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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 | 45 | |
f8c06e2c OD |
46 | #include "isisd/isis_constants.h" |
47 | #include "isisd/isis_common.h" | |
48 | #include "isisd/isis_flags.h" | |
49 | #include "isisd/isis_circuit.h" | |
50 | #include "isisd/isisd.h" | |
f8c06e2c OD |
51 | #include "isisd/isis_lsp.h" |
52 | #include "isisd/isis_pdu.h" | |
53 | #include "isisd/isis_dynhn.h" | |
54 | #include "isisd/isis_misc.h" | |
55 | #include "isisd/isis_csm.h" | |
56 | #include "isisd/isis_adjacency.h" | |
57 | #include "isisd/isis_spf.h" | |
58 | #include "isisd/isis_te.h" | |
59 | ||
d62a17ae | 60 | const char *mode2text[] = {"Disable", "Area", "AS", "Emulate"}; |
f8c06e2c OD |
61 | |
62 | /*------------------------------------------------------------------------* | |
63 | * Followings are control functions for MPLS-TE parameters management. | |
64 | *------------------------------------------------------------------------*/ | |
65 | ||
f8c06e2c | 66 | /* Create new MPLS TE Circuit context */ |
4d762f26 | 67 | struct mpls_te_circuit *mpls_te_circuit_new(void) |
f8c06e2c | 68 | { |
d62a17ae | 69 | struct mpls_te_circuit *mtc; |
f8c06e2c | 70 | |
d62a17ae | 71 | zlog_debug("ISIS MPLS-TE: Create new MPLS TE Circuit context"); |
f8c06e2c | 72 | |
d62a17ae | 73 | mtc = XCALLOC(MTYPE_ISIS_MPLS_TE, sizeof(struct mpls_te_circuit)); |
f8c06e2c | 74 | |
d62a17ae | 75 | mtc->status = disable; |
76 | mtc->type = STD_TE; | |
77 | mtc->length = 0; | |
f8c06e2c | 78 | |
d62a17ae | 79 | return mtc; |
f8c06e2c OD |
80 | } |
81 | ||
d62a17ae | 82 | /* Copy SUB TLVs parameters into a buffer - No space verification are performed |
83 | */ | |
f8c06e2c | 84 | /* Caller must verify before that there is enough free space in the buffer */ |
af8ac8f9 | 85 | uint8_t add_te_subtlvs(uint8_t *buf, struct mpls_te_circuit *mtc) |
f8c06e2c | 86 | { |
af8ac8f9 | 87 | uint8_t size, *tlvs = buf; |
d62a17ae | 88 | |
89 | zlog_debug("ISIS MPLS-TE: Add TE Sub TLVs to buffer"); | |
90 | ||
91 | if (mtc == NULL) { | |
92 | zlog_debug( | |
93 | "ISIS MPLS-TE: Abort! No MPLS TE Circuit available has been specified"); | |
94 | return 0; | |
95 | } | |
96 | ||
97 | /* Create buffer if not provided */ | |
98 | if (buf == NULL) { | |
99 | zlog_debug("ISIS MPLS-TE: Abort! No Buffer has been specified"); | |
100 | return 0; | |
101 | } | |
102 | ||
103 | /* TE_SUBTLV_ADMIN_GRP */ | |
104 | if (SUBTLV_TYPE(mtc->admin_grp) != 0) { | |
105 | size = SUBTLV_SIZE(&(mtc->admin_grp.header)); | |
106 | memcpy(tlvs, &(mtc->admin_grp), size); | |
107 | tlvs += size; | |
108 | } | |
109 | ||
110 | /* TE_SUBTLV_LLRI */ | |
111 | if (SUBTLV_TYPE(mtc->llri) != 0) { | |
112 | size = SUBTLV_SIZE(&(mtc->llri.header)); | |
113 | memcpy(tlvs, &(mtc->llri), size); | |
114 | tlvs += size; | |
115 | } | |
116 | ||
117 | /* TE_SUBTLV_LCLIF_IPADDR */ | |
118 | if (SUBTLV_TYPE(mtc->local_ipaddr) != 0) { | |
119 | size = SUBTLV_SIZE(&(mtc->local_ipaddr.header)); | |
120 | memcpy(tlvs, &(mtc->local_ipaddr), size); | |
121 | tlvs += size; | |
122 | } | |
123 | ||
124 | /* TE_SUBTLV_RMTIF_IPADDR */ | |
125 | if (SUBTLV_TYPE(mtc->rmt_ipaddr) != 0) { | |
126 | size = SUBTLV_SIZE(&(mtc->rmt_ipaddr.header)); | |
127 | memcpy(tlvs, &(mtc->rmt_ipaddr), size); | |
128 | tlvs += size; | |
129 | } | |
130 | ||
131 | /* TE_SUBTLV_MAX_BW */ | |
132 | if (SUBTLV_TYPE(mtc->max_bw) != 0) { | |
133 | size = SUBTLV_SIZE(&(mtc->max_bw.header)); | |
134 | memcpy(tlvs, &(mtc->max_bw), size); | |
135 | tlvs += size; | |
136 | } | |
137 | ||
138 | /* TE_SUBTLV_MAX_RSV_BW */ | |
139 | if (SUBTLV_TYPE(mtc->max_rsv_bw) != 0) { | |
140 | size = SUBTLV_SIZE(&(mtc->max_rsv_bw.header)); | |
141 | memcpy(tlvs, &(mtc->max_rsv_bw), size); | |
142 | tlvs += size; | |
143 | } | |
144 | ||
145 | /* TE_SUBTLV_UNRSV_BW */ | |
146 | if (SUBTLV_TYPE(mtc->unrsv_bw) != 0) { | |
147 | size = SUBTLV_SIZE(&(mtc->unrsv_bw.header)); | |
148 | memcpy(tlvs, &(mtc->unrsv_bw), size); | |
149 | tlvs += size; | |
150 | } | |
151 | ||
152 | /* TE_SUBTLV_TE_METRIC */ | |
153 | if (SUBTLV_TYPE(mtc->te_metric) != 0) { | |
154 | size = SUBTLV_SIZE(&(mtc->te_metric.header)); | |
155 | memcpy(tlvs, &(mtc->te_metric), size); | |
156 | tlvs += size; | |
157 | } | |
158 | ||
159 | /* TE_SUBTLV_AV_DELAY */ | |
160 | if (SUBTLV_TYPE(mtc->av_delay) != 0) { | |
161 | size = SUBTLV_SIZE(&(mtc->av_delay.header)); | |
162 | memcpy(tlvs, &(mtc->av_delay), size); | |
163 | tlvs += size; | |
164 | } | |
165 | ||
166 | /* TE_SUBTLV_MM_DELAY */ | |
167 | if (SUBTLV_TYPE(mtc->mm_delay) != 0) { | |
168 | size = SUBTLV_SIZE(&(mtc->mm_delay.header)); | |
169 | memcpy(tlvs, &(mtc->mm_delay), size); | |
170 | tlvs += size; | |
171 | } | |
172 | ||
173 | /* TE_SUBTLV_DELAY_VAR */ | |
174 | if (SUBTLV_TYPE(mtc->delay_var) != 0) { | |
175 | size = SUBTLV_SIZE(&(mtc->delay_var.header)); | |
176 | memcpy(tlvs, &(mtc->delay_var), size); | |
177 | tlvs += size; | |
178 | } | |
179 | ||
180 | /* TE_SUBTLV_PKT_LOSS */ | |
181 | if (SUBTLV_TYPE(mtc->pkt_loss) != 0) { | |
182 | size = SUBTLV_SIZE(&(mtc->pkt_loss.header)); | |
183 | memcpy(tlvs, &(mtc->pkt_loss), size); | |
184 | tlvs += size; | |
185 | } | |
186 | ||
187 | /* TE_SUBTLV_RES_BW */ | |
188 | if (SUBTLV_TYPE(mtc->res_bw) != 0) { | |
189 | size = SUBTLV_SIZE(&(mtc->res_bw.header)); | |
190 | memcpy(tlvs, &(mtc->res_bw), size); | |
191 | tlvs += size; | |
192 | } | |
193 | ||
194 | /* TE_SUBTLV_AVA_BW */ | |
195 | if (SUBTLV_TYPE(mtc->ava_bw) != 0) { | |
196 | size = SUBTLV_SIZE(&(mtc->ava_bw.header)); | |
197 | memcpy(tlvs, &(mtc->ava_bw), size); | |
198 | tlvs += size; | |
199 | } | |
200 | ||
201 | /* TE_SUBTLV_USE_BW */ | |
202 | if (SUBTLV_TYPE(mtc->use_bw) != 0) { | |
203 | size = SUBTLV_SIZE(&(mtc->use_bw.header)); | |
204 | memcpy(tlvs, &(mtc->use_bw), size); | |
205 | tlvs += size; | |
206 | } | |
207 | ||
9c5e2b4f VJ |
208 | /* Add before this line any other parsing of TLV */ |
209 | (void)tlvs; | |
210 | ||
d62a17ae | 211 | /* Update SubTLVs length */ |
212 | mtc->length = subtlvs_len(mtc); | |
213 | ||
214 | zlog_debug("ISIS MPLS-TE: Add %d bytes length SubTLVs", mtc->length); | |
215 | ||
216 | return mtc->length; | |
f8c06e2c OD |
217 | } |
218 | ||
219 | /* Compute total Sub-TLVs size */ | |
af8ac8f9 | 220 | uint8_t subtlvs_len(struct mpls_te_circuit *mtc) |
f8c06e2c | 221 | { |
d62a17ae | 222 | int length = 0; |
f8c06e2c | 223 | |
d62a17ae | 224 | /* Sanity Check */ |
225 | if (mtc == NULL) | |
226 | return 0; | |
f8c06e2c | 227 | |
d62a17ae | 228 | /* TE_SUBTLV_ADMIN_GRP */ |
229 | if (SUBTLV_TYPE(mtc->admin_grp) != 0) | |
230 | length += SUBTLV_SIZE(&(mtc->admin_grp.header)); | |
f8c06e2c | 231 | |
d62a17ae | 232 | /* TE_SUBTLV_LLRI */ |
233 | if (SUBTLV_TYPE(mtc->llri) != 0) | |
234 | length += SUBTLV_SIZE(&mtc->llri.header); | |
f8c06e2c | 235 | |
d62a17ae | 236 | /* TE_SUBTLV_LCLIF_IPADDR */ |
237 | if (SUBTLV_TYPE(mtc->local_ipaddr) != 0) | |
238 | length += SUBTLV_SIZE(&mtc->local_ipaddr.header); | |
f8c06e2c | 239 | |
d62a17ae | 240 | /* TE_SUBTLV_RMTIF_IPADDR */ |
241 | if (SUBTLV_TYPE(mtc->rmt_ipaddr) != 0) | |
242 | length += SUBTLV_SIZE(&mtc->rmt_ipaddr.header); | |
f8c06e2c | 243 | |
d62a17ae | 244 | /* TE_SUBTLV_MAX_BW */ |
245 | if (SUBTLV_TYPE(mtc->max_bw) != 0) | |
246 | length += SUBTLV_SIZE(&mtc->max_bw.header); | |
f8c06e2c | 247 | |
d62a17ae | 248 | /* TE_SUBTLV_MAX_RSV_BW */ |
249 | if (SUBTLV_TYPE(mtc->max_rsv_bw) != 0) | |
250 | length += SUBTLV_SIZE(&mtc->max_rsv_bw.header); | |
f8c06e2c | 251 | |
d62a17ae | 252 | /* TE_SUBTLV_UNRSV_BW */ |
253 | if (SUBTLV_TYPE(mtc->unrsv_bw) != 0) | |
254 | length += SUBTLV_SIZE(&mtc->unrsv_bw.header); | |
f8c06e2c | 255 | |
d62a17ae | 256 | /* TE_SUBTLV_TE_METRIC */ |
257 | if (SUBTLV_TYPE(mtc->te_metric) != 0) | |
258 | length += SUBTLV_SIZE(&mtc->te_metric.header); | |
f8c06e2c | 259 | |
d62a17ae | 260 | /* TE_SUBTLV_AV_DELAY */ |
261 | if (SUBTLV_TYPE(mtc->av_delay) != 0) | |
262 | length += SUBTLV_SIZE(&mtc->av_delay.header); | |
f8c06e2c | 263 | |
d62a17ae | 264 | /* TE_SUBTLV_MM_DELAY */ |
265 | if (SUBTLV_TYPE(mtc->mm_delay) != 0) | |
266 | length += SUBTLV_SIZE(&mtc->mm_delay.header); | |
f8c06e2c | 267 | |
d62a17ae | 268 | /* TE_SUBTLV_DELAY_VAR */ |
269 | if (SUBTLV_TYPE(mtc->delay_var) != 0) | |
270 | length += SUBTLV_SIZE(&mtc->delay_var.header); | |
f8c06e2c | 271 | |
d62a17ae | 272 | /* TE_SUBTLV_PKT_LOSS */ |
273 | if (SUBTLV_TYPE(mtc->pkt_loss) != 0) | |
274 | length += SUBTLV_SIZE(&mtc->pkt_loss.header); | |
f8c06e2c | 275 | |
d62a17ae | 276 | /* TE_SUBTLV_RES_BW */ |
277 | if (SUBTLV_TYPE(mtc->res_bw) != 0) | |
278 | length += SUBTLV_SIZE(&mtc->res_bw.header); | |
f8c06e2c | 279 | |
d62a17ae | 280 | /* TE_SUBTLV_AVA_BW */ |
281 | if (SUBTLV_TYPE(mtc->ava_bw) != 0) | |
282 | length += SUBTLV_SIZE(&mtc->ava_bw.header); | |
f8c06e2c | 283 | |
d62a17ae | 284 | /* TE_SUBTLV_USE_BW */ |
285 | if (SUBTLV_TYPE(mtc->use_bw) != 0) | |
286 | length += SUBTLV_SIZE(&mtc->use_bw.header); | |
f8c06e2c | 287 | |
d62a17ae | 288 | /* Check that length is lower than the MAXIMUM SUBTLV size i.e. 256 */ |
289 | if (length > MAX_SUBTLV_SIZE) { | |
290 | mtc->length = 0; | |
291 | return 0; | |
292 | } | |
f8c06e2c | 293 | |
af8ac8f9 | 294 | mtc->length = (uint8_t)length; |
f8c06e2c | 295 | |
d62a17ae | 296 | return mtc->length; |
f8c06e2c OD |
297 | } |
298 | ||
299 | /* Following are various functions to set MPLS TE parameters */ | |
d62a17ae | 300 | static void set_circuitparams_admin_grp(struct mpls_te_circuit *mtc, |
d7c0a89a | 301 | uint32_t admingrp) |
f8c06e2c | 302 | { |
d62a17ae | 303 | SUBTLV_TYPE(mtc->admin_grp) = TE_SUBTLV_ADMIN_GRP; |
304 | SUBTLV_LEN(mtc->admin_grp) = SUBTLV_DEF_SIZE; | |
305 | mtc->admin_grp.value = htonl(admingrp); | |
306 | return; | |
f8c06e2c OD |
307 | } |
308 | ||
d62a17ae | 309 | static void __attribute__((unused)) |
d7c0a89a QY |
310 | set_circuitparams_llri(struct mpls_te_circuit *mtc, uint32_t local, |
311 | uint32_t remote) | |
f8c06e2c | 312 | { |
d62a17ae | 313 | SUBTLV_TYPE(mtc->llri) = TE_SUBTLV_LLRI; |
314 | SUBTLV_LEN(mtc->llri) = TE_SUBTLV_LLRI_SIZE; | |
315 | mtc->llri.local = htonl(local); | |
316 | mtc->llri.remote = htonl(remote); | |
f8c06e2c OD |
317 | } |
318 | ||
d62a17ae | 319 | void set_circuitparams_local_ipaddr(struct mpls_te_circuit *mtc, |
320 | struct in_addr addr) | |
f8c06e2c OD |
321 | { |
322 | ||
d62a17ae | 323 | SUBTLV_TYPE(mtc->local_ipaddr) = TE_SUBTLV_LOCAL_IPADDR; |
324 | SUBTLV_LEN(mtc->local_ipaddr) = SUBTLV_DEF_SIZE; | |
325 | mtc->local_ipaddr.value.s_addr = addr.s_addr; | |
326 | return; | |
f8c06e2c OD |
327 | } |
328 | ||
d62a17ae | 329 | void set_circuitparams_rmt_ipaddr(struct mpls_te_circuit *mtc, |
330 | struct in_addr addr) | |
f8c06e2c OD |
331 | { |
332 | ||
d62a17ae | 333 | SUBTLV_TYPE(mtc->rmt_ipaddr) = TE_SUBTLV_RMT_IPADDR; |
334 | SUBTLV_LEN(mtc->rmt_ipaddr) = SUBTLV_DEF_SIZE; | |
335 | mtc->rmt_ipaddr.value.s_addr = addr.s_addr; | |
336 | return; | |
f8c06e2c OD |
337 | } |
338 | ||
d62a17ae | 339 | static void set_circuitparams_max_bw(struct mpls_te_circuit *mtc, float fp) |
f8c06e2c | 340 | { |
d62a17ae | 341 | SUBTLV_TYPE(mtc->max_bw) = TE_SUBTLV_MAX_BW; |
342 | SUBTLV_LEN(mtc->max_bw) = SUBTLV_DEF_SIZE; | |
343 | mtc->max_bw.value = htonf(fp); | |
344 | return; | |
f8c06e2c OD |
345 | } |
346 | ||
d62a17ae | 347 | static void set_circuitparams_max_rsv_bw(struct mpls_te_circuit *mtc, float fp) |
f8c06e2c | 348 | { |
d62a17ae | 349 | SUBTLV_TYPE(mtc->max_rsv_bw) = TE_SUBTLV_MAX_RSV_BW; |
350 | SUBTLV_LEN(mtc->max_rsv_bw) = SUBTLV_DEF_SIZE; | |
351 | mtc->max_rsv_bw.value = htonf(fp); | |
352 | return; | |
f8c06e2c OD |
353 | } |
354 | ||
d62a17ae | 355 | static void set_circuitparams_unrsv_bw(struct mpls_te_circuit *mtc, |
356 | int priority, float fp) | |
f8c06e2c | 357 | { |
d62a17ae | 358 | /* Note that TLV-length field is the size of array. */ |
359 | SUBTLV_TYPE(mtc->unrsv_bw) = TE_SUBTLV_UNRSV_BW; | |
360 | SUBTLV_LEN(mtc->unrsv_bw) = TE_SUBTLV_UNRSV_SIZE; | |
361 | mtc->unrsv_bw.value[priority] = htonf(fp); | |
362 | return; | |
f8c06e2c OD |
363 | } |
364 | ||
d62a17ae | 365 | static void set_circuitparams_te_metric(struct mpls_te_circuit *mtc, |
d7c0a89a | 366 | uint32_t te_metric) |
f8c06e2c | 367 | { |
d62a17ae | 368 | SUBTLV_TYPE(mtc->te_metric) = TE_SUBTLV_TE_METRIC; |
369 | SUBTLV_LEN(mtc->te_metric) = TE_SUBTLV_TE_METRIC_SIZE; | |
370 | mtc->te_metric.value[0] = (te_metric >> 16) & 0xFF; | |
371 | mtc->te_metric.value[1] = (te_metric >> 8) & 0xFF; | |
372 | mtc->te_metric.value[2] = te_metric & 0xFF; | |
373 | return; | |
f8c06e2c OD |
374 | } |
375 | ||
d62a17ae | 376 | static void set_circuitparams_inter_as(struct mpls_te_circuit *mtc, |
d7c0a89a | 377 | struct in_addr addr, uint32_t as) |
f8c06e2c OD |
378 | { |
379 | ||
d62a17ae | 380 | /* Set the Remote ASBR IP address and then the associated AS number */ |
381 | SUBTLV_TYPE(mtc->rip) = TE_SUBTLV_RIP; | |
382 | SUBTLV_LEN(mtc->rip) = SUBTLV_DEF_SIZE; | |
383 | mtc->rip.value.s_addr = addr.s_addr; | |
f8c06e2c | 384 | |
d62a17ae | 385 | SUBTLV_TYPE(mtc->ras) = TE_SUBTLV_RAS; |
386 | SUBTLV_LEN(mtc->ras) = SUBTLV_DEF_SIZE; | |
387 | mtc->ras.value = htonl(as); | |
f8c06e2c OD |
388 | } |
389 | ||
d62a17ae | 390 | static void unset_circuitparams_inter_as(struct mpls_te_circuit *mtc) |
f8c06e2c OD |
391 | { |
392 | ||
d62a17ae | 393 | /* Reset the Remote ASBR IP address and then the associated AS number */ |
394 | SUBTLV_TYPE(mtc->rip) = 0; | |
395 | SUBTLV_LEN(mtc->rip) = 0; | |
396 | mtc->rip.value.s_addr = 0; | |
f8c06e2c | 397 | |
d62a17ae | 398 | SUBTLV_TYPE(mtc->ras) = 0; |
399 | SUBTLV_LEN(mtc->ras) = 0; | |
400 | mtc->ras.value = 0; | |
f8c06e2c OD |
401 | } |
402 | ||
d62a17ae | 403 | static void set_circuitparams_av_delay(struct mpls_te_circuit *mtc, |
d7c0a89a | 404 | uint32_t delay, uint8_t anormal) |
f8c06e2c | 405 | { |
d7c0a89a | 406 | uint32_t tmp; |
d62a17ae | 407 | /* Note that TLV-length field is the size of array. */ |
408 | SUBTLV_TYPE(mtc->av_delay) = TE_SUBTLV_AV_DELAY; | |
409 | SUBTLV_LEN(mtc->av_delay) = SUBTLV_DEF_SIZE; | |
410 | tmp = delay & TE_EXT_MASK; | |
411 | if (anormal) | |
412 | tmp |= TE_EXT_ANORMAL; | |
413 | mtc->av_delay.value = htonl(tmp); | |
414 | return; | |
f8c06e2c OD |
415 | } |
416 | ||
d62a17ae | 417 | static void set_circuitparams_mm_delay(struct mpls_te_circuit *mtc, |
d7c0a89a QY |
418 | uint32_t low, uint32_t high, |
419 | uint8_t anormal) | |
f8c06e2c | 420 | { |
d7c0a89a | 421 | uint32_t tmp; |
d62a17ae | 422 | /* Note that TLV-length field is the size of array. */ |
423 | SUBTLV_TYPE(mtc->mm_delay) = TE_SUBTLV_MM_DELAY; | |
424 | SUBTLV_LEN(mtc->mm_delay) = TE_SUBTLV_MM_DELAY_SIZE; | |
425 | tmp = low & TE_EXT_MASK; | |
426 | if (anormal) | |
427 | tmp |= TE_EXT_ANORMAL; | |
428 | mtc->mm_delay.low = htonl(tmp); | |
429 | mtc->mm_delay.high = htonl(high); | |
430 | return; | |
f8c06e2c OD |
431 | } |
432 | ||
d62a17ae | 433 | static void set_circuitparams_delay_var(struct mpls_te_circuit *mtc, |
d7c0a89a | 434 | uint32_t jitter) |
f8c06e2c | 435 | { |
d62a17ae | 436 | /* Note that TLV-length field is the size of array. */ |
437 | SUBTLV_TYPE(mtc->delay_var) = TE_SUBTLV_DELAY_VAR; | |
438 | SUBTLV_LEN(mtc->delay_var) = SUBTLV_DEF_SIZE; | |
439 | mtc->delay_var.value = htonl(jitter & TE_EXT_MASK); | |
440 | return; | |
f8c06e2c OD |
441 | } |
442 | ||
d62a17ae | 443 | static void set_circuitparams_pkt_loss(struct mpls_te_circuit *mtc, |
d7c0a89a | 444 | uint32_t loss, uint8_t anormal) |
f8c06e2c | 445 | { |
d7c0a89a | 446 | uint32_t tmp; |
d62a17ae | 447 | /* Note that TLV-length field is the size of array. */ |
448 | SUBTLV_TYPE(mtc->pkt_loss) = TE_SUBTLV_PKT_LOSS; | |
449 | SUBTLV_LEN(mtc->pkt_loss) = SUBTLV_DEF_SIZE; | |
450 | tmp = loss & TE_EXT_MASK; | |
451 | if (anormal) | |
452 | tmp |= TE_EXT_ANORMAL; | |
453 | mtc->pkt_loss.value = htonl(tmp); | |
454 | return; | |
f8c06e2c OD |
455 | } |
456 | ||
d62a17ae | 457 | static void set_circuitparams_res_bw(struct mpls_te_circuit *mtc, float fp) |
f8c06e2c | 458 | { |
d62a17ae | 459 | /* Note that TLV-length field is the size of array. */ |
460 | SUBTLV_TYPE(mtc->res_bw) = TE_SUBTLV_RES_BW; | |
461 | SUBTLV_LEN(mtc->res_bw) = SUBTLV_DEF_SIZE; | |
462 | mtc->res_bw.value = htonf(fp); | |
463 | return; | |
f8c06e2c OD |
464 | } |
465 | ||
d62a17ae | 466 | static void set_circuitparams_ava_bw(struct mpls_te_circuit *mtc, float fp) |
f8c06e2c | 467 | { |
d62a17ae | 468 | /* Note that TLV-length field is the size of array. */ |
469 | SUBTLV_TYPE(mtc->ava_bw) = TE_SUBTLV_AVA_BW; | |
470 | SUBTLV_LEN(mtc->ava_bw) = SUBTLV_DEF_SIZE; | |
471 | mtc->ava_bw.value = htonf(fp); | |
472 | return; | |
f8c06e2c OD |
473 | } |
474 | ||
d62a17ae | 475 | static void set_circuitparams_use_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->use_bw) = TE_SUBTLV_USE_BW; | |
479 | SUBTLV_LEN(mtc->use_bw) = SUBTLV_DEF_SIZE; | |
480 | mtc->use_bw.value = htonf(fp); | |
481 | return; | |
f8c06e2c OD |
482 | } |
483 | ||
484 | /* Main initialization / update function of the MPLS TE Circuit context */ | |
485 | /* Call when interface TE Link parameters are modified */ | |
d62a17ae | 486 | void isis_link_params_update(struct isis_circuit *circuit, |
487 | struct interface *ifp) | |
f8c06e2c | 488 | { |
d62a17ae | 489 | int i; |
490 | struct prefix_ipv4 *addr; | |
491 | struct mpls_te_circuit *mtc; | |
492 | ||
493 | /* Sanity Check */ | |
494 | if ((circuit == NULL) || (ifp == NULL)) | |
495 | return; | |
496 | ||
497 | zlog_info("MPLS-TE: Initialize circuit parameters for interface %s", | |
498 | ifp->name); | |
499 | ||
500 | /* Check if MPLS TE Circuit context has not been already created */ | |
501 | if (circuit->mtc == NULL) | |
502 | circuit->mtc = mpls_te_circuit_new(); | |
503 | ||
504 | mtc = circuit->mtc; | |
505 | ||
506 | /* Fulfil MTC TLV from ifp TE Link parameters */ | |
507 | if (HAS_LINK_PARAMS(ifp)) { | |
508 | mtc->status = enable; | |
509 | /* STD_TE metrics */ | |
510 | if (IS_PARAM_SET(ifp->link_params, LP_ADM_GRP)) | |
511 | set_circuitparams_admin_grp( | |
512 | mtc, ifp->link_params->admin_grp); | |
513 | else | |
514 | SUBTLV_TYPE(mtc->admin_grp) = 0; | |
515 | ||
516 | /* If not already set, register local IP addr from ip_addr list | |
517 | * if it exists */ | |
518 | if (SUBTLV_TYPE(mtc->local_ipaddr) == 0) { | |
519 | if (circuit->ip_addrs != NULL | |
520 | && listcount(circuit->ip_addrs) != 0) { | |
521 | addr = (struct prefix_ipv4 *)listgetdata( | |
522 | (struct listnode *)listhead( | |
523 | circuit->ip_addrs)); | |
524 | set_circuitparams_local_ipaddr(mtc, | |
525 | addr->prefix); | |
526 | } | |
527 | } | |
528 | ||
529 | /* If not already set, try to determine Remote IP addr if | |
530 | * circuit is P2P */ | |
531 | if ((SUBTLV_TYPE(mtc->rmt_ipaddr) == 0) | |
532 | && (circuit->circ_type == CIRCUIT_T_P2P)) { | |
533 | struct isis_adjacency *adj = circuit->u.p2p.neighbor; | |
44b89511 CF |
534 | if (adj && adj->adj_state == ISIS_ADJ_UP |
535 | && adj->ipv4_address_count) { | |
0c1bd758 CF |
536 | set_circuitparams_rmt_ipaddr( |
537 | mtc, adj->ipv4_addresses[0]); | |
d62a17ae | 538 | } |
539 | } | |
540 | ||
541 | if (IS_PARAM_SET(ifp->link_params, LP_MAX_BW)) | |
542 | set_circuitparams_max_bw(mtc, ifp->link_params->max_bw); | |
543 | else | |
544 | SUBTLV_TYPE(mtc->max_bw) = 0; | |
545 | ||
546 | if (IS_PARAM_SET(ifp->link_params, LP_MAX_RSV_BW)) | |
547 | set_circuitparams_max_rsv_bw( | |
548 | mtc, ifp->link_params->max_rsv_bw); | |
549 | else | |
550 | SUBTLV_TYPE(mtc->max_rsv_bw) = 0; | |
551 | ||
552 | if (IS_PARAM_SET(ifp->link_params, LP_UNRSV_BW)) | |
553 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
554 | set_circuitparams_unrsv_bw( | |
555 | mtc, i, ifp->link_params->unrsv_bw[i]); | |
556 | else | |
557 | SUBTLV_TYPE(mtc->unrsv_bw) = 0; | |
558 | ||
559 | if (IS_PARAM_SET(ifp->link_params, LP_TE_METRIC)) | |
560 | set_circuitparams_te_metric( | |
561 | mtc, ifp->link_params->te_metric); | |
562 | else | |
563 | SUBTLV_TYPE(mtc->te_metric) = 0; | |
564 | ||
565 | /* TE metric Extensions */ | |
566 | if (IS_PARAM_SET(ifp->link_params, LP_DELAY)) | |
567 | set_circuitparams_av_delay( | |
568 | mtc, ifp->link_params->av_delay, 0); | |
569 | else | |
570 | SUBTLV_TYPE(mtc->av_delay) = 0; | |
571 | ||
572 | if (IS_PARAM_SET(ifp->link_params, LP_MM_DELAY)) | |
573 | set_circuitparams_mm_delay( | |
574 | mtc, ifp->link_params->min_delay, | |
575 | ifp->link_params->max_delay, 0); | |
576 | else | |
577 | SUBTLV_TYPE(mtc->mm_delay) = 0; | |
578 | ||
579 | if (IS_PARAM_SET(ifp->link_params, LP_DELAY_VAR)) | |
580 | set_circuitparams_delay_var( | |
581 | mtc, ifp->link_params->delay_var); | |
582 | else | |
583 | SUBTLV_TYPE(mtc->delay_var) = 0; | |
584 | ||
585 | if (IS_PARAM_SET(ifp->link_params, LP_PKT_LOSS)) | |
586 | set_circuitparams_pkt_loss( | |
587 | mtc, ifp->link_params->pkt_loss, 0); | |
588 | else | |
589 | SUBTLV_TYPE(mtc->pkt_loss) = 0; | |
590 | ||
591 | if (IS_PARAM_SET(ifp->link_params, LP_RES_BW)) | |
592 | set_circuitparams_res_bw(mtc, ifp->link_params->res_bw); | |
593 | else | |
594 | SUBTLV_TYPE(mtc->res_bw) = 0; | |
595 | ||
596 | if (IS_PARAM_SET(ifp->link_params, LP_AVA_BW)) | |
597 | set_circuitparams_ava_bw(mtc, ifp->link_params->ava_bw); | |
598 | else | |
599 | SUBTLV_TYPE(mtc->ava_bw) = 0; | |
600 | ||
601 | if (IS_PARAM_SET(ifp->link_params, LP_USE_BW)) | |
602 | set_circuitparams_use_bw(mtc, ifp->link_params->use_bw); | |
603 | else | |
604 | SUBTLV_TYPE(mtc->use_bw) = 0; | |
605 | ||
606 | /* INTER_AS */ | |
607 | if (IS_PARAM_SET(ifp->link_params, LP_RMT_AS)) | |
608 | set_circuitparams_inter_as(mtc, | |
609 | ifp->link_params->rmt_ip, | |
610 | ifp->link_params->rmt_as); | |
611 | else | |
612 | /* reset inter-as TE params */ | |
613 | unset_circuitparams_inter_as(mtc); | |
614 | ||
615 | /* Compute total length of SUB TLVs */ | |
616 | mtc->length = subtlvs_len(mtc); | |
617 | ||
618 | } else | |
619 | mtc->status = disable; | |
620 | ||
621 | /* Finally Update LSP */ | |
f8c06e2c | 622 | #if 0 |
2e2a8b91 | 623 | if (circuit->area && IS_MPLS_TE(circuit->area->mta)) |
f8c06e2c OD |
624 | lsp_regenerate_schedule (circuit->area, circuit->is_type, 0); |
625 | #endif | |
d62a17ae | 626 | return; |
f8c06e2c OD |
627 | } |
628 | ||
d62a17ae | 629 | void isis_mpls_te_update(struct interface *ifp) |
f8c06e2c | 630 | { |
d62a17ae | 631 | struct isis_circuit *circuit; |
f8c06e2c | 632 | |
d62a17ae | 633 | /* Sanity Check */ |
634 | if (ifp == NULL) | |
635 | return; | |
f8c06e2c | 636 | |
d62a17ae | 637 | /* Get circuit context from interface */ |
638 | if ((circuit = circuit_scan_by_ifp(ifp)) == NULL) | |
639 | return; | |
f8c06e2c | 640 | |
d62a17ae | 641 | /* Update TE TLVs ... */ |
642 | isis_link_params_update(circuit, ifp); | |
f8c06e2c | 643 | |
d62a17ae | 644 | /* ... and LSP */ |
2e2a8b91 | 645 | if (circuit->area && IS_MPLS_TE(circuit->area->mta)) |
d62a17ae | 646 | lsp_regenerate_schedule(circuit->area, circuit->is_type, 0); |
f8c06e2c | 647 | |
d62a17ae | 648 | return; |
f8c06e2c OD |
649 | } |
650 | ||
651 | /*------------------------------------------------------------------------* | |
652 | * Followings are vty session control functions. | |
653 | *------------------------------------------------------------------------*/ | |
654 | ||
d7c0a89a QY |
655 | static uint8_t print_subtlv_admin_grp(struct sbuf *buf, int indent, |
656 | struct te_subtlv_admin_grp *tlv) | |
f8c06e2c | 657 | { |
af8ac8f9 CF |
658 | sbuf_push(buf, indent, "Administrative Group: 0x%" PRIx32 "\n", |
659 | ntohl(tlv->value)); | |
d62a17ae | 660 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
661 | } |
662 | ||
d7c0a89a QY |
663 | static uint8_t print_subtlv_llri(struct sbuf *buf, int indent, |
664 | struct te_subtlv_llri *tlv) | |
f8c06e2c | 665 | { |
af8ac8f9 CF |
666 | sbuf_push(buf, indent, "Link Local ID: %" PRIu32 "\n", |
667 | ntohl(tlv->local)); | |
668 | sbuf_push(buf, indent, "Link Remote ID: %" PRIu32 "\n", | |
669 | ntohl(tlv->remote)); | |
d62a17ae | 670 | |
671 | return (SUBTLV_HDR_SIZE + TE_SUBTLV_LLRI_SIZE); | |
f8c06e2c OD |
672 | } |
673 | ||
d7c0a89a QY |
674 | static uint8_t print_subtlv_local_ipaddr(struct sbuf *buf, int indent, |
675 | struct te_subtlv_local_ipaddr *tlv) | |
f8c06e2c | 676 | { |
af8ac8f9 CF |
677 | sbuf_push(buf, indent, "Local Interface IP Address(es): %s\n", |
678 | inet_ntoa(tlv->value)); | |
d62a17ae | 679 | |
680 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); | |
f8c06e2c OD |
681 | } |
682 | ||
d7c0a89a QY |
683 | static uint8_t print_subtlv_rmt_ipaddr(struct sbuf *buf, int indent, |
684 | struct te_subtlv_rmt_ipaddr *tlv) | |
f8c06e2c | 685 | { |
af8ac8f9 CF |
686 | sbuf_push(buf, indent, "Remote Interface IP Address(es): %s\n", |
687 | inet_ntoa(tlv->value)); | |
d62a17ae | 688 | |
689 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); | |
f8c06e2c OD |
690 | } |
691 | ||
d7c0a89a QY |
692 | static uint8_t print_subtlv_max_bw(struct sbuf *buf, int indent, |
693 | struct te_subtlv_max_bw *tlv) | |
f8c06e2c | 694 | { |
d62a17ae | 695 | float fval; |
f8c06e2c | 696 | |
d62a17ae | 697 | fval = ntohf(tlv->value); |
f8c06e2c | 698 | |
af8ac8f9 | 699 | sbuf_push(buf, indent, "Maximum Bandwidth: %g (Bytes/sec)\n", fval); |
f8c06e2c | 700 | |
d62a17ae | 701 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
702 | } |
703 | ||
d7c0a89a QY |
704 | static uint8_t print_subtlv_max_rsv_bw(struct sbuf *buf, int indent, |
705 | struct te_subtlv_max_rsv_bw *tlv) | |
f8c06e2c | 706 | { |
d62a17ae | 707 | float fval; |
f8c06e2c | 708 | |
d62a17ae | 709 | fval = ntohf(tlv->value); |
f8c06e2c | 710 | |
996c9314 LB |
711 | sbuf_push(buf, indent, "Maximum Reservable Bandwidth: %g (Bytes/sec)\n", |
712 | fval); | |
f8c06e2c | 713 | |
d62a17ae | 714 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
715 | } |
716 | ||
d7c0a89a QY |
717 | static uint8_t print_subtlv_unrsv_bw(struct sbuf *buf, int indent, |
718 | struct te_subtlv_unrsv_bw *tlv) | |
f8c06e2c | 719 | { |
d62a17ae | 720 | float fval1, fval2; |
721 | int i; | |
722 | ||
af8ac8f9 | 723 | sbuf_push(buf, indent, "Unreserved Bandwidth:\n"); |
d62a17ae | 724 | |
725 | for (i = 0; i < MAX_CLASS_TYPE; i += 2) { | |
726 | fval1 = ntohf(tlv->value[i]); | |
727 | fval2 = ntohf(tlv->value[i + 1]); | |
996c9314 LB |
728 | sbuf_push(buf, indent + 2, |
729 | "[%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)\n", i, | |
730 | fval1, i + 1, fval2); | |
d62a17ae | 731 | } |
732 | ||
733 | return (SUBTLV_HDR_SIZE + TE_SUBTLV_UNRSV_SIZE); | |
f8c06e2c OD |
734 | } |
735 | ||
d7c0a89a QY |
736 | static uint8_t print_subtlv_te_metric(struct sbuf *buf, int indent, |
737 | struct te_subtlv_te_metric *tlv) | |
f8c06e2c | 738 | { |
d7c0a89a | 739 | uint32_t te_metric; |
f8c06e2c | 740 | |
d62a17ae | 741 | te_metric = tlv->value[2] | tlv->value[1] << 8 | tlv->value[0] << 16; |
af8ac8f9 | 742 | sbuf_push(buf, indent, "Traffic Engineering Metric: %u\n", te_metric); |
f8c06e2c | 743 | |
d62a17ae | 744 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
745 | } |
746 | ||
d7c0a89a QY |
747 | static uint8_t print_subtlv_ras(struct sbuf *buf, int indent, |
748 | struct te_subtlv_ras *tlv) | |
f8c06e2c | 749 | { |
af8ac8f9 CF |
750 | sbuf_push(buf, indent, "Inter-AS TE Remote AS number: %" PRIu32 "\n", |
751 | ntohl(tlv->value)); | |
d62a17ae | 752 | |
753 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); | |
f8c06e2c OD |
754 | } |
755 | ||
d7c0a89a QY |
756 | static uint8_t print_subtlv_rip(struct sbuf *buf, int indent, |
757 | struct te_subtlv_rip *tlv) | |
f8c06e2c | 758 | { |
af8ac8f9 CF |
759 | sbuf_push(buf, indent, "Inter-AS TE Remote ASBR IP address: %s\n", |
760 | inet_ntoa(tlv->value)); | |
d62a17ae | 761 | |
762 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); | |
f8c06e2c OD |
763 | } |
764 | ||
d7c0a89a QY |
765 | static uint8_t print_subtlv_av_delay(struct sbuf *buf, int indent, |
766 | struct te_subtlv_av_delay *tlv) | |
f8c06e2c | 767 | { |
d7c0a89a QY |
768 | uint32_t delay; |
769 | uint32_t A; | |
f8c06e2c | 770 | |
d7c0a89a QY |
771 | delay = (uint32_t)ntohl(tlv->value) & TE_EXT_MASK; |
772 | A = (uint32_t)ntohl(tlv->value) & TE_EXT_ANORMAL; | |
f8c06e2c | 773 | |
996c9314 LB |
774 | sbuf_push(buf, indent, |
775 | "%s Average Link Delay: %" PRIu32 " (micro-sec)\n", | |
af8ac8f9 | 776 | A ? "Anomalous" : "Normal", delay); |
f8c06e2c | 777 | |
d62a17ae | 778 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
779 | } |
780 | ||
d7c0a89a QY |
781 | static uint8_t print_subtlv_mm_delay(struct sbuf *buf, int indent, |
782 | struct te_subtlv_mm_delay *tlv) | |
f8c06e2c | 783 | { |
d7c0a89a QY |
784 | uint32_t low, high; |
785 | uint32_t A; | |
f8c06e2c | 786 | |
d7c0a89a QY |
787 | low = (uint32_t)ntohl(tlv->low) & TE_EXT_MASK; |
788 | A = (uint32_t)ntohl(tlv->low) & TE_EXT_ANORMAL; | |
789 | high = (uint32_t)ntohl(tlv->high) & TE_EXT_MASK; | |
f8c06e2c | 790 | |
98c5bc15 | 791 | sbuf_push(buf, indent, "%s Min/Max Link Delay: %" PRIu32 " / %" PRIu32 " (micro-sec)\n", |
af8ac8f9 | 792 | A ? "Anomalous" : "Normal", low, high); |
f8c06e2c | 793 | |
d62a17ae | 794 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
795 | } |
796 | ||
d7c0a89a QY |
797 | static uint8_t print_subtlv_delay_var(struct sbuf *buf, int indent, |
798 | struct te_subtlv_delay_var *tlv) | |
f8c06e2c | 799 | { |
d7c0a89a | 800 | uint32_t jitter; |
f8c06e2c | 801 | |
d7c0a89a | 802 | jitter = (uint32_t)ntohl(tlv->value) & TE_EXT_MASK; |
f8c06e2c | 803 | |
996c9314 LB |
804 | sbuf_push(buf, indent, "Delay Variation: %" PRIu32 " (micro-sec)\n", |
805 | jitter); | |
f8c06e2c | 806 | |
d62a17ae | 807 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
808 | } |
809 | ||
d7c0a89a QY |
810 | static uint8_t print_subtlv_pkt_loss(struct sbuf *buf, int indent, |
811 | struct te_subtlv_pkt_loss *tlv) | |
f8c06e2c | 812 | { |
d7c0a89a QY |
813 | uint32_t loss; |
814 | uint32_t A; | |
d62a17ae | 815 | float fval; |
816 | ||
d7c0a89a | 817 | loss = (uint32_t)ntohl(tlv->value) & TE_EXT_MASK; |
d62a17ae | 818 | fval = (float)(loss * LOSS_PRECISION); |
d7c0a89a | 819 | A = (uint32_t)ntohl(tlv->value) & TE_EXT_ANORMAL; |
d62a17ae | 820 | |
af8ac8f9 CF |
821 | sbuf_push(buf, indent, "%s Link Packet Loss: %g (%%)\n", |
822 | A ? "Anomalous" : "Normal", fval); | |
d62a17ae | 823 | |
824 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); | |
f8c06e2c OD |
825 | } |
826 | ||
d7c0a89a QY |
827 | static uint8_t print_subtlv_res_bw(struct sbuf *buf, int indent, |
828 | struct te_subtlv_res_bw *tlv) | |
f8c06e2c | 829 | { |
d62a17ae | 830 | float fval; |
f8c06e2c | 831 | |
d62a17ae | 832 | fval = ntohf(tlv->value); |
f8c06e2c | 833 | |
996c9314 LB |
834 | sbuf_push(buf, indent, |
835 | "Unidirectional Residual Bandwidth: %g (Bytes/sec)\n", fval); | |
f8c06e2c | 836 | |
d62a17ae | 837 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
838 | } |
839 | ||
d7c0a89a QY |
840 | static uint8_t print_subtlv_ava_bw(struct sbuf *buf, int indent, |
841 | struct te_subtlv_ava_bw *tlv) | |
f8c06e2c | 842 | { |
d62a17ae | 843 | float fval; |
f8c06e2c | 844 | |
d62a17ae | 845 | fval = ntohf(tlv->value); |
f8c06e2c | 846 | |
996c9314 LB |
847 | sbuf_push(buf, indent, |
848 | "Unidirectional Available Bandwidth: %g (Bytes/sec)\n", fval); | |
f8c06e2c | 849 | |
d62a17ae | 850 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
851 | } |
852 | ||
d7c0a89a QY |
853 | static uint8_t print_subtlv_use_bw(struct sbuf *buf, int indent, |
854 | struct te_subtlv_use_bw *tlv) | |
f8c06e2c | 855 | { |
d62a17ae | 856 | float fval; |
f8c06e2c | 857 | |
d62a17ae | 858 | fval = ntohf(tlv->value); |
f8c06e2c | 859 | |
996c9314 LB |
860 | sbuf_push(buf, indent, |
861 | "Unidirectional Utilized Bandwidth: %g (Bytes/sec)\n", fval); | |
f8c06e2c | 862 | |
d62a17ae | 863 | return (SUBTLV_HDR_SIZE + SUBTLV_DEF_SIZE); |
f8c06e2c OD |
864 | } |
865 | ||
d7c0a89a QY |
866 | static uint8_t print_unknown_tlv(struct sbuf *buf, int indent, |
867 | struct subtlv_header *tlvh) | |
f8c06e2c | 868 | { |
a2b6e694 | 869 | int i, rtn; |
d7c0a89a | 870 | uint8_t *v = (uint8_t *)tlvh; |
d62a17ae | 871 | |
af8ac8f9 CF |
872 | if (tlvh->length != 0) { |
873 | sbuf_push(buf, indent, | |
874 | "Unknown TLV: [type(%#.2x), length(%#.2x)]\n", | |
875 | tlvh->type, tlvh->length); | |
876 | sbuf_push(buf, indent + 2, "Dump: [00]"); | |
877 | rtn = 1; /* initialize end of line counter */ | |
878 | for (i = 0; i < tlvh->length; i++) { | |
879 | sbuf_push(buf, 0, " %#.2x", v[i]); | |
880 | if (rtn == 8) { | |
881 | sbuf_push(buf, 0, "\n"); | |
996c9314 | 882 | sbuf_push(buf, indent + 8, "[%.2x]", i + 1); |
af8ac8f9 CF |
883 | rtn = 1; |
884 | } else | |
885 | rtn++; | |
886 | } | |
887 | sbuf_push(buf, 0, "\n"); | |
d62a17ae | 888 | } else { |
af8ac8f9 CF |
889 | sbuf_push(buf, indent, |
890 | "Unknown TLV: [type(%#.2x), length(%#.2x)]\n", | |
891 | tlvh->type, tlvh->length); | |
d62a17ae | 892 | } |
893 | ||
894 | return SUBTLV_SIZE(tlvh); | |
f8c06e2c OD |
895 | } |
896 | ||
897 | /* Main Show function */ | |
98c5bc15 CF |
898 | void mpls_te_print_detail(struct sbuf *buf, int indent, |
899 | uint8_t *subtlvs, uint8_t subtlv_len) | |
f8c06e2c | 900 | { |
af8ac8f9 CF |
901 | struct subtlv_header *tlvh = (struct subtlv_header *)subtlvs; |
902 | uint16_t sum = 0; | |
d62a17ae | 903 | |
27a470dc CF |
904 | for (; sum < subtlv_len; |
905 | tlvh = (struct subtlv_header *)(subtlvs + sum)) { | |
906 | if (subtlv_len - sum < SUBTLV_SIZE(tlvh)) { | |
907 | sbuf_push(buf, indent, "Available data %" PRIu8 " is less than TLV size %u!\n", | |
908 | subtlv_len - sum, SUBTLV_SIZE(tlvh)); | |
909 | return; | |
910 | } | |
911 | ||
d62a17ae | 912 | switch (tlvh->type) { |
913 | case TE_SUBTLV_ADMIN_GRP: | |
27a470dc CF |
914 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
915 | sbuf_push(buf, indent, "TLV size does not match expected size for Administrative Group!\n"); | |
916 | return; | |
917 | } | |
98c5bc15 | 918 | sum += print_subtlv_admin_grp(buf, indent, |
af8ac8f9 | 919 | (struct te_subtlv_admin_grp *)tlvh); |
d62a17ae | 920 | break; |
921 | case TE_SUBTLV_LLRI: | |
27a470dc CF |
922 | if (tlvh->length != TE_SUBTLV_LLRI_SIZE) { |
923 | sbuf_push(buf, indent, "TLV size does not match expected size for Link ID!\n"); | |
924 | return; | |
925 | } | |
af8ac8f9 | 926 | sum += print_subtlv_llri(buf, indent, |
996c9314 | 927 | (struct te_subtlv_llri *)tlvh); |
d62a17ae | 928 | break; |
929 | case TE_SUBTLV_LOCAL_IPADDR: | |
27a470dc CF |
930 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
931 | sbuf_push(buf, indent, "TLV size does not match expected size for Local IP address!\n"); | |
932 | return; | |
933 | } | |
98c5bc15 | 934 | sum += print_subtlv_local_ipaddr(buf, indent, |
af8ac8f9 | 935 | (struct te_subtlv_local_ipaddr *)tlvh); |
d62a17ae | 936 | break; |
937 | case TE_SUBTLV_RMT_IPADDR: | |
27a470dc CF |
938 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
939 | sbuf_push(buf, indent, "TLV size does not match expected size for Remote Interface address!\n"); | |
940 | return; | |
941 | } | |
98c5bc15 | 942 | sum += print_subtlv_rmt_ipaddr(buf, indent, |
af8ac8f9 | 943 | (struct te_subtlv_rmt_ipaddr *)tlvh); |
d62a17ae | 944 | break; |
945 | case TE_SUBTLV_MAX_BW: | |
27a470dc CF |
946 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
947 | sbuf_push(buf, indent, "TLV size does not match expected size for Maximum Bandwidth!\n"); | |
948 | return; | |
949 | } | |
98c5bc15 CF |
950 | sum += print_subtlv_max_bw(buf, indent, |
951 | (struct te_subtlv_max_bw *)tlvh); | |
d62a17ae | 952 | break; |
953 | case TE_SUBTLV_MAX_RSV_BW: | |
27a470dc CF |
954 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
955 | sbuf_push(buf, indent, "TLV size does not match expected size for Maximum Reservable Bandwidth!\n"); | |
956 | return; | |
957 | } | |
98c5bc15 | 958 | sum += print_subtlv_max_rsv_bw(buf, indent, |
af8ac8f9 | 959 | (struct te_subtlv_max_rsv_bw *)tlvh); |
d62a17ae | 960 | break; |
961 | case TE_SUBTLV_UNRSV_BW: | |
27a470dc CF |
962 | if (tlvh->length != TE_SUBTLV_UNRSV_SIZE) { |
963 | sbuf_push(buf, indent, "TLV size does not match expected size for Unreserved Bandwidth!\n"); | |
964 | return; | |
965 | } | |
98c5bc15 CF |
966 | sum += print_subtlv_unrsv_bw(buf, indent, |
967 | (struct te_subtlv_unrsv_bw *)tlvh); | |
d62a17ae | 968 | break; |
969 | case TE_SUBTLV_TE_METRIC: | |
27a470dc CF |
970 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
971 | sbuf_push(buf, indent, "TLV size does not match expected size for Traffic Engineering Metric!\n"); | |
972 | return; | |
973 | } | |
98c5bc15 | 974 | sum += print_subtlv_te_metric(buf, indent, |
af8ac8f9 | 975 | (struct te_subtlv_te_metric *)tlvh); |
d62a17ae | 976 | break; |
977 | case TE_SUBTLV_RAS: | |
27a470dc CF |
978 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
979 | sbuf_push(buf, indent, "TLV size does not match expected size for Remote AS number!\n"); | |
980 | return; | |
981 | } | |
af8ac8f9 | 982 | sum += print_subtlv_ras(buf, indent, |
996c9314 | 983 | (struct te_subtlv_ras *)tlvh); |
d62a17ae | 984 | break; |
985 | case TE_SUBTLV_RIP: | |
27a470dc CF |
986 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
987 | sbuf_push(buf, indent, "TLV size does not match expected size for Remote ASBR IP Address!\n"); | |
988 | return; | |
989 | } | |
af8ac8f9 | 990 | sum += print_subtlv_rip(buf, indent, |
996c9314 | 991 | (struct te_subtlv_rip *)tlvh); |
d62a17ae | 992 | break; |
993 | case TE_SUBTLV_AV_DELAY: | |
27a470dc CF |
994 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
995 | sbuf_push(buf, indent, "TLV size does not match expected size for Average Link Delay!\n"); | |
996 | return; | |
997 | } | |
98c5bc15 CF |
998 | sum += print_subtlv_av_delay(buf, indent, |
999 | (struct te_subtlv_av_delay *)tlvh); | |
d62a17ae | 1000 | break; |
1001 | case TE_SUBTLV_MM_DELAY: | |
27a470dc CF |
1002 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
1003 | sbuf_push(buf, indent, "TLV size does not match expected size for Min/Max Link Delay!\n"); | |
1004 | return; | |
1005 | } | |
98c5bc15 CF |
1006 | sum += print_subtlv_mm_delay(buf, indent, |
1007 | (struct te_subtlv_mm_delay *)tlvh); | |
d62a17ae | 1008 | break; |
1009 | case TE_SUBTLV_DELAY_VAR: | |
27a470dc CF |
1010 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
1011 | sbuf_push(buf, indent, "TLV size does not match expected size for Delay Variation!\n"); | |
1012 | return; | |
1013 | } | |
98c5bc15 | 1014 | sum += print_subtlv_delay_var(buf, indent, |
af8ac8f9 | 1015 | (struct te_subtlv_delay_var *)tlvh); |
d62a17ae | 1016 | break; |
1017 | case TE_SUBTLV_PKT_LOSS: | |
27a470dc CF |
1018 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
1019 | sbuf_push(buf, indent, "TLV size does not match expected size for Link Packet Loss!\n"); | |
1020 | return; | |
1021 | } | |
98c5bc15 CF |
1022 | sum += print_subtlv_pkt_loss(buf, indent, |
1023 | (struct te_subtlv_pkt_loss *)tlvh); | |
d62a17ae | 1024 | break; |
1025 | case TE_SUBTLV_RES_BW: | |
27a470dc CF |
1026 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
1027 | sbuf_push(buf, indent, "TLV size does not match expected size for Unidirectional Residual Bandwidth!\n"); | |
1028 | return; | |
1029 | } | |
98c5bc15 CF |
1030 | sum += print_subtlv_res_bw(buf, indent, |
1031 | (struct te_subtlv_res_bw *)tlvh); | |
d62a17ae | 1032 | break; |
1033 | case TE_SUBTLV_AVA_BW: | |
27a470dc CF |
1034 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
1035 | sbuf_push(buf, indent, "TLV size does not match expected size for Unidirectional Available Bandwidth!\n"); | |
1036 | return; | |
1037 | } | |
98c5bc15 CF |
1038 | sum += print_subtlv_ava_bw(buf, indent, |
1039 | (struct te_subtlv_ava_bw *)tlvh); | |
d62a17ae | 1040 | break; |
1041 | case TE_SUBTLV_USE_BW: | |
27a470dc CF |
1042 | if (tlvh->length != SUBTLV_DEF_SIZE) { |
1043 | sbuf_push(buf, indent, "TLV size does not match expected size for Unidirectional Utilized Bandwidth!\n"); | |
1044 | return; | |
1045 | } | |
98c5bc15 CF |
1046 | sum += print_subtlv_use_bw(buf, indent, |
1047 | (struct te_subtlv_use_bw *)tlvh); | |
d62a17ae | 1048 | break; |
1049 | default: | |
af8ac8f9 | 1050 | sum += print_unknown_tlv(buf, indent, tlvh); |
d62a17ae | 1051 | break; |
1052 | } | |
1053 | } | |
1054 | return; | |
f8c06e2c OD |
1055 | } |
1056 | ||
f8c06e2c OD |
1057 | /*------------------------------------------------------------------------* |
1058 | * Followings are vty command functions. | |
1059 | *------------------------------------------------------------------------*/ | |
ef020087 CF |
1060 | #ifndef FABRICD |
1061 | ||
f8c06e2c OD |
1062 | DEFUN (show_isis_mpls_te_router, |
1063 | show_isis_mpls_te_router_cmd, | |
7c0cbd0e | 1064 | "show " PROTO_NAME " mpls-te router", |
f8c06e2c | 1065 | SHOW_STR |
7c0cbd0e | 1066 | PROTO_HELP |
f8c06e2c OD |
1067 | MPLS_TE_STR |
1068 | "Router information\n") | |
1069 | { | |
d62a17ae | 1070 | |
2e2a8b91 OD |
1071 | struct listnode *anode; |
1072 | struct isis_area *area; | |
1073 | ||
1074 | if (!isis) { | |
1075 | vty_out(vty, "IS-IS Routing Process not enabled\n"); | |
1076 | return CMD_SUCCESS; | |
1077 | } | |
1078 | ||
1079 | for (ALL_LIST_ELEMENTS_RO(isis->area_list, anode, area)) { | |
1080 | ||
1081 | if (!IS_MPLS_TE(area->mta)) | |
1082 | continue; | |
1083 | ||
1084 | vty_out(vty, "Area %s:\n", area->area_tag); | |
1085 | if (ntohs(area->mta->router_id.s_addr) != 0) | |
1086 | vty_out(vty, " MPLS-TE Router-Address: %s\n", | |
1087 | inet_ntoa(area->mta->router_id)); | |
d62a17ae | 1088 | else |
1089 | vty_out(vty, " N/A\n"); | |
2e2a8b91 | 1090 | } |
d62a17ae | 1091 | |
1092 | return CMD_SUCCESS; | |
f8c06e2c OD |
1093 | } |
1094 | ||
2e2a8b91 OD |
1095 | static void show_mpls_te_sub(struct vty *vty, char *name, |
1096 | struct mpls_te_circuit *mtc) | |
f8c06e2c | 1097 | { |
af8ac8f9 CF |
1098 | struct sbuf buf; |
1099 | ||
1100 | sbuf_init(&buf, NULL, 0); | |
d62a17ae | 1101 | |
2e2a8b91 OD |
1102 | if (mtc->status != enable) |
1103 | return; | |
d62a17ae | 1104 | |
2e2a8b91 | 1105 | vty_out(vty, "-- MPLS-TE link parameters for %s --\n", name); |
d62a17ae | 1106 | |
2e2a8b91 OD |
1107 | sbuf_reset(&buf); |
1108 | print_subtlv_admin_grp(&buf, 4, &mtc->admin_grp); | |
d62a17ae | 1109 | |
2e2a8b91 OD |
1110 | if (SUBTLV_TYPE(mtc->local_ipaddr) != 0) |
1111 | print_subtlv_local_ipaddr(&buf, 4, &mtc->local_ipaddr); | |
1112 | if (SUBTLV_TYPE(mtc->rmt_ipaddr) != 0) | |
1113 | print_subtlv_rmt_ipaddr(&buf, 4, &mtc->rmt_ipaddr); | |
1114 | ||
1115 | print_subtlv_max_bw(&buf, 4, &mtc->max_bw); | |
1116 | print_subtlv_max_rsv_bw(&buf, 4, &mtc->max_rsv_bw); | |
1117 | print_subtlv_unrsv_bw(&buf, 4, &mtc->unrsv_bw); | |
1118 | print_subtlv_te_metric(&buf, 4, &mtc->te_metric); | |
1119 | ||
1120 | if (IS_INTER_AS(mtc->type)) { | |
1121 | if (SUBTLV_TYPE(mtc->ras) != 0) | |
1122 | print_subtlv_ras(&buf, 4, &mtc->ras); | |
1123 | if (SUBTLV_TYPE(mtc->rip) != 0) | |
1124 | print_subtlv_rip(&buf, 4, &mtc->rip); | |
1125 | } | |
231e94e3 | 1126 | |
2e2a8b91 OD |
1127 | print_subtlv_av_delay(&buf, 4, &mtc->av_delay); |
1128 | print_subtlv_mm_delay(&buf, 4, &mtc->mm_delay); | |
1129 | print_subtlv_delay_var(&buf, 4, &mtc->delay_var); | |
1130 | print_subtlv_pkt_loss(&buf, 4, &mtc->pkt_loss); | |
1131 | print_subtlv_res_bw(&buf, 4, &mtc->res_bw); | |
1132 | print_subtlv_ava_bw(&buf, 4, &mtc->ava_bw); | |
1133 | print_subtlv_use_bw(&buf, 4, &mtc->use_bw); | |
af8ac8f9 | 1134 | |
2e2a8b91 OD |
1135 | vty_multiline(vty, "", "%s", sbuf_buf(&buf)); |
1136 | vty_out(vty, "---------------\n\n"); | |
d62a17ae | 1137 | |
af8ac8f9 | 1138 | sbuf_free(&buf); |
d62a17ae | 1139 | return; |
f8c06e2c OD |
1140 | } |
1141 | ||
1142 | DEFUN (show_isis_mpls_te_interface, | |
1143 | show_isis_mpls_te_interface_cmd, | |
7c0cbd0e | 1144 | "show " PROTO_NAME " mpls-te interface [INTERFACE]", |
f8c06e2c | 1145 | SHOW_STR |
7c0cbd0e | 1146 | PROTO_HELP |
f8c06e2c OD |
1147 | MPLS_TE_STR |
1148 | "Interface information\n" | |
1149 | "Interface name\n") | |
1150 | { | |
2e2a8b91 OD |
1151 | struct listnode *anode, *cnode; |
1152 | struct isis_area *area; | |
1153 | struct isis_circuit *circuit; | |
231e94e3 | 1154 | struct interface *ifp; |
2e2a8b91 | 1155 | int idx_interface = 4; |
d62a17ae | 1156 | |
2e2a8b91 OD |
1157 | if (!isis) { |
1158 | vty_out(vty, "IS-IS Routing Process not enabled\n"); | |
1159 | return CMD_SUCCESS; | |
d62a17ae | 1160 | } |
2e2a8b91 OD |
1161 | |
1162 | if (argc == idx_interface) { | |
1163 | /* Show All Interfaces. */ | |
1164 | for (ALL_LIST_ELEMENTS_RO(isis->area_list, anode, area)) { | |
1165 | ||
1166 | if (!IS_MPLS_TE(area->mta)) | |
1167 | continue; | |
1168 | ||
1169 | vty_out(vty, "Area %s:\n", area->area_tag); | |
1170 | ||
1171 | for (ALL_LIST_ELEMENTS_RO(area->circuit_list, cnode, | |
1172 | circuit)) | |
1173 | show_mpls_te_sub(vty, circuit->interface->name, | |
1174 | circuit->mtc); | |
1175 | } | |
1176 | } else { | |
1177 | /* Interface name is specified. */ | |
1178 | ifp = if_lookup_by_name(argv[idx_interface]->arg, VRF_DEFAULT); | |
1179 | if (ifp == NULL) | |
d62a17ae | 1180 | vty_out(vty, "No such interface name\n"); |
2e2a8b91 OD |
1181 | else { |
1182 | circuit = circuit_scan_by_ifp(ifp); | |
1183 | if (!circuit) | |
1184 | vty_out(vty, | |
1185 | "ISIS is not enabled on circuit %s\n", | |
1186 | ifp->name); | |
1187 | else | |
1188 | show_mpls_te_sub(vty, ifp->name, circuit->mtc); | |
1189 | } | |
d62a17ae | 1190 | } |
1191 | ||
1192 | return CMD_SUCCESS; | |
f8c06e2c | 1193 | } |
ef020087 | 1194 | #endif |
f8c06e2c OD |
1195 | |
1196 | /* Initialize MPLS_TE */ | |
d62a17ae | 1197 | void isis_mpls_te_init(void) |
f8c06e2c OD |
1198 | { |
1199 | ||
ef020087 | 1200 | #ifndef FABRICD |
d62a17ae | 1201 | /* Register new VTY commands */ |
1202 | install_element(VIEW_NODE, &show_isis_mpls_te_router_cmd); | |
1203 | install_element(VIEW_NODE, &show_isis_mpls_te_interface_cmd); | |
ef020087 | 1204 | #endif |
f8c06e2c | 1205 | |
d62a17ae | 1206 | return; |
f8c06e2c | 1207 | } |