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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" |
20600086 | 41 | #include "lib/northbound_cli.h" |
eb5d44eb | 42 | |
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" |
2a1c520e | 61 | #include "isisd/isis_nb.h" |
1cbf96a8 | 62 | #include "isisd/isis_ldp_sync.h" |
eb5d44eb | 63 | |
66b9a381 DL |
64 | DEFINE_MTYPE_STATIC(ISISD, ISIS_CIRCUIT, "ISIS circuit"); |
65 | ||
96244aca | 66 | DEFINE_QOBJ_TYPE(isis_circuit); |
676a4ea3 | 67 | |
8451921b | 68 | DEFINE_HOOK(isis_if_new_hook, (struct interface *ifp), (ifp)); |
ef7bd2a3 | 69 | |
41b36e90 PJ |
70 | /* |
71 | * Prototypes. | |
72 | */ | |
41b36e90 PJ |
73 | int isis_if_new_hook(struct interface *); |
74 | int isis_if_delete_hook(struct interface *); | |
75 | ||
e2b5b7d6 IR |
76 | DEFINE_HOOK(isis_circuit_new_hook, (struct isis_circuit *circuit), (circuit)); |
77 | DEFINE_HOOK(isis_circuit_del_hook, (struct isis_circuit *circuit), (circuit)); | |
1ee746d9 | 78 | |
bcf22081 IR |
79 | static void isis_circuit_enable(struct isis_circuit *circuit) |
80 | { | |
3ae43012 | 81 | struct isis_area *area = circuit->area; |
bcf22081 IR |
82 | struct interface *ifp = circuit->interface; |
83 | ||
3ae43012 IR |
84 | if (!area) { |
85 | area = isis_area_lookup(circuit->tag, ifp->vrf_id); | |
86 | if (area) | |
87 | isis_area_add_circuit(area, circuit); | |
88 | } | |
bcf22081 IR |
89 | |
90 | if (if_is_operative(ifp)) | |
91 | isis_csm_state_change(IF_UP_FROM_Z, circuit, ifp); | |
92 | } | |
93 | ||
94 | static void isis_circuit_disable(struct isis_circuit *circuit) | |
95 | { | |
96 | struct isis_area *area = circuit->area; | |
97 | struct interface *ifp = circuit->interface; | |
98 | ||
99 | if (if_is_operative(ifp)) | |
100 | isis_csm_state_change(IF_DOWN_FROM_Z, circuit, ifp); | |
101 | ||
102 | if (area) | |
103 | isis_area_del_circuit(area, circuit); | |
104 | } | |
105 | ||
106 | struct isis_circuit *isis_circuit_new(struct interface *ifp, const char *tag) | |
eb5d44eb | 107 | { |
d62a17ae | 108 | struct isis_circuit *circuit; |
109 | int i; | |
110 | ||
111 | circuit = XCALLOC(MTYPE_ISIS_CIRCUIT, sizeof(struct isis_circuit)); | |
d62a17ae | 112 | |
bcf22081 | 113 | circuit->tag = XSTRDUP(MTYPE_ISIS_CIRCUIT, tag); |
1ee746d9 | 114 | |
d62a17ae | 115 | /* |
116 | * Default values | |
117 | */ | |
cc50ddb2 EDP |
118 | #ifndef FABRICD |
119 | circuit->is_type = yang_get_default_enum( | |
120 | "/frr-interface:lib/interface/frr-isisd:isis/circuit-type"); | |
121 | circuit->flags = 0; | |
122 | ||
123 | circuit->pad_hellos = yang_get_default_bool( | |
124 | "/frr-interface:lib/interface/frr-isisd:isis/hello/padding"); | |
125 | circuit->hello_interval[0] = yang_get_default_uint32( | |
126 | "/frr-interface:lib/interface/frr-isisd:isis/hello/interval/level-1"); | |
127 | circuit->hello_interval[1] = yang_get_default_uint32( | |
128 | "/frr-interface:lib/interface/frr-isisd:isis/hello/interval/level-2"); | |
129 | circuit->hello_multiplier[0] = yang_get_default_uint32( | |
130 | "/frr-interface:lib/interface/frr-isisd:isis/hello/multiplier/level-1"); | |
131 | circuit->hello_multiplier[1] = yang_get_default_uint32( | |
132 | "/frr-interface:lib/interface/frr-isisd:isis/hello/multiplier/level-2"); | |
133 | circuit->csnp_interval[0] = yang_get_default_uint16( | |
134 | "/frr-interface:lib/interface/frr-isisd:isis/csnp-interval/level-1"); | |
135 | circuit->csnp_interval[1] = yang_get_default_uint16( | |
136 | "/frr-interface:lib/interface/frr-isisd:isis/csnp-interval/level-2"); | |
137 | circuit->psnp_interval[0] = yang_get_default_uint16( | |
138 | "/frr-interface:lib/interface/frr-isisd:isis/psnp-interval/level-1"); | |
139 | circuit->psnp_interval[1] = yang_get_default_uint16( | |
140 | "/frr-interface:lib/interface/frr-isisd:isis/psnp-interval/level-2"); | |
141 | circuit->priority[0] = yang_get_default_uint8( | |
142 | "/frr-interface:lib/interface/frr-isisd:isis/priority/level-1"); | |
143 | circuit->priority[1] = yang_get_default_uint8( | |
144 | "/frr-interface:lib/interface/frr-isisd:isis/priority/level-2"); | |
145 | circuit->metric[0] = yang_get_default_uint32( | |
146 | "/frr-interface:lib/interface/frr-isisd:isis/metric/level-1"); | |
147 | circuit->metric[1] = yang_get_default_uint32( | |
148 | "/frr-interface:lib/interface/frr-isisd:isis/metric/level-2"); | |
149 | circuit->te_metric[0] = yang_get_default_uint32( | |
150 | "/frr-interface:lib/interface/frr-isisd:isis/metric/level-1"); | |
151 | circuit->te_metric[1] = yang_get_default_uint32( | |
152 | "/frr-interface:lib/interface/frr-isisd:isis/metric/level-2"); | |
153 | ||
154 | for (i = 0; i < 2; i++) { | |
155 | circuit->level_arg[i].level = i + 1; | |
156 | circuit->level_arg[i].circuit = circuit; | |
157 | } | |
158 | #else | |
d62a17ae | 159 | circuit->is_type = IS_LEVEL_1_AND_2; |
160 | circuit->flags = 0; | |
161 | circuit->pad_hellos = 1; | |
162 | for (i = 0; i < 2; i++) { | |
163 | circuit->hello_interval[i] = DEFAULT_HELLO_INTERVAL; | |
164 | circuit->hello_multiplier[i] = DEFAULT_HELLO_MULTIPLIER; | |
165 | circuit->csnp_interval[i] = DEFAULT_CSNP_INTERVAL; | |
166 | circuit->psnp_interval[i] = DEFAULT_PSNP_INTERVAL; | |
167 | circuit->priority[i] = DEFAULT_PRIORITY; | |
168 | circuit->metric[i] = DEFAULT_CIRCUIT_METRIC; | |
169 | circuit->te_metric[i] = DEFAULT_CIRCUIT_METRIC; | |
7da4aa3c CF |
170 | circuit->level_arg[i].level = i + 1; |
171 | circuit->level_arg[i].circuit = circuit; | |
d62a17ae | 172 | } |
cc50ddb2 | 173 | #endif /* ifndef FABRICD */ |
d62a17ae | 174 | |
d62a17ae | 175 | circuit_mt_init(circuit); |
e886416f RW |
176 | isis_lfa_excluded_ifaces_init(circuit, ISIS_LEVEL1); |
177 | isis_lfa_excluded_ifaces_init(circuit, ISIS_LEVEL2); | |
d62a17ae | 178 | |
ec62fbaa IR |
179 | circuit->ldp_sync_info = ldp_sync_info_create(); |
180 | circuit->ldp_sync_info->enabled = LDP_IGP_SYNC_ENABLED; | |
181 | ||
d62a17ae | 182 | QOBJ_REG(circuit, isis_circuit); |
183 | ||
bcf22081 IR |
184 | isis_circuit_if_bind(circuit, ifp); |
185 | ||
186 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
187 | isis_circuit_enable(circuit); | |
188 | ||
d62a17ae | 189 | return circuit; |
eb5d44eb | 190 | } |
191 | ||
d62a17ae | 192 | void isis_circuit_del(struct isis_circuit *circuit) |
3f045a08 | 193 | { |
d62a17ae | 194 | if (!circuit) |
195 | return; | |
3f045a08 | 196 | |
bcf22081 IR |
197 | if (circuit->interface->ifindex != IFINDEX_INTERNAL) |
198 | isis_circuit_disable(circuit); | |
1ee746d9 | 199 | |
d62a17ae | 200 | isis_circuit_if_unbind(circuit, circuit->interface); |
3f045a08 | 201 | |
bcf22081 IR |
202 | QOBJ_UNREG(circuit); |
203 | ||
ec62fbaa IR |
204 | ldp_sync_info_free(&circuit->ldp_sync_info); |
205 | ||
d62a17ae | 206 | circuit_mt_finish(circuit); |
e886416f RW |
207 | isis_lfa_excluded_ifaces_clear(circuit, ISIS_LEVEL1); |
208 | isis_lfa_excluded_ifaces_clear(circuit, ISIS_LEVEL2); | |
064f4896 | 209 | |
13bf3830 | 210 | XFREE(MTYPE_TMP, circuit->bfd_config.profile); |
bcf22081 IR |
211 | XFREE(MTYPE_ISIS_CIRCUIT, circuit->tag); |
212 | ||
d62a17ae | 213 | /* and lastly the circuit itself */ |
214 | XFREE(MTYPE_ISIS_CIRCUIT, circuit); | |
3f045a08 | 215 | |
d62a17ae | 216 | return; |
3f045a08 JB |
217 | } |
218 | ||
d62a17ae | 219 | void isis_circuit_configure(struct isis_circuit *circuit, |
220 | struct isis_area *area) | |
eb5d44eb | 221 | { |
d62a17ae | 222 | assert(area); |
bcf22081 | 223 | circuit->isis = area->isis; |
d62a17ae | 224 | circuit->area = area; |
225 | ||
226 | /* | |
227 | * Whenever the is-type of an area is changed, the is-type of each | |
228 | * circuit | |
229 | * in that area is updated to a non-empty subset of the area is-type. | |
230 | * Inversely, when configuring a new circuit, this property should be | |
231 | * ensured as well. | |
232 | */ | |
233 | if (area->is_type != IS_LEVEL_1_AND_2) | |
234 | circuit->is_type = area->is_type; | |
235 | ||
236 | /* | |
237 | * Add the circuit into area | |
238 | */ | |
239 | listnode_add(area->circuit_list, circuit); | |
240 | ||
241 | circuit->idx = flags_get_index(&area->flags); | |
242 | ||
bcf22081 IR |
243 | hook_call(isis_circuit_new_hook, circuit); |
244 | ||
d62a17ae | 245 | return; |
eb5d44eb | 246 | } |
247 | ||
d62a17ae | 248 | void isis_circuit_deconfigure(struct isis_circuit *circuit, |
249 | struct isis_area *area) | |
eb5d44eb | 250 | { |
bcf22081 IR |
251 | hook_call(isis_circuit_del_hook, circuit); |
252 | ||
d62a17ae | 253 | /* Free the index of SRM and SSN flags */ |
254 | flags_free_index(&area->flags, circuit->idx); | |
255 | circuit->idx = 0; | |
256 | /* Remove circuit from area */ | |
257 | assert(circuit->area == area); | |
258 | listnode_delete(area->circuit_list, circuit); | |
259 | circuit->area = NULL; | |
bcf22081 | 260 | circuit->isis = NULL; |
d62a17ae | 261 | |
262 | return; | |
eb5d44eb | 263 | } |
264 | ||
d62a17ae | 265 | struct isis_circuit *circuit_lookup_by_ifp(struct interface *ifp, |
266 | struct list *list) | |
eb5d44eb | 267 | { |
d62a17ae | 268 | struct isis_circuit *circuit = NULL; |
269 | struct listnode *node; | |
f390d2c7 | 270 | |
d62a17ae | 271 | if (!list) |
272 | return NULL; | |
f390d2c7 | 273 | |
d62a17ae | 274 | for (ALL_LIST_ELEMENTS_RO(list, node, circuit)) |
275 | if (circuit->interface == ifp) { | |
276 | assert(ifp->info == circuit); | |
277 | return circuit; | |
278 | } | |
3f045a08 | 279 | |
d62a17ae | 280 | return NULL; |
eb5d44eb | 281 | } |
282 | ||
d62a17ae | 283 | struct isis_circuit *circuit_scan_by_ifp(struct interface *ifp) |
eb5d44eb | 284 | { |
bcf22081 | 285 | return (struct isis_circuit *)ifp->info; |
eb5d44eb | 286 | } |
287 | ||
2bec0447 | 288 | DEFINE_HOOK(isis_circuit_add_addr_hook, (struct isis_circuit *circuit), |
8451921b | 289 | (circuit)); |
2bec0447 | 290 | |
d62a17ae | 291 | void isis_circuit_add_addr(struct isis_circuit *circuit, |
292 | struct connected *connected) | |
eb5d44eb | 293 | { |
d62a17ae | 294 | struct listnode *node; |
295 | struct prefix_ipv4 *ipv4; | |
d62a17ae | 296 | struct prefix_ipv6 *ipv6; |
f891f443 | 297 | |
d62a17ae | 298 | if (connected->address->family == AF_INET) { |
d7c0a89a | 299 | uint32_t addr = connected->address->u.prefix4.s_addr; |
d62a17ae | 300 | addr = ntohl(addr); |
301 | if (IPV4_NET0(addr) || IPV4_NET127(addr) || IN_CLASSD(addr) | |
302 | || IPV4_LINKLOCAL(addr)) | |
303 | return; | |
3f045a08 | 304 | |
d62a17ae | 305 | for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, ipv4)) |
306 | if (prefix_same((struct prefix *)ipv4, | |
307 | connected->address)) | |
308 | return; | |
3f045a08 | 309 | |
d62a17ae | 310 | ipv4 = prefix_ipv4_new(); |
311 | ipv4->prefixlen = connected->address->prefixlen; | |
312 | ipv4->prefix = connected->address->u.prefix4; | |
313 | listnode_add(circuit->ip_addrs, ipv4); | |
f8c06e2c | 314 | |
1b3f47d0 | 315 | /* Update Local IP address parameter if MPLS TE is enable */ |
d80e23f8 EDP |
316 | if (circuit->ext && circuit->area |
317 | && IS_MPLS_TE(circuit->area->mta)) { | |
1b3f47d0 OD |
318 | circuit->ext->local_addr.s_addr = ipv4->prefix.s_addr; |
319 | SET_SUBTLV(circuit->ext, EXT_LOCAL_ADDR); | |
320 | } | |
f8c06e2c | 321 | |
d62a17ae | 322 | if (circuit->area) |
323 | lsp_regenerate_schedule(circuit->area, circuit->is_type, | |
324 | 0); | |
f891f443 | 325 | |
eb5d44eb | 326 | #ifdef EXTREME_DEBUG |
2dbe669b DA |
327 | zlog_debug("Added IP address %pFX to circuit %s", |
328 | connected->address, circuit->interface->name); | |
f390d2c7 | 329 | #endif /* EXTREME_DEBUG */ |
d62a17ae | 330 | } |
331 | if (connected->address->family == AF_INET6) { | |
332 | if (IN6_IS_ADDR_LOOPBACK(&connected->address->u.prefix6)) | |
333 | return; | |
334 | ||
335 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, ipv6)) | |
336 | if (prefix_same((struct prefix *)ipv6, | |
337 | connected->address)) | |
338 | return; | |
339 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, ipv6)) | |
340 | if (prefix_same((struct prefix *)ipv6, | |
341 | connected->address)) | |
342 | return; | |
343 | ||
344 | ipv6 = prefix_ipv6_new(); | |
345 | ipv6->prefixlen = connected->address->prefixlen; | |
346 | ipv6->prefix = connected->address->u.prefix6; | |
347 | ||
348 | if (IN6_IS_ADDR_LINKLOCAL(&ipv6->prefix)) | |
349 | listnode_add(circuit->ipv6_link, ipv6); | |
350 | else | |
351 | listnode_add(circuit->ipv6_non_link, ipv6); | |
352 | if (circuit->area) | |
353 | lsp_regenerate_schedule(circuit->area, circuit->is_type, | |
354 | 0); | |
f891f443 | 355 | |
eb5d44eb | 356 | #ifdef EXTREME_DEBUG |
2dbe669b DA |
357 | zlog_debug("Added IPv6 address %pFX to circuit %s", |
358 | connected->address, circuit->interface->name); | |
f390d2c7 | 359 | #endif /* EXTREME_DEBUG */ |
d62a17ae | 360 | } |
2bec0447 KS |
361 | |
362 | hook_call(isis_circuit_add_addr_hook, circuit); | |
363 | ||
d62a17ae | 364 | return; |
eb5d44eb | 365 | } |
366 | ||
d62a17ae | 367 | void isis_circuit_del_addr(struct isis_circuit *circuit, |
368 | struct connected *connected) | |
eb5d44eb | 369 | { |
d62a17ae | 370 | struct prefix_ipv4 *ipv4, *ip = NULL; |
371 | struct listnode *node; | |
d62a17ae | 372 | struct prefix_ipv6 *ipv6, *ip6 = NULL; |
373 | int found = 0; | |
374 | ||
375 | if (connected->address->family == AF_INET) { | |
376 | ipv4 = prefix_ipv4_new(); | |
377 | ipv4->prefixlen = connected->address->prefixlen; | |
378 | ipv4->prefix = connected->address->u.prefix4; | |
379 | ||
380 | for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, ip)) | |
381 | if (prefix_same((struct prefix *)ip, | |
382 | (struct prefix *)ipv4)) | |
383 | break; | |
384 | ||
385 | if (ip) { | |
386 | listnode_delete(circuit->ip_addrs, ip); | |
63265b5c | 387 | prefix_ipv4_free(&ip); |
d62a17ae | 388 | if (circuit->area) |
389 | lsp_regenerate_schedule(circuit->area, | |
390 | circuit->is_type, 0); | |
391 | } else { | |
d62a17ae | 392 | zlog_warn( |
2dbe669b DA |
393 | "Nonexistent ip address %pFX removal attempt from circuit %s", |
394 | connected->address, circuit->interface->name); | |
d62a17ae | 395 | zlog_warn("Current ip addresses on %s:", |
396 | circuit->interface->name); | |
397 | for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, | |
398 | ip)) { | |
2dbe669b | 399 | zlog_warn(" %pFX", ip); |
d62a17ae | 400 | } |
401 | zlog_warn("End of addresses"); | |
402 | } | |
403 | ||
63265b5c | 404 | prefix_ipv4_free(&ipv4); |
f891f443 | 405 | } |
d62a17ae | 406 | if (connected->address->family == AF_INET6) { |
407 | ipv6 = prefix_ipv6_new(); | |
408 | ipv6->prefixlen = connected->address->prefixlen; | |
409 | ipv6->prefix = connected->address->u.prefix6; | |
410 | ||
411 | if (IN6_IS_ADDR_LINKLOCAL(&ipv6->prefix)) { | |
412 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, | |
413 | ip6)) { | |
414 | if (prefix_same((struct prefix *)ip6, | |
415 | (struct prefix *)ipv6)) | |
416 | break; | |
417 | } | |
418 | if (ip6) { | |
419 | listnode_delete(circuit->ipv6_link, ip6); | |
63265b5c | 420 | prefix_ipv6_free(&ip6); |
d62a17ae | 421 | found = 1; |
422 | } | |
423 | } else { | |
424 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, | |
425 | ip6)) { | |
426 | if (prefix_same((struct prefix *)ip6, | |
427 | (struct prefix *)ipv6)) | |
428 | break; | |
429 | } | |
430 | if (ip6) { | |
431 | listnode_delete(circuit->ipv6_non_link, ip6); | |
63265b5c | 432 | prefix_ipv6_free(&ip6); |
d62a17ae | 433 | found = 1; |
434 | } | |
435 | } | |
436 | ||
437 | if (!found) { | |
d62a17ae | 438 | zlog_warn( |
2dbe669b DA |
439 | "Nonexistent ip address %pFX removal attempt from circuit %s", |
440 | connected->address, circuit->interface->name); | |
d62a17ae | 441 | zlog_warn("Current ip addresses on %s:", |
442 | circuit->interface->name); | |
443 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, | |
2dbe669b DA |
444 | ip6)) |
445 | zlog_warn(" %pFX", (struct prefix *)ip6); | |
d62a17ae | 446 | zlog_warn(" -----"); |
447 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, | |
2dbe669b DA |
448 | ip6)) |
449 | zlog_warn(" %pFX", (struct prefix *)ip6); | |
d62a17ae | 450 | zlog_warn("End of addresses"); |
451 | } else if (circuit->area) | |
452 | lsp_regenerate_schedule(circuit->area, circuit->is_type, | |
453 | 0); | |
454 | ||
63265b5c | 455 | prefix_ipv6_free(&ipv6); |
f891f443 | 456 | } |
d62a17ae | 457 | return; |
458 | } | |
e8aca32f | 459 | |
0849c75e | 460 | static uint8_t isis_circuit_id_gen(struct isis *isis, struct interface *ifp) |
d62a17ae | 461 | { |
068c8222 CF |
462 | /* Circuit ids MUST be unique for any broadcast circuits. Otherwise, |
463 | * Pseudo-Node LSPs cannot be generated correctly. | |
464 | * | |
98c5bc15 | 465 | * Currently, allocate one circuit ID for any circuit, limiting the total |
068c8222 CF |
466 | * numer of circuits IS-IS can run on to 255. |
467 | * | |
98c5bc15 | 468 | * We should revisit this when implementing 3-way adjacencies for p2p, since |
068c8222 CF |
469 | * we then have extended interface IDs available. |
470 | */ | |
471 | uint8_t id = ifp->ifindex; | |
d62a17ae | 472 | unsigned int i; |
d62a17ae | 473 | |
068c8222 CF |
474 | for (i = 0; i < 256; i++) { |
475 | if (id && !_ISIS_CHECK_FLAG(isis->circuit_ids_used, id)) | |
d62a17ae | 476 | break; |
068c8222 | 477 | id++; |
f891f443 | 478 | } |
479 | ||
068c8222 | 480 | if (i == 256) { |
996c9314 LB |
481 | zlog_warn("Could not allocate a circuit id for '%s'", |
482 | ifp->name); | |
068c8222 | 483 | return 0; |
f891f443 | 484 | } |
e8aca32f | 485 | |
0849c75e | 486 | _ISIS_SET_FLAG(isis->circuit_ids_used, id); |
d62a17ae | 487 | return id; |
3f045a08 JB |
488 | } |
489 | ||
d62a17ae | 490 | void isis_circuit_if_add(struct isis_circuit *circuit, struct interface *ifp) |
eb5d44eb | 491 | { |
d62a17ae | 492 | struct listnode *node, *nnode; |
493 | struct connected *conn; | |
494 | ||
d62a17ae | 495 | if (if_is_broadcast(ifp)) { |
65f18157 | 496 | if (fabricd || circuit->circ_type_config == CIRCUIT_T_P2P) |
d62a17ae | 497 | circuit->circ_type = CIRCUIT_T_P2P; |
498 | else | |
499 | circuit->circ_type = CIRCUIT_T_BROADCAST; | |
500 | } else if (if_is_pointopoint(ifp)) { | |
501 | circuit->circ_type = CIRCUIT_T_P2P; | |
a80618f2 | 502 | } else if (if_is_loopback_or_vrf(ifp)) { |
d62a17ae | 503 | circuit->circ_type = CIRCUIT_T_LOOPBACK; |
504 | circuit->is_passive = 1; | |
505 | } else { | |
506 | /* It's normal in case of loopback etc. */ | |
e740f9c1 | 507 | if (IS_DEBUG_EVENTS) |
d62a17ae | 508 | zlog_debug("isis_circuit_if_add: unsupported media"); |
509 | circuit->circ_type = CIRCUIT_T_UNKNOWN; | |
510 | } | |
511 | ||
512 | circuit->ip_addrs = list_new(); | |
513 | circuit->ipv6_link = list_new(); | |
514 | circuit->ipv6_non_link = list_new(); | |
515 | ||
516 | for (ALL_LIST_ELEMENTS(ifp->connected, node, nnode, conn)) | |
517 | isis_circuit_add_addr(circuit, conn); | |
1b3f47d0 | 518 | |
eb5d44eb | 519 | } |
520 | ||
d62a17ae | 521 | void isis_circuit_if_del(struct isis_circuit *circuit, struct interface *ifp) |
eb5d44eb | 522 | { |
d62a17ae | 523 | struct listnode *node, *nnode; |
524 | struct connected *conn; | |
525 | ||
526 | assert(circuit->interface == ifp); | |
527 | ||
528 | /* destroy addresses */ | |
529 | for (ALL_LIST_ELEMENTS(ifp->connected, node, nnode, conn)) | |
530 | isis_circuit_del_addr(circuit, conn); | |
531 | ||
532 | if (circuit->ip_addrs) { | |
533 | assert(listcount(circuit->ip_addrs) == 0); | |
6a154c88 | 534 | list_delete(&circuit->ip_addrs); |
d62a17ae | 535 | } |
536 | ||
537 | if (circuit->ipv6_link) { | |
538 | assert(listcount(circuit->ipv6_link) == 0); | |
6a154c88 | 539 | list_delete(&circuit->ipv6_link); |
d62a17ae | 540 | } |
541 | ||
542 | if (circuit->ipv6_non_link) { | |
543 | assert(listcount(circuit->ipv6_non_link) == 0); | |
6a154c88 | 544 | list_delete(&circuit->ipv6_non_link); |
d62a17ae | 545 | } |
546 | ||
547 | circuit->circ_type = CIRCUIT_T_UNKNOWN; | |
eb5d44eb | 548 | } |
549 | ||
d62a17ae | 550 | void isis_circuit_if_bind(struct isis_circuit *circuit, struct interface *ifp) |
3f045a08 | 551 | { |
d62a17ae | 552 | assert(circuit != NULL); |
553 | assert(ifp != NULL); | |
554 | if (circuit->interface) | |
555 | assert(circuit->interface == ifp); | |
556 | else | |
557 | circuit->interface = ifp; | |
558 | if (ifp->info) | |
559 | assert(ifp->info == circuit); | |
560 | else | |
561 | ifp->info = circuit; | |
3f045a08 JB |
562 | } |
563 | ||
d62a17ae | 564 | void isis_circuit_if_unbind(struct isis_circuit *circuit, struct interface *ifp) |
eb5d44eb | 565 | { |
d62a17ae | 566 | assert(circuit != NULL); |
567 | assert(ifp != NULL); | |
568 | assert(circuit->interface == ifp); | |
569 | assert(ifp->info == circuit); | |
570 | circuit->interface = NULL; | |
571 | ifp->info = NULL; | |
3f045a08 | 572 | } |
f390d2c7 | 573 | |
d62a17ae | 574 | static void isis_circuit_update_all_srmflags(struct isis_circuit *circuit, |
575 | int is_set) | |
3f045a08 | 576 | { |
d62a17ae | 577 | struct isis_area *area; |
578 | struct isis_lsp *lsp; | |
d62a17ae | 579 | int level; |
580 | ||
581 | assert(circuit); | |
582 | area = circuit->area; | |
583 | assert(area); | |
584 | for (level = ISIS_LEVEL1; level <= ISIS_LEVEL2; level++) { | |
9b39405f CF |
585 | if (!(level & circuit->is_type)) |
586 | continue; | |
587 | ||
4bef0ec4 | 588 | if (!lspdb_count(&area->lspdb[level - 1])) |
9b39405f CF |
589 | continue; |
590 | ||
81fddbe7 | 591 | frr_each (lspdb, &area->lspdb[level - 1], lsp) { |
9b39405f CF |
592 | if (is_set) { |
593 | isis_tx_queue_add(circuit->tx_queue, lsp, | |
594 | TX_LSP_NORMAL); | |
595 | } else { | |
596 | isis_tx_queue_del(circuit->tx_queue, lsp); | |
d62a17ae | 597 | } |
598 | } | |
599 | } | |
eb5d44eb | 600 | } |
601 | ||
d62a17ae | 602 | size_t isis_circuit_pdu_size(struct isis_circuit *circuit) |
b20ccb3a | 603 | { |
d62a17ae | 604 | return ISO_MTU(circuit); |
b20ccb3a CF |
605 | } |
606 | ||
d62a17ae | 607 | void isis_circuit_stream(struct isis_circuit *circuit, struct stream **stream) |
b20ccb3a | 608 | { |
d62a17ae | 609 | size_t stream_size = isis_circuit_pdu_size(circuit); |
610 | ||
611 | if (!*stream) { | |
612 | *stream = stream_new(stream_size); | |
613 | } else { | |
614 | if (STREAM_SIZE(*stream) != stream_size) | |
db3c830a | 615 | stream_resize_inplace(stream, stream_size); |
d62a17ae | 616 | stream_reset(*stream); |
617 | } | |
b20ccb3a CF |
618 | } |
619 | ||
d62a17ae | 620 | void isis_circuit_prepare(struct isis_circuit *circuit) |
5904f19f | 621 | { |
b0dd98e7 | 622 | #if ISIS_METHOD != ISIS_METHOD_DLPI |
d62a17ae | 623 | thread_add_read(master, isis_receive, circuit, circuit->fd, |
624 | &circuit->t_read); | |
5904f19f | 625 | #else |
d62a17ae | 626 | thread_add_timer_msec(master, isis_receive, circuit, |
627 | listcount(circuit->area->circuit_list) * 100, | |
628 | &circuit->t_read); | |
5904f19f RW |
629 | #endif |
630 | } | |
631 | ||
d62a17ae | 632 | int isis_circuit_up(struct isis_circuit *circuit) |
eb5d44eb | 633 | { |
d62a17ae | 634 | int retv; |
635 | ||
636 | /* Set the flags for all the lsps of the circuit. */ | |
637 | isis_circuit_update_all_srmflags(circuit, 1); | |
638 | ||
639 | if (circuit->state == C_STATE_UP) | |
640 | return ISIS_OK; | |
641 | ||
93bdc367 | 642 | if (circuit->is_passive) { |
1ee746d9 | 643 | circuit->last_uptime = time(NULL); |
93bdc367 EDP |
644 | /* make sure the union fields are initialized, else we |
645 | * could end with garbage values from a previous circuit | |
646 | * type, which would then cause a segfault when building | |
647 | * LSPs or computing the SPF tree | |
648 | */ | |
649 | if (circuit->circ_type == CIRCUIT_T_BROADCAST) { | |
650 | circuit->u.bc.adjdb[0] = list_new(); | |
651 | circuit->u.bc.adjdb[1] = list_new(); | |
652 | } else if (circuit->circ_type == CIRCUIT_T_P2P) { | |
653 | circuit->u.p2p.neighbor = NULL; | |
654 | } | |
d62a17ae | 655 | return ISIS_OK; |
93bdc367 | 656 | } |
d62a17ae | 657 | |
658 | if (circuit->area->lsp_mtu > isis_circuit_pdu_size(circuit)) { | |
af4c2728 | 659 | flog_err( |
1a7ecb96 | 660 | EC_ISIS_CONFIG, |
d62a17ae | 661 | "Interface MTU %zu on %s is too low to support area lsp mtu %u!", |
662 | isis_circuit_pdu_size(circuit), | |
663 | circuit->interface->name, circuit->area->lsp_mtu); | |
664 | isis_circuit_update_all_srmflags(circuit, 0); | |
665 | return ISIS_ERROR; | |
666 | } | |
667 | ||
668 | if (circuit->circ_type == CIRCUIT_T_BROADCAST) { | |
99e5d4af DS |
669 | circuit->circuit_id = |
670 | isis_circuit_id_gen(circuit->isis, circuit->interface); | |
0849c75e | 671 | if (!circuit->circuit_id) { |
af4c2728 | 672 | flog_err( |
1a7ecb96 | 673 | EC_ISIS_CONFIG, |
54ece698 | 674 | "There are already 255 broadcast circuits active!"); |
0849c75e CF |
675 | return ISIS_ERROR; |
676 | } | |
677 | ||
d62a17ae | 678 | /* |
679 | * Get the Hardware Address | |
680 | */ | |
681 | if (circuit->interface->hw_addr_len != ETH_ALEN) { | |
682 | zlog_warn("unsupported link layer"); | |
683 | } else { | |
684 | memcpy(circuit->u.bc.snpa, circuit->interface->hw_addr, | |
685 | ETH_ALEN); | |
686 | } | |
3f045a08 | 687 | #ifdef EXTREME_DEGUG |
d62a17ae | 688 | zlog_debug("isis_circuit_if_add: if_id %d, isomtu %d snpa %s", |
689 | circuit->interface->ifindex, ISO_MTU(circuit), | |
690 | snpa_print(circuit->u.bc.snpa)); | |
3f045a08 | 691 | #endif /* EXTREME_DEBUG */ |
3f045a08 | 692 | |
d62a17ae | 693 | circuit->u.bc.adjdb[0] = list_new(); |
694 | circuit->u.bc.adjdb[1] = list_new(); | |
695 | ||
696 | /* | |
697 | * ISO 10589 - 8.4.1 Enabling of broadcast circuits | |
698 | */ | |
699 | ||
700 | /* initilizing the hello sending threads | |
701 | * for a broadcast IF | |
702 | */ | |
703 | ||
704 | /* 8.4.1 a) commence sending of IIH PDUs */ | |
705 | ||
7c4f7aab CF |
706 | for (int level = ISIS_LEVEL1; level <= ISIS_LEVEL2; level++) { |
707 | if (!(circuit->is_type & level)) | |
708 | continue; | |
709 | ||
a0a707ee | 710 | send_hello_sched(circuit, level, TRIGGERED_IIH_DELAY); |
7c4f7aab CF |
711 | circuit->u.bc.lan_neighs[level - 1] = list_new(); |
712 | ||
713 | thread_add_timer(master, isis_run_dr, | |
714 | &circuit->level_arg[level - 1], | |
715 | 2 * circuit->hello_interval[level - 1], | |
716 | &circuit->u.bc.t_run_dr[level - 1]); | |
d62a17ae | 717 | } |
718 | ||
719 | /* 8.4.1 b) FIXME: solicit ES - 8.4.6 */ | |
720 | /* 8.4.1 c) FIXME: listen for ESH PDUs */ | |
d4670f51 | 721 | } else if (circuit->circ_type == CIRCUIT_T_P2P) { |
d62a17ae | 722 | /* initializing the hello send threads |
723 | * for a ptp IF | |
724 | */ | |
725 | circuit->u.p2p.neighbor = NULL; | |
a0a707ee | 726 | send_hello_sched(circuit, 0, TRIGGERED_IIH_DELAY); |
d62a17ae | 727 | } |
728 | ||
729 | /* initializing PSNP timers */ | |
730 | if (circuit->is_type & IS_LEVEL_1) | |
731 | thread_add_timer( | |
732 | master, send_l1_psnp, circuit, | |
733 | isis_jitter(circuit->psnp_interval[0], PSNP_JITTER), | |
734 | &circuit->t_send_psnp[0]); | |
735 | ||
736 | if (circuit->is_type & IS_LEVEL_2) | |
737 | thread_add_timer( | |
738 | master, send_l2_psnp, circuit, | |
739 | isis_jitter(circuit->psnp_interval[1], PSNP_JITTER), | |
740 | &circuit->t_send_psnp[1]); | |
741 | ||
742 | /* unified init for circuits; ignore warnings below this level */ | |
743 | retv = isis_sock_init(circuit); | |
744 | if (retv != ISIS_OK) { | |
745 | isis_circuit_down(circuit); | |
746 | return retv; | |
747 | } | |
748 | ||
749 | /* initialize the circuit streams after opening connection */ | |
750 | isis_circuit_stream(circuit, &circuit->rcv_stream); | |
751 | isis_circuit_stream(circuit, &circuit->snd_stream); | |
752 | ||
753 | isis_circuit_prepare(circuit); | |
754 | ||
9b39405f | 755 | circuit->tx_queue = isis_tx_queue_new(circuit, send_lsp); |
d62a17ae | 756 | |
1ee746d9 | 757 | circuit->last_uptime = time(NULL); |
758 | ||
0fdd8b2b IR |
759 | if (circuit->area->mta && circuit->area->mta->status) |
760 | isis_link_params_update(circuit, circuit->interface); | |
761 | ||
ec62fbaa IR |
762 | isis_if_ldp_sync_enable(circuit); |
763 | ||
392b89f3 EDP |
764 | #ifndef FABRICD |
765 | /* send northbound notification */ | |
766 | isis_notif_if_state_change(circuit, false); | |
767 | #endif /* ifndef FABRICD */ | |
768 | ||
d62a17ae | 769 | return ISIS_OK; |
eb5d44eb | 770 | } |
771 | ||
d62a17ae | 772 | void isis_circuit_down(struct isis_circuit *circuit) |
eb5d44eb | 773 | { |
392b89f3 EDP |
774 | #ifndef FABRICD |
775 | /* send northbound notification */ | |
776 | isis_notif_if_state_change(circuit, true); | |
777 | #endif /* ifndef FABRICD */ | |
778 | ||
ec62fbaa IR |
779 | isis_if_ldp_sync_disable(circuit); |
780 | ||
7145d5bb | 781 | /* log adjacency changes if configured to do so */ |
5e69d308 | 782 | if (circuit->area->log_adj_changes) { |
7145d5bb EDP |
783 | struct isis_adjacency *adj = NULL; |
784 | if (circuit->circ_type == CIRCUIT_T_P2P) { | |
785 | adj = circuit->u.p2p.neighbor; | |
786 | if (adj) | |
787 | isis_log_adj_change( | |
788 | adj, adj->adj_state, ISIS_ADJ_DOWN, | |
789 | "circuit is being brought down"); | |
790 | } else if (circuit->circ_type == CIRCUIT_T_BROADCAST) { | |
791 | struct list *adj_list; | |
792 | struct listnode *node; | |
793 | if (circuit->u.bc.adjdb[0]) { | |
794 | adj_list = list_new(); | |
795 | isis_adj_build_up_list(circuit->u.bc.adjdb[0], | |
796 | adj_list); | |
797 | for (ALL_LIST_ELEMENTS_RO(adj_list, node, adj)) | |
798 | isis_log_adj_change( | |
799 | adj, adj->adj_state, | |
800 | ISIS_ADJ_DOWN, | |
801 | "circuit is being brought down"); | |
802 | list_delete(&adj_list); | |
803 | } | |
804 | if (circuit->u.bc.adjdb[1]) { | |
805 | adj_list = list_new(); | |
806 | isis_adj_build_up_list(circuit->u.bc.adjdb[1], | |
807 | adj_list); | |
808 | for (ALL_LIST_ELEMENTS_RO(adj_list, node, adj)) | |
809 | isis_log_adj_change( | |
810 | adj, adj->adj_state, | |
811 | ISIS_ADJ_DOWN, | |
812 | "circuit is being brought down"); | |
813 | list_delete(&adj_list); | |
814 | } | |
815 | } | |
816 | } | |
817 | ||
d62a17ae | 818 | /* Clear the flags for all the lsps of the circuit. */ |
819 | isis_circuit_update_all_srmflags(circuit, 0); | |
820 | ||
821 | if (circuit->circ_type == CIRCUIT_T_BROADCAST) { | |
822 | /* destroy neighbour lists */ | |
823 | if (circuit->u.bc.lan_neighs[0]) { | |
6a154c88 | 824 | list_delete(&circuit->u.bc.lan_neighs[0]); |
d62a17ae | 825 | circuit->u.bc.lan_neighs[0] = NULL; |
826 | } | |
827 | if (circuit->u.bc.lan_neighs[1]) { | |
6a154c88 | 828 | list_delete(&circuit->u.bc.lan_neighs[1]); |
d62a17ae | 829 | circuit->u.bc.lan_neighs[1] = NULL; |
830 | } | |
831 | /* destroy adjacency databases */ | |
832 | if (circuit->u.bc.adjdb[0]) { | |
833 | circuit->u.bc.adjdb[0]->del = isis_delete_adj; | |
6a154c88 | 834 | list_delete(&circuit->u.bc.adjdb[0]); |
d62a17ae | 835 | circuit->u.bc.adjdb[0] = NULL; |
836 | } | |
837 | if (circuit->u.bc.adjdb[1]) { | |
838 | circuit->u.bc.adjdb[1]->del = isis_delete_adj; | |
6a154c88 | 839 | list_delete(&circuit->u.bc.adjdb[1]); |
d62a17ae | 840 | circuit->u.bc.adjdb[1] = NULL; |
841 | } | |
842 | if (circuit->u.bc.is_dr[0]) { | |
843 | isis_dr_resign(circuit, 1); | |
844 | circuit->u.bc.is_dr[0] = 0; | |
845 | } | |
846 | memset(circuit->u.bc.l1_desig_is, 0, ISIS_SYS_ID_LEN + 1); | |
847 | if (circuit->u.bc.is_dr[1]) { | |
848 | isis_dr_resign(circuit, 2); | |
849 | circuit->u.bc.is_dr[1] = 0; | |
850 | } | |
851 | memset(circuit->u.bc.l2_desig_is, 0, ISIS_SYS_ID_LEN + 1); | |
852 | memset(circuit->u.bc.snpa, 0, ETH_ALEN); | |
853 | ||
50478845 MS |
854 | thread_cancel(&circuit->u.bc.t_send_lan_hello[0]); |
855 | thread_cancel(&circuit->u.bc.t_send_lan_hello[1]); | |
856 | thread_cancel(&circuit->u.bc.t_run_dr[0]); | |
857 | thread_cancel(&circuit->u.bc.t_run_dr[1]); | |
858 | thread_cancel(&circuit->u.bc.t_refresh_pseudo_lsp[0]); | |
859 | thread_cancel(&circuit->u.bc.t_refresh_pseudo_lsp[1]); | |
d62a17ae | 860 | circuit->lsp_regenerate_pending[0] = 0; |
861 | circuit->lsp_regenerate_pending[1] = 0; | |
0849c75e | 862 | |
99e5d4af | 863 | _ISIS_CLEAR_FLAG(circuit->isis->circuit_ids_used, |
eab88f36 | 864 | circuit->circuit_id); |
0849c75e | 865 | circuit->circuit_id = 0; |
d62a17ae | 866 | } else if (circuit->circ_type == CIRCUIT_T_P2P) { |
867 | isis_delete_adj(circuit->u.p2p.neighbor); | |
868 | circuit->u.p2p.neighbor = NULL; | |
50478845 | 869 | thread_cancel(&circuit->u.p2p.t_send_p2p_hello); |
d62a17ae | 870 | } |
871 | ||
1ee746d9 | 872 | /* |
873 | * All adjacencies have to be gone, delete snmp list | |
874 | * and reset snmpd idx generator | |
875 | */ | |
876 | if (circuit->snmp_adj_list != NULL) | |
877 | list_delete(&circuit->snmp_adj_list); | |
878 | ||
879 | circuit->snmp_adj_idx_gen = 0; | |
880 | ||
d62a17ae | 881 | /* Cancel all active threads */ |
50478845 MS |
882 | thread_cancel(&circuit->t_send_csnp[0]); |
883 | thread_cancel(&circuit->t_send_csnp[1]); | |
884 | thread_cancel(&circuit->t_send_psnp[0]); | |
885 | thread_cancel(&circuit->t_send_psnp[1]); | |
886 | thread_cancel(&circuit->t_read); | |
d62a17ae | 887 | |
9b39405f CF |
888 | if (circuit->tx_queue) { |
889 | isis_tx_queue_free(circuit->tx_queue); | |
890 | circuit->tx_queue = NULL; | |
58e16237 CF |
891 | } |
892 | ||
d62a17ae | 893 | /* send one gratuitous hello to spead up convergence */ |
d4670f51 CF |
894 | if (circuit->state == C_STATE_UP) { |
895 | if (circuit->is_type & IS_LEVEL_1) | |
896 | send_hello(circuit, IS_LEVEL_1); | |
897 | if (circuit->is_type & IS_LEVEL_2) | |
898 | send_hello(circuit, IS_LEVEL_2); | |
899 | } | |
d62a17ae | 900 | |
901 | circuit->upadjcount[0] = 0; | |
902 | circuit->upadjcount[1] = 0; | |
903 | ||
904 | /* close the socket */ | |
905 | if (circuit->fd) { | |
906 | close(circuit->fd); | |
907 | circuit->fd = 0; | |
908 | } | |
909 | ||
910 | if (circuit->rcv_stream != NULL) { | |
911 | stream_free(circuit->rcv_stream); | |
912 | circuit->rcv_stream = NULL; | |
913 | } | |
914 | ||
915 | if (circuit->snd_stream != NULL) { | |
916 | stream_free(circuit->snd_stream); | |
917 | circuit->snd_stream = NULL; | |
918 | } | |
919 | ||
920 | thread_cancel_event(master, circuit); | |
921 | ||
922 | return; | |
eb5d44eb | 923 | } |
924 | ||
d62a17ae | 925 | void circuit_update_nlpids(struct isis_circuit *circuit) |
eb5d44eb | 926 | { |
d62a17ae | 927 | circuit->nlpids.count = 0; |
928 | ||
929 | if (circuit->ip_router) { | |
930 | circuit->nlpids.nlpids[0] = NLPID_IP; | |
931 | circuit->nlpids.count++; | |
932 | } | |
933 | if (circuit->ipv6_router) { | |
934 | circuit->nlpids.nlpids[circuit->nlpids.count] = NLPID_IPV6; | |
935 | circuit->nlpids.count++; | |
936 | } | |
937 | return; | |
eb5d44eb | 938 | } |
939 | ||
d62a17ae | 940 | void isis_circuit_print_vty(struct isis_circuit *circuit, struct vty *vty, |
941 | char detail) | |
3f045a08 | 942 | { |
d62a17ae | 943 | if (detail == ISIS_UI_LEVEL_BRIEF) { |
944 | vty_out(vty, " %-12s", circuit->interface->name); | |
945 | vty_out(vty, "0x%-7x", circuit->circuit_id); | |
946 | vty_out(vty, "%-9s", circuit_state2string(circuit->state)); | |
947 | vty_out(vty, "%-9s", circuit_type2string(circuit->circ_type)); | |
948 | vty_out(vty, "%-9s", circuit_t2string(circuit->is_type)); | |
949 | vty_out(vty, "\n"); | |
950 | } | |
951 | ||
952 | if (detail == ISIS_UI_LEVEL_DETAIL) { | |
953 | struct listnode *node; | |
954 | struct prefix *ip_addr; | |
d62a17ae | 955 | |
956 | vty_out(vty, " Interface: %s", circuit->interface->name); | |
957 | vty_out(vty, ", State: %s", | |
958 | circuit_state2string(circuit->state)); | |
959 | if (circuit->is_passive) | |
960 | vty_out(vty, ", Passive"); | |
961 | else | |
962 | vty_out(vty, ", Active"); | |
963 | vty_out(vty, ", Circuit Id: 0x%x", circuit->circuit_id); | |
964 | vty_out(vty, "\n"); | |
965 | vty_out(vty, " Type: %s", | |
966 | circuit_type2string(circuit->circ_type)); | |
967 | vty_out(vty, ", Level: %s", circuit_t2string(circuit->is_type)); | |
968 | if (circuit->circ_type == CIRCUIT_T_BROADCAST) | |
969 | vty_out(vty, ", SNPA: %-10s", | |
970 | snpa_print(circuit->u.bc.snpa)); | |
971 | vty_out(vty, "\n"); | |
972 | if (circuit->is_type & IS_LEVEL_1) { | |
973 | vty_out(vty, " Level-1 Information:\n"); | |
974 | if (circuit->area->newmetric) | |
975 | vty_out(vty, " Metric: %d", | |
976 | circuit->te_metric[0]); | |
977 | else | |
978 | vty_out(vty, " Metric: %d", | |
979 | circuit->metric[0]); | |
980 | if (!circuit->is_passive) { | |
981 | vty_out(vty, ", Active neighbors: %u\n", | |
982 | circuit->upadjcount[0]); | |
983 | vty_out(vty, | |
3efd0893 | 984 | " Hello interval: %u, Holddown count: %u %s\n", |
d62a17ae | 985 | circuit->hello_interval[0], |
986 | circuit->hello_multiplier[0], | |
987 | (circuit->pad_hellos ? "(pad)" | |
988 | : "(no-pad)")); | |
989 | vty_out(vty, | |
3efd0893 | 990 | " CNSP interval: %u, PSNP interval: %u\n", |
d62a17ae | 991 | circuit->csnp_interval[0], |
992 | circuit->psnp_interval[0]); | |
993 | if (circuit->circ_type == CIRCUIT_T_BROADCAST) | |
994 | vty_out(vty, | |
995 | " LAN Priority: %u, %s\n", | |
996 | circuit->priority[0], | |
997 | (circuit->u.bc.is_dr[0] | |
998 | ? "is DIS" | |
999 | : "is not DIS")); | |
1000 | } else { | |
1001 | vty_out(vty, "\n"); | |
1002 | } | |
1003 | } | |
1004 | if (circuit->is_type & IS_LEVEL_2) { | |
1005 | vty_out(vty, " Level-2 Information:\n"); | |
1006 | if (circuit->area->newmetric) | |
1007 | vty_out(vty, " Metric: %d", | |
1008 | circuit->te_metric[1]); | |
1009 | else | |
1010 | vty_out(vty, " Metric: %d", | |
1011 | circuit->metric[1]); | |
1012 | if (!circuit->is_passive) { | |
1013 | vty_out(vty, ", Active neighbors: %u\n", | |
1014 | circuit->upadjcount[1]); | |
1015 | vty_out(vty, | |
3efd0893 | 1016 | " Hello interval: %u, Holddown count: %u %s\n", |
d62a17ae | 1017 | circuit->hello_interval[1], |
1018 | circuit->hello_multiplier[1], | |
1019 | (circuit->pad_hellos ? "(pad)" | |
1020 | : "(no-pad)")); | |
1021 | vty_out(vty, | |
3efd0893 | 1022 | " CNSP interval: %u, PSNP interval: %u\n", |
d62a17ae | 1023 | circuit->csnp_interval[1], |
1024 | circuit->psnp_interval[1]); | |
1025 | if (circuit->circ_type == CIRCUIT_T_BROADCAST) | |
1026 | vty_out(vty, | |
1027 | " LAN Priority: %u, %s\n", | |
1028 | circuit->priority[1], | |
1029 | (circuit->u.bc.is_dr[1] | |
1030 | ? "is DIS" | |
1031 | : "is not DIS")); | |
1032 | } else { | |
1033 | vty_out(vty, "\n"); | |
1034 | } | |
1035 | } | |
1036 | if (circuit->ip_addrs && listcount(circuit->ip_addrs) > 0) { | |
1037 | vty_out(vty, " IP Prefix(es):\n"); | |
1038 | for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node, | |
2dbe669b DA |
1039 | ip_addr)) |
1040 | vty_out(vty, " %pFX\n", ip_addr); | |
d62a17ae | 1041 | } |
1042 | if (circuit->ipv6_link && listcount(circuit->ipv6_link) > 0) { | |
1043 | vty_out(vty, " IPv6 Link-Locals:\n"); | |
1044 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node, | |
2dbe669b DA |
1045 | ip_addr)) |
1046 | vty_out(vty, " %pFX\n", ip_addr); | |
d62a17ae | 1047 | } |
1048 | if (circuit->ipv6_non_link | |
1049 | && listcount(circuit->ipv6_non_link) > 0) { | |
1050 | vty_out(vty, " IPv6 Prefixes:\n"); | |
1051 | for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node, | |
2dbe669b DA |
1052 | ip_addr)) |
1053 | vty_out(vty, " %pFX\n", ip_addr); | |
d62a17ae | 1054 | } |
1055 | ||
1056 | vty_out(vty, "\n"); | |
1057 | } | |
1058 | return; | |
3f045a08 JB |
1059 | } |
1060 | ||
05e4ec37 | 1061 | #ifdef FABRICD |
d56afe53 CF |
1062 | DEFINE_HOOK(isis_circuit_config_write, |
1063 | (struct isis_circuit *circuit, struct vty *vty), | |
8451921b | 1064 | (circuit, vty)); |
d56afe53 | 1065 | |
612c2c15 | 1066 | static int isis_interface_config_write(struct vty *vty) |
eb5d44eb | 1067 | { |
f4e14fdb | 1068 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
d62a17ae | 1069 | int write = 0; |
f4e14fdb | 1070 | struct listnode *node; |
d62a17ae | 1071 | struct interface *ifp; |
1072 | struct isis_area *area; | |
1073 | struct isis_circuit *circuit; | |
1074 | int i; | |
eab88f36 K |
1075 | struct isis *isis = NULL; |
1076 | ||
1077 | isis = isis_lookup_by_vrfid(vrf->vrf_id); | |
1078 | ||
b0f8f4d2 | 1079 | if (isis == NULL) |
eab88f36 | 1080 | return 0; |
d62a17ae | 1081 | |
451fda4f | 1082 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 1083 | /* IF name */ |
a8b828f3 | 1084 | vty_frame(vty, "interface %s\n", ifp->name); |
d62a17ae | 1085 | write++; |
1086 | /* IF desc */ | |
1087 | if (ifp->desc) { | |
1088 | vty_out(vty, " description %s\n", ifp->desc); | |
1089 | write++; | |
1090 | } | |
1091 | /* ISIS Circuit */ | |
f4e14fdb | 1092 | for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) { |
d62a17ae | 1093 | circuit = |
1094 | circuit_lookup_by_ifp(ifp, area->circuit_list); | |
1095 | if (circuit == NULL) | |
1096 | continue; | |
1097 | if (circuit->ip_router) { | |
7c0cbd0e | 1098 | vty_out(vty, " ip router " PROTO_NAME " %s\n", |
d62a17ae | 1099 | area->area_tag); |
1100 | write++; | |
1101 | } | |
1102 | if (circuit->is_passive) { | |
7c0cbd0e | 1103 | vty_out(vty, " " PROTO_NAME " passive\n"); |
d62a17ae | 1104 | write++; |
1105 | } | |
1106 | if (circuit->circ_type_config == CIRCUIT_T_P2P) { | |
7c0cbd0e | 1107 | vty_out(vty, " " PROTO_NAME " network point-to-point\n"); |
d62a17ae | 1108 | write++; |
1109 | } | |
1110 | if (circuit->ipv6_router) { | |
7c0cbd0e | 1111 | vty_out(vty, " ipv6 router " PROTO_NAME " %s\n", |
d62a17ae | 1112 | area->area_tag); |
1113 | write++; | |
1114 | } | |
1115 | ||
1116 | /* ISIS - circuit type */ | |
65f18157 CF |
1117 | if (!fabricd) { |
1118 | if (circuit->is_type == IS_LEVEL_1) { | |
1119 | vty_out(vty, " " PROTO_NAME " circuit-type level-1\n"); | |
d62a17ae | 1120 | write++; |
65f18157 CF |
1121 | } else { |
1122 | if (circuit->is_type == IS_LEVEL_2) { | |
1123 | vty_out(vty, | |
1124 | " " PROTO_NAME " circuit-type level-2-only\n"); | |
1125 | write++; | |
1126 | } | |
d62a17ae | 1127 | } |
1128 | } | |
1129 | ||
1130 | /* ISIS - CSNP interval */ | |
1131 | if (circuit->csnp_interval[0] | |
1132 | == circuit->csnp_interval[1]) { | |
1133 | if (circuit->csnp_interval[0] | |
1134 | != DEFAULT_CSNP_INTERVAL) { | |
7c0cbd0e | 1135 | vty_out(vty, " " PROTO_NAME " csnp-interval %d\n", |
d62a17ae | 1136 | circuit->csnp_interval[0]); |
1137 | write++; | |
1138 | } | |
1139 | } else { | |
1140 | for (i = 0; i < 2; i++) { | |
1141 | if (circuit->csnp_interval[i] | |
1142 | != DEFAULT_CSNP_INTERVAL) { | |
1143 | vty_out(vty, | |
7c0cbd0e | 1144 | " " PROTO_NAME " csnp-interval %d level-%d\n", |
d62a17ae | 1145 | circuit->csnp_interval |
1146 | [i], | |
1147 | i + 1); | |
1148 | write++; | |
1149 | } | |
1150 | } | |
1151 | } | |
1152 | ||
1153 | /* ISIS - PSNP interval */ | |
1154 | if (circuit->psnp_interval[0] | |
1155 | == circuit->psnp_interval[1]) { | |
1156 | if (circuit->psnp_interval[0] | |
1157 | != DEFAULT_PSNP_INTERVAL) { | |
7c0cbd0e | 1158 | vty_out(vty, " " PROTO_NAME " psnp-interval %d\n", |
d62a17ae | 1159 | circuit->psnp_interval[0]); |
1160 | write++; | |
1161 | } | |
1162 | } else { | |
1163 | for (i = 0; i < 2; i++) { | |
1164 | if (circuit->psnp_interval[i] | |
1165 | != DEFAULT_PSNP_INTERVAL) { | |
1166 | vty_out(vty, | |
7c0cbd0e | 1167 | " " PROTO_NAME " psnp-interval %d level-%d\n", |
d62a17ae | 1168 | circuit->psnp_interval |
1169 | [i], | |
1170 | i + 1); | |
1171 | write++; | |
1172 | } | |
1173 | } | |
1174 | } | |
1175 | ||
1176 | /* ISIS - Hello padding - Defaults to true so only | |
1177 | * display if false */ | |
1178 | if (circuit->pad_hellos == 0) { | |
7c0cbd0e | 1179 | vty_out(vty, " no " PROTO_NAME " hello padding\n"); |
d62a17ae | 1180 | write++; |
1181 | } | |
1182 | ||
58e5d748 CF |
1183 | if (circuit->disable_threeway_adj) { |
1184 | vty_out(vty, " no isis three-way-handshake\n"); | |
1185 | write++; | |
1186 | } | |
1187 | ||
d62a17ae | 1188 | /* ISIS - Hello interval */ |
1189 | if (circuit->hello_interval[0] | |
1190 | == circuit->hello_interval[1]) { | |
1191 | if (circuit->hello_interval[0] | |
1192 | != DEFAULT_HELLO_INTERVAL) { | |
1193 | vty_out(vty, | |
7c0cbd0e | 1194 | " " PROTO_NAME " hello-interval %d\n", |
d62a17ae | 1195 | circuit->hello_interval[0]); |
1196 | write++; | |
1197 | } | |
1198 | } else { | |
1199 | for (i = 0; i < 2; i++) { | |
1200 | if (circuit->hello_interval[i] | |
1201 | != DEFAULT_HELLO_INTERVAL) { | |
1202 | vty_out(vty, | |
7c0cbd0e | 1203 | " " PROTO_NAME " hello-interval %d level-%d\n", |
d62a17ae | 1204 | circuit->hello_interval |
1205 | [i], | |
1206 | i + 1); | |
1207 | write++; | |
1208 | } | |
1209 | } | |
1210 | } | |
1211 | ||
1212 | /* ISIS - Hello Multiplier */ | |
1213 | if (circuit->hello_multiplier[0] | |
1214 | == circuit->hello_multiplier[1]) { | |
1215 | if (circuit->hello_multiplier[0] | |
1216 | != DEFAULT_HELLO_MULTIPLIER) { | |
1217 | vty_out(vty, | |
7c0cbd0e | 1218 | " " PROTO_NAME " hello-multiplier %d\n", |
d62a17ae | 1219 | circuit->hello_multiplier[0]); |
1220 | write++; | |
1221 | } | |
1222 | } else { | |
1223 | for (i = 0; i < 2; i++) { | |
1224 | if (circuit->hello_multiplier[i] | |
1225 | != DEFAULT_HELLO_MULTIPLIER) { | |
1226 | vty_out(vty, | |
7c0cbd0e | 1227 | " " PROTO_NAME " hello-multiplier %d level-%d\n", |
d62a17ae | 1228 | circuit->hello_multiplier |
1229 | [i], | |
1230 | i + 1); | |
1231 | write++; | |
1232 | } | |
1233 | } | |
1234 | } | |
1235 | ||
1236 | /* ISIS - Priority */ | |
1237 | if (circuit->priority[0] == circuit->priority[1]) { | |
1238 | if (circuit->priority[0] != DEFAULT_PRIORITY) { | |
7c0cbd0e | 1239 | vty_out(vty, " " PROTO_NAME " priority %d\n", |
d62a17ae | 1240 | circuit->priority[0]); |
1241 | write++; | |
1242 | } | |
1243 | } else { | |
1244 | for (i = 0; i < 2; i++) { | |
1245 | if (circuit->priority[i] | |
1246 | != DEFAULT_PRIORITY) { | |
1247 | vty_out(vty, | |
7c0cbd0e | 1248 | " " PROTO_NAME " priority %d level-%d\n", |
d62a17ae | 1249 | circuit->priority[i], |
1250 | i + 1); | |
1251 | write++; | |
1252 | } | |
1253 | } | |
1254 | } | |
1255 | ||
1256 | /* ISIS - Metric */ | |
1257 | if (circuit->te_metric[0] == circuit->te_metric[1]) { | |
1258 | if (circuit->te_metric[0] | |
1259 | != DEFAULT_CIRCUIT_METRIC) { | |
7c0cbd0e | 1260 | vty_out(vty, " " PROTO_NAME " metric %d\n", |
d62a17ae | 1261 | circuit->te_metric[0]); |
1262 | write++; | |
1263 | } | |
1264 | } else { | |
1265 | for (i = 0; i < 2; i++) { | |
1266 | if (circuit->te_metric[i] | |
1267 | != DEFAULT_CIRCUIT_METRIC) { | |
1268 | vty_out(vty, | |
7c0cbd0e | 1269 | " " PROTO_NAME " metric %d level-%d\n", |
d62a17ae | 1270 | circuit->te_metric[i], |
1271 | i + 1); | |
1272 | write++; | |
1273 | } | |
1274 | } | |
1275 | } | |
1276 | if (circuit->passwd.type == ISIS_PASSWD_TYPE_HMAC_MD5) { | |
7c0cbd0e | 1277 | vty_out(vty, " " PROTO_NAME " password md5 %s\n", |
d62a17ae | 1278 | circuit->passwd.passwd); |
1279 | write++; | |
1280 | } else if (circuit->passwd.type | |
1281 | == ISIS_PASSWD_TYPE_CLEARTXT) { | |
7c0cbd0e | 1282 | vty_out(vty, " " PROTO_NAME " password clear %s\n", |
d62a17ae | 1283 | circuit->passwd.passwd); |
1284 | write++; | |
1285 | } | |
13bf3830 IR |
1286 | if (circuit->bfd_config.enabled) { |
1287 | vty_out(vty, " " PROTO_NAME " bfd\n"); | |
1288 | write++; | |
1289 | } | |
5489eb45 CF |
1290 | write += hook_call(isis_circuit_config_write, |
1291 | circuit, vty); | |
d62a17ae | 1292 | } |
a8b828f3 | 1293 | vty_endframe(vty, "!\n"); |
d62a17ae | 1294 | } |
1295 | ||
1296 | return write; | |
eb5d44eb | 1297 | } |
20600086 | 1298 | #else |
612c2c15 | 1299 | static int isis_interface_config_write(struct vty *vty) |
20600086 | 1300 | { |
65251ce8 | 1301 | struct vrf *vrf = NULL; |
20600086 | 1302 | int write = 0; |
20600086 | 1303 | |
65251ce8 | 1304 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { |
1305 | struct interface *ifp; | |
20600086 | 1306 | |
65251ce8 | 1307 | FOR_ALL_INTERFACES (vrf, ifp) { |
1308 | struct lyd_node *dnode; | |
3bb513c3 | 1309 | dnode = yang_dnode_getf( |
65251ce8 | 1310 | running_config->dnode, |
1311 | "/frr-interface:lib/interface[name='%s'][vrf='%s']", | |
1312 | ifp->name, vrf->name); | |
1313 | if (dnode == NULL) | |
1314 | continue; | |
1315 | ||
1316 | write++; | |
1317 | nb_cli_show_dnode_cmds(vty, dnode, false); | |
1318 | } | |
20600086 EDP |
1319 | } |
1320 | return write; | |
1321 | } | |
1322 | #endif /* ifdef FABRICD */ | |
eb5d44eb | 1323 | |
d62a17ae | 1324 | void isis_circuit_af_set(struct isis_circuit *circuit, bool ip_router, |
1325 | bool ipv6_router) | |
eb5d44eb | 1326 | { |
d62a17ae | 1327 | struct isis_area *area = circuit->area; |
e8cff6d1 EDP |
1328 | int old_ipr = circuit->ip_router; |
1329 | int old_ipv6r = circuit->ipv6_router; | |
1330 | ||
1331 | /* is there something to do? */ | |
1332 | if (old_ipr == ip_router && old_ipv6r == ipv6_router) | |
1333 | return; | |
d62a17ae | 1334 | |
d62a17ae | 1335 | circuit->ip_router = ip_router; |
1336 | circuit->ipv6_router = ipv6_router; | |
e8cff6d1 | 1337 | circuit_update_nlpids(circuit); |
d62a17ae | 1338 | |
bcf22081 IR |
1339 | if (area) { |
1340 | area->ip_circuits += ip_router - old_ipr; | |
1341 | area->ipv6_circuits += ipv6_router - old_ipv6r; | |
d62a17ae | 1342 | |
bcf22081 IR |
1343 | if (ip_router || ipv6_router) |
1344 | lsp_regenerate_schedule(area, circuit->is_type, 0); | |
1345 | } | |
3f045a08 | 1346 | } |
eb5d44eb | 1347 | |
64dd3ffe | 1348 | ferr_r isis_circuit_passive_set(struct isis_circuit *circuit, bool passive) |
3f045a08 | 1349 | { |
d62a17ae | 1350 | if (circuit->is_passive == passive) |
64dd3ffe | 1351 | return ferr_ok(); |
d62a17ae | 1352 | |
a80618f2 | 1353 | if (if_is_loopback_or_vrf(circuit->interface) && !passive) |
64dd3ffe | 1354 | return ferr_cfg_invalid("loopback is always passive"); |
d62a17ae | 1355 | |
1356 | if (circuit->state != C_STATE_UP) { | |
1357 | circuit->is_passive = passive; | |
1358 | } else { | |
1359 | struct isis_area *area = circuit->area; | |
1360 | isis_csm_state_change(ISIS_DISABLE, circuit, area); | |
1361 | circuit->is_passive = passive; | |
1362 | isis_csm_state_change(ISIS_ENABLE, circuit, area); | |
1363 | } | |
1364 | ||
64dd3ffe | 1365 | return ferr_ok(); |
eb5d44eb | 1366 | } |
1367 | ||
64dd3ffe DL |
1368 | ferr_r isis_circuit_metric_set(struct isis_circuit *circuit, int level, |
1369 | int metric) | |
3f045a08 | 1370 | { |
d62a17ae | 1371 | assert(level == IS_LEVEL_1 || level == IS_LEVEL_2); |
1372 | if (metric > MAX_WIDE_LINK_METRIC) | |
64dd3ffe DL |
1373 | return ferr_cfg_invalid("metric %d too large for wide metric", |
1374 | metric); | |
d62a17ae | 1375 | if (circuit->area && circuit->area->oldmetric |
1376 | && metric > MAX_NARROW_LINK_METRIC) | |
64dd3ffe DL |
1377 | return ferr_cfg_invalid("metric %d too large for narrow metric", |
1378 | metric); | |
d62a17ae | 1379 | |
1cbf96a8 | 1380 | /* inform ldp-sync of metric change |
1381 | * if ldp-sync is running need to save metric | |
1382 | * and restore new values after ldp-sync completion. | |
1383 | */ | |
1384 | if (isis_ldp_sync_if_metric_config(circuit, level, metric)) { | |
1385 | circuit->te_metric[level - 1] = metric; | |
1386 | circuit->metric[level - 1] = metric; | |
1387 | if (circuit->area) | |
1388 | lsp_regenerate_schedule(circuit->area, level, 0); | |
1389 | } | |
64dd3ffe | 1390 | return ferr_ok(); |
eb5d44eb | 1391 | } |
1392 | ||
64dd3ffe | 1393 | ferr_r isis_circuit_passwd_unset(struct isis_circuit *circuit) |
eb5d44eb | 1394 | { |
d62a17ae | 1395 | memset(&circuit->passwd, 0, sizeof(circuit->passwd)); |
64dd3ffe | 1396 | return ferr_ok(); |
3f045a08 JB |
1397 | } |
1398 | ||
e28544ed QY |
1399 | ferr_r isis_circuit_passwd_set(struct isis_circuit *circuit, |
1400 | uint8_t passwd_type, const char *passwd) | |
3f045a08 | 1401 | { |
d62a17ae | 1402 | int len; |
f390d2c7 | 1403 | |
d62a17ae | 1404 | if (!passwd) |
64dd3ffe | 1405 | return ferr_code_bug("no circuit password given"); |
50c7d14a | 1406 | |
d62a17ae | 1407 | len = strlen(passwd); |
1408 | if (len > 254) | |
64dd3ffe DL |
1409 | return ferr_code_bug( |
1410 | "circuit password too long (max 254 chars)"); | |
f390d2c7 | 1411 | |
d62a17ae | 1412 | circuit->passwd.len = len; |
e28544ed QY |
1413 | strlcpy((char *)circuit->passwd.passwd, passwd, |
1414 | sizeof(circuit->passwd.passwd)); | |
d62a17ae | 1415 | circuit->passwd.type = passwd_type; |
64dd3ffe | 1416 | return ferr_ok(); |
eb5d44eb | 1417 | } |
1418 | ||
64dd3ffe DL |
1419 | ferr_r isis_circuit_passwd_cleartext_set(struct isis_circuit *circuit, |
1420 | const char *passwd) | |
eb5d44eb | 1421 | { |
d62a17ae | 1422 | return isis_circuit_passwd_set(circuit, ISIS_PASSWD_TYPE_CLEARTXT, |
1423 | passwd); | |
50c7d14a | 1424 | } |
f390d2c7 | 1425 | |
64dd3ffe DL |
1426 | ferr_r isis_circuit_passwd_hmac_md5_set(struct isis_circuit *circuit, |
1427 | const char *passwd) | |
50c7d14a | 1428 | { |
d62a17ae | 1429 | return isis_circuit_passwd_set(circuit, ISIS_PASSWD_TYPE_HMAC_MD5, |
1430 | passwd); | |
eb5d44eb | 1431 | } |
64dd3ffe | 1432 | |
3f045a08 | 1433 | struct cmd_node interface_node = { |
f4b8291f | 1434 | .name = "interface", |
62b346ee | 1435 | .node = INTERFACE_NODE, |
24389580 | 1436 | .parent_node = CONFIG_NODE, |
62b346ee | 1437 | .prompt = "%s(config-if)# ", |
612c2c15 | 1438 | .config_write = isis_interface_config_write, |
eb5d44eb | 1439 | }; |
1440 | ||
d0820765 | 1441 | void isis_circuit_circ_type_set(struct isis_circuit *circuit, int circ_type) |
3f045a08 | 1442 | { |
64dd3ffe | 1443 | if (circuit->circ_type == circ_type) |
d0820765 | 1444 | return; |
d62a17ae | 1445 | |
d62a17ae | 1446 | if (circuit->state != C_STATE_UP) { |
1447 | circuit->circ_type = circ_type; | |
1448 | circuit->circ_type_config = circ_type; | |
1449 | } else { | |
1450 | struct isis_area *area = circuit->area; | |
d62a17ae | 1451 | |
1452 | isis_csm_state_change(ISIS_DISABLE, circuit, area); | |
1453 | circuit->circ_type = circ_type; | |
1454 | circuit->circ_type_config = circ_type; | |
1455 | isis_csm_state_change(ISIS_ENABLE, circuit, area); | |
1456 | } | |
3f045a08 JB |
1457 | } |
1458 | ||
d62a17ae | 1459 | int isis_circuit_mt_enabled_set(struct isis_circuit *circuit, uint16_t mtid, |
1460 | bool enabled) | |
064f4896 | 1461 | { |
d62a17ae | 1462 | struct isis_circuit_mt_setting *setting; |
064f4896 | 1463 | |
d62a17ae | 1464 | setting = circuit_get_mt_setting(circuit, mtid); |
1465 | if (setting->enabled != enabled) { | |
1466 | setting->enabled = enabled; | |
bcf22081 IR |
1467 | if (circuit->area) |
1468 | lsp_regenerate_schedule(circuit->area, | |
1469 | IS_LEVEL_1 | IS_LEVEL_2, 0); | |
d62a17ae | 1470 | } |
064f4896 | 1471 | |
d62a17ae | 1472 | return CMD_SUCCESS; |
064f4896 CF |
1473 | } |
1474 | ||
d62a17ae | 1475 | int isis_if_new_hook(struct interface *ifp) |
eb5d44eb | 1476 | { |
d62a17ae | 1477 | return 0; |
eb5d44eb | 1478 | } |
1479 | ||
d62a17ae | 1480 | int isis_if_delete_hook(struct interface *ifp) |
eb5d44eb | 1481 | { |
bcf22081 IR |
1482 | if (ifp->info) |
1483 | isis_circuit_del(ifp->info); | |
d62a17ae | 1484 | |
1485 | return 0; | |
eb5d44eb | 1486 | } |
1487 | ||
138c5a74 DS |
1488 | static int isis_ifp_create(struct interface *ifp) |
1489 | { | |
bcf22081 IR |
1490 | struct isis_circuit *circuit = ifp->info; |
1491 | ||
1492 | if (circuit) | |
1493 | isis_circuit_enable(circuit); | |
65251ce8 | 1494 | |
ef7bd2a3 DS |
1495 | hook_call(isis_if_new_hook, ifp); |
1496 | ||
138c5a74 DS |
1497 | return 0; |
1498 | } | |
1499 | ||
1500 | static int isis_ifp_up(struct interface *ifp) | |
1501 | { | |
bcf22081 IR |
1502 | struct isis_circuit *circuit = ifp->info; |
1503 | ||
1504 | if (circuit) | |
1505 | isis_csm_state_change(IF_UP_FROM_Z, circuit, ifp); | |
ddbf3e60 | 1506 | |
138c5a74 DS |
1507 | return 0; |
1508 | } | |
1509 | ||
1510 | static int isis_ifp_down(struct interface *ifp) | |
1511 | { | |
bcf22081 IR |
1512 | struct isis_circuit *circuit = ifp->info; |
1513 | ||
1514 | if (circuit) { | |
1515 | isis_csm_state_change(IF_DOWN_FROM_Z, circuit, ifp); | |
b0b69e59 | 1516 | |
b0b69e59 | 1517 | SET_FLAG(circuit->flags, ISIS_CIRCUIT_FLAPPED_AFTER_SPF); |
bcf22081 | 1518 | } |
b0b69e59 | 1519 | |
138c5a74 DS |
1520 | return 0; |
1521 | } | |
1522 | ||
1523 | static int isis_ifp_destroy(struct interface *ifp) | |
1524 | { | |
bcf22081 | 1525 | struct isis_circuit *circuit = ifp->info; |
3c3c3252 | 1526 | |
bcf22081 IR |
1527 | if (circuit) |
1528 | isis_circuit_disable(circuit); | |
3c3c3252 | 1529 | |
138c5a74 DS |
1530 | return 0; |
1531 | } | |
1532 | ||
4d762f26 | 1533 | void isis_circuit_init(void) |
eb5d44eb | 1534 | { |
d62a17ae | 1535 | /* Initialize Zebra interface data structure */ |
ce19a04a DL |
1536 | hook_register_prio(if_add, 0, isis_if_new_hook); |
1537 | hook_register_prio(if_del, 0, isis_if_delete_hook); | |
eb5d44eb | 1538 | |
d62a17ae | 1539 | /* Install interface node */ |
612c2c15 | 1540 | install_node(&interface_node); |
d62a17ae | 1541 | if_cmd_init(); |
138c5a74 DS |
1542 | if_zapi_callbacks(isis_ifp_create, isis_ifp_up, |
1543 | isis_ifp_down, isis_ifp_destroy); | |
eb5d44eb | 1544 | } |