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Commit | Line | Data |
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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"); | |
292f29b4 | 35 | fprintf(stderr, " [ overhead BYTES ] [ linklayer TYPE ]\n"); |
aba5acdf SH |
36 | } |
37 | ||
38 | static void explain(void) | |
39 | { | |
40 | fprintf(stderr, "Usage: ... cbq bandwidth BPS avpkt BYTES [ mpu BYTES ]\n"); | |
41 | fprintf(stderr, " [ cell BYTES ] [ ewma LOG ]\n"); | |
42 | } | |
43 | ||
44 | static void explain1(char *arg) | |
45 | { | |
46 | fprintf(stderr, "Illegal \"%s\"\n", arg); | |
47 | } | |
48 | ||
aba5acdf SH |
49 | |
50 | static int cbq_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n) | |
51 | { | |
d17b136f PS |
52 | struct tc_ratespec r = {}; |
53 | struct tc_cbq_lssopt lss = {}; | |
aba5acdf | 54 | __u32 rtab[256]; |
32a121cb SH |
55 | unsigned mpu = 0, avpkt = 0, allot = 0; |
56 | unsigned short overhead = 0; | |
292f29b4 | 57 | unsigned int linklayer = LINKLAYER_ETHERNET; /* Assume ethernet */ |
32a121cb SH |
58 | int cell_log = -1; |
59 | int ewma_log = -1; | |
aba5acdf SH |
60 | struct rtattr *tail; |
61 | ||
aba5acdf | 62 | while (argc > 0) { |
1db5e2ec JDB |
63 | if (matches(*argv, "bandwidth") == 0 || |
64 | matches(*argv, "rate") == 0) { | |
aba5acdf SH |
65 | NEXT_ARG(); |
66 | if (get_rate(&r.rate, *argv)) { | |
67 | explain1("bandwidth"); | |
68 | return -1; | |
69 | } | |
1db5e2ec | 70 | } else if (matches(*argv, "ewma") == 0) { |
aba5acdf | 71 | NEXT_ARG(); |
f332d169 | 72 | if (get_integer(&ewma_log, *argv, 0)) { |
aba5acdf SH |
73 | explain1("ewma"); |
74 | return -1; | |
75 | } | |
76 | if (ewma_log > 31) { | |
77 | fprintf(stderr, "ewma_log must be < 32\n"); | |
78 | return -1; | |
79 | } | |
1db5e2ec | 80 | } else if (matches(*argv, "cell") == 0) { |
32a121cb | 81 | unsigned int cell; |
aba5acdf | 82 | int i; |
32a121cb | 83 | |
aba5acdf SH |
84 | NEXT_ARG(); |
85 | if (get_size(&cell, *argv)) { | |
86 | explain1("cell"); | |
87 | return -1; | |
88 | } | |
32a121cb | 89 | for (i = 0; i < 32; i++) |
aba5acdf SH |
90 | if ((1<<i) == cell) |
91 | break; | |
32a121cb | 92 | if (i >= 32) { |
aba5acdf SH |
93 | fprintf(stderr, "cell must be 2^n\n"); |
94 | return -1; | |
95 | } | |
96 | cell_log = i; | |
1db5e2ec | 97 | } else if (matches(*argv, "avpkt") == 0) { |
aba5acdf SH |
98 | NEXT_ARG(); |
99 | if (get_size(&avpkt, *argv)) { | |
100 | explain1("avpkt"); | |
101 | return -1; | |
102 | } | |
1db5e2ec | 103 | } else if (matches(*argv, "mpu") == 0) { |
aba5acdf SH |
104 | NEXT_ARG(); |
105 | if (get_size(&mpu, *argv)) { | |
106 | explain1("mpu"); | |
107 | return -1; | |
108 | } | |
1db5e2ec | 109 | } else if (matches(*argv, "allot") == 0) { |
aba5acdf SH |
110 | NEXT_ARG(); |
111 | /* Accept and ignore "allot" for backward compatibility */ | |
112 | if (get_size(&allot, *argv)) { | |
113 | explain1("allot"); | |
114 | return -1; | |
115 | } | |
08fd0184 JDB |
116 | } else if (matches(*argv, "overhead") == 0) { |
117 | NEXT_ARG(); | |
118 | if (get_u16(&overhead, *argv, 10)) { | |
119 | explain1("overhead"); return -1; | |
120 | } | |
292f29b4 JDB |
121 | } else if (matches(*argv, "linklayer") == 0) { |
122 | NEXT_ARG(); | |
123 | if (get_linklayer(&linklayer, *argv)) { | |
124 | explain1("linklayer"); return -1; | |
125 | } | |
1db5e2ec | 126 | } else if (matches(*argv, "help") == 0) { |
aba5acdf SH |
127 | explain(); |
128 | return -1; | |
129 | } else { | |
130 | fprintf(stderr, "What is \"%s\"?\n", *argv); | |
131 | explain(); | |
132 | return -1; | |
133 | } | |
134 | argc--; argv++; | |
135 | } | |
136 | ||
137 | /* OK. All options are parsed. */ | |
138 | ||
139 | if (r.rate == 0) { | |
140 | fprintf(stderr, "CBQ: bandwidth is required parameter.\n"); | |
141 | return -1; | |
142 | } | |
143 | if (avpkt == 0) { | |
144 | fprintf(stderr, "CBQ: \"avpkt\" is required.\n"); | |
145 | return -1; | |
146 | } | |
147 | if (allot < (avpkt*3)/2) | |
148 | allot = (avpkt*3)/2; | |
149 | ||
d5f46f9c | 150 | r.mpu = mpu; |
08fd0184 | 151 | r.overhead = overhead; |
292f29b4 | 152 | if (tc_calc_rtable(&r, rtab, cell_log, allot, linklayer) < 0) { |
aba5acdf SH |
153 | fprintf(stderr, "CBQ: failed to calculate rate table.\n"); |
154 | return -1; | |
155 | } | |
aba5acdf SH |
156 | |
157 | if (ewma_log < 0) | |
158 | ewma_log = TC_CBQ_DEF_EWMA; | |
159 | lss.ewma_log = ewma_log; | |
476daa72 | 160 | lss.maxidle = tc_calc_xmittime(r.rate, avpkt); |
aba5acdf SH |
161 | lss.change = TCF_CBQ_LSS_MAXIDLE|TCF_CBQ_LSS_EWMA|TCF_CBQ_LSS_AVPKT; |
162 | lss.avpkt = avpkt; | |
163 | ||
034102f2 | 164 | tail = NLMSG_TAIL(n); |
aba5acdf SH |
165 | addattr_l(n, 1024, TCA_OPTIONS, NULL, 0); |
166 | addattr_l(n, 1024, TCA_CBQ_RATE, &r, sizeof(r)); | |
167 | addattr_l(n, 1024, TCA_CBQ_LSSOPT, &lss, sizeof(lss)); | |
168 | addattr_l(n, 3024, TCA_CBQ_RTAB, rtab, 1024); | |
169 | if (show_raw) { | |
170 | int i; | |
32a121cb SH |
171 | |
172 | for (i = 0; i < 256; i++) | |
aba5acdf SH |
173 | printf("%u ", rtab[i]); |
174 | printf("\n"); | |
175 | } | |
034102f2 | 176 | tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; |
aba5acdf SH |
177 | return 0; |
178 | } | |
179 | ||
180 | static int cbq_parse_class_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n) | |
181 | { | |
32a121cb | 182 | int wrr_ok = 0, fopt_ok = 0; |
d17b136f PS |
183 | struct tc_ratespec r = {}; |
184 | struct tc_cbq_lssopt lss = {}; | |
185 | struct tc_cbq_wrropt wrr = {}; | |
186 | struct tc_cbq_fopt fopt = {}; | |
aba5acdf | 187 | __u32 rtab[256]; |
32a121cb SH |
188 | unsigned mpu = 0; |
189 | int cell_log = -1; | |
190 | int ewma_log = -1; | |
191 | unsigned int bndw = 0; | |
192 | unsigned minburst = 0, maxburst = 0; | |
193 | unsigned short overhead = 0; | |
292f29b4 | 194 | unsigned int linklayer = LINKLAYER_ETHERNET; /* Assume ethernet */ |
aba5acdf SH |
195 | struct rtattr *tail; |
196 | ||
aba5acdf | 197 | while (argc > 0) { |
1db5e2ec | 198 | if (matches(*argv, "rate") == 0) { |
aba5acdf SH |
199 | NEXT_ARG(); |
200 | if (get_rate(&r.rate, *argv)) { | |
201 | explain1("rate"); | |
202 | return -1; | |
203 | } | |
1db5e2ec | 204 | } else if (matches(*argv, "bandwidth") == 0) { |
aba5acdf SH |
205 | NEXT_ARG(); |
206 | if (get_rate(&bndw, *argv)) { | |
207 | explain1("bandwidth"); | |
208 | return -1; | |
209 | } | |
1db5e2ec | 210 | } else if (matches(*argv, "minidle") == 0) { |
aba5acdf SH |
211 | NEXT_ARG(); |
212 | if (get_u32(&lss.minidle, *argv, 0)) { | |
213 | explain1("minidle"); | |
214 | return -1; | |
215 | } | |
216 | lss.change |= TCF_CBQ_LSS_MINIDLE; | |
1db5e2ec | 217 | } else if (matches(*argv, "minburst") == 0) { |
aba5acdf SH |
218 | NEXT_ARG(); |
219 | if (get_u32(&minburst, *argv, 0)) { | |
220 | explain1("minburst"); | |
221 | return -1; | |
222 | } | |
223 | lss.change |= TCF_CBQ_LSS_OFFTIME; | |
1db5e2ec | 224 | } else if (matches(*argv, "maxburst") == 0) { |
aba5acdf SH |
225 | NEXT_ARG(); |
226 | if (get_u32(&maxburst, *argv, 0)) { | |
227 | explain1("maxburst"); | |
228 | return -1; | |
229 | } | |
230 | lss.change |= TCF_CBQ_LSS_MAXIDLE; | |
1db5e2ec | 231 | } else if (matches(*argv, "bounded") == 0) { |
aba5acdf SH |
232 | lss.flags |= TCF_CBQ_LSS_BOUNDED; |
233 | lss.change |= TCF_CBQ_LSS_FLAGS; | |
1db5e2ec | 234 | } else if (matches(*argv, "borrow") == 0) { |
aba5acdf SH |
235 | lss.flags &= ~TCF_CBQ_LSS_BOUNDED; |
236 | lss.change |= TCF_CBQ_LSS_FLAGS; | |
1db5e2ec | 237 | } else if (matches(*argv, "isolated") == 0) { |
aba5acdf SH |
238 | lss.flags |= TCF_CBQ_LSS_ISOLATED; |
239 | lss.change |= TCF_CBQ_LSS_FLAGS; | |
1db5e2ec | 240 | } else if (matches(*argv, "sharing") == 0) { |
aba5acdf SH |
241 | lss.flags &= ~TCF_CBQ_LSS_ISOLATED; |
242 | lss.change |= TCF_CBQ_LSS_FLAGS; | |
1db5e2ec | 243 | } else if (matches(*argv, "ewma") == 0) { |
aba5acdf | 244 | NEXT_ARG(); |
f332d169 | 245 | if (get_integer(&ewma_log, *argv, 0)) { |
aba5acdf SH |
246 | explain1("ewma"); |
247 | return -1; | |
248 | } | |
249 | if (ewma_log > 31) { | |
250 | fprintf(stderr, "ewma_log must be < 32\n"); | |
251 | return -1; | |
252 | } | |
253 | lss.change |= TCF_CBQ_LSS_EWMA; | |
1db5e2ec | 254 | } else if (matches(*argv, "cell") == 0) { |
32a121cb | 255 | unsigned int cell; |
aba5acdf | 256 | int i; |
32a121cb | 257 | |
aba5acdf SH |
258 | NEXT_ARG(); |
259 | if (get_size(&cell, *argv)) { | |
260 | explain1("cell"); | |
261 | return -1; | |
262 | } | |
32a121cb | 263 | for (i = 0; i < 32; i++) |
aba5acdf SH |
264 | if ((1<<i) == cell) |
265 | break; | |
32a121cb | 266 | if (i >= 32) { |
aba5acdf SH |
267 | fprintf(stderr, "cell must be 2^n\n"); |
268 | return -1; | |
269 | } | |
270 | cell_log = i; | |
1db5e2ec | 271 | } else if (matches(*argv, "prio") == 0) { |
32a121cb SH |
272 | unsigned int prio; |
273 | ||
aba5acdf SH |
274 | NEXT_ARG(); |
275 | if (get_u32(&prio, *argv, 0)) { | |
276 | explain1("prio"); | |
277 | return -1; | |
278 | } | |
279 | if (prio > TC_CBQ_MAXPRIO) { | |
280 | fprintf(stderr, "\"prio\" must be number in the range 1...%d\n", TC_CBQ_MAXPRIO); | |
281 | return -1; | |
282 | } | |
283 | wrr.priority = prio; | |
284 | wrr_ok++; | |
1db5e2ec | 285 | } else if (matches(*argv, "allot") == 0) { |
aba5acdf SH |
286 | NEXT_ARG(); |
287 | if (get_size(&wrr.allot, *argv)) { | |
288 | explain1("allot"); | |
289 | return -1; | |
290 | } | |
1db5e2ec | 291 | } else if (matches(*argv, "avpkt") == 0) { |
aba5acdf SH |
292 | NEXT_ARG(); |
293 | if (get_size(&lss.avpkt, *argv)) { | |
294 | explain1("avpkt"); | |
295 | return -1; | |
296 | } | |
297 | lss.change |= TCF_CBQ_LSS_AVPKT; | |
1db5e2ec | 298 | } else if (matches(*argv, "mpu") == 0) { |
aba5acdf SH |
299 | NEXT_ARG(); |
300 | if (get_size(&mpu, *argv)) { | |
301 | explain1("mpu"); | |
302 | return -1; | |
303 | } | |
1db5e2ec | 304 | } else if (matches(*argv, "weight") == 0) { |
aba5acdf SH |
305 | NEXT_ARG(); |
306 | if (get_size(&wrr.weight, *argv)) { | |
307 | explain1("weight"); | |
308 | return -1; | |
309 | } | |
310 | wrr_ok++; | |
1db5e2ec | 311 | } else if (matches(*argv, "split") == 0) { |
aba5acdf SH |
312 | NEXT_ARG(); |
313 | if (get_tc_classid(&fopt.split, *argv)) { | |
314 | fprintf(stderr, "Invalid split node ID.\n"); | |
8d8de113 | 315 | return -1; |
aba5acdf SH |
316 | } |
317 | fopt_ok++; | |
1db5e2ec | 318 | } else if (matches(*argv, "defmap") == 0) { |
aba5acdf | 319 | int err; |
32a121cb | 320 | |
aba5acdf SH |
321 | NEXT_ARG(); |
322 | err = sscanf(*argv, "%08x/%08x", &fopt.defmap, &fopt.defchange); | |
323 | if (err < 1) { | |
324 | fprintf(stderr, "Invalid defmap, should be MASK32[/MASK]\n"); | |
325 | return -1; | |
326 | } | |
327 | if (err == 1) | |
328 | fopt.defchange = ~0; | |
329 | fopt_ok++; | |
08fd0184 JDB |
330 | } else if (matches(*argv, "overhead") == 0) { |
331 | NEXT_ARG(); | |
332 | if (get_u16(&overhead, *argv, 10)) { | |
333 | explain1("overhead"); return -1; | |
334 | } | |
292f29b4 JDB |
335 | } else if (matches(*argv, "linklayer") == 0) { |
336 | NEXT_ARG(); | |
337 | if (get_linklayer(&linklayer, *argv)) { | |
338 | explain1("linklayer"); return -1; | |
339 | } | |
1db5e2ec | 340 | } else if (matches(*argv, "help") == 0) { |
aba5acdf SH |
341 | explain_class(); |
342 | return -1; | |
343 | } else { | |
344 | fprintf(stderr, "What is \"%s\"?\n", *argv); | |
345 | explain_class(); | |
346 | return -1; | |
347 | } | |
348 | argc--; argv++; | |
349 | } | |
350 | ||
351 | /* OK. All options are parsed. */ | |
352 | ||
353 | /* 1. Prepare link sharing scheduler parameters */ | |
354 | if (r.rate) { | |
32a121cb SH |
355 | unsigned int pktsize = wrr.allot; |
356 | ||
aba5acdf SH |
357 | if (wrr.allot < (lss.avpkt*3)/2) |
358 | wrr.allot = (lss.avpkt*3)/2; | |
d5f46f9c | 359 | r.mpu = mpu; |
08fd0184 | 360 | r.overhead = overhead; |
292f29b4 | 361 | if (tc_calc_rtable(&r, rtab, cell_log, pktsize, linklayer) < 0) { |
aba5acdf SH |
362 | fprintf(stderr, "CBQ: failed to calculate rate table.\n"); |
363 | return -1; | |
364 | } | |
aba5acdf SH |
365 | } |
366 | if (ewma_log < 0) | |
367 | ewma_log = TC_CBQ_DEF_EWMA; | |
368 | lss.ewma_log = ewma_log; | |
369 | if (lss.change&(TCF_CBQ_LSS_OFFTIME|TCF_CBQ_LSS_MAXIDLE)) { | |
370 | if (lss.avpkt == 0) { | |
371 | fprintf(stderr, "CBQ: avpkt is required for max/minburst.\n"); | |
372 | return -1; | |
373 | } | |
32a121cb | 374 | if (bndw == 0 || r.rate == 0) { |
aba5acdf SH |
375 | fprintf(stderr, "CBQ: bandwidth&rate are required for max/minburst.\n"); |
376 | return -1; | |
377 | } | |
378 | } | |
379 | if (wrr.priority == 0 && (n->nlmsg_flags&NLM_F_EXCL)) { | |
380 | wrr_ok = 1; | |
381 | wrr.priority = TC_CBQ_MAXPRIO; | |
382 | if (wrr.allot == 0) | |
383 | wrr.allot = (lss.avpkt*3)/2; | |
384 | } | |
385 | if (wrr_ok) { | |
386 | if (wrr.weight == 0) | |
387 | wrr.weight = (wrr.priority == TC_CBQ_MAXPRIO) ? 1 : r.rate; | |
388 | if (wrr.allot == 0) { | |
389 | fprintf(stderr, "CBQ: \"allot\" is required to set WRR parameters.\n"); | |
390 | return -1; | |
391 | } | |
392 | } | |
393 | if (lss.change&TCF_CBQ_LSS_MAXIDLE) { | |
394 | lss.maxidle = tc_cbq_calc_maxidle(bndw, r.rate, lss.avpkt, ewma_log, maxburst); | |
395 | lss.change |= TCF_CBQ_LSS_MAXIDLE; | |
396 | lss.change |= TCF_CBQ_LSS_EWMA|TCF_CBQ_LSS_AVPKT; | |
397 | } | |
398 | if (lss.change&TCF_CBQ_LSS_OFFTIME) { | |
399 | lss.offtime = tc_cbq_calc_offtime(bndw, r.rate, lss.avpkt, ewma_log, minburst); | |
400 | lss.change |= TCF_CBQ_LSS_OFFTIME; | |
401 | lss.change |= TCF_CBQ_LSS_EWMA|TCF_CBQ_LSS_AVPKT; | |
402 | } | |
403 | if (lss.change&TCF_CBQ_LSS_MINIDLE) { | |
404 | lss.minidle <<= lss.ewma_log; | |
405 | lss.change |= TCF_CBQ_LSS_EWMA; | |
406 | } | |
407 | ||
034102f2 | 408 | tail = NLMSG_TAIL(n); |
aba5acdf SH |
409 | addattr_l(n, 1024, TCA_OPTIONS, NULL, 0); |
410 | if (lss.change) { | |
411 | lss.change |= TCF_CBQ_LSS_FLAGS; | |
412 | addattr_l(n, 1024, TCA_CBQ_LSSOPT, &lss, sizeof(lss)); | |
413 | } | |
414 | if (wrr_ok) | |
415 | addattr_l(n, 1024, TCA_CBQ_WRROPT, &wrr, sizeof(wrr)); | |
416 | if (fopt_ok) | |
417 | addattr_l(n, 1024, TCA_CBQ_FOPT, &fopt, sizeof(fopt)); | |
418 | if (r.rate) { | |
419 | addattr_l(n, 1024, TCA_CBQ_RATE, &r, sizeof(r)); | |
420 | addattr_l(n, 3024, TCA_CBQ_RTAB, rtab, 1024); | |
421 | if (show_raw) { | |
422 | int i; | |
32a121cb SH |
423 | |
424 | for (i = 0; i < 256; i++) | |
aba5acdf SH |
425 | printf("%u ", rtab[i]); |
426 | printf("\n"); | |
427 | } | |
428 | } | |
034102f2 | 429 | tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; |
aba5acdf SH |
430 | return 0; |
431 | } | |
432 | ||
433 | ||
434 | static int cbq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) | |
435 | { | |
436 | struct rtattr *tb[TCA_CBQ_MAX+1]; | |
437 | struct tc_ratespec *r = NULL; | |
438 | struct tc_cbq_lssopt *lss = NULL; | |
439 | struct tc_cbq_wrropt *wrr = NULL; | |
440 | struct tc_cbq_fopt *fopt = NULL; | |
441 | struct tc_cbq_ovl *ovl = NULL; | |
3e92ff52 | 442 | unsigned int linklayer; |
32a121cb | 443 | |
bd29e35d | 444 | SPRINT_BUF(b1); |
3e92ff52 | 445 | SPRINT_BUF(b2); |
aba5acdf SH |
446 | |
447 | if (opt == NULL) | |
448 | return 0; | |
449 | ||
021ed13f | 450 | parse_rtattr_nested(tb, TCA_CBQ_MAX, opt); |
aba5acdf SH |
451 | |
452 | if (tb[TCA_CBQ_RATE]) { | |
453 | if (RTA_PAYLOAD(tb[TCA_CBQ_RATE]) < sizeof(*r)) | |
454 | fprintf(stderr, "CBQ: too short rate opt\n"); | |
455 | else | |
456 | r = RTA_DATA(tb[TCA_CBQ_RATE]); | |
457 | } | |
458 | if (tb[TCA_CBQ_LSSOPT]) { | |
459 | if (RTA_PAYLOAD(tb[TCA_CBQ_LSSOPT]) < sizeof(*lss)) | |
460 | fprintf(stderr, "CBQ: too short lss opt\n"); | |
461 | else | |
462 | lss = RTA_DATA(tb[TCA_CBQ_LSSOPT]); | |
463 | } | |
464 | if (tb[TCA_CBQ_WRROPT]) { | |
465 | if (RTA_PAYLOAD(tb[TCA_CBQ_WRROPT]) < sizeof(*wrr)) | |
466 | fprintf(stderr, "CBQ: too short wrr opt\n"); | |
467 | else | |
468 | wrr = RTA_DATA(tb[TCA_CBQ_WRROPT]); | |
469 | } | |
470 | if (tb[TCA_CBQ_FOPT]) { | |
471 | if (RTA_PAYLOAD(tb[TCA_CBQ_FOPT]) < sizeof(*fopt)) | |
472 | fprintf(stderr, "CBQ: too short fopt\n"); | |
473 | else | |
474 | fopt = RTA_DATA(tb[TCA_CBQ_FOPT]); | |
475 | } | |
476 | if (tb[TCA_CBQ_OVL_STRATEGY]) { | |
477 | if (RTA_PAYLOAD(tb[TCA_CBQ_OVL_STRATEGY]) < sizeof(*ovl)) | |
478 | fprintf(stderr, "CBQ: too short overlimit strategy %u/%u\n", | |
32a121cb SH |
479 | (unsigned int) RTA_PAYLOAD(tb[TCA_CBQ_OVL_STRATEGY]), |
480 | (unsigned int) sizeof(*ovl)); | |
aba5acdf SH |
481 | else |
482 | ovl = RTA_DATA(tb[TCA_CBQ_OVL_STRATEGY]); | |
483 | } | |
484 | ||
485 | if (r) { | |
486 | char buf[64]; | |
32a121cb | 487 | |
aba5acdf SH |
488 | print_rate(buf, sizeof(buf), r->rate); |
489 | fprintf(f, "rate %s ", buf); | |
3e92ff52 JDB |
490 | linklayer = (r->linklayer & TC_LINKLAYER_MASK); |
491 | if (linklayer > TC_LINKLAYER_ETHERNET || show_details) | |
492 | fprintf(f, "linklayer %s ", sprint_linklayer(linklayer, b2)); | |
aba5acdf SH |
493 | if (show_details) { |
494 | fprintf(f, "cell %ub ", 1<<r->cell_log); | |
495 | if (r->mpu) | |
496 | fprintf(f, "mpu %ub ", r->mpu); | |
08fd0184 JDB |
497 | if (r->overhead) |
498 | fprintf(f, "overhead %ub ", r->overhead); | |
aba5acdf SH |
499 | } |
500 | } | |
501 | if (lss && lss->flags) { | |
32a121cb SH |
502 | int comma = 0; |
503 | ||
aba5acdf SH |
504 | fprintf(f, "("); |
505 | if (lss->flags&TCF_CBQ_LSS_BOUNDED) { | |
506 | fprintf(f, "bounded"); | |
32a121cb | 507 | comma = 1; |
aba5acdf SH |
508 | } |
509 | if (lss->flags&TCF_CBQ_LSS_ISOLATED) { | |
510 | if (comma) | |
511 | fprintf(f, ","); | |
512 | fprintf(f, "isolated"); | |
513 | } | |
514 | fprintf(f, ") "); | |
515 | } | |
516 | if (wrr) { | |
517 | if (wrr->priority != TC_CBQ_MAXPRIO) | |
518 | fprintf(f, "prio %u", wrr->priority); | |
519 | else | |
520 | fprintf(f, "prio no-transmit"); | |
521 | if (show_details) { | |
522 | char buf[64]; | |
32a121cb | 523 | |
aba5acdf SH |
524 | fprintf(f, "/%u ", wrr->cpriority); |
525 | if (wrr->weight != 1) { | |
526 | print_rate(buf, sizeof(buf), wrr->weight); | |
527 | fprintf(f, "weight %s ", buf); | |
528 | } | |
529 | if (wrr->allot) | |
530 | fprintf(f, "allot %ub ", wrr->allot); | |
531 | } | |
532 | } | |
533 | if (lss && show_details) { | |
534 | fprintf(f, "\nlevel %u ewma %u avpkt %ub ", lss->level, lss->ewma_log, lss->avpkt); | |
535 | if (lss->maxidle) { | |
bd29e35d | 536 | fprintf(f, "maxidle %s ", sprint_ticks(lss->maxidle>>lss->ewma_log, b1)); |
aba5acdf SH |
537 | if (show_raw) |
538 | fprintf(f, "[%08x] ", lss->maxidle); | |
539 | } | |
32a121cb | 540 | if (lss->minidle != 0x7fffffff) { |
bd29e35d | 541 | fprintf(f, "minidle %s ", sprint_ticks(lss->minidle>>lss->ewma_log, b1)); |
aba5acdf SH |
542 | if (show_raw) |
543 | fprintf(f, "[%08x] ", lss->minidle); | |
544 | } | |
545 | if (lss->offtime) { | |
bd29e35d | 546 | fprintf(f, "offtime %s ", sprint_ticks(lss->offtime, b1)); |
aba5acdf SH |
547 | if (show_raw) |
548 | fprintf(f, "[%08x] ", lss->offtime); | |
549 | } | |
550 | } | |
551 | if (fopt && show_details) { | |
552 | char buf[64]; | |
32a121cb | 553 | |
aba5acdf SH |
554 | print_tc_classid(buf, sizeof(buf), fopt->split); |
555 | fprintf(f, "\nsplit %s ", buf); | |
556 | if (fopt->defmap) { | |
557 | fprintf(f, "defmap %08x", fopt->defmap); | |
558 | } | |
559 | } | |
560 | return 0; | |
561 | } | |
562 | ||
563 | static int cbq_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstats) | |
564 | { | |
565 | struct tc_cbq_xstats *st; | |
566 | ||
567 | if (xstats == NULL) | |
568 | return 0; | |
569 | ||
570 | if (RTA_PAYLOAD(xstats) < sizeof(*st)) | |
571 | return -1; | |
572 | ||
573 | st = RTA_DATA(xstats); | |
574 | fprintf(f, " borrowed %u overactions %u avgidle %g undertime %g", st->borrows, | |
575 | st->overactions, (double)st->avgidle, (double)st->undertime); | |
576 | return 0; | |
577 | } | |
578 | ||
95812b56 | 579 | struct qdisc_util cbq_qdisc_util = { |
f2f99e2e SH |
580 | .id = "cbq", |
581 | .parse_qopt = cbq_parse_opt, | |
582 | .print_qopt = cbq_print_opt, | |
583 | .print_xstats = cbq_print_xstats, | |
584 | .parse_copt = cbq_parse_class_opt, | |
585 | .print_copt = cbq_print_opt, | |
aba5acdf | 586 | }; |