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f8c06e2c OD |
1 | /* |
2 | * IS-IS Rout(e)ing protocol - isis_te.c | |
3 | * | |
68558b13 | 4 | * This is an implementation of RFC5305 & RFC 7810 |
f8c06e2c OD |
5 | * |
6 | * Copyright (C) 2014 Orange Labs | |
7 | * http://www.orange.com | |
8 | * | |
9 | * This file is part of GNU Zebra. | |
10 | * | |
11 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
12 | * under the terms of the GNU General Public License as published by the | |
13 | * Free Software Foundation; either version 2, or (at your option) any | |
14 | * later version. | |
15 | * | |
16 | * GNU Zebra is distributed in the hope that it will be useful, but | |
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | * General Public License for more details. | |
20 | * | |
896014f4 DL |
21 | * You should have received a copy of the GNU General Public License along |
22 | * with this program; see the file COPYING; if not, write to the Free Software | |
23 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
f8c06e2c OD |
24 | */ |
25 | ||
26 | #include <zebra.h> | |
27 | #include <math.h> | |
28 | ||
29 | #include "linklist.h" | |
30 | #include "thread.h" | |
31 | #include "vty.h" | |
32 | #include "stream.h" | |
33 | #include "memory.h" | |
34 | #include "log.h" | |
35 | #include "prefix.h" | |
36 | #include "command.h" | |
37 | #include "hash.h" | |
38 | #include "if.h" | |
39 | #include "vrf.h" | |
40 | #include "checksum.h" | |
41 | #include "md5.h" | |
42 | #include "sockunion.h" | |
43 | #include "network.h" | |
af8ac8f9 | 44 | #include "sbuf.h" |
f8c06e2c OD |
45 | |
46 | #include "isisd/dict.h" | |
47 | #include "isisd/isis_constants.h" | |
48 | #include "isisd/isis_common.h" | |
49 | #include "isisd/isis_flags.h" | |
50 | #include "isisd/isis_circuit.h" | |
51 | #include "isisd/isisd.h" | |
f8c06e2c OD |
52 | #include "isisd/isis_lsp.h" |
53 | #include "isisd/isis_pdu.h" | |
54 | #include "isisd/isis_dynhn.h" | |
55 | #include "isisd/isis_misc.h" | |
56 | #include "isisd/isis_csm.h" | |
57 | #include "isisd/isis_adjacency.h" | |
58 | #include "isisd/isis_spf.h" | |
59 | #include "isisd/isis_te.h" | |
60 | ||
61 | /* Global varial for MPLS TE management */ | |
62 | struct isis_mpls_te isisMplsTE; | |
63 | ||
d62a17ae | 64 | const char *mode2text[] = {"Disable", "Area", "AS", "Emulate"}; |
f8c06e2c OD |
65 | |
66 | /*------------------------------------------------------------------------* | |
67 | * Followings are control functions for MPLS-TE parameters management. | |
68 | *------------------------------------------------------------------------*/ | |
69 | ||
70 | /* Search MPLS TE Circuit context from Interface */ | |
d62a17ae | 71 | static struct mpls_te_circuit *lookup_mpls_params_by_ifp(struct interface *ifp) |
f8c06e2c | 72 | { |
d62a17ae | 73 | struct isis_circuit *circuit; |
f8c06e2c | 74 | |
d62a17ae | 75 | if ((circuit = circuit_scan_by_ifp(ifp)) == NULL) |
76 | return NULL; | |
f8c06e2c | 77 | |
d62a17ae | 78 | return circuit->mtc; |
f8c06e2c OD |
79 | } |
80 | ||
81 | /* Create new MPLS TE Circuit context */ | |
d62a17ae | 82 | struct mpls_te_circuit *mpls_te_circuit_new() |
f8c06e2c | 83 | { |
d62a17ae | 84 | struct mpls_te_circuit *mtc; |
f8c06e2c | 85 | |
d62a17ae | 86 | zlog_debug("ISIS MPLS-TE: Create new MPLS TE Circuit context"); |
f8c06e2c | 87 | |
d62a17ae | 88 | mtc = XCALLOC(MTYPE_ISIS_MPLS_TE, sizeof(struct mpls_te_circuit)); |
f8c06e2c | 89 | |
d62a17ae | 90 | if (mtc == NULL) |
91 | return NULL; | |
f8c06e2c | 92 | |
d62a17ae | 93 | mtc->status = disable; |
94 | mtc->type = STD_TE; | |
95 | mtc->length = 0; | |
f8c06e2c | 96 | |
d62a17ae | 97 | return mtc; |
f8c06e2c OD |
98 | } |
99 | ||
d62a17ae | 100 | /* Copy SUB TLVs parameters into a buffer - No space verification are performed |
101 | */ | |
f8c06e2c | 102 | /* Caller must verify before that there is enough free space in the buffer */ |
af8ac8f9 | 103 | uint8_t add_te_subtlvs(uint8_t *buf, struct mpls_te_circuit *mtc) |
f8c06e2c | 104 | { |
af8ac8f9 | 105 | uint8_t size, *tlvs = buf; |
d62a17ae | 106 | |
107 | zlog_debug("ISIS MPLS-TE: Add TE Sub TLVs to buffer"); | |
108 | ||
109 | if (mtc == NULL) { | |
110 | zlog_debug( | |
111 | "ISIS MPLS-TE: Abort! No MPLS TE Circuit available has been specified"); | |
112 | return 0; | |
113 | } | |
114 | ||
115 | /* Create buffer if not provided */ | |
116 | if (buf == NULL) { | |
117 | zlog_debug("ISIS MPLS-TE: Abort! No Buffer has been specified"); | |
118 | return 0; | |
119 | } | |
120 | ||
121 | /* TE_SUBTLV_ADMIN_GRP */ | |
122 | if (SUBTLV_TYPE(mtc->admin_grp) != 0) { | |
123 | size = SUBTLV_SIZE(&(mtc->admin_grp.header)); | |
124 | memcpy(tlvs, &(mtc->admin_grp), size); | |
125 | tlvs += size; | |
126 | } | |
127 | ||
128 | /* TE_SUBTLV_LLRI */ | |
129 | if (SUBTLV_TYPE(mtc->llri) != 0) { | |
130 | size = SUBTLV_SIZE(&(mtc->llri.header)); | |
131 | memcpy(tlvs, &(mtc->llri), size); | |
132 | tlvs += size; | |
133 | } | |
134 | ||
135 | /* TE_SUBTLV_LCLIF_IPADDR */ | |
136 | if (SUBTLV_TYPE(mtc->local_ipaddr) != 0) { | |
137 | size = SUBTLV_SIZE(&(mtc->local_ipaddr.header)); | |
138 | memcpy(tlvs, &(mtc->local_ipaddr), size); | |
139 | tlvs += size; | |
140 | } | |
141 | ||
142 | /* TE_SUBTLV_RMTIF_IPADDR */ | |
143 | if (SUBTLV_TYPE(mtc->rmt_ipaddr) != 0) { | |
144 | size = SUBTLV_SIZE(&(mtc->rmt_ipaddr.header)); | |
145 | memcpy(tlvs, &(mtc->rmt_ipaddr), size); | |
146 | tlvs += size; | |
147 | } | |
148 | ||
149 | /* TE_SUBTLV_MAX_BW */ | |
150 | if (SUBTLV_TYPE(mtc->max_bw) != 0) { | |
151 | size = SUBTLV_SIZE(&(mtc->max_bw.header)); | |
152 | memcpy(tlvs, &(mtc->max_bw), size); | |
153 | tlvs += size; | |
154 | } | |
155 | ||
156 | /* TE_SUBTLV_MAX_RSV_BW */ | |
157 | if (SUBTLV_TYPE(mtc->max_rsv_bw) != 0) { | |
158 | size = SUBTLV_SIZE(&(mtc->max_rsv_bw.header)); | |
159 | memcpy(tlvs, &(mtc->max_rsv_bw), size); | |
160 | tlvs += size; | |
161 | } | |
162 | ||
163 | /* TE_SUBTLV_UNRSV_BW */ | |
164 | if (SUBTLV_TYPE(mtc->unrsv_bw) != 0) { | |
165 | size = SUBTLV_SIZE(&(mtc->unrsv_bw.header)); | |
166 | memcpy(tlvs, &(mtc->unrsv_bw), size); | |
167 | tlvs += size; | |
168 | } | |
169 | ||
170 | /* TE_SUBTLV_TE_METRIC */ | |
171 | if (SUBTLV_TYPE(mtc->te_metric) != 0) { | |
172 | size = SUBTLV_SIZE(&(mtc->te_metric.header)); | |
173 | memcpy(tlvs, &(mtc->te_metric), size); | |
174 | tlvs += size; | |
175 | } | |
176 | ||
177 | /* TE_SUBTLV_AV_DELAY */ | |
178 | if (SUBTLV_TYPE(mtc->av_delay) != 0) { | |
179 | size = SUBTLV_SIZE(&(mtc->av_delay.header)); | |
180 | memcpy(tlvs, &(mtc->av_delay), size); | |
181 | tlvs += size; | |
182 | } | |
183 | ||
184 | /* TE_SUBTLV_MM_DELAY */ | |
185 | if (SUBTLV_TYPE(mtc->mm_delay) != 0) { | |
186 | size = SUBTLV_SIZE(&(mtc->mm_delay.header)); | |
187 | memcpy(tlvs, &(mtc->mm_delay), size); | |
188 | tlvs += size; | |
189 | } | |
190 | ||
191 | /* TE_SUBTLV_DELAY_VAR */ | |
192 | if (SUBTLV_TYPE(mtc->delay_var) != 0) { | |
193 | size = SUBTLV_SIZE(&(mtc->delay_var.header)); | |
194 | memcpy(tlvs, &(mtc->delay_var), size); | |
195 | tlvs += size; | |
196 | } | |
197 | ||
198 | /* TE_SUBTLV_PKT_LOSS */ | |
199 | if (SUBTLV_TYPE(mtc->pkt_loss) != 0) { | |
200 | size = SUBTLV_SIZE(&(mtc->pkt_loss.header)); | |
201 | memcpy(tlvs, &(mtc->pkt_loss), size); | |
202 | tlvs += size; | |
203 | } | |
204 | ||
205 | /* TE_SUBTLV_RES_BW */ | |
206 | if (SUBTLV_TYPE(mtc->res_bw) != 0) { | |
207 | size = SUBTLV_SIZE(&(mtc->res_bw.header)); | |
208 | memcpy(tlvs, &(mtc->res_bw), size); | |
209 | tlvs += size; | |
210 | } | |
211 | ||
212 | /* TE_SUBTLV_AVA_BW */ | |
213 | if (SUBTLV_TYPE(mtc->ava_bw) != 0) { | |
214 | size = SUBTLV_SIZE(&(mtc->ava_bw.header)); | |
215 | memcpy(tlvs, &(mtc->ava_bw), size); | |
216 | tlvs += size; | |
217 | } | |
218 | ||
219 | /* TE_SUBTLV_USE_BW */ | |
220 | if (SUBTLV_TYPE(mtc->use_bw) != 0) { | |
221 | size = SUBTLV_SIZE(&(mtc->use_bw.header)); | |
222 | memcpy(tlvs, &(mtc->use_bw), size); | |
223 | tlvs += size; | |
224 | } | |
225 | ||
9c5e2b4f VJ |
226 | /* Add before this line any other parsing of TLV */ |
227 | (void)tlvs; | |
228 | ||
d62a17ae | 229 | /* Update SubTLVs length */ |
230 | mtc->length = subtlvs_len(mtc); | |
231 | ||
232 | zlog_debug("ISIS MPLS-TE: Add %d bytes length SubTLVs", mtc->length); | |
233 | ||
234 | return mtc->length; | |
f8c06e2c OD |
235 | } |
236 | ||
237 | /* Compute total Sub-TLVs size */ | |
af8ac8f9 | 238 | uint8_t subtlvs_len(struct mpls_te_circuit *mtc) |
f8c06e2c | 239 | { |
d62a17ae | 240 | int length = 0; |
f8c06e2c | 241 | |
d62a17ae | 242 | /* Sanity Check */ |
243 | if (mtc == NULL) | |
244 | return 0; | |
f8c06e2c | 245 | |
d62a17ae | 246 | /* TE_SUBTLV_ADMIN_GRP */ |
247 | if (SUBTLV_TYPE(mtc->admin_grp) != 0) | |
248 | length += SUBTLV_SIZE(&(mtc->admin_grp.header)); | |
f8c06e2c | 249 | |
d62a17ae | 250 | /* TE_SUBTLV_LLRI */ |
251 | if (SUBTLV_TYPE(mtc->llri) != 0) | |
252 | length += SUBTLV_SIZE(&mtc->llri.header); | |
f8c06e2c | 253 | |
d62a17ae | 254 | /* TE_SUBTLV_LCLIF_IPADDR */ |
255 | if (SUBTLV_TYPE(mtc->local_ipaddr) != 0) | |
256 | length += SUBTLV_SIZE(&mtc->local_ipaddr.header); | |
f8c06e2c | 257 | |
d62a17ae | 258 | /* TE_SUBTLV_RMTIF_IPADDR */ |
259 | if (SUBTLV_TYPE(mtc->rmt_ipaddr) != 0) | |
260 | length += SUBTLV_SIZE(&mtc->rmt_ipaddr.header); | |
f8c06e2c | 261 | |
d62a17ae | 262 | /* TE_SUBTLV_MAX_BW */ |
263 | if (SUBTLV_TYPE(mtc->max_bw) != 0) | |
264 | length += SUBTLV_SIZE(&mtc->max_bw.header); | |
f8c06e2c | 265 | |
d62a17ae | 266 | /* TE_SUBTLV_MAX_RSV_BW */ |
267 | if (SUBTLV_TYPE(mtc->max_rsv_bw) != 0) | |
268 | length += SUBTLV_SIZE(&mtc->max_rsv_bw.header); | |
f8c06e2c | 269 | |
d62a17ae | 270 | /* TE_SUBTLV_UNRSV_BW */ |
271 | if (SUBTLV_TYPE(mtc->unrsv_bw) != 0) | |
272 | length += SUBTLV_SIZE(&mtc->unrsv_bw.header); | |
f8c06e2c | 273 | |
d62a17ae | 274 | /* TE_SUBTLV_TE_METRIC */ |
275 | if (SUBTLV_TYPE(mtc->te_metric) != 0) | |
276 | length += SUBTLV_SIZE(&mtc->te_metric.header); | |
f8c06e2c | 277 | |
d62a17ae | 278 | /* TE_SUBTLV_AV_DELAY */ |
279 | if (SUBTLV_TYPE(mtc->av_delay) != 0) | |
280 | length += SUBTLV_SIZE(&mtc->av_delay.header); | |
f8c06e2c | 281 | |
d62a17ae | 282 | /* TE_SUBTLV_MM_DELAY */ |
283 | if (SUBTLV_TYPE(mtc->mm_delay) != 0) | |
284 | length += SUBTLV_SIZE(&mtc->mm_delay.header); | |
f8c06e2c | 285 | |
d62a17ae | 286 | /* TE_SUBTLV_DELAY_VAR */ |
287 | if (SUBTLV_TYPE(mtc->delay_var) != 0) | |
288 | length += SUBTLV_SIZE(&mtc->delay_var.header); | |
f8c06e2c | 289 | |
d62a17ae | 290 | /* TE_SUBTLV_PKT_LOSS */ |
291 | if (SUBTLV_TYPE(mtc->pkt_loss) != 0) | |
292 | length += SUBTLV_SIZE(&mtc->pkt_loss.header); | |
f8c06e2c | 293 | |
d62a17ae | 294 | /* TE_SUBTLV_RES_BW */ |
295 | if (SUBTLV_TYPE(mtc->res_bw) != 0) | |
296 | length += SUBTLV_SIZE(&mtc->res_bw.header); | |
f8c06e2c | 297 | |
d62a17ae | 298 | /* TE_SUBTLV_AVA_BW */ |
299 | if (SUBTLV_TYPE(mtc->ava_bw) != 0) | |
300 | length += SUBTLV_SIZE(&mtc->ava_bw.header); | |
f8c06e2c | 301 | |
d62a17ae | 302 | /* TE_SUBTLV_USE_BW */ |
303 | if (SUBTLV_TYPE(mtc->use_bw) != 0) | |
304 | length += SUBTLV_SIZE(&mtc->use_bw.header); | |
f8c06e2c | 305 | |
d62a17ae | 306 | /* Check that length is lower than the MAXIMUM SUBTLV size i.e. 256 */ |
307 | if (length > MAX_SUBTLV_SIZE) { | |
308 | mtc->length = 0; | |
309 | return 0; | |
310 | } | |
f8c06e2c | 311 | |
af8ac8f9 | 312 | mtc->length = (uint8_t)length; |
f8c06e2c | 313 | |
d62a17ae | 314 | return mtc->length; |
f8c06e2c OD |
315 | } |
316 | ||
317 | /* Following are various functions to set MPLS TE parameters */ | |
d62a17ae | 318 | static void set_circuitparams_admin_grp(struct mpls_te_circuit *mtc, |
319 | u_int32_t admingrp) | |
f8c06e2c | 320 | { |
d62a17ae | 321 | SUBTLV_TYPE(mtc->admin_grp) = TE_SUBTLV_ADMIN_GRP; |
322 | SUBTLV_LEN(mtc->admin_grp) = SUBTLV_DEF_SIZE; | |
323 | mtc->admin_grp.value = htonl(admingrp); | |
324 | return; | |
f8c06e2c OD |
325 | } |
326 | ||
d62a17ae | 327 | static void __attribute__((unused)) |
328 | set_circuitparams_llri(struct mpls_te_circuit *mtc, u_int32_t local, | |
329 | u_int32_t remote) | |
f8c06e2c | 330 | { |
d62a17ae | 331 | SUBTLV_TYPE(mtc->llri) = TE_SUBTLV_LLRI; |
332 | SUBTLV_LEN(mtc->llri) = TE_SUBTLV_LLRI_SIZE; | |
333 | mtc->llri.local = htonl(local); | |
334 | mtc->llri.remote = htonl(remote); | |
f8c06e2c OD |
335 | } |
336 | ||
d62a17ae | 337 | void set_circuitparams_local_ipaddr(struct mpls_te_circuit *mtc, |
338 | struct in_addr addr) | |
f8c06e2c OD |
339 | { |
340 | ||
d62a17ae | 341 | SUBTLV_TYPE(mtc->local_ipaddr) = TE_SUBTLV_LOCAL_IPADDR; |
342 | SUBTLV_LEN(mtc->local_ipaddr) = SUBTLV_DEF_SIZE; | |
343 | mtc->local_ipaddr.value.s_addr = addr.s_addr; | |
344 | return; | |
f8c06e2c OD |
345 | } |
346 | ||
d62a17ae | 347 | void set_circuitparams_rmt_ipaddr(struct mpls_te_circuit *mtc, |
348 | struct in_addr addr) | |
f8c06e2c OD |
349 | { |
350 | ||
d62a17ae | 351 | SUBTLV_TYPE(mtc->rmt_ipaddr) = TE_SUBTLV_RMT_IPADDR; |
352 | SUBTLV_LEN(mtc->rmt_ipaddr) = SUBTLV_DEF_SIZE; | |
353 | mtc->rmt_ipaddr.value.s_addr = addr.s_addr; | |
354 | return; | |
f8c06e2c OD |
355 | } |
356 | ||
d62a17ae | 357 | static void set_circuitparams_max_bw(struct mpls_te_circuit *mtc, float fp) |
f8c06e2c | 358 | { |
d62a17ae | 359 | SUBTLV_TYPE(mtc->max_bw) = TE_SUBTLV_MAX_BW; |
360 | SUBTLV_LEN(mtc->max_bw) = SUBTLV_DEF_SIZE; | |
361 | mtc->max_bw.value = htonf(fp); | |
362 | return; | |
f8c06e2c OD |
363 | } |
364 | ||
d62a17ae | 365 | static void set_circuitparams_max_rsv_bw(struct mpls_te_circuit *mtc, float fp) |
f8c06e2c | 366 | { |
d62a17ae | 367 | SUBTLV_TYPE(mtc->max_rsv_bw) = TE_SUBTLV_MAX_RSV_BW; |
368 | SUBTLV_LEN(mtc->max_rsv_bw) = SUBTLV_DEF_SIZE; | |
369 | mtc->max_rsv_bw.value = htonf(fp); | |
370 | return; | |
f8c06e2c OD |
371 | } |
372 | ||
d62a17ae | 373 | static void set_circuitparams_unrsv_bw(struct mpls_te_circuit *mtc, |
374 | int priority, float fp) | |
f8c06e2c | 375 | { |
d62a17ae | 376 | /* Note that TLV-length field is the size of array. */ |
377 | SUBTLV_TYPE(mtc->unrsv_bw) = TE_SUBTLV_UNRSV_BW; | |
378 | SUBTLV_LEN(mtc->unrsv_bw) = TE_SUBTLV_UNRSV_SIZE; | |
379 | mtc->unrsv_bw.value[priority] = htonf(fp); | |
380 | return; | |
f8c06e2c OD |
381 | } |
382 | ||
d62a17ae | 383 | static void set_circuitparams_te_metric(struct mpls_te_circuit *mtc, |
384 | u_int32_t te_metric) | |
f8c06e2c | 385 | { |
d62a17ae | 386 | SUBTLV_TYPE(mtc->te_metric) = TE_SUBTLV_TE_METRIC; |
387 | SUBTLV_LEN(mtc->te_metric) = TE_SUBTLV_TE_METRIC_SIZE; | |
388 | mtc->te_metric.value[0] = (te_metric >> 16) & 0xFF; | |
389 | mtc->te_metric.value[1] = (te_metric >> 8) & 0xFF; | |
390 | mtc->te_metric.value[2] = te_metric & 0xFF; | |
391 | return; | |
f8c06e2c OD |
392 | } |
393 | ||
d62a17ae | 394 | static void set_circuitparams_inter_as(struct mpls_te_circuit *mtc, |
395 | struct in_addr addr, u_int32_t as) | |
f8c06e2c OD |
396 | { |
397 | ||
d62a17ae | 398 | /* Set the Remote ASBR IP address and then the associated AS number */ |
399 | SUBTLV_TYPE(mtc->rip) = TE_SUBTLV_RIP; | |
400 | SUBTLV_LEN(mtc->rip) = SUBTLV_DEF_SIZE; | |
401 | mtc->rip.value.s_addr = addr.s_addr; | |
f8c06e2c | 402 | |
d62a17ae | 403 | SUBTLV_TYPE(mtc->ras) = TE_SUBTLV_RAS; |
404 | SUBTLV_LEN(mtc->ras) = SUBTLV_DEF_SIZE; | |
405 | mtc->ras.value = htonl(as); | |
f8c06e2c OD |
406 | } |
407 | ||
d62a17ae | 408 | static void unset_circuitparams_inter_as(struct mpls_te_circuit *mtc) |
f8c06e2c OD |
409 | { |
410 | ||
d62a17ae | 411 | /* Reset the Remote ASBR IP address and then the associated AS number */ |
412 | SUBTLV_TYPE(mtc->rip) = 0; | |
413 | SUBTLV_LEN(mtc->rip) = 0; | |
414 | mtc->rip.value.s_addr = 0; | |
f8c06e2c | 415 | |
d62a17ae | 416 | SUBTLV_TYPE(mtc->ras) = 0; |
417 | SUBTLV_LEN(mtc->ras) = 0; | |
418 | mtc->ras.value = 0; | |
f8c06e2c OD |
419 | } |
420 | ||
d62a17ae | 421 | static void set_circuitparams_av_delay(struct mpls_te_circuit *mtc, |
422 | u_int32_t delay, u_char anormal) | |
f8c06e2c | 423 | { |
d62a17ae | 424 | u_int32_t tmp; |
425 | /* Note that TLV-length field is the size of array. */ | |
426 | SUBTLV_TYPE(mtc->av_delay) = TE_SUBTLV_AV_DELAY; | |
427 | SUBTLV_LEN(mtc->av_delay) = SUBTLV_DEF_SIZE; | |
428 | tmp = delay & TE_EXT_MASK; | |
429 | if (anormal) | |
430 | tmp |= TE_EXT_ANORMAL; | |
431 | mtc->av_delay.value = htonl(tmp); | |
432 | return; | |
f8c06e2c OD |
433 | } |
434 | ||
d62a17ae | 435 | static void set_circuitparams_mm_delay(struct mpls_te_circuit *mtc, |
436 | u_int32_t low, u_int32_t high, | |
437 | u_char anormal) | |
f8c06e2c | 438 | { |
d62a17ae | 439 | u_int32_t tmp; |
440 | /* Note that TLV-length field is the size of array. */ | |
441 | SUBTLV_TYPE(mtc->mm_delay) = TE_SUBTLV_MM_DELAY; | |
442 | SUBTLV_LEN(mtc->mm_delay) = TE_SUBTLV_MM_DELAY_SIZE; | |
443 | tmp = low & TE_EXT_MASK; | |
444 | if (anormal) | |
445 | tmp |= TE_EXT_ANORMAL; | |
446 | mtc->mm_delay.low = htonl(tmp); | |
447 | mtc->mm_delay.high = htonl(high); | |
448 | return; | |
f8c06e2c OD |
449 | } |
450 | ||
d62a17ae | 451 | static void set_circuitparams_delay_var(struct mpls_te_circuit *mtc, |
452 | u_int32_t jitter) | |
f8c06e2c | 453 | { |
d62a17ae | 454 | /* Note that TLV-length field is the size of array. */ |
455 | SUBTLV_TYPE(mtc->delay_var) = TE_SUBTLV_DELAY_VAR; | |
456 | SUBTLV_LEN(mtc->delay_var) = SUBTLV_DEF_SIZE; | |
457 | mtc->delay_var.value = htonl(jitter & TE_EXT_MASK); | |
458 | return; | |
f8c06e2c OD |
459 | } |
460 | ||
d62a17ae | 461 | static void set_circuitparams_pkt_loss(struct mpls_te_circuit *mtc, |
462 | u_int32_t loss, u_char anormal) | |
f8c06e2c | 463 | { |
d62a17ae | 464 | u_int32_t tmp; |
465 | /* Note that TLV-length field is the size of array. */ | |
466 | SUBTLV_TYPE(mtc->pkt_loss) = TE_SUBTLV_PKT_LOSS; | |
467 | SUBTLV_LEN(mtc->pkt_loss) = SUBTLV_DEF_SIZE; | |
468 | tmp = loss & TE_EXT_MASK; | |
469 | if (anormal) | |
470 | tmp |= TE_EXT_ANORMAL; | |
471 | mtc->pkt_loss.value = htonl(tmp); | |
472 | return; | |
f8c06e2c OD |
473 | } |
474 | ||
d62a17ae | 475 | static void set_circuitparams_res_bw(struct mpls_te_circuit *mtc, float fp) |
f8c06e2c | 476 | { |
d62a17ae | 477 | /* Note that TLV-length field is the size of array. */ |
478 | SUBTLV_TYPE(mtc->res_bw) = TE_SUBTLV_RES_BW; | |
479 | SUBTLV_LEN(mtc->res_bw) = SUBTLV_DEF_SIZE; | |
480 | mtc->res_bw.value = htonf(fp); | |
481 | return; | |
f8c06e2c OD |
482 | } |
483 | ||
d62a17ae | 484 | static void set_circuitparams_ava_bw(struct mpls_te_circuit *mtc, float fp) |
f8c06e2c | 485 | { |
d62a17ae | 486 | /* Note that TLV-length field is the size of array. */ |
487 | SUBTLV_TYPE(mtc->ava_bw) = TE_SUBTLV_AVA_BW; | |
488 | SUBTLV_LEN(mtc->ava_bw) = SUBTLV_DEF_SIZE; | |
489 | mtc->ava_bw.value = htonf(fp); | |
490 | return; | |
f8c06e2c OD |
491 | } |
492 | ||
d62a17ae | 493 | static void set_circuitparams_use_bw(struct mpls_te_circuit *mtc, float fp) |
f8c06e2c | 494 | { |
d62a17ae | 495 | /* Note that TLV-length field is the size of array. */ |
496 | SUBTLV_TYPE(mtc->use_bw) = TE_SUBTLV_USE_BW; | |
497 | SUBTLV_LEN(mtc->use_bw) = SUBTLV_DEF_SIZE; | |
498 | mtc->use_bw.value = htonf(fp); | |
499 | return; | |
f8c06e2c OD |
500 | } |
501 | ||
502 | /* Main initialization / update function of the MPLS TE Circuit context */ | |
503 | /* Call when interface TE Link parameters are modified */ | |
d62a17ae | 504 | void isis_link_params_update(struct isis_circuit *circuit, |
505 | struct interface *ifp) | |
f8c06e2c | 506 | { |
d62a17ae | 507 | int i; |
508 | struct prefix_ipv4 *addr; | |
509 | struct mpls_te_circuit *mtc; | |
510 | ||
511 | /* Sanity Check */ | |
512 | if ((circuit == NULL) || (ifp == NULL)) | |
513 | return; | |
514 | ||
515 | zlog_info("MPLS-TE: Initialize circuit parameters for interface %s", | |
516 | ifp->name); | |
517 | ||
518 | /* Check if MPLS TE Circuit context has not been already created */ | |
519 | if (circuit->mtc == NULL) | |
520 | circuit->mtc = mpls_te_circuit_new(); | |
521 | ||
522 | mtc = circuit->mtc; | |
523 | ||
524 | /* Fulfil MTC TLV from ifp TE Link parameters */ | |
525 | if (HAS_LINK_PARAMS(ifp)) { | |
526 | mtc->status = enable; | |
527 | /* STD_TE metrics */ | |
528 | if (IS_PARAM_SET(ifp->link_params, LP_ADM_GRP)) | |
529 | set_circuitparams_admin_grp( | |
530 | mtc, ifp->link_params->admin_grp); | |
531 | else | |
532 | SUBTLV_TYPE(mtc->admin_grp) = 0; | |
533 | ||
534 | /* If not already set, register local IP addr from ip_addr list | |
535 | * if it exists */ | |
536 | if (SUBTLV_TYPE(mtc->local_ipaddr) == 0) { | |
537 | if (circuit->ip_addrs != NULL | |
538 | && listcount(circuit->ip_addrs) != 0) { | |
539 | addr = (struct prefix_ipv4 *)listgetdata( | |
540 | (struct listnode *)listhead( | |
541 | circuit->ip_addrs)); | |
542 | set_circuitparams_local_ipaddr(mtc, | |
543 | addr->prefix); | |
544 | } | |
545 | } | |
546 | ||
547 | /* If not already set, try to determine Remote IP addr if | |
548 | * circuit is P2P */ | |
549 | if ((SUBTLV_TYPE(mtc->rmt_ipaddr) == 0) | |
550 | && (circuit->circ_type == CIRCUIT_T_P2P)) { | |
551 | struct isis_adjacency *adj = circuit->u.p2p.neighbor; | |
0c1bd758 CF |
552 | if (adj->ipv4_address_count) { |
553 | set_circuitparams_rmt_ipaddr( | |
554 | mtc, adj->ipv4_addresses[0]); | |
d62a17ae | 555 | } |
556 | } | |
557 | ||
558 | if (IS_PARAM_SET(ifp->link_params, LP_MAX_BW)) | |
559 | set_circuitparams_max_bw(mtc, ifp->link_params->max_bw); | |
560 | else | |
561 | SUBTLV_TYPE(mtc->max_bw) = 0; | |
562 | ||
563 | if (IS_PARAM_SET(ifp->link_params, LP_MAX_RSV_BW)) | |
564 | set_circuitparams_max_rsv_bw( | |
565 | mtc, ifp->link_params->max_rsv_bw); | |
566 | else | |
567 | SUBTLV_TYPE(mtc->max_rsv_bw) = 0; | |
568 | ||
569 | if (IS_PARAM_SET(ifp->link_params, LP_UNRSV_BW)) | |
570 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
571 | set_circuitparams_unrsv_bw( | |
572 | mtc, i, ifp->link_params->unrsv_bw[i]); | |
573 | else | |
574 | SUBTLV_TYPE(mtc->unrsv_bw) = 0; | |
575 | ||
576 | if (IS_PARAM_SET(ifp->link_params, LP_TE_METRIC)) | |
577 | set_circuitparams_te_metric( | |
578 | mtc, ifp->link_params->te_metric); | |
579 | else | |
580 | SUBTLV_TYPE(mtc->te_metric) = 0; | |
581 | ||
582 | /* TE metric Extensions */ | |
583 | if (IS_PARAM_SET(ifp->link_params, LP_DELAY)) | |
584 | set_circuitparams_av_delay( | |
585 | mtc, ifp->link_params->av_delay, 0); | |
586 | else | |
587 | SUBTLV_TYPE(mtc->av_delay) = 0; | |
588 | ||
589 | if (IS_PARAM_SET(ifp->link_params, LP_MM_DELAY)) | |
590 | set_circuitparams_mm_delay( | |
591 | mtc, ifp->link_params->min_delay, | |
592 | ifp->link_params->max_delay, 0); | |
593 | else | |
594 | SUBTLV_TYPE(mtc->mm_delay) = 0; | |
595 | ||
596 | if (IS_PARAM_SET(ifp->link_params, LP_DELAY_VAR)) | |
597 | set_circuitparams_delay_var( | |
598 | mtc, ifp->link_params->delay_var); | |
599 | else | |
600 | SUBTLV_TYPE(mtc->delay_var) = 0; | |
601 | ||
602 | if (IS_PARAM_SET(ifp->link_params, LP_PKT_LOSS)) | |
603 | set_circuitparams_pkt_loss( | |
604 | mtc, ifp->link_params->pkt_loss, 0); | |
605 | else | |
606 | SUBTLV_TYPE(mtc->pkt_loss) = 0; | |
607 | ||
608 | if (IS_PARAM_SET(ifp->link_params, LP_RES_BW)) | |
609 | set_circuitparams_res_bw(mtc, ifp->link_params->res_bw); | |
610 | else | |
611 | SUBTLV_TYPE(mtc->res_bw) = 0; | |
612 | ||
613 | if (IS_PARAM_SET(ifp->link_params, LP_AVA_BW)) | |
614 | set_circuitparams_ava_bw(mtc, ifp->link_params->ava_bw); | |
615 | else | |
616 | SUBTLV_TYPE(mtc->ava_bw) = 0; | |
617 | ||
618 | if (IS_PARAM_SET(ifp->link_params, LP_USE_BW)) | |
619 | set_circuitparams_use_bw(mtc, ifp->link_params->use_bw); | |
620 | else | |
621 | SUBTLV_TYPE(mtc->use_bw) = 0; | |
622 | ||
623 | /* INTER_AS */ | |
624 | if (IS_PARAM_SET(ifp->link_params, LP_RMT_AS)) | |
625 | set_circuitparams_inter_as(mtc, | |
626 | ifp->link_params->rmt_ip, | |
627 | ifp->link_params->rmt_as); | |
628 | else | |
629 | /* reset inter-as TE params */ | |
630 | unset_circuitparams_inter_as(mtc); | |
631 | ||
632 | /* Compute total length of SUB TLVs */ | |
633 | mtc->length = subtlvs_len(mtc); | |
634 | ||
635 | } else | |
636 | mtc->status = disable; | |
637 | ||
638 | /* Finally Update LSP */ | |
f8c06e2c OD |
639 | #if 0 |
640 | if (IS_MPLS_TE(isisMplsTE) && circuit->area) | |
641 | lsp_regenerate_schedule (circuit->area, circuit->is_type, 0); | |
642 | #endif | |
d62a17ae | 643 | return; |
f8c06e2c OD |
644 | } |
645 | ||
d62a17ae | 646 | void isis_mpls_te_update(struct interface *ifp) |
f8c06e2c | 647 | { |
d62a17ae | 648 | struct isis_circuit *circuit; |
f8c06e2c | 649 | |
d62a17ae | 650 | /* Sanity Check */ |
651 | if (ifp == NULL) | |
652 | return; | |
f8c06e2c | 653 | |
d62a17ae | 654 | /* Get circuit context from interface */ |
655 | if ((circuit = circuit_scan_by_ifp(ifp)) == NULL) | |
656 | return; | |
f8c06e2c | 657 | |
d62a17ae | 658 | /* Update TE TLVs ... */ |
659 | isis_link_params_update(circuit, ifp); | |
f8c06e2c | 660 | |
d62a17ae | 661 | /* ... and LSP */ |
662 | if (IS_MPLS_TE(isisMplsTE) && circuit->area) | |
663 | lsp_regenerate_schedule(circuit->area, circuit->is_type, 0); | |
f8c06e2c | 664 | |
d62a17ae | 665 | return; |
f8c06e2c OD |
666 | } |
667 | ||
668 | /*------------------------------------------------------------------------* | |
669 | * Followings are vty session control functions. | |
670 | *------------------------------------------------------------------------*/ | |
671 | ||
af8ac8f9 CF |
672 | static u_char print_subtlv_admin_grp(struct sbuf *buf, int indent, |
673 | struct te_subtlv_admin_grp *tlv) | |
f8c06e2c | 674 | { |
af8ac8f9 CF |
675 | sbuf_push(buf, indent, "Administrative Group: 0x%" PRIx32 "\n", |
676 | ntohl(tlv->value)); | |
d62a17ae | 677 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
678 | } |
679 | ||
af8ac8f9 CF |
680 | static u_char print_subtlv_llri(struct sbuf *buf, int indent, |
681 | struct te_subtlv_llri *tlv) | |
f8c06e2c | 682 | { |
af8ac8f9 CF |
683 | sbuf_push(buf, indent, "Link Local ID: %" PRIu32 "\n", |
684 | ntohl(tlv->local)); | |
685 | sbuf_push(buf, indent, "Link Remote ID: %" PRIu32 "\n", | |
686 | ntohl(tlv->remote)); | |
d62a17ae | 687 | |
688 | return (SUBTLV_HDR_SIZE + TE_SUBTLV_LLRI_SIZE); | |
f8c06e2c OD |
689 | } |
690 | ||
af8ac8f9 CF |
691 | static u_char print_subtlv_local_ipaddr(struct sbuf *buf, int indent, |
692 | struct te_subtlv_local_ipaddr *tlv) | |
f8c06e2c | 693 | { |
af8ac8f9 CF |
694 | sbuf_push(buf, indent, "Local Interface IP Address(es): %s\n", |
695 | inet_ntoa(tlv->value)); | |
d62a17ae | 696 | |
697 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); | |
f8c06e2c OD |
698 | } |
699 | ||
af8ac8f9 CF |
700 | static u_char print_subtlv_rmt_ipaddr(struct sbuf *buf, int indent, |
701 | struct te_subtlv_rmt_ipaddr *tlv) | |
f8c06e2c | 702 | { |
af8ac8f9 CF |
703 | sbuf_push(buf, indent, "Remote Interface IP Address(es): %s\n", |
704 | inet_ntoa(tlv->value)); | |
d62a17ae | 705 | |
706 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); | |
f8c06e2c OD |
707 | } |
708 | ||
af8ac8f9 CF |
709 | static u_char print_subtlv_max_bw(struct sbuf *buf, int indent, |
710 | struct te_subtlv_max_bw *tlv) | |
f8c06e2c | 711 | { |
d62a17ae | 712 | float fval; |
f8c06e2c | 713 | |
d62a17ae | 714 | fval = ntohf(tlv->value); |
f8c06e2c | 715 | |
af8ac8f9 | 716 | sbuf_push(buf, indent, "Maximum Bandwidth: %g (Bytes/sec)\n", fval); |
f8c06e2c | 717 | |
d62a17ae | 718 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
719 | } |
720 | ||
af8ac8f9 CF |
721 | static u_char print_subtlv_max_rsv_bw(struct sbuf *buf, int indent, |
722 | struct te_subtlv_max_rsv_bw *tlv) | |
f8c06e2c | 723 | { |
d62a17ae | 724 | float fval; |
f8c06e2c | 725 | |
d62a17ae | 726 | fval = ntohf(tlv->value); |
f8c06e2c | 727 | |
996c9314 LB |
728 | sbuf_push(buf, indent, "Maximum Reservable Bandwidth: %g (Bytes/sec)\n", |
729 | fval); | |
f8c06e2c | 730 | |
d62a17ae | 731 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
732 | } |
733 | ||
af8ac8f9 CF |
734 | static u_char print_subtlv_unrsv_bw(struct sbuf *buf, int indent, |
735 | struct te_subtlv_unrsv_bw *tlv) | |
f8c06e2c | 736 | { |
d62a17ae | 737 | float fval1, fval2; |
738 | int i; | |
739 | ||
af8ac8f9 | 740 | sbuf_push(buf, indent, "Unreserved Bandwidth:\n"); |
d62a17ae | 741 | |
742 | for (i = 0; i < MAX_CLASS_TYPE; i += 2) { | |
743 | fval1 = ntohf(tlv->value[i]); | |
744 | fval2 = ntohf(tlv->value[i + 1]); | |
996c9314 LB |
745 | sbuf_push(buf, indent + 2, |
746 | "[%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)\n", i, | |
747 | fval1, i + 1, fval2); | |
d62a17ae | 748 | } |
749 | ||
750 | return (SUBTLV_HDR_SIZE + TE_SUBTLV_UNRSV_SIZE); | |
f8c06e2c OD |
751 | } |
752 | ||
af8ac8f9 CF |
753 | static u_char print_subtlv_te_metric(struct sbuf *buf, int indent, |
754 | struct te_subtlv_te_metric *tlv) | |
f8c06e2c | 755 | { |
d62a17ae | 756 | u_int32_t te_metric; |
f8c06e2c | 757 | |
d62a17ae | 758 | te_metric = tlv->value[2] | tlv->value[1] << 8 | tlv->value[0] << 16; |
af8ac8f9 | 759 | sbuf_push(buf, indent, "Traffic Engineering Metric: %u\n", te_metric); |
f8c06e2c | 760 | |
d62a17ae | 761 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
762 | } |
763 | ||
af8ac8f9 CF |
764 | static u_char print_subtlv_ras(struct sbuf *buf, int indent, |
765 | struct te_subtlv_ras *tlv) | |
f8c06e2c | 766 | { |
af8ac8f9 CF |
767 | sbuf_push(buf, indent, "Inter-AS TE Remote AS number: %" PRIu32 "\n", |
768 | ntohl(tlv->value)); | |
d62a17ae | 769 | |
770 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); | |
f8c06e2c OD |
771 | } |
772 | ||
af8ac8f9 CF |
773 | static u_char print_subtlv_rip(struct sbuf *buf, int indent, |
774 | struct te_subtlv_rip *tlv) | |
f8c06e2c | 775 | { |
af8ac8f9 CF |
776 | sbuf_push(buf, indent, "Inter-AS TE Remote ASBR IP address: %s\n", |
777 | inet_ntoa(tlv->value)); | |
d62a17ae | 778 | |
779 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); | |
f8c06e2c OD |
780 | } |
781 | ||
af8ac8f9 CF |
782 | static u_char print_subtlv_av_delay(struct sbuf *buf, int indent, |
783 | struct te_subtlv_av_delay *tlv) | |
f8c06e2c | 784 | { |
d62a17ae | 785 | u_int32_t delay; |
786 | u_int32_t A; | |
f8c06e2c | 787 | |
d62a17ae | 788 | delay = (u_int32_t)ntohl(tlv->value) & TE_EXT_MASK; |
789 | A = (u_int32_t)ntohl(tlv->value) & TE_EXT_ANORMAL; | |
f8c06e2c | 790 | |
996c9314 LB |
791 | sbuf_push(buf, indent, |
792 | "%s Average Link Delay: %" PRIu32 " (micro-sec)\n", | |
af8ac8f9 | 793 | A ? "Anomalous" : "Normal", delay); |
f8c06e2c | 794 | |
d62a17ae | 795 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
796 | } |
797 | ||
af8ac8f9 CF |
798 | static u_char print_subtlv_mm_delay(struct sbuf *buf, int indent, |
799 | struct te_subtlv_mm_delay *tlv) | |
f8c06e2c | 800 | { |
d62a17ae | 801 | u_int32_t low, high; |
802 | u_int32_t A; | |
f8c06e2c | 803 | |
d62a17ae | 804 | low = (u_int32_t)ntohl(tlv->low) & TE_EXT_MASK; |
805 | A = (u_int32_t)ntohl(tlv->low) & TE_EXT_ANORMAL; | |
806 | high = (u_int32_t)ntohl(tlv->high) & TE_EXT_MASK; | |
f8c06e2c | 807 | |
996c9314 LB |
808 | sbuf_push(buf, indent, "%s Min/Max Link Delay: %" PRIu32 " / %" PRIu32 |
809 | " (micro-sec)\n", | |
af8ac8f9 | 810 | A ? "Anomalous" : "Normal", low, high); |
f8c06e2c | 811 | |
d62a17ae | 812 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
813 | } |
814 | ||
af8ac8f9 CF |
815 | static u_char print_subtlv_delay_var(struct sbuf *buf, int indent, |
816 | struct te_subtlv_delay_var *tlv) | |
f8c06e2c | 817 | { |
d62a17ae | 818 | u_int32_t jitter; |
f8c06e2c | 819 | |
d62a17ae | 820 | jitter = (u_int32_t)ntohl(tlv->value) & TE_EXT_MASK; |
f8c06e2c | 821 | |
996c9314 LB |
822 | sbuf_push(buf, indent, "Delay Variation: %" PRIu32 " (micro-sec)\n", |
823 | jitter); | |
f8c06e2c | 824 | |
d62a17ae | 825 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
826 | } |
827 | ||
af8ac8f9 CF |
828 | static u_char print_subtlv_pkt_loss(struct sbuf *buf, int indent, |
829 | struct te_subtlv_pkt_loss *tlv) | |
f8c06e2c | 830 | { |
d62a17ae | 831 | u_int32_t loss; |
832 | u_int32_t A; | |
833 | float fval; | |
834 | ||
835 | loss = (u_int32_t)ntohl(tlv->value) & TE_EXT_MASK; | |
836 | fval = (float)(loss * LOSS_PRECISION); | |
837 | A = (u_int32_t)ntohl(tlv->value) & TE_EXT_ANORMAL; | |
838 | ||
af8ac8f9 CF |
839 | sbuf_push(buf, indent, "%s Link Packet Loss: %g (%%)\n", |
840 | A ? "Anomalous" : "Normal", fval); | |
d62a17ae | 841 | |
842 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); | |
f8c06e2c OD |
843 | } |
844 | ||
af8ac8f9 CF |
845 | static u_char print_subtlv_res_bw(struct sbuf *buf, int indent, |
846 | struct te_subtlv_res_bw *tlv) | |
f8c06e2c | 847 | { |
d62a17ae | 848 | float fval; |
f8c06e2c | 849 | |
d62a17ae | 850 | fval = ntohf(tlv->value); |
f8c06e2c | 851 | |
996c9314 LB |
852 | sbuf_push(buf, indent, |
853 | "Unidirectional Residual Bandwidth: %g (Bytes/sec)\n", fval); | |
f8c06e2c | 854 | |
d62a17ae | 855 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
856 | } |
857 | ||
af8ac8f9 CF |
858 | static u_char print_subtlv_ava_bw(struct sbuf *buf, int indent, |
859 | struct te_subtlv_ava_bw *tlv) | |
f8c06e2c | 860 | { |
d62a17ae | 861 | float fval; |
f8c06e2c | 862 | |
d62a17ae | 863 | fval = ntohf(tlv->value); |
f8c06e2c | 864 | |
996c9314 LB |
865 | sbuf_push(buf, indent, |
866 | "Unidirectional Available Bandwidth: %g (Bytes/sec)\n", fval); | |
f8c06e2c | 867 | |
d62a17ae | 868 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
869 | } |
870 | ||
af8ac8f9 CF |
871 | static u_char print_subtlv_use_bw(struct sbuf *buf, int indent, |
872 | struct te_subtlv_use_bw *tlv) | |
f8c06e2c | 873 | { |
d62a17ae | 874 | float fval; |
f8c06e2c | 875 | |
d62a17ae | 876 | fval = ntohf(tlv->value); |
f8c06e2c | 877 | |
996c9314 LB |
878 | sbuf_push(buf, indent, |
879 | "Unidirectional Utilized Bandwidth: %g (Bytes/sec)\n", fval); | |
f8c06e2c | 880 | |
d62a17ae | 881 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
882 | } |
883 | ||
af8ac8f9 CF |
884 | static u_char print_unknown_tlv(struct sbuf *buf, int indent, |
885 | struct subtlv_header *tlvh) | |
f8c06e2c | 886 | { |
d62a17ae | 887 | int i, rtn = 1; |
888 | u_char *v = (u_char *)tlvh; | |
889 | ||
af8ac8f9 CF |
890 | if (tlvh->length != 0) { |
891 | sbuf_push(buf, indent, | |
892 | "Unknown TLV: [type(%#.2x), length(%#.2x)]\n", | |
893 | tlvh->type, tlvh->length); | |
894 | sbuf_push(buf, indent + 2, "Dump: [00]"); | |
895 | rtn = 1; /* initialize end of line counter */ | |
896 | for (i = 0; i < tlvh->length; i++) { | |
897 | sbuf_push(buf, 0, " %#.2x", v[i]); | |
898 | if (rtn == 8) { | |
899 | sbuf_push(buf, 0, "\n"); | |
996c9314 | 900 | sbuf_push(buf, indent + 8, "[%.2x]", i + 1); |
af8ac8f9 CF |
901 | rtn = 1; |
902 | } else | |
903 | rtn++; | |
904 | } | |
905 | sbuf_push(buf, 0, "\n"); | |
d62a17ae | 906 | } else { |
af8ac8f9 CF |
907 | sbuf_push(buf, indent, |
908 | "Unknown TLV: [type(%#.2x), length(%#.2x)]\n", | |
909 | tlvh->type, tlvh->length); | |
d62a17ae | 910 | } |
911 | ||
912 | return SUBTLV_SIZE(tlvh); | |
f8c06e2c OD |
913 | } |
914 | ||
915 | /* Main Show function */ | |
996c9314 LB |
916 | void mpls_te_print_detail(struct sbuf *buf, int indent, uint8_t *subtlvs, |
917 | uint8_t subtlv_len) | |
f8c06e2c | 918 | { |
af8ac8f9 CF |
919 | struct subtlv_header *tlvh = (struct subtlv_header *)subtlvs; |
920 | uint16_t sum = 0; | |
d62a17ae | 921 | |
af8ac8f9 | 922 | for (; sum < subtlv_len; tlvh = SUBTLV_HDR_NEXT(tlvh)) { |
d62a17ae | 923 | switch (tlvh->type) { |
924 | case TE_SUBTLV_ADMIN_GRP: | |
996c9314 LB |
925 | sum += print_subtlv_admin_grp( |
926 | buf, indent, | |
af8ac8f9 | 927 | (struct te_subtlv_admin_grp *)tlvh); |
d62a17ae | 928 | break; |
929 | case TE_SUBTLV_LLRI: | |
af8ac8f9 | 930 | sum += print_subtlv_llri(buf, indent, |
996c9314 | 931 | (struct te_subtlv_llri *)tlvh); |
d62a17ae | 932 | break; |
933 | case TE_SUBTLV_LOCAL_IPADDR: | |
996c9314 LB |
934 | sum += print_subtlv_local_ipaddr( |
935 | buf, indent, | |
af8ac8f9 | 936 | (struct te_subtlv_local_ipaddr *)tlvh); |
d62a17ae | 937 | break; |
938 | case TE_SUBTLV_RMT_IPADDR: | |
996c9314 LB |
939 | sum += print_subtlv_rmt_ipaddr( |
940 | buf, indent, | |
af8ac8f9 | 941 | (struct te_subtlv_rmt_ipaddr *)tlvh); |
d62a17ae | 942 | break; |
943 | case TE_SUBTLV_MAX_BW: | |
996c9314 LB |
944 | sum += print_subtlv_max_bw( |
945 | buf, indent, (struct te_subtlv_max_bw *)tlvh); | |
d62a17ae | 946 | break; |
947 | case TE_SUBTLV_MAX_RSV_BW: | |
996c9314 LB |
948 | sum += print_subtlv_max_rsv_bw( |
949 | buf, indent, | |
af8ac8f9 | 950 | (struct te_subtlv_max_rsv_bw *)tlvh); |
d62a17ae | 951 | break; |
952 | case TE_SUBTLV_UNRSV_BW: | |
996c9314 LB |
953 | sum += print_subtlv_unrsv_bw( |
954 | buf, indent, (struct te_subtlv_unrsv_bw *)tlvh); | |
d62a17ae | 955 | break; |
956 | case TE_SUBTLV_TE_METRIC: | |
996c9314 LB |
957 | sum += print_subtlv_te_metric( |
958 | buf, indent, | |
af8ac8f9 | 959 | (struct te_subtlv_te_metric *)tlvh); |
d62a17ae | 960 | break; |
961 | case TE_SUBTLV_RAS: | |
af8ac8f9 | 962 | sum += print_subtlv_ras(buf, indent, |
996c9314 | 963 | (struct te_subtlv_ras *)tlvh); |
d62a17ae | 964 | break; |
965 | case TE_SUBTLV_RIP: | |
af8ac8f9 | 966 | sum += print_subtlv_rip(buf, indent, |
996c9314 | 967 | (struct te_subtlv_rip *)tlvh); |
d62a17ae | 968 | break; |
969 | case TE_SUBTLV_AV_DELAY: | |
996c9314 LB |
970 | sum += print_subtlv_av_delay( |
971 | buf, indent, (struct te_subtlv_av_delay *)tlvh); | |
d62a17ae | 972 | break; |
973 | case TE_SUBTLV_MM_DELAY: | |
996c9314 LB |
974 | sum += print_subtlv_mm_delay( |
975 | buf, indent, (struct te_subtlv_mm_delay *)tlvh); | |
d62a17ae | 976 | break; |
977 | case TE_SUBTLV_DELAY_VAR: | |
996c9314 LB |
978 | sum += print_subtlv_delay_var( |
979 | buf, indent, | |
af8ac8f9 | 980 | (struct te_subtlv_delay_var *)tlvh); |
d62a17ae | 981 | break; |
982 | case TE_SUBTLV_PKT_LOSS: | |
996c9314 LB |
983 | sum += print_subtlv_pkt_loss( |
984 | buf, indent, (struct te_subtlv_pkt_loss *)tlvh); | |
d62a17ae | 985 | break; |
986 | case TE_SUBTLV_RES_BW: | |
996c9314 LB |
987 | sum += print_subtlv_res_bw( |
988 | buf, indent, (struct te_subtlv_res_bw *)tlvh); | |
d62a17ae | 989 | break; |
990 | case TE_SUBTLV_AVA_BW: | |
996c9314 LB |
991 | sum += print_subtlv_ava_bw( |
992 | buf, indent, (struct te_subtlv_ava_bw *)tlvh); | |
d62a17ae | 993 | break; |
994 | case TE_SUBTLV_USE_BW: | |
996c9314 LB |
995 | sum += print_subtlv_use_bw( |
996 | buf, indent, (struct te_subtlv_use_bw *)tlvh); | |
d62a17ae | 997 | break; |
998 | default: | |
af8ac8f9 | 999 | sum += print_unknown_tlv(buf, indent, tlvh); |
d62a17ae | 1000 | break; |
1001 | } | |
1002 | } | |
1003 | return; | |
f8c06e2c OD |
1004 | } |
1005 | ||
1006 | /* Specific MPLS TE router parameters write function */ | |
d62a17ae | 1007 | void isis_mpls_te_config_write_router(struct vty *vty) |
f8c06e2c | 1008 | { |
d62a17ae | 1009 | if (IS_MPLS_TE(isisMplsTE)) { |
1010 | vty_out(vty, " mpls-te on\n"); | |
1011 | vty_out(vty, " mpls-te router-address %s\n", | |
1012 | inet_ntoa(isisMplsTE.router_id)); | |
1013 | } | |
1014 | ||
1015 | return; | |
f8c06e2c OD |
1016 | } |
1017 | ||
1018 | ||
1019 | /*------------------------------------------------------------------------* | |
1020 | * Followings are vty command functions. | |
1021 | *------------------------------------------------------------------------*/ | |
1022 | ||
1023 | DEFUN (isis_mpls_te_on, | |
1024 | isis_mpls_te_on_cmd, | |
1025 | "mpls-te on", | |
1026 | MPLS_TE_STR | |
1027 | "Enable MPLS-TE functionality\n") | |
1028 | { | |
d62a17ae | 1029 | struct listnode *node; |
1030 | struct isis_circuit *circuit; | |
1031 | ||
1032 | if (IS_MPLS_TE(isisMplsTE)) | |
1033 | return CMD_SUCCESS; | |
1034 | ||
1035 | if (IS_DEBUG_ISIS(DEBUG_TE)) | |
1036 | zlog_debug("ISIS MPLS-TE: OFF -> ON"); | |
1037 | ||
1038 | isisMplsTE.status = enable; | |
1039 | ||
1040 | /* | |
1041 | * Following code is intended to handle two cases; | |
1042 | * | |
1043 | * 1) MPLS-TE was disabled at startup time, but now become enabled. | |
1044 | * In this case, we must enable MPLS-TE Circuit regarding interface | |
1045 | * MPLS_TE flag | |
1046 | * 2) MPLS-TE was once enabled then disabled, and now enabled again. | |
1047 | */ | |
1048 | for (ALL_LIST_ELEMENTS_RO(isisMplsTE.cir_list, node, circuit)) { | |
1049 | if (circuit->mtc == NULL || IS_FLOOD_AS(circuit->mtc->type)) | |
1050 | continue; | |
1051 | ||
1052 | if ((circuit->mtc->status == disable) | |
1053 | && HAS_LINK_PARAMS(circuit->interface)) | |
1054 | circuit->mtc->status = enable; | |
1055 | else | |
1056 | continue; | |
1057 | ||
1058 | /* Reoriginate STD_TE & GMPLS circuits */ | |
1059 | if (circuit->area) | |
1060 | lsp_regenerate_schedule(circuit->area, circuit->is_type, | |
1061 | 0); | |
1062 | } | |
1063 | ||
1064 | return CMD_SUCCESS; | |
f8c06e2c OD |
1065 | } |
1066 | ||
1067 | DEFUN (no_isis_mpls_te_on, | |
1068 | no_isis_mpls_te_on_cmd, | |
1069 | "no mpls-te", | |
1070 | NO_STR | |
1071 | "Disable the MPLS-TE functionality\n") | |
1072 | { | |
d62a17ae | 1073 | struct listnode *node; |
1074 | struct isis_circuit *circuit; | |
f8c06e2c | 1075 | |
d62a17ae | 1076 | if (isisMplsTE.status == disable) |
1077 | return CMD_SUCCESS; | |
f8c06e2c | 1078 | |
d62a17ae | 1079 | if (IS_DEBUG_ISIS(DEBUG_TE)) |
1080 | zlog_debug("ISIS MPLS-TE: ON -> OFF"); | |
f8c06e2c | 1081 | |
d62a17ae | 1082 | isisMplsTE.status = disable; |
f8c06e2c | 1083 | |
d62a17ae | 1084 | /* Flush LSP if circuit engage */ |
1085 | for (ALL_LIST_ELEMENTS_RO(isisMplsTE.cir_list, node, circuit)) { | |
1086 | if (circuit->mtc == NULL || (circuit->mtc->status == disable)) | |
1087 | continue; | |
f8c06e2c | 1088 | |
d62a17ae | 1089 | /* disable MPLS_TE Circuit */ |
1090 | circuit->mtc->status = disable; | |
f8c06e2c | 1091 | |
d62a17ae | 1092 | /* Re-originate circuit without STD_TE & GMPLS parameters */ |
1093 | if (circuit->area) | |
1094 | lsp_regenerate_schedule(circuit->area, circuit->is_type, | |
1095 | 0); | |
1096 | } | |
f8c06e2c | 1097 | |
d62a17ae | 1098 | return CMD_SUCCESS; |
f8c06e2c OD |
1099 | } |
1100 | ||
1101 | DEFUN (isis_mpls_te_router_addr, | |
1102 | isis_mpls_te_router_addr_cmd, | |
1103 | "mpls-te router-address A.B.C.D", | |
1104 | MPLS_TE_STR | |
1105 | "Stable IP address of the advertising router\n" | |
1106 | "MPLS-TE router address in IPv4 address format\n") | |
1107 | { | |
d62a17ae | 1108 | int idx_ipv4 = 2; |
1109 | struct in_addr value; | |
1110 | struct listnode *node; | |
1111 | struct isis_area *area; | |
1112 | ||
1113 | if (!inet_aton(argv[idx_ipv4]->arg, &value)) { | |
1114 | vty_out(vty, "Please specify Router-Addr by A.B.C.D\n"); | |
1115 | return CMD_WARNING_CONFIG_FAILED; | |
1116 | } | |
1117 | ||
1118 | isisMplsTE.router_id.s_addr = value.s_addr; | |
1119 | ||
1120 | if (isisMplsTE.status == disable) | |
1121 | return CMD_SUCCESS; | |
1122 | ||
1123 | /* Update main Router ID in isis global structure */ | |
1124 | isis->router_id = value.s_addr; | |
1125 | /* And re-schedule LSP update */ | |
1126 | for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) | |
1127 | if (listcount(area->area_addrs) > 0) | |
1128 | lsp_regenerate_schedule(area, area->is_type, 0); | |
1129 | ||
1130 | return CMD_SUCCESS; | |
f8c06e2c OD |
1131 | } |
1132 | ||
1133 | DEFUN (isis_mpls_te_inter_as, | |
1134 | isis_mpls_te_inter_as_cmd, | |
6147e2c6 | 1135 | "mpls-te inter-as <level-1|level-1-2|level-2-only>", |
f8c06e2c OD |
1136 | MPLS_TE_STR |
1137 | "Configure MPLS-TE Inter-AS support\n" | |
1138 | "AREA native mode self originate INTER-AS LSP with L1 only flooding scope)\n" | |
1139 | "AREA native mode self originate INTER-AS LSP with L1 and L2 flooding scope)\n" | |
1140 | "AS native mode self originate INTER-AS LSP with L2 only flooding scope\n") | |
1141 | { | |
d62a17ae | 1142 | vty_out(vty, "Not yet supported\n"); |
1143 | return CMD_SUCCESS; | |
f8c06e2c OD |
1144 | } |
1145 | ||
1146 | DEFUN (no_isis_mpls_te_inter_as, | |
1147 | no_isis_mpls_te_inter_as_cmd, | |
1148 | "no mpls-te inter-as", | |
1149 | NO_STR | |
1150 | "Disable the MPLS-TE functionality\n" | |
1151 | "Disable MPLS-TE Inter-AS support\n") | |
1152 | { | |
1153 | ||
d62a17ae | 1154 | vty_out(vty, "Not yet supported\n"); |
1155 | return CMD_SUCCESS; | |
f8c06e2c OD |
1156 | } |
1157 | ||
1158 | DEFUN (show_isis_mpls_te_router, | |
1159 | show_isis_mpls_te_router_cmd, | |
1160 | "show isis mpls-te router", | |
1161 | SHOW_STR | |
1162 | ISIS_STR | |
1163 | MPLS_TE_STR | |
1164 | "Router information\n") | |
1165 | { | |
d62a17ae | 1166 | if (IS_MPLS_TE(isisMplsTE)) { |
1167 | vty_out(vty, "--- MPLS-TE router parameters ---\n"); | |
1168 | ||
1169 | if (ntohs(isisMplsTE.router_id.s_addr) != 0) | |
1170 | vty_out(vty, " Router-Address: %s\n", | |
1171 | inet_ntoa(isisMplsTE.router_id)); | |
1172 | else | |
1173 | vty_out(vty, " N/A\n"); | |
1174 | } else | |
1175 | vty_out(vty, " MPLS-TE is disable on this router\n"); | |
1176 | ||
1177 | return CMD_SUCCESS; | |
f8c06e2c OD |
1178 | } |
1179 | ||
d62a17ae | 1180 | static void show_mpls_te_sub(struct vty *vty, struct interface *ifp) |
f8c06e2c | 1181 | { |
d62a17ae | 1182 | struct mpls_te_circuit *mtc; |
af8ac8f9 CF |
1183 | struct sbuf buf; |
1184 | ||
1185 | sbuf_init(&buf, NULL, 0); | |
d62a17ae | 1186 | |
1187 | if ((IS_MPLS_TE(isisMplsTE)) | |
1188 | && ((mtc = lookup_mpls_params_by_ifp(ifp)) != NULL)) { | |
1189 | /* Continue only if interface is not passive or support Inter-AS | |
1190 | * TEv2 */ | |
1191 | if (mtc->status != enable) { | |
1192 | if (IS_INTER_AS(mtc->type)) { | |
1193 | vty_out(vty, | |
1194 | "-- Inter-AS TEv2 link parameters for %s --\n", | |
1195 | ifp->name); | |
1196 | } else { | |
1197 | /* MPLS-TE is not activate on this interface */ | |
1198 | /* or this interface is passive and Inter-AS | |
1199 | * TEv2 is not activate */ | |
1200 | vty_out(vty, | |
1201 | " %s: MPLS-TE is disabled on this interface\n", | |
1202 | ifp->name); | |
1203 | return; | |
1204 | } | |
1205 | } else { | |
1206 | vty_out(vty, "-- MPLS-TE link parameters for %s --\n", | |
1207 | ifp->name); | |
1208 | } | |
1209 | ||
af8ac8f9 CF |
1210 | sbuf_reset(&buf); |
1211 | print_subtlv_admin_grp(&buf, 4, &mtc->admin_grp); | |
d62a17ae | 1212 | |
1213 | if (SUBTLV_TYPE(mtc->local_ipaddr) != 0) | |
af8ac8f9 | 1214 | print_subtlv_local_ipaddr(&buf, 4, &mtc->local_ipaddr); |
d62a17ae | 1215 | if (SUBTLV_TYPE(mtc->rmt_ipaddr) != 0) |
af8ac8f9 | 1216 | print_subtlv_rmt_ipaddr(&buf, 4, &mtc->rmt_ipaddr); |
d62a17ae | 1217 | |
af8ac8f9 CF |
1218 | print_subtlv_max_bw(&buf, 4, &mtc->max_bw); |
1219 | print_subtlv_max_rsv_bw(&buf, 4, &mtc->max_rsv_bw); | |
1220 | print_subtlv_unrsv_bw(&buf, 4, &mtc->unrsv_bw); | |
1221 | print_subtlv_te_metric(&buf, 4, &mtc->te_metric); | |
d62a17ae | 1222 | |
1223 | if (IS_INTER_AS(mtc->type)) { | |
1224 | if (SUBTLV_TYPE(mtc->ras) != 0) | |
af8ac8f9 | 1225 | print_subtlv_ras(&buf, 4, &mtc->ras); |
d62a17ae | 1226 | if (SUBTLV_TYPE(mtc->rip) != 0) |
af8ac8f9 | 1227 | print_subtlv_rip(&buf, 4, &mtc->rip); |
d62a17ae | 1228 | } |
1229 | ||
af8ac8f9 CF |
1230 | print_subtlv_av_delay(&buf, 4, &mtc->av_delay); |
1231 | print_subtlv_mm_delay(&buf, 4, &mtc->mm_delay); | |
1232 | print_subtlv_delay_var(&buf, 4, &mtc->delay_var); | |
1233 | print_subtlv_pkt_loss(&buf, 4, &mtc->pkt_loss); | |
1234 | print_subtlv_res_bw(&buf, 4, &mtc->res_bw); | |
1235 | print_subtlv_ava_bw(&buf, 4, &mtc->ava_bw); | |
1236 | print_subtlv_use_bw(&buf, 4, &mtc->use_bw); | |
1237 | ||
1238 | vty_multiline(vty, "", "%s", sbuf_buf(&buf)); | |
d62a17ae | 1239 | vty_out(vty, "---------------\n\n"); |
1240 | } else { | |
1241 | vty_out(vty, " %s: MPLS-TE is disabled on this interface\n", | |
1242 | ifp->name); | |
1243 | } | |
1244 | ||
af8ac8f9 | 1245 | sbuf_free(&buf); |
d62a17ae | 1246 | return; |
f8c06e2c OD |
1247 | } |
1248 | ||
1249 | DEFUN (show_isis_mpls_te_interface, | |
1250 | show_isis_mpls_te_interface_cmd, | |
1251 | "show isis mpls-te interface [INTERFACE]", | |
1252 | SHOW_STR | |
1253 | ISIS_STR | |
1254 | MPLS_TE_STR | |
1255 | "Interface information\n" | |
1256 | "Interface name\n") | |
1257 | { | |
f4e14fdb | 1258 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
d62a17ae | 1259 | int idx_interface = 4; |
1260 | struct interface *ifp; | |
d62a17ae | 1261 | |
1262 | /* Show All Interfaces. */ | |
1263 | if (argc == 4) { | |
451fda4f | 1264 | FOR_ALL_INTERFACES (vrf, ifp) |
d62a17ae | 1265 | show_mpls_te_sub(vty, ifp); |
1266 | } | |
1267 | /* Interface name is specified. */ | |
1268 | else { | |
1269 | if ((ifp = if_lookup_by_name(argv[idx_interface]->arg, | |
1270 | VRF_DEFAULT)) | |
1271 | == NULL) | |
1272 | vty_out(vty, "No such interface name\n"); | |
1273 | else | |
1274 | show_mpls_te_sub(vty, ifp); | |
1275 | } | |
1276 | ||
1277 | return CMD_SUCCESS; | |
f8c06e2c OD |
1278 | } |
1279 | ||
1280 | /* Initialize MPLS_TE */ | |
d62a17ae | 1281 | void isis_mpls_te_init(void) |
f8c06e2c OD |
1282 | { |
1283 | ||
d62a17ae | 1284 | zlog_debug("ISIS MPLS-TE: Initialize"); |
f8c06e2c | 1285 | |
d62a17ae | 1286 | /* Initialize MPLS_TE structure */ |
1287 | isisMplsTE.status = disable; | |
1288 | isisMplsTE.level = 0; | |
1289 | isisMplsTE.inter_as = off; | |
1290 | isisMplsTE.interas_areaid.s_addr = 0; | |
1291 | isisMplsTE.cir_list = list_new(); | |
1292 | isisMplsTE.router_id.s_addr = 0; | |
f8c06e2c | 1293 | |
d62a17ae | 1294 | /* Register new VTY commands */ |
1295 | install_element(VIEW_NODE, &show_isis_mpls_te_router_cmd); | |
1296 | install_element(VIEW_NODE, &show_isis_mpls_te_interface_cmd); | |
f8c06e2c | 1297 | |
d62a17ae | 1298 | install_element(ISIS_NODE, &isis_mpls_te_on_cmd); |
1299 | install_element(ISIS_NODE, &no_isis_mpls_te_on_cmd); | |
1300 | install_element(ISIS_NODE, &isis_mpls_te_router_addr_cmd); | |
1301 | install_element(ISIS_NODE, &isis_mpls_te_inter_as_cmd); | |
1302 | install_element(ISIS_NODE, &no_isis_mpls_te_inter_as_cmd); | |
f8c06e2c | 1303 | |
d62a17ae | 1304 | return; |
f8c06e2c | 1305 | } |