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aba5acdf SH |
1 | /* |
2 | * q_cbq.c CBQ. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version | |
7 | * 2 of the License, or (at your option) any later version. | |
8 | * | |
9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> | |
10 | * | |
11 | */ | |
12 | ||
13 | #include <stdio.h> | |
14 | #include <stdlib.h> | |
15 | #include <unistd.h> | |
16 | #include <syslog.h> | |
17 | #include <fcntl.h> | |
18 | #include <sys/socket.h> | |
19 | #include <netinet/in.h> | |
20 | #include <arpa/inet.h> | |
21 | #include <string.h> | |
22 | ||
23 | #include "utils.h" | |
24 | #include "tc_util.h" | |
25 | #include "tc_cbq.h" | |
26 | ||
27 | static void explain_class(void) | |
28 | { | |
29 | fprintf(stderr, "Usage: ... cbq bandwidth BPS rate BPS maxburst PKTS [ avpkt BYTES ]\n"); | |
30 | fprintf(stderr, " [ minburst PKTS ] [ bounded ] [ isolated ]\n"); | |
31 | fprintf(stderr, " [ allot BYTES ] [ mpu BYTES ] [ weight RATE ]\n"); | |
32 | fprintf(stderr, " [ prio NUMBER ] [ cell BYTES ] [ ewma LOG ]\n"); | |
33 | fprintf(stderr, " [ estimator INTERVAL TIME_CONSTANT ]\n"); | |
34 | fprintf(stderr, " [ split CLASSID ] [ defmap MASK/CHANGE ]\n"); | |
35 | } | |
36 | ||
37 | static void explain(void) | |
38 | { | |
39 | fprintf(stderr, "Usage: ... cbq bandwidth BPS avpkt BYTES [ mpu BYTES ]\n"); | |
40 | fprintf(stderr, " [ cell BYTES ] [ ewma LOG ]\n"); | |
41 | } | |
42 | ||
43 | static void explain1(char *arg) | |
44 | { | |
45 | fprintf(stderr, "Illegal \"%s\"\n", arg); | |
46 | } | |
47 | ||
48 | #define usage() return(-1) | |
49 | ||
50 | static int cbq_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n) | |
51 | { | |
52 | struct tc_ratespec r; | |
53 | struct tc_cbq_lssopt lss; | |
54 | __u32 rtab[256]; | |
55 | unsigned mpu=0, avpkt=0, allot=0; | |
56 | int cell_log=-1; | |
57 | int ewma_log=-1; | |
58 | struct rtattr *tail; | |
59 | ||
60 | memset(&lss, 0, sizeof(lss)); | |
61 | memset(&r, 0, sizeof(r)); | |
62 | ||
63 | while (argc > 0) { | |
64 | if (strcmp(*argv, "bandwidth") == 0 || | |
65 | strcmp(*argv, "rate") == 0) { | |
66 | NEXT_ARG(); | |
67 | if (get_rate(&r.rate, *argv)) { | |
68 | explain1("bandwidth"); | |
69 | return -1; | |
70 | } | |
71 | } else if (strcmp(*argv, "ewma") == 0) { | |
72 | NEXT_ARG(); | |
73 | if (get_unsigned(&ewma_log, *argv, 0)) { | |
74 | explain1("ewma"); | |
75 | return -1; | |
76 | } | |
77 | if (ewma_log > 31) { | |
78 | fprintf(stderr, "ewma_log must be < 32\n"); | |
79 | return -1; | |
80 | } | |
81 | } else if (strcmp(*argv, "cell") == 0) { | |
82 | unsigned cell; | |
83 | int i; | |
84 | NEXT_ARG(); | |
85 | if (get_size(&cell, *argv)) { | |
86 | explain1("cell"); | |
87 | return -1; | |
88 | } | |
89 | for (i=0; i<32; i++) | |
90 | if ((1<<i) == cell) | |
91 | break; | |
92 | if (i>=32) { | |
93 | fprintf(stderr, "cell must be 2^n\n"); | |
94 | return -1; | |
95 | } | |
96 | cell_log = i; | |
97 | } else if (strcmp(*argv, "avpkt") == 0) { | |
98 | NEXT_ARG(); | |
99 | if (get_size(&avpkt, *argv)) { | |
100 | explain1("avpkt"); | |
101 | return -1; | |
102 | } | |
103 | } else if (strcmp(*argv, "mpu") == 0) { | |
104 | NEXT_ARG(); | |
105 | if (get_size(&mpu, *argv)) { | |
106 | explain1("mpu"); | |
107 | return -1; | |
108 | } | |
109 | } else if (strcmp(*argv, "allot") == 0) { | |
110 | NEXT_ARG(); | |
111 | /* Accept and ignore "allot" for backward compatibility */ | |
112 | if (get_size(&allot, *argv)) { | |
113 | explain1("allot"); | |
114 | return -1; | |
115 | } | |
116 | } else if (strcmp(*argv, "help") == 0) { | |
117 | explain(); | |
118 | return -1; | |
119 | } else { | |
120 | fprintf(stderr, "What is \"%s\"?\n", *argv); | |
121 | explain(); | |
122 | return -1; | |
123 | } | |
124 | argc--; argv++; | |
125 | } | |
126 | ||
127 | /* OK. All options are parsed. */ | |
128 | ||
129 | if (r.rate == 0) { | |
130 | fprintf(stderr, "CBQ: bandwidth is required parameter.\n"); | |
131 | return -1; | |
132 | } | |
133 | if (avpkt == 0) { | |
134 | fprintf(stderr, "CBQ: \"avpkt\" is required.\n"); | |
135 | return -1; | |
136 | } | |
137 | if (allot < (avpkt*3)/2) | |
138 | allot = (avpkt*3)/2; | |
139 | ||
140 | if ((cell_log = tc_calc_rtable(r.rate, rtab, cell_log, allot, mpu)) < 0) { | |
141 | fprintf(stderr, "CBQ: failed to calculate rate table.\n"); | |
142 | return -1; | |
143 | } | |
144 | r.cell_log = cell_log; | |
145 | r.mpu = mpu; | |
146 | ||
147 | if (ewma_log < 0) | |
148 | ewma_log = TC_CBQ_DEF_EWMA; | |
149 | lss.ewma_log = ewma_log; | |
150 | lss.maxidle = tc_cbq_calc_maxidle(r.rate, r.rate, avpkt, lss.ewma_log, 0); | |
151 | lss.change = TCF_CBQ_LSS_MAXIDLE|TCF_CBQ_LSS_EWMA|TCF_CBQ_LSS_AVPKT; | |
152 | lss.avpkt = avpkt; | |
153 | ||
154 | tail = (struct rtattr*)(((void*)n)+NLMSG_ALIGN(n->nlmsg_len)); | |
155 | addattr_l(n, 1024, TCA_OPTIONS, NULL, 0); | |
156 | addattr_l(n, 1024, TCA_CBQ_RATE, &r, sizeof(r)); | |
157 | addattr_l(n, 1024, TCA_CBQ_LSSOPT, &lss, sizeof(lss)); | |
158 | addattr_l(n, 3024, TCA_CBQ_RTAB, rtab, 1024); | |
159 | if (show_raw) { | |
160 | int i; | |
161 | for (i=0; i<256; i++) | |
162 | printf("%u ", rtab[i]); | |
163 | printf("\n"); | |
164 | } | |
165 | tail->rta_len = (((void*)n)+NLMSG_ALIGN(n->nlmsg_len)) - (void*)tail; | |
166 | return 0; | |
167 | } | |
168 | ||
169 | static int cbq_parse_class_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n) | |
170 | { | |
171 | int wrr_ok=0, fopt_ok=0; | |
172 | struct tc_ratespec r; | |
173 | struct tc_cbq_lssopt lss; | |
174 | struct tc_cbq_wrropt wrr; | |
175 | struct tc_cbq_fopt fopt; | |
176 | struct tc_cbq_ovl ovl; | |
177 | __u32 rtab[256]; | |
178 | unsigned mpu=0; | |
179 | int cell_log=-1; | |
180 | int ewma_log=-1; | |
181 | unsigned bndw = 0; | |
182 | unsigned minburst=0, maxburst=0; | |
183 | struct rtattr *tail; | |
184 | ||
185 | memset(&r, 0, sizeof(r)); | |
186 | memset(&lss, 0, sizeof(lss)); | |
187 | memset(&wrr, 0, sizeof(wrr)); | |
188 | memset(&fopt, 0, sizeof(fopt)); | |
189 | memset(&ovl, 0, sizeof(ovl)); | |
190 | ||
191 | while (argc > 0) { | |
192 | if (strcmp(*argv, "rate") == 0) { | |
193 | NEXT_ARG(); | |
194 | if (get_rate(&r.rate, *argv)) { | |
195 | explain1("rate"); | |
196 | return -1; | |
197 | } | |
198 | } else if (strcmp(*argv, "bandwidth") == 0) { | |
199 | NEXT_ARG(); | |
200 | if (get_rate(&bndw, *argv)) { | |
201 | explain1("bandwidth"); | |
202 | return -1; | |
203 | } | |
204 | } else if (strcmp(*argv, "minidle") == 0) { | |
205 | NEXT_ARG(); | |
206 | if (get_u32(&lss.minidle, *argv, 0)) { | |
207 | explain1("minidle"); | |
208 | return -1; | |
209 | } | |
210 | lss.change |= TCF_CBQ_LSS_MINIDLE; | |
211 | } else if (strcmp(*argv, "minburst") == 0) { | |
212 | NEXT_ARG(); | |
213 | if (get_u32(&minburst, *argv, 0)) { | |
214 | explain1("minburst"); | |
215 | return -1; | |
216 | } | |
217 | lss.change |= TCF_CBQ_LSS_OFFTIME; | |
218 | } else if (strcmp(*argv, "maxburst") == 0) { | |
219 | NEXT_ARG(); | |
220 | if (get_u32(&maxburst, *argv, 0)) { | |
221 | explain1("maxburst"); | |
222 | return -1; | |
223 | } | |
224 | lss.change |= TCF_CBQ_LSS_MAXIDLE; | |
225 | } else if (strcmp(*argv, "bounded") == 0) { | |
226 | lss.flags |= TCF_CBQ_LSS_BOUNDED; | |
227 | lss.change |= TCF_CBQ_LSS_FLAGS; | |
228 | } else if (strcmp(*argv, "borrow") == 0) { | |
229 | lss.flags &= ~TCF_CBQ_LSS_BOUNDED; | |
230 | lss.change |= TCF_CBQ_LSS_FLAGS; | |
231 | } else if (strcmp(*argv, "isolated") == 0) { | |
232 | lss.flags |= TCF_CBQ_LSS_ISOLATED; | |
233 | lss.change |= TCF_CBQ_LSS_FLAGS; | |
234 | } else if (strcmp(*argv, "sharing") == 0) { | |
235 | lss.flags &= ~TCF_CBQ_LSS_ISOLATED; | |
236 | lss.change |= TCF_CBQ_LSS_FLAGS; | |
237 | } else if (strcmp(*argv, "ewma") == 0) { | |
238 | NEXT_ARG(); | |
239 | if (get_u32(&ewma_log, *argv, 0)) { | |
240 | explain1("ewma"); | |
241 | return -1; | |
242 | } | |
243 | if (ewma_log > 31) { | |
244 | fprintf(stderr, "ewma_log must be < 32\n"); | |
245 | return -1; | |
246 | } | |
247 | lss.change |= TCF_CBQ_LSS_EWMA; | |
248 | } else if (strcmp(*argv, "cell") == 0) { | |
249 | unsigned cell; | |
250 | int i; | |
251 | NEXT_ARG(); | |
252 | if (get_size(&cell, *argv)) { | |
253 | explain1("cell"); | |
254 | return -1; | |
255 | } | |
256 | for (i=0; i<32; i++) | |
257 | if ((1<<i) == cell) | |
258 | break; | |
259 | if (i>=32) { | |
260 | fprintf(stderr, "cell must be 2^n\n"); | |
261 | return -1; | |
262 | } | |
263 | cell_log = i; | |
264 | } else if (strcmp(*argv, "prio") == 0) { | |
265 | unsigned prio; | |
266 | NEXT_ARG(); | |
267 | if (get_u32(&prio, *argv, 0)) { | |
268 | explain1("prio"); | |
269 | return -1; | |
270 | } | |
271 | if (prio > TC_CBQ_MAXPRIO) { | |
272 | fprintf(stderr, "\"prio\" must be number in the range 1...%d\n", TC_CBQ_MAXPRIO); | |
273 | return -1; | |
274 | } | |
275 | wrr.priority = prio; | |
276 | wrr_ok++; | |
277 | } else if (strcmp(*argv, "allot") == 0) { | |
278 | NEXT_ARG(); | |
279 | if (get_size(&wrr.allot, *argv)) { | |
280 | explain1("allot"); | |
281 | return -1; | |
282 | } | |
283 | } else if (strcmp(*argv, "avpkt") == 0) { | |
284 | NEXT_ARG(); | |
285 | if (get_size(&lss.avpkt, *argv)) { | |
286 | explain1("avpkt"); | |
287 | return -1; | |
288 | } | |
289 | lss.change |= TCF_CBQ_LSS_AVPKT; | |
290 | } else if (strcmp(*argv, "mpu") == 0) { | |
291 | NEXT_ARG(); | |
292 | if (get_size(&mpu, *argv)) { | |
293 | explain1("mpu"); | |
294 | return -1; | |
295 | } | |
296 | } else if (strcmp(*argv, "weight") == 0) { | |
297 | NEXT_ARG(); | |
298 | if (get_size(&wrr.weight, *argv)) { | |
299 | explain1("weight"); | |
300 | return -1; | |
301 | } | |
302 | wrr_ok++; | |
303 | } else if (strcmp(*argv, "split") == 0) { | |
304 | NEXT_ARG(); | |
305 | if (get_tc_classid(&fopt.split, *argv)) { | |
306 | fprintf(stderr, "Invalid split node ID.\n"); | |
307 | usage(); | |
308 | } | |
309 | fopt_ok++; | |
310 | } else if (strcmp(*argv, "defmap") == 0) { | |
311 | int err; | |
312 | NEXT_ARG(); | |
313 | err = sscanf(*argv, "%08x/%08x", &fopt.defmap, &fopt.defchange); | |
314 | if (err < 1) { | |
315 | fprintf(stderr, "Invalid defmap, should be MASK32[/MASK]\n"); | |
316 | return -1; | |
317 | } | |
318 | if (err == 1) | |
319 | fopt.defchange = ~0; | |
320 | fopt_ok++; | |
321 | } else if (strcmp(*argv, "help") == 0) { | |
322 | explain_class(); | |
323 | return -1; | |
324 | } else { | |
325 | fprintf(stderr, "What is \"%s\"?\n", *argv); | |
326 | explain_class(); | |
327 | return -1; | |
328 | } | |
329 | argc--; argv++; | |
330 | } | |
331 | ||
332 | /* OK. All options are parsed. */ | |
333 | ||
334 | /* 1. Prepare link sharing scheduler parameters */ | |
335 | if (r.rate) { | |
336 | unsigned pktsize = wrr.allot; | |
337 | if (wrr.allot < (lss.avpkt*3)/2) | |
338 | wrr.allot = (lss.avpkt*3)/2; | |
339 | if ((cell_log = tc_calc_rtable(r.rate, rtab, cell_log, pktsize, mpu)) < 0) { | |
340 | fprintf(stderr, "CBQ: failed to calculate rate table.\n"); | |
341 | return -1; | |
342 | } | |
343 | r.cell_log = cell_log; | |
344 | r.mpu = mpu; | |
345 | } | |
346 | if (ewma_log < 0) | |
347 | ewma_log = TC_CBQ_DEF_EWMA; | |
348 | lss.ewma_log = ewma_log; | |
349 | if (lss.change&(TCF_CBQ_LSS_OFFTIME|TCF_CBQ_LSS_MAXIDLE)) { | |
350 | if (lss.avpkt == 0) { | |
351 | fprintf(stderr, "CBQ: avpkt is required for max/minburst.\n"); | |
352 | return -1; | |
353 | } | |
354 | if (bndw==0 || r.rate == 0) { | |
355 | fprintf(stderr, "CBQ: bandwidth&rate are required for max/minburst.\n"); | |
356 | return -1; | |
357 | } | |
358 | } | |
359 | if (wrr.priority == 0 && (n->nlmsg_flags&NLM_F_EXCL)) { | |
360 | wrr_ok = 1; | |
361 | wrr.priority = TC_CBQ_MAXPRIO; | |
362 | if (wrr.allot == 0) | |
363 | wrr.allot = (lss.avpkt*3)/2; | |
364 | } | |
365 | if (wrr_ok) { | |
366 | if (wrr.weight == 0) | |
367 | wrr.weight = (wrr.priority == TC_CBQ_MAXPRIO) ? 1 : r.rate; | |
368 | if (wrr.allot == 0) { | |
369 | fprintf(stderr, "CBQ: \"allot\" is required to set WRR parameters.\n"); | |
370 | return -1; | |
371 | } | |
372 | } | |
373 | if (lss.change&TCF_CBQ_LSS_MAXIDLE) { | |
374 | lss.maxidle = tc_cbq_calc_maxidle(bndw, r.rate, lss.avpkt, ewma_log, maxburst); | |
375 | lss.change |= TCF_CBQ_LSS_MAXIDLE; | |
376 | lss.change |= TCF_CBQ_LSS_EWMA|TCF_CBQ_LSS_AVPKT; | |
377 | } | |
378 | if (lss.change&TCF_CBQ_LSS_OFFTIME) { | |
379 | lss.offtime = tc_cbq_calc_offtime(bndw, r.rate, lss.avpkt, ewma_log, minburst); | |
380 | lss.change |= TCF_CBQ_LSS_OFFTIME; | |
381 | lss.change |= TCF_CBQ_LSS_EWMA|TCF_CBQ_LSS_AVPKT; | |
382 | } | |
383 | if (lss.change&TCF_CBQ_LSS_MINIDLE) { | |
384 | lss.minidle <<= lss.ewma_log; | |
385 | lss.change |= TCF_CBQ_LSS_EWMA; | |
386 | } | |
387 | ||
388 | tail = (struct rtattr*)(((void*)n)+NLMSG_ALIGN(n->nlmsg_len)); | |
389 | addattr_l(n, 1024, TCA_OPTIONS, NULL, 0); | |
390 | if (lss.change) { | |
391 | lss.change |= TCF_CBQ_LSS_FLAGS; | |
392 | addattr_l(n, 1024, TCA_CBQ_LSSOPT, &lss, sizeof(lss)); | |
393 | } | |
394 | if (wrr_ok) | |
395 | addattr_l(n, 1024, TCA_CBQ_WRROPT, &wrr, sizeof(wrr)); | |
396 | if (fopt_ok) | |
397 | addattr_l(n, 1024, TCA_CBQ_FOPT, &fopt, sizeof(fopt)); | |
398 | if (r.rate) { | |
399 | addattr_l(n, 1024, TCA_CBQ_RATE, &r, sizeof(r)); | |
400 | addattr_l(n, 3024, TCA_CBQ_RTAB, rtab, 1024); | |
401 | if (show_raw) { | |
402 | int i; | |
403 | for (i=0; i<256; i++) | |
404 | printf("%u ", rtab[i]); | |
405 | printf("\n"); | |
406 | } | |
407 | } | |
408 | tail->rta_len = (((void*)n)+NLMSG_ALIGN(n->nlmsg_len)) - (void*)tail; | |
409 | return 0; | |
410 | } | |
411 | ||
412 | ||
413 | static int cbq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) | |
414 | { | |
415 | struct rtattr *tb[TCA_CBQ_MAX+1]; | |
416 | struct tc_ratespec *r = NULL; | |
417 | struct tc_cbq_lssopt *lss = NULL; | |
418 | struct tc_cbq_wrropt *wrr = NULL; | |
419 | struct tc_cbq_fopt *fopt = NULL; | |
420 | struct tc_cbq_ovl *ovl = NULL; | |
421 | ||
422 | if (opt == NULL) | |
423 | return 0; | |
424 | ||
425 | memset(tb, 0, sizeof(tb)); | |
426 | parse_rtattr(tb, TCA_CBQ_MAX, RTA_DATA(opt), RTA_PAYLOAD(opt)); | |
427 | ||
428 | if (tb[TCA_CBQ_RATE]) { | |
429 | if (RTA_PAYLOAD(tb[TCA_CBQ_RATE]) < sizeof(*r)) | |
430 | fprintf(stderr, "CBQ: too short rate opt\n"); | |
431 | else | |
432 | r = RTA_DATA(tb[TCA_CBQ_RATE]); | |
433 | } | |
434 | if (tb[TCA_CBQ_LSSOPT]) { | |
435 | if (RTA_PAYLOAD(tb[TCA_CBQ_LSSOPT]) < sizeof(*lss)) | |
436 | fprintf(stderr, "CBQ: too short lss opt\n"); | |
437 | else | |
438 | lss = RTA_DATA(tb[TCA_CBQ_LSSOPT]); | |
439 | } | |
440 | if (tb[TCA_CBQ_WRROPT]) { | |
441 | if (RTA_PAYLOAD(tb[TCA_CBQ_WRROPT]) < sizeof(*wrr)) | |
442 | fprintf(stderr, "CBQ: too short wrr opt\n"); | |
443 | else | |
444 | wrr = RTA_DATA(tb[TCA_CBQ_WRROPT]); | |
445 | } | |
446 | if (tb[TCA_CBQ_FOPT]) { | |
447 | if (RTA_PAYLOAD(tb[TCA_CBQ_FOPT]) < sizeof(*fopt)) | |
448 | fprintf(stderr, "CBQ: too short fopt\n"); | |
449 | else | |
450 | fopt = RTA_DATA(tb[TCA_CBQ_FOPT]); | |
451 | } | |
452 | if (tb[TCA_CBQ_OVL_STRATEGY]) { | |
453 | if (RTA_PAYLOAD(tb[TCA_CBQ_OVL_STRATEGY]) < sizeof(*ovl)) | |
454 | fprintf(stderr, "CBQ: too short overlimit strategy %u/%u\n", | |
455 | RTA_PAYLOAD(tb[TCA_CBQ_OVL_STRATEGY]), sizeof(*ovl)); | |
456 | else | |
457 | ovl = RTA_DATA(tb[TCA_CBQ_OVL_STRATEGY]); | |
458 | } | |
459 | ||
460 | if (r) { | |
461 | char buf[64]; | |
462 | print_rate(buf, sizeof(buf), r->rate); | |
463 | fprintf(f, "rate %s ", buf); | |
464 | if (show_details) { | |
465 | fprintf(f, "cell %ub ", 1<<r->cell_log); | |
466 | if (r->mpu) | |
467 | fprintf(f, "mpu %ub ", r->mpu); | |
468 | } | |
469 | } | |
470 | if (lss && lss->flags) { | |
471 | int comma=0; | |
472 | fprintf(f, "("); | |
473 | if (lss->flags&TCF_CBQ_LSS_BOUNDED) { | |
474 | fprintf(f, "bounded"); | |
475 | comma=1; | |
476 | } | |
477 | if (lss->flags&TCF_CBQ_LSS_ISOLATED) { | |
478 | if (comma) | |
479 | fprintf(f, ","); | |
480 | fprintf(f, "isolated"); | |
481 | } | |
482 | fprintf(f, ") "); | |
483 | } | |
484 | if (wrr) { | |
485 | if (wrr->priority != TC_CBQ_MAXPRIO) | |
486 | fprintf(f, "prio %u", wrr->priority); | |
487 | else | |
488 | fprintf(f, "prio no-transmit"); | |
489 | if (show_details) { | |
490 | char buf[64]; | |
491 | fprintf(f, "/%u ", wrr->cpriority); | |
492 | if (wrr->weight != 1) { | |
493 | print_rate(buf, sizeof(buf), wrr->weight); | |
494 | fprintf(f, "weight %s ", buf); | |
495 | } | |
496 | if (wrr->allot) | |
497 | fprintf(f, "allot %ub ", wrr->allot); | |
498 | } | |
499 | } | |
500 | if (lss && show_details) { | |
501 | fprintf(f, "\nlevel %u ewma %u avpkt %ub ", lss->level, lss->ewma_log, lss->avpkt); | |
502 | if (lss->maxidle) { | |
503 | fprintf(f, "maxidle %luus ", tc_core_tick2usec(lss->maxidle>>lss->ewma_log)); | |
504 | if (show_raw) | |
505 | fprintf(f, "[%08x] ", lss->maxidle); | |
506 | } | |
507 | if (lss->minidle!=0x7fffffff) { | |
508 | fprintf(f, "minidle %luus ", tc_core_tick2usec(lss->minidle>>lss->ewma_log)); | |
509 | if (show_raw) | |
510 | fprintf(f, "[%08x] ", lss->minidle); | |
511 | } | |
512 | if (lss->offtime) { | |
513 | fprintf(f, "offtime %luus ", tc_core_tick2usec(lss->offtime)); | |
514 | if (show_raw) | |
515 | fprintf(f, "[%08x] ", lss->offtime); | |
516 | } | |
517 | } | |
518 | if (fopt && show_details) { | |
519 | char buf[64]; | |
520 | print_tc_classid(buf, sizeof(buf), fopt->split); | |
521 | fprintf(f, "\nsplit %s ", buf); | |
522 | if (fopt->defmap) { | |
523 | fprintf(f, "defmap %08x", fopt->defmap); | |
524 | } | |
525 | } | |
526 | return 0; | |
527 | } | |
528 | ||
529 | static int cbq_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstats) | |
530 | { | |
531 | struct tc_cbq_xstats *st; | |
532 | ||
533 | if (xstats == NULL) | |
534 | return 0; | |
535 | ||
536 | if (RTA_PAYLOAD(xstats) < sizeof(*st)) | |
537 | return -1; | |
538 | ||
539 | st = RTA_DATA(xstats); | |
540 | fprintf(f, " borrowed %u overactions %u avgidle %g undertime %g", st->borrows, | |
541 | st->overactions, (double)st->avgidle, (double)st->undertime); | |
542 | return 0; | |
543 | } | |
544 | ||
545 | struct qdisc_util cbq_util = { | |
546 | NULL, | |
547 | "cbq", | |
548 | cbq_parse_opt, | |
549 | cbq_print_opt, | |
550 | cbq_print_xstats, | |
551 | ||
552 | cbq_parse_class_opt, | |
553 | cbq_print_opt, | |
554 | }; | |
555 |