |
274 | } | |
275 | ||
276 | CMD_FERR_RETURN(isis_circuit_metric_set(circuit, IS_LEVEL_1, met), | |
277 | "Failed to set L1 metric: $ERR"); | |
278 | CMD_FERR_RETURN(isis_circuit_metric_set(circuit, IS_LEVEL_2, met), | |
279 | "Failed to set L2 metric: $ERR"); | |
280 | return CMD_SUCCESS; | |
281 | } | |
282 | ||
283 | DEFUN (no_isis_metric, | |
284 | no_isis_metric_cmd, | |
285 | "no " PROTO_NAME " metric [(0-16777215)]", | |
286 | NO_STR | |
287 | PROTO_HELP | |
288 | "Set default metric for circuit\n" | |
289 | "Default metric value\n") | |
290 | { | |
291 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
292 | if (!circuit) | |
293 | return CMD_ERR_NO_MATCH; | |
294 | ||
295 | CMD_FERR_RETURN(isis_circuit_metric_set(circuit, IS_LEVEL_1, | |
296 | DEFAULT_CIRCUIT_METRIC), | |
297 | "Failed to set L1 metric: $ERR"); | |
298 | CMD_FERR_RETURN(isis_circuit_metric_set(circuit, IS_LEVEL_2, | |
299 | DEFAULT_CIRCUIT_METRIC), | |
300 | "Failed to set L2 metric: $ERR"); | |
301 | return CMD_SUCCESS; | |
302 | } | |
303 | ||
304 | DEFUN (isis_hello_interval, | |
305 | isis_hello_interval_cmd, | |
306 | PROTO_NAME " hello-interval (1-600)", | |
307 | PROTO_HELP | |
308 | "Set Hello interval\n" | |
309 | "Holdtime 1 seconds, interval depends on multiplier\n") | |
310 | { | |
311 | uint32_t interval = atoi(argv[2]->arg); | |
312 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
313 | if (!circuit) | |
314 | return CMD_ERR_NO_MATCH; | |
315 | ||
316 | circuit->hello_interval[0] = interval; | |
317 | circuit->hello_interval[1] = interval; | |
318 | ||
319 | return CMD_SUCCESS; | |
320 | } | |
321 | ||
322 | DEFUN (no_isis_hello_interval, | |
323 | no_isis_hello_interval_cmd, | |
324 | "no " PROTO_NAME " hello-interval [(1-600)]", | |
325 | NO_STR | |
326 | PROTO_HELP | |
327 | "Set Hello interval\n" | |
328 | "Holdtime 1 second, interval depends on multiplier\n") | |
329 | { | |
330 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
331 | if (!circuit) | |
332 | return CMD_ERR_NO_MATCH; | |
333 | ||
334 | circuit->hello_interval[0] = DEFAULT_HELLO_INTERVAL; | |
335 | circuit->hello_interval[1] = DEFAULT_HELLO_INTERVAL; | |
336 | ||
337 | return CMD_SUCCESS; | |
338 | } | |
339 | ||
340 | DEFUN (isis_hello_multiplier, | |
341 | isis_hello_multiplier_cmd, | |
342 | PROTO_NAME " hello-multiplier (2-100)", | |
343 | PROTO_HELP | |
344 | "Set multiplier for Hello holding time\n" | |
345 | "Hello multiplier value\n") | |
346 | { | |
347 | uint16_t mult = atoi(argv[2]->arg); | |
348 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
349 | if (!circuit) | |
350 | return CMD_ERR_NO_MATCH; | |
351 | ||
352 | circuit->hello_multiplier[0] = mult; | |
353 | circuit->hello_multiplier[1] = mult; | |
354 | ||
355 | return CMD_SUCCESS; | |
356 | } | |
357 | ||
358 | DEFUN (no_isis_hello_multiplier, | |
359 | no_isis_hello_multiplier_cmd, | |
360 | "no " PROTO_NAME " hello-multiplier [(2-100)]", | |
361 | NO_STR | |
362 | PROTO_HELP | |
363 | "Set multiplier for Hello holding time\n" | |
364 | "Hello multiplier value\n") | |
365 | { | |
366 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
367 | if (!circuit) | |
368 | return CMD_ERR_NO_MATCH; | |
369 | ||
370 | circuit->hello_multiplier[0] = DEFAULT_HELLO_MULTIPLIER; | |
371 | circuit->hello_multiplier[1] = DEFAULT_HELLO_MULTIPLIER; | |
372 | ||
373 | return CMD_SUCCESS; | |
374 | } | |
375 | ||
376 | DEFUN (csnp_interval, | |
377 | csnp_interval_cmd, | |
378 | PROTO_NAME " csnp-interval (1-600)", | |
379 | PROTO_HELP | |
380 | "Set CSNP interval in seconds\n" | |
381 | "CSNP interval value\n") | |
382 | { | |
383 | uint16_t interval = atoi(argv[2]->arg); | |
384 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
385 | if (!circuit) | |
386 | return CMD_ERR_NO_MATCH; | |
387 | ||
388 | circuit->csnp_interval[0] = interval; | |
389 | circuit->csnp_interval[1] = interval; | |
390 | ||
391 | return CMD_SUCCESS; | |
392 | } | |
393 | ||
394 | DEFUN (no_csnp_interval, | |
395 | no_csnp_interval_cmd, | |
396 | "no " PROTO_NAME " csnp-interval [(1-600)]", | |
397 | NO_STR | |
398 | PROTO_HELP | |
399 | "Set CSNP interval in seconds\n" | |
400 | "CSNP interval value\n") | |
401 | { | |
402 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
403 | if (!circuit) | |
404 | return CMD_ERR_NO_MATCH; | |
405 | ||
406 | circuit->csnp_interval[0] = DEFAULT_CSNP_INTERVAL; | |
407 | circuit->csnp_interval[1] = DEFAULT_CSNP_INTERVAL; | |
408 | ||
409 | return CMD_SUCCESS; | |
410 | } | |
411 | ||
412 | DEFUN (psnp_interval, | |
413 | psnp_interval_cmd, | |
414 | PROTO_NAME " psnp-interval (1-120)", | |
415 | PROTO_HELP | |
416 | "Set PSNP interval in seconds\n" | |
417 | "PSNP interval value\n") | |
418 | { | |
419 | uint16_t interval = atoi(argv[2]->arg); | |
420 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
421 | if (!circuit) | |
422 | return CMD_ERR_NO_MATCH; | |
423 | ||
424 | circuit->psnp_interval[0] = interval; | |
425 | circuit->psnp_interval[1] = interval; | |
426 | ||
427 | return CMD_SUCCESS; | |
428 | } | |
429 | ||
430 | DEFUN (no_psnp_interval, | |
431 | no_psnp_interval_cmd, | |
432 | "no " PROTO_NAME " psnp-interval [(1-120)]", | |
433 | NO_STR | |
434 | PROTO_HELP | |
435 | "Set PSNP interval in seconds\n" | |
436 | "PSNP interval value\n") | |
437 | { | |
438 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
439 | if (!circuit) | |
440 | return CMD_ERR_NO_MATCH; | |
441 | ||
442 | circuit->psnp_interval[0] = DEFAULT_PSNP_INTERVAL; | |
443 | circuit->psnp_interval[1] = DEFAULT_PSNP_INTERVAL; | |
444 | ||
445 | return CMD_SUCCESS; | |
446 | } | |
447 | ||
448 | DEFUN (circuit_topology, | |
449 | circuit_topology_cmd, | |
450 | PROTO_NAME " topology " ISIS_MT_NAMES, | |
451 | PROTO_HELP | |
452 | "Configure interface IS-IS topologies\n" | |
453 | ISIS_MT_DESCRIPTIONS) | |
454 | { | |
455 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
456 | if (!circuit) | |
457 | return CMD_ERR_NO_MATCH; | |
458 | const char *arg = argv[2]->arg; | |
459 | uint16_t mtid = isis_str2mtid(arg); | |
460 | ||
461 | if (circuit->area && circuit->area->oldmetric) { | |
462 | vty_out(vty, | |
463 | "Multi topology IS-IS can only be used with wide metrics\n"); | |
464 | return CMD_WARNING_CONFIG_FAILED; | |
465 | } | |
466 | ||
467 | if (mtid == (uint16_t)-1) { | |
468 | vty_out(vty, "Don't know topology '%s'\n", arg); | |
469 | return CMD_WARNING_CONFIG_FAILED; | |
470 | } | |
471 | ||
472 | return isis_circuit_mt_enabled_set(circuit, mtid, true); | |
473 | } | |
474 | ||
475 | DEFUN (no_circuit_topology, | |
476 | no_circuit_topology_cmd, | |
477 | "no " PROTO_NAME " topology " ISIS_MT_NAMES, | |
478 | NO_STR | |
479 | PROTO_HELP | |
480 | "Configure interface IS-IS topologies\n" | |
481 | ISIS_MT_DESCRIPTIONS) | |
482 | { | |
483 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
484 | if (!circuit) | |
485 | return CMD_ERR_NO_MATCH; | |
486 | const char *arg = argv[3]->arg; | |
487 | uint16_t mtid = isis_str2mtid(arg); | |
488 | ||
489 | if (circuit->area && circuit->area->oldmetric) { | |
490 | vty_out(vty, | |
491 | "Multi topology IS-IS can only be used with wide metrics\n"); | |
492 | return CMD_WARNING_CONFIG_FAILED; | |
493 | } | |
494 | ||
495 | if (mtid == (uint16_t)-1) { | |
496 | vty_out(vty, "Don't know topology '%s'\n", arg); | |
497 | return CMD_WARNING_CONFIG_FAILED; | |
498 | } | |
499 | ||
500 | return isis_circuit_mt_enabled_set(circuit, mtid, false); | |
501 | } | |
502 | ||
215eccb0 CF |
503 | DEFUN (isis_bfd, |
504 | isis_bfd_cmd, | |
505 | PROTO_NAME " bfd", | |
506 | PROTO_HELP | |
507 | "Enable BFD support\n") | |
508 | { | |
509 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
5489eb45 | 510 | |
215eccb0 CF |
511 | if (!circuit) |
512 | return CMD_ERR_NO_MATCH; | |
513 | ||
514 | if (circuit->bfd_info | |
515 | && CHECK_FLAG(circuit->bfd_info->flags, BFD_FLAG_PARAM_CFG)) { | |
516 | return CMD_SUCCESS; | |
517 | } | |
518 | ||
519 | isis_bfd_circuit_param_set(circuit, BFD_DEF_MIN_RX, | |
520 | BFD_DEF_MIN_TX, BFD_DEF_DETECT_MULT, true); | |
521 | ||
522 | return CMD_SUCCESS; | |
523 | } | |
524 | ||
215eccb0 CF |
525 | DEFUN (no_isis_bfd, |
526 | no_isis_bfd_cmd, | |
215eccb0 | 527 | "no " PROTO_NAME " bfd", |
215eccb0 CF |
528 | NO_STR |
529 | PROTO_HELP | |
530 | "Disables BFD support\n" | |
215eccb0 CF |
531 | ) |
532 | { | |
533 | struct isis_circuit *circuit = isis_circuit_lookup(vty); | |
5489eb45 | 534 | |
215eccb0 CF |
535 | if (!circuit) |
536 | return CMD_ERR_NO_MATCH; | |
537 | ||
538 | if (!circuit->bfd_info) | |
539 | return CMD_SUCCESS; | |
540 | ||
541 | isis_bfd_circuit_cmd(circuit, ZEBRA_BFD_DEST_DEREGISTER); | |
542 | bfd_info_free(&circuit->bfd_info); | |
543 | return CMD_SUCCESS; | |
544 | } | |
545 | ||
ef020087 CF |
546 | DEFUN (set_overload_bit, |
547 | set_overload_bit_cmd, | |
548 | "set-overload-bit", | |
549 | "Set overload bit to avoid any transit traffic\n") | |
550 | { | |
551 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
552 | ||
553 | isis_area_overload_bit_set(area, true); | |
554 | return CMD_SUCCESS; | |
555 | } | |
556 | ||
557 | DEFUN (no_set_overload_bit, | |
558 | no_set_overload_bit_cmd, | |
559 | "no set-overload-bit", | |
560 | "Reset overload bit to accept transit traffic\n" | |
561 | "Reset overload bit\n") | |
562 | { | |
563 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
564 | ||
565 | isis_area_overload_bit_set(area, false); | |
566 | return CMD_SUCCESS; | |
567 | } | |
568 | ||
569 | static int isis_vty_lsp_mtu_set(struct vty *vty, unsigned int lsp_mtu) | |
570 | { | |
571 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
572 | struct listnode *node; | |
573 | struct isis_circuit *circuit; | |
574 | ||
575 | for (ALL_LIST_ELEMENTS_RO(area->circuit_list, node, circuit)) { | |
576 | if (circuit->state != C_STATE_INIT | |
577 | && circuit->state != C_STATE_UP) | |
578 | continue; | |
579 | if (lsp_mtu > isis_circuit_pdu_size(circuit)) { | |
580 | vty_out(vty, | |
581 | "ISIS area contains circuit %s, which has a maximum PDU size of %zu.\n", | |
582 | circuit->interface->name, | |
583 | isis_circuit_pdu_size(circuit)); | |
584 | return CMD_WARNING_CONFIG_FAILED; | |
585 | } | |
586 | } | |
587 | ||
588 | isis_area_lsp_mtu_set(area, lsp_mtu); | |
589 | return CMD_SUCCESS; | |
590 | } | |
591 | ||
592 | DEFUN (area_lsp_mtu, | |
593 | area_lsp_mtu_cmd, | |
594 | "lsp-mtu (128-4352)", | |
595 | "Configure the maximum size of generated LSPs\n" | |
596 | "Maximum size of generated LSPs\n") | |
597 | { | |
598 | int idx_number = 1; | |
599 | unsigned int lsp_mtu; | |
600 | ||
601 | lsp_mtu = strtoul(argv[idx_number]->arg, NULL, 10); | |
602 | ||
603 | return isis_vty_lsp_mtu_set(vty, lsp_mtu); | |
604 | } | |
605 | ||
606 | DEFUN (no_area_lsp_mtu, | |
607 | no_area_lsp_mtu_cmd, | |
608 | "no lsp-mtu [(128-4352)]", | |
609 | NO_STR | |
610 | "Configure the maximum size of generated LSPs\n" | |
611 | "Maximum size of generated LSPs\n") | |
612 | { | |
613 | return isis_vty_lsp_mtu_set(vty, DEFAULT_LSP_MTU); | |
614 | } | |
615 | ||
2c92bee4 CF |
616 | DEFUN (area_purge_originator, |
617 | area_purge_originator_cmd, | |
618 | "[no] purge-originator", | |
619 | NO_STR | |
620 | "Use the RFC 6232 purge-originator\n") | |
621 | { | |
622 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
623 | ||
624 | area->purge_originator = !!strcmp(argv[0]->text, "no"); | |
625 | return CMD_SUCCESS; | |
626 | } | |
627 | ||
ef020087 CF |
628 | int isis_vty_lsp_gen_interval_set(struct vty *vty, int level, uint16_t interval) |
629 | { | |
630 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
631 | int lvl; | |
632 | ||
633 | for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; ++lvl) { | |
634 | if (!(lvl & level)) | |
635 | continue; | |
636 | ||
637 | if (interval >= area->lsp_refresh[lvl - 1]) { | |
638 | vty_out(vty, | |
639 | "LSP gen interval %us must be less than " | |
640 | "the LSP refresh interval %us\n", | |
641 | interval, area->lsp_refresh[lvl - 1]); | |
642 | return CMD_WARNING_CONFIG_FAILED; | |
643 | } | |
644 | } | |
645 | ||
646 | for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; ++lvl) { | |
647 | if (!(lvl & level)) | |
648 | continue; | |
649 | area->lsp_gen_interval[lvl - 1] = interval; | |
650 | } | |
651 | ||
652 | return CMD_SUCCESS; | |
653 | } | |
654 | ||
655 | DEFUN (lsp_gen_interval, | |
656 | lsp_gen_interval_cmd, | |
657 | "lsp-gen-interval (1-120)", | |
658 | "Minimum interval between regenerating same LSP\n" | |
659 | "Minimum interval in seconds\n") | |
660 | { | |
661 | uint16_t interval = atoi(argv[1]->arg); | |
662 | ||
663 | return isis_vty_lsp_gen_interval_set(vty, IS_LEVEL_1_AND_2, interval); | |
664 | } | |
665 | ||
666 | DEFUN (no_lsp_gen_interval, | |
667 | no_lsp_gen_interval_cmd, | |
668 | "no lsp-gen-interval [(1-120)]", | |
669 | NO_STR | |
670 | "Minimum interval between regenerating same LSP\n" | |
671 | "Minimum interval in seconds\n") | |
672 | { | |
673 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
674 | ||
675 | return isis_vty_lsp_gen_interval_set(vty, IS_LEVEL_1_AND_2, | |
676 | DEFAULT_MIN_LSP_GEN_INTERVAL); | |
677 | } | |
678 | ||
679 | DEFUN (spf_interval, | |
680 | spf_interval_cmd, | |
681 | "spf-interval (1-120)", | |
682 | "Minimum interval between SPF calculations\n" | |
683 | "Minimum interval between consecutive SPFs in seconds\n") | |
684 | { | |
685 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
686 | uint16_t interval = atoi(argv[1]->arg); | |
687 | ||
688 | area->min_spf_interval[0] = interval; | |
689 | area->min_spf_interval[1] = interval; | |
690 | ||
691 | return CMD_SUCCESS; | |
692 | } | |
693 | ||
694 | DEFUN (no_spf_interval, | |
695 | no_spf_interval_cmd, | |
696 | "no spf-interval [(1-120)]", | |
697 | NO_STR | |
698 | "Minimum interval between SPF calculations\n" | |
699 | "Minimum interval between consecutive SPFs in seconds\n") | |
700 | { | |
701 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
702 | ||
703 | area->min_spf_interval[0] = MINIMUM_SPF_INTERVAL; | |
704 | area->min_spf_interval[1] = MINIMUM_SPF_INTERVAL; | |
705 | ||
706 | return CMD_SUCCESS; | |
707 | } | |
708 | ||
709 | DEFUN (no_spf_delay_ietf, | |
710 | no_spf_delay_ietf_cmd, | |
711 | "no spf-delay-ietf", | |
712 | NO_STR | |
713 | "IETF SPF delay algorithm\n") | |
714 | { | |
715 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
716 | ||
717 | spf_backoff_free(area->spf_delay_ietf[0]); | |
718 | spf_backoff_free(area->spf_delay_ietf[1]); | |
719 | area->spf_delay_ietf[0] = NULL; | |
720 | area->spf_delay_ietf[1] = NULL; | |
721 | ||
722 | return CMD_SUCCESS; | |
723 | } | |
724 | ||
725 | DEFUN (spf_delay_ietf, | |
726 | spf_delay_ietf_cmd, | |
727 | "spf-delay-ietf init-delay (0-60000) short-delay (0-60000) long-delay (0-60000) holddown (0-60000) time-to-learn (0-60000)", | |
728 | "IETF SPF delay algorithm\n" | |
729 | "Delay used while in QUIET state\n" | |
730 | "Delay used while in QUIET state in milliseconds\n" | |
731 | "Delay used while in SHORT_WAIT state\n" | |
732 | "Delay used while in SHORT_WAIT state in milliseconds\n" | |
733 | "Delay used while in LONG_WAIT\n" | |
734 | "Delay used while in LONG_WAIT state in milliseconds\n" | |
735 | "Time with no received IGP events before considering IGP stable\n" | |
736 | "Time with no received IGP events before considering IGP stable (in milliseconds)\n" | |
737 | "Maximum duration needed to learn all the events related to a single failure\n" | |
738 | "Maximum duration needed to learn all the events related to a single failure (in milliseconds)\n") | |
739 | { | |
740 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
741 | ||
742 | long init_delay = atol(argv[2]->arg); | |
743 | long short_delay = atol(argv[4]->arg); | |
744 | long long_delay = atol(argv[6]->arg); | |
745 | long holddown = atol(argv[8]->arg); | |
746 | long timetolearn = atol(argv[10]->arg); | |
747 | ||
748 | size_t bufsiz = strlen(area->area_tag) + sizeof("IS-IS Lx"); | |
749 | char *buf = XCALLOC(MTYPE_TMP, bufsiz); | |
750 | ||
751 | snprintf(buf, bufsiz, "IS-IS %s L1", area->area_tag); | |
752 | spf_backoff_free(area->spf_delay_ietf[0]); | |
753 | area->spf_delay_ietf[0] = | |
754 | spf_backoff_new(master, buf, init_delay, short_delay, | |
755 | long_delay, holddown, timetolearn); | |
756 | ||
757 | snprintf(buf, bufsiz, "IS-IS %s L2", area->area_tag); | |
758 | spf_backoff_free(area->spf_delay_ietf[1]); | |
759 | area->spf_delay_ietf[1] = | |
760 | spf_backoff_new(master, buf, init_delay, short_delay, | |
761 | long_delay, holddown, timetolearn); | |
762 | ||
763 | XFREE(MTYPE_TMP, buf); | |
764 | return CMD_SUCCESS; | |
765 | } | |
766 | ||
767 | int isis_vty_max_lsp_lifetime_set(struct vty *vty, int level, uint16_t interval) | |
768 | { | |
769 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
770 | int lvl; | |
771 | uint16_t refresh_interval = interval - 300; | |
772 | int set_refresh_interval[ISIS_LEVELS] = {0, 0}; | |
773 | ||
774 | for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; lvl++) { | |
775 | if (!(lvl & level)) | |
776 | continue; | |
777 | ||
778 | if (refresh_interval < area->lsp_refresh[lvl - 1]) { | |
779 | vty_out(vty, | |
780 | "Level %d Max LSP lifetime %us must be 300s greater than " | |
781 | "the configured LSP refresh interval %us\n", | |
782 | lvl, interval, area->lsp_refresh[lvl - 1]); | |
783 | vty_out(vty, | |
784 | "Automatically reducing level %d LSP refresh interval " | |
785 | "to %us\n", | |
786 | lvl, refresh_interval); | |
787 | set_refresh_interval[lvl - 1] = 1; | |
788 | ||
789 | if (refresh_interval | |
790 | <= area->lsp_gen_interval[lvl - 1]) { | |
791 | vty_out(vty, | |
792 | "LSP refresh interval %us must be greater than " | |
793 | "the configured LSP gen interval %us\n", | |
794 | refresh_interval, | |
795 | area->lsp_gen_interval[lvl - 1]); | |
796 | return CMD_WARNING_CONFIG_FAILED; | |
797 | } | |
798 | } | |
799 | } | |
800 | ||
801 | for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; lvl++) { | |
802 | if (!(lvl & level)) | |
803 | continue; | |
804 | isis_area_max_lsp_lifetime_set(area, lvl, interval); | |
805 | if (set_refresh_interval[lvl - 1]) | |
806 | isis_area_lsp_refresh_set(area, lvl, refresh_interval); | |
807 | } | |
808 | ||
809 | return CMD_SUCCESS; | |
810 | } | |
811 | ||
812 | DEFUN (max_lsp_lifetime, | |
813 | max_lsp_lifetime_cmd, | |
814 | "max-lsp-lifetime (350-65535)", | |
815 | "Maximum LSP lifetime\n" | |
816 | "LSP lifetime in seconds\n") | |
817 | { | |
818 | int lifetime = atoi(argv[1]->arg); | |
819 | ||
820 | return isis_vty_max_lsp_lifetime_set(vty, IS_LEVEL_1_AND_2, lifetime); | |
821 | } | |
822 | ||
823 | ||
824 | DEFUN (no_max_lsp_lifetime, | |
825 | no_max_lsp_lifetime_cmd, | |
826 | "no max-lsp-lifetime [(350-65535)]", | |
827 | NO_STR | |
828 | "Maximum LSP lifetime\n" | |
829 | "LSP lifetime in seconds\n") | |
830 | { | |
831 | return isis_vty_max_lsp_lifetime_set(vty, IS_LEVEL_1_AND_2, | |
832 | DEFAULT_LSP_LIFETIME); | |
833 | } | |
834 | ||
835 | int isis_vty_lsp_refresh_set(struct vty *vty, int level, uint16_t interval) | |
836 | { | |
837 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
838 | int lvl; | |
839 | ||
840 | for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; ++lvl) { | |
841 | if (!(lvl & level)) | |
842 | continue; | |
843 | if (interval <= area->lsp_gen_interval[lvl - 1]) { | |
844 | vty_out(vty, | |
845 | "LSP refresh interval %us must be greater than " | |
846 | "the configured LSP gen interval %us\n", | |
847 | interval, area->lsp_gen_interval[lvl - 1]); | |
848 | return CMD_WARNING_CONFIG_FAILED; | |
849 | } | |
850 | if (interval > (area->max_lsp_lifetime[lvl - 1] - 300)) { | |
851 | vty_out(vty, | |
852 | "LSP refresh interval %us must be less than " | |
853 | "the configured LSP lifetime %us less 300\n", | |
854 | interval, area->max_lsp_lifetime[lvl - 1]); | |
855 | return CMD_WARNING_CONFIG_FAILED; | |
856 | } | |
857 | } | |
858 | ||
859 | for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; ++lvl) { | |
860 | if (!(lvl & level)) | |
861 | continue; | |
862 | isis_area_lsp_refresh_set(area, lvl, interval); | |
863 | } | |
864 | ||
865 | return CMD_SUCCESS; | |
866 | } | |
867 | ||
868 | DEFUN (lsp_refresh_interval, | |
869 | lsp_refresh_interval_cmd, | |
870 | "lsp-refresh-interval (1-65235)", | |
871 | "LSP refresh interval\n" | |
872 | "LSP refresh interval in seconds\n") | |
873 | { | |
874 | unsigned int interval = atoi(argv[1]->arg); | |
875 | return isis_vty_lsp_refresh_set(vty, IS_LEVEL_1_AND_2, interval); | |
876 | } | |
877 | ||
878 | DEFUN (no_lsp_refresh_interval, | |
879 | no_lsp_refresh_interval_cmd, | |
880 | "no lsp-refresh-interval [(1-65235)]", | |
881 | NO_STR | |
882 | "LSP refresh interval\n" | |
883 | "LSP refresh interval in seconds\n") | |
884 | { | |
885 | return isis_vty_lsp_refresh_set(vty, IS_LEVEL_1_AND_2, | |
886 | DEFAULT_MAX_LSP_GEN_INTERVAL); | |
887 | } | |
888 | ||
889 | int isis_vty_password_set(struct vty *vty, int argc, | |
890 | struct cmd_token *argv[], int level) | |
891 | { | |
892 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
893 | ||
894 | int idx_algo = 1; | |
895 | int idx_password = 2; | |
896 | int idx_snp_auth = 5; | |
897 | uint8_t snp_auth = 0; | |
898 | ||
899 | const char *passwd = argv[idx_password]->arg; | |
900 | if (strlen(passwd) > 254) { | |
901 | vty_out(vty, "Too long area password (>254)\n"); | |
902 | return CMD_WARNING_CONFIG_FAILED; | |
903 | } | |
904 | ||
905 | if (argc > idx_snp_auth) { | |
906 | snp_auth = SNP_AUTH_SEND; | |
907 | if (strmatch(argv[idx_snp_auth]->text, "validate")) | |
908 | snp_auth |= SNP_AUTH_RECV; | |
909 | } | |
910 | ||
911 | if (strmatch(argv[idx_algo]->text, "clear")) { | |
912 | return isis_area_passwd_cleartext_set(area, level, | |
913 | passwd, snp_auth); | |
914 | } else if (strmatch(argv[idx_algo]->text, "md5")) { | |
915 | return isis_area_passwd_hmac_md5_set(area, level, | |
916 | passwd, snp_auth); | |
917 | } | |
918 | ||
919 | return CMD_WARNING_CONFIG_FAILED; | |
920 | } | |
921 | ||
922 | DEFUN (domain_passwd, | |
923 | domain_passwd_cmd, | |
924 | "domain-password <clear|md5> WORD [authenticate snp <send-only|validate>]", | |
925 | "Set the authentication password for a routing domain\n" | |
926 | "Authentication type\n" | |
927 | "Authentication type\n" | |
928 | "Level-wide password\n" | |
929 | "Authentication\n" | |
930 | "SNP PDUs\n" | |
931 | "Send but do not check PDUs on receiving\n" | |
932 | "Send and check PDUs on receiving\n") | |
933 | { | |
934 | return isis_vty_password_set(vty, argc, argv, IS_LEVEL_2); | |
935 | } | |
936 | ||
937 | DEFUN (no_domain_passwd, | |
938 | no_domain_passwd_cmd, | |
939 | "no domain-password", | |
940 | NO_STR | |
941 | "Set the authentication password for a routing domain\n") | |
942 | { | |
943 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
944 | ||
945 | return isis_area_passwd_unset(area, IS_LEVEL_2); | |
946 | } | |
947 | ||
948 | void isis_vty_init(void) | |
949 | { | |
950 | install_element(INTERFACE_NODE, &ip_router_isis_cmd); | |
951 | install_element(INTERFACE_NODE, &ip6_router_isis_cmd); | |
952 | install_element(INTERFACE_NODE, &no_ip_router_isis_cmd); | |
953 | ||
954 | install_element(INTERFACE_NODE, &isis_passive_cmd); | |
955 | install_element(INTERFACE_NODE, &no_isis_passive_cmd); | |
956 | ||
957 | install_element(INTERFACE_NODE, &isis_passwd_cmd); | |
958 | install_element(INTERFACE_NODE, &no_isis_passwd_cmd); | |
959 | ||
960 | install_element(INTERFACE_NODE, &isis_metric_cmd); | |
961 | install_element(INTERFACE_NODE, &no_isis_metric_cmd); | |
962 | ||
963 | install_element(INTERFACE_NODE, &isis_hello_interval_cmd); | |
964 | install_element(INTERFACE_NODE, &no_isis_hello_interval_cmd); | |
965 | ||
966 | install_element(INTERFACE_NODE, &isis_hello_multiplier_cmd); | |
967 | install_element(INTERFACE_NODE, &no_isis_hello_multiplier_cmd); | |
968 | ||
969 | install_element(INTERFACE_NODE, &csnp_interval_cmd); | |
970 | install_element(INTERFACE_NODE, &no_csnp_interval_cmd); | |
971 | ||
972 | install_element(INTERFACE_NODE, &psnp_interval_cmd); | |
973 | install_element(INTERFACE_NODE, &no_psnp_interval_cmd); | |
974 | ||
975 | install_element(INTERFACE_NODE, &circuit_topology_cmd); | |
976 | install_element(INTERFACE_NODE, &no_circuit_topology_cmd); | |
977 | ||
215eccb0 | 978 | install_element(INTERFACE_NODE, &isis_bfd_cmd); |
215eccb0 CF |
979 | install_element(INTERFACE_NODE, &no_isis_bfd_cmd); |
980 | ||
ef020087 CF |
981 | install_element(ROUTER_NODE, &set_overload_bit_cmd); |
982 | install_element(ROUTER_NODE, &no_set_overload_bit_cmd); | |
983 | ||
984 | install_element(ROUTER_NODE, &area_lsp_mtu_cmd); | |
985 | install_element(ROUTER_NODE, &no_area_lsp_mtu_cmd); | |
986 | ||
2c92bee4 CF |
987 | install_element(ROUTER_NODE, &area_purge_originator_cmd); |
988 | ||
ef020087 CF |
989 | install_element(ROUTER_NODE, &lsp_gen_interval_cmd); |
990 | install_element(ROUTER_NODE, &no_lsp_gen_interval_cmd); | |
991 | ||
992 | install_element(ROUTER_NODE, &spf_interval_cmd); | |
993 | install_element(ROUTER_NODE, &no_spf_interval_cmd); | |
994 | ||
995 | install_element(ROUTER_NODE, &max_lsp_lifetime_cmd); | |
996 | install_element(ROUTER_NODE, &no_max_lsp_lifetime_cmd); | |
997 | ||
998 | install_element(ROUTER_NODE, &lsp_refresh_interval_cmd); | |
999 | install_element(ROUTER_NODE, &no_lsp_refresh_interval_cmd); | |
1000 | ||
1001 | install_element(ROUTER_NODE, &domain_passwd_cmd); | |
1002 | install_element(ROUTER_NODE, &no_domain_passwd_cmd); | |
1003 | ||
1004 | install_element(ROUTER_NODE, &spf_delay_ietf_cmd); | |
1005 | install_element(ROUTER_NODE, &no_spf_delay_ietf_cmd); | |
1006 | ||
1007 | isis_vty_daemon_init(); | |
1008 | } |