iproute2: cake AQM prepare tc for COBALT algorithm
[openwrt/openwrt.git] / package / network / utils / iproute2 / patches / 950-add-cake-to-tc.patch
1 --- a/include/linux/pkt_sched.h
2 +++ b/include/linux/pkt_sched.h
3 @@ -877,4 +877,56 @@ struct tc_pie_xstats {
4 __u32 maxq; /* maximum queue size */
5 __u32 ecn_mark; /* packets marked with ecn*/
6 };
7 +
8 +/* CAKE */
9 +enum {
10 + TCA_CAKE_UNSPEC,
11 + TCA_CAKE_BASE_RATE,
12 + TCA_CAKE_DIFFSERV_MODE,
13 + TCA_CAKE_ATM,
14 + TCA_CAKE_FLOW_MODE,
15 + TCA_CAKE_OVERHEAD,
16 + TCA_CAKE_RTT,
17 + TCA_CAKE_TARGET,
18 + TCA_CAKE_AUTORATE,
19 + TCA_CAKE_MEMORY,
20 + __TCA_CAKE_MAX
21 +};
22 +#define TCA_CAKE_MAX (__TCA_CAKE_MAX - 1)
23 +
24 +struct tc_cake_traffic_stats {
25 + __u32 packets;
26 + __u32 link_ms;
27 + __u64 bytes;
28 +};
29 +
30 +#define TC_CAKE_MAX_TINS (8)
31 +struct tc_cake_xstats {
32 + __u16 version; /* == 4, increments when struct extended */
33 + __u8 max_tins; /* == TC_CAKE_MAX_TINS */
34 + __u8 tin_cnt; /* <= TC_CAKE_MAX_TINS */
35 +
36 + __u32 threshold_rate [TC_CAKE_MAX_TINS];
37 + __u32 target_us [TC_CAKE_MAX_TINS];
38 + struct tc_cake_traffic_stats sent [TC_CAKE_MAX_TINS];
39 + struct tc_cake_traffic_stats dropped [TC_CAKE_MAX_TINS];
40 + struct tc_cake_traffic_stats ecn_marked[TC_CAKE_MAX_TINS];
41 + struct tc_cake_traffic_stats backlog [TC_CAKE_MAX_TINS];
42 + __u32 interval_us [TC_CAKE_MAX_TINS];
43 + __u32 way_indirect_hits[TC_CAKE_MAX_TINS];
44 + __u32 way_misses [TC_CAKE_MAX_TINS];
45 + __u32 way_collisions [TC_CAKE_MAX_TINS];
46 + __u32 peak_delay_us [TC_CAKE_MAX_TINS]; /* ~= delay to bulk flows */
47 + __u32 avge_delay_us [TC_CAKE_MAX_TINS];
48 + __u32 base_delay_us [TC_CAKE_MAX_TINS]; /* ~= delay to sparse flows */
49 + __u16 sparse_flows [TC_CAKE_MAX_TINS];
50 + __u16 bulk_flows [TC_CAKE_MAX_TINS];
51 + __u16 unresponse_flows [TC_CAKE_MAX_TINS]; /* v4 - was u32 last_len */
52 + __u16 spare [TC_CAKE_MAX_TINS]; /* v4 - split last_len */
53 + __u32 max_skblen [TC_CAKE_MAX_TINS];
54 + __u32 capacity_estimate; /* version 2 */
55 + __u32 memory_limit; /* version 3 */
56 + __u32 memory_used; /* version 3 */
57 +};
58 +
59 #endif
60 --- a/tc/Makefile
61 +++ b/tc/Makefile
62 @@ -64,6 +64,7 @@ TCMODULES += q_codel.o
63 TCMODULES += q_fq_codel.o
64 TCMODULES += q_fq.o
65 TCMODULES += q_pie.o
66 +TCMODULES += q_cake.o
67 TCMODULES += q_hhf.o
68 TCMODULES += e_bpf.o
69
70 --- /dev/null
71 +++ b/tc/q_cake.c
72 @@ -0,0 +1,600 @@
73 +/*
74 + * Common Applications Kept Enhanced -- CAKE
75 + *
76 + * Copyright (C) 2014-2015 Jonathan Morton <chromatix99@gmail.com>
77 + *
78 + * Redistribution and use in source and binary forms, with or without
79 + * modification, are permitted provided that the following conditions
80 + * are met:
81 + * 1. Redistributions of source code must retain the above copyright
82 + * notice, this list of conditions, and the following disclaimer,
83 + * without modification.
84 + * 2. Redistributions in binary form must reproduce the above copyright
85 + * notice, this list of conditions and the following disclaimer in the
86 + * documentation and/or other materials provided with the distribution.
87 + * 3. The names of the authors may not be used to endorse or promote products
88 + * derived from this software without specific prior written permission.
89 + *
90 + * Alternatively, provided that this notice is retained in full, this
91 + * software may be distributed under the terms of the GNU General
92 + * Public License ("GPL") version 2, in which case the provisions of the
93 + * GPL apply INSTEAD OF those given above.
94 + *
95 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
96 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
97 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
98 + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
99 + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
100 + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
101 + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
102 + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
103 + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
104 + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
105 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
106 + * DAMAGE.
107 + *
108 + */
109 +
110 +#include <stddef.h>
111 +#include <stdio.h>
112 +#include <stdlib.h>
113 +#include <unistd.h>
114 +#include <syslog.h>
115 +#include <fcntl.h>
116 +#include <sys/socket.h>
117 +#include <netinet/in.h>
118 +#include <arpa/inet.h>
119 +#include <string.h>
120 +
121 +#include "utils.h"
122 +#include "tc_util.h"
123 +
124 +static void explain(void)
125 +{
126 + fprintf(stderr, "Usage: ... cake [ bandwidth RATE | unlimited* | autorate_ingress ]\n"
127 + " [ rtt TIME | datacentre | lan | metro | regional | internet* | oceanic | satellite | interplanetary ]\n"
128 + " [ besteffort | precedence | diffserv8 | diffserv4* ]\n"
129 + " [ flowblind | srchost | dsthost | hosts | flows* | dual-srchost | dual-dsthost | triple-isolate ]\n"
130 + " [ atm | noatm* ] [ overhead N | conservative | raw* ]\n"
131 + " [ memlimit LIMIT ]\n"
132 + " (* marks defaults)\n");
133 +}
134 +
135 +static int cake_parse_opt(struct qdisc_util *qu, int argc, char **argv,
136 + struct nlmsghdr *n)
137 +{
138 + int unlimited = 0;
139 + unsigned bandwidth = 0;
140 + unsigned interval = 0;
141 + unsigned target = 0;
142 + unsigned diffserv = 0;
143 + unsigned memlimit = 0;
144 + int overhead = 0;
145 + bool overhead_set = false;
146 + int flowmode = -1;
147 + int atm = -1;
148 + int autorate = -1;
149 + struct rtattr *tail;
150 +
151 + while (argc > 0) {
152 + if (strcmp(*argv, "bandwidth") == 0) {
153 + NEXT_ARG();
154 + if (get_rate(&bandwidth, *argv)) {
155 + fprintf(stderr, "Illegal \"bandwidth\"\n");
156 + return -1;
157 + }
158 + unlimited = 0;
159 + autorate = 0;
160 + } else if (strcmp(*argv, "unlimited") == 0) {
161 + bandwidth = 0;
162 + unlimited = 1;
163 + autorate = 0;
164 + } else if (strcmp(*argv, "autorate_ingress") == 0) {
165 + autorate = 1;
166 +
167 + } else if (strcmp(*argv, "rtt") == 0) {
168 + NEXT_ARG();
169 + if (get_time(&interval, *argv)) {
170 + fprintf(stderr, "Illegal \"rtt\"\n");
171 + return -1;
172 + }
173 + target = interval / 20;
174 + if(!target)
175 + target = 1;
176 + } else if (strcmp(*argv, "datacentre") == 0) {
177 + interval = 100;
178 + target = 5;
179 + } else if (strcmp(*argv, "lan") == 0) {
180 + interval = 1000;
181 + target = 50;
182 + } else if (strcmp(*argv, "metro") == 0) {
183 + interval = 10000;
184 + target = 500;
185 + } else if (strcmp(*argv, "regional") == 0) {
186 + interval = 30000;
187 + target = 1500;
188 + } else if (strcmp(*argv, "internet") == 0) {
189 + interval = 100000;
190 + target = 5000;
191 + } else if (strcmp(*argv, "oceanic") == 0) {
192 + interval = 300000;
193 + target = 15000;
194 + } else if (strcmp(*argv, "satellite") == 0) {
195 + interval = 1000000;
196 + target = 50000;
197 + } else if (strcmp(*argv, "interplanetary") == 0) {
198 + interval = 3600000000U;
199 + target = 5000;
200 +
201 + } else if (strcmp(*argv, "besteffort") == 0) {
202 + diffserv = 1;
203 + } else if (strcmp(*argv, "precedence") == 0) {
204 + diffserv = 2;
205 + } else if (strcmp(*argv, "diffserv8") == 0) {
206 + diffserv = 3;
207 + } else if (strcmp(*argv, "diffserv4") == 0) {
208 + diffserv = 4;
209 + } else if (strcmp(*argv, "diffserv") == 0) {
210 + diffserv = 4;
211 + } else if (strcmp(*argv, "diffserv-llt") == 0) {
212 + diffserv = 5;
213 +
214 + } else if (strcmp(*argv, "flowblind") == 0) {
215 + flowmode = 0;
216 + } else if (strcmp(*argv, "srchost") == 0) {
217 + flowmode = 1;
218 + } else if (strcmp(*argv, "dsthost") == 0) {
219 + flowmode = 2;
220 + } else if (strcmp(*argv, "hosts") == 0) {
221 + flowmode = 3;
222 + } else if (strcmp(*argv, "flows") == 0) {
223 + flowmode = 4;
224 + } else if (strcmp(*argv, "dual-srchost") == 0) {
225 + flowmode = 5;
226 + } else if (strcmp(*argv, "dual-dsthost") == 0) {
227 + flowmode = 6;
228 + } else if (strcmp(*argv, "triple-isolate") == 0) {
229 + flowmode = 7;
230 +
231 + } else if (strcmp(*argv, "atm") == 0) {
232 + atm = 1;
233 + } else if (strcmp(*argv, "noatm") == 0) {
234 + atm = 0;
235 +
236 + } else if (strcmp(*argv, "raw") == 0) {
237 + atm = 0;
238 + overhead = 0;
239 + overhead_set = true;
240 + } else if (strcmp(*argv, "conservative") == 0) {
241 + /*
242 + * Deliberately over-estimate overhead:
243 + * one whole ATM cell plus ATM framing.
244 + * A safe choice if the actual overhead is unknown.
245 + */
246 + atm = 1;
247 + overhead = 48;
248 + overhead_set = true;
249 +
250 + /* Various ADSL framing schemes */
251 + } else if (strcmp(*argv, "ipoa-vcmux") == 0) {
252 + atm = 1;
253 + overhead += 8;
254 + overhead_set = true;
255 + } else if (strcmp(*argv, "ipoa-llcsnap") == 0) {
256 + atm = 1;
257 + overhead += 16;
258 + overhead_set = true;
259 + } else if (strcmp(*argv, "bridged-vcmux") == 0) {
260 + atm = 1;
261 + overhead += 24;
262 + overhead_set = true;
263 + } else if (strcmp(*argv, "bridged-llcsnap") == 0) {
264 + atm = 1;
265 + overhead += 32;
266 + overhead_set = true;
267 + } else if (strcmp(*argv, "pppoa-vcmux") == 0) {
268 + atm = 1;
269 + overhead += 10;
270 + overhead_set = true;
271 + } else if (strcmp(*argv, "pppoa-llc") == 0) {
272 + atm = 1;
273 + overhead += 14;
274 + overhead_set = true;
275 + } else if (strcmp(*argv, "pppoe-vcmux") == 0) {
276 + atm = 1;
277 + overhead += 32;
278 + overhead_set = true;
279 + } else if (strcmp(*argv, "pppoe-llcsnap") == 0) {
280 + atm = 1;
281 + overhead += 40;
282 + overhead_set = true;
283 +
284 + /* Typical VDSL2 framing schemes */
285 + /* NB: PTM includes HDLC's 0x7D/7E expansion, adds extra 1/128 */
286 + } else if (strcmp(*argv, "pppoe-ptm") == 0) {
287 + atm = 0;
288 + overhead += 27;
289 + } else if (strcmp(*argv, "bridged-ptm") == 0) {
290 + atm = 0;
291 + overhead += 19;
292 +
293 + } else if (strcmp(*argv, "via-ethernet") == 0) {
294 + /*
295 + * The above overheads are relative to an IP packet,
296 + * but if the physical interface is Ethernet, Linux
297 + * includes Ethernet framing overhead already.
298 + */
299 + overhead -= 14;
300 + overhead_set = true;
301 +
302 + /* Additional Ethernet-related overheads used by some ISPs */
303 + } else if (strcmp(*argv, "ether-phy") == 0) {
304 + /* ethernet pre-amble & interframe gap 20 bytes
305 + * Linux will have already accounted for MACs & frame type 14 bytes
306 + * you probably want to add an FCS as well*/
307 + overhead += 20;
308 + overhead_set = true;
309 + } else if (strcmp(*argv, "ether-all") == 0) {
310 + /* ethernet pre-amble & interframe gap & FCS
311 + * Linux will have already accounted for MACs & frame type 14 bytes
312 + * you may need to add vlan tag*/
313 + overhead += 24;
314 + overhead_set = true;
315 +
316 + } else if (strcmp(*argv, "ether-fcs") == 0) {
317 + /* Frame Check Sequence */
318 + /* we ignore the minimum frame size, because IP packets usually meet it */
319 + overhead += 4;
320 + overhead_set = true;
321 + } else if (strcmp(*argv, "ether-vlan") == 0) {
322 + /* 802.1q VLAN tag - may be repeated */
323 + overhead += 4;
324 + overhead_set = true;
325 +
326 + } else if (strcmp(*argv, "overhead") == 0) {
327 + char* p = NULL;
328 + NEXT_ARG();
329 + overhead = strtol(*argv, &p, 10);
330 + if(!p || *p || !*argv || overhead < -64 || overhead > 256) {
331 + fprintf(stderr, "Illegal \"overhead\", valid range is -64 to 256\\n");
332 + return -1;
333 + }
334 + overhead_set = true;
335 +
336 + } else if (strcmp(*argv, "memlimit") == 0) {
337 + NEXT_ARG();
338 + if(get_size(&memlimit, *argv)) {
339 + fprintf(stderr, "Illegal value for \"memlimit\": \"%s\"\n", *argv);
340 + return -1;
341 + }
342 +
343 + } else if (strcmp(*argv, "help") == 0) {
344 + explain();
345 + return -1;
346 + } else {
347 + fprintf(stderr, "What is \"%s\"?\n", *argv);
348 + explain();
349 + return -1;
350 + }
351 + argc--; argv++;
352 + }
353 +
354 + tail = NLMSG_TAIL(n);
355 + addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
356 + if (bandwidth || unlimited)
357 + addattr_l(n, 1024, TCA_CAKE_BASE_RATE, &bandwidth, sizeof(bandwidth));
358 + if (diffserv)
359 + addattr_l(n, 1024, TCA_CAKE_DIFFSERV_MODE, &diffserv, sizeof(diffserv));
360 + if (atm != -1)
361 + addattr_l(n, 1024, TCA_CAKE_ATM, &atm, sizeof(atm));
362 + if (flowmode != -1)
363 + addattr_l(n, 1024, TCA_CAKE_FLOW_MODE, &flowmode, sizeof(flowmode));
364 + if (overhead_set)
365 + addattr_l(n, 1024, TCA_CAKE_OVERHEAD, &overhead, sizeof(overhead));
366 + if (interval)
367 + addattr_l(n, 1024, TCA_CAKE_RTT, &interval, sizeof(interval));
368 + if (target)
369 + addattr_l(n, 1024, TCA_CAKE_TARGET, &target, sizeof(target));
370 + if (autorate != -1)
371 + addattr_l(n, 1024, TCA_CAKE_AUTORATE, &autorate, sizeof(autorate));
372 + if (memlimit)
373 + addattr_l(n, 1024, TCA_CAKE_MEMORY, &memlimit, sizeof(memlimit));
374 +
375 + tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
376 + return 0;
377 +}
378 +
379 +
380 +static int cake_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
381 +{
382 + struct rtattr *tb[TCA_CAKE_MAX + 1];
383 + unsigned bandwidth = 0;
384 + unsigned diffserv = 0;
385 + unsigned flowmode = 0;
386 + unsigned interval = 0;
387 + unsigned memlimit = 0;
388 + int overhead = 0;
389 + int atm = 0;
390 + int autorate = 0;
391 + SPRINT_BUF(b1);
392 + SPRINT_BUF(b2);
393 +
394 + if (opt == NULL)
395 + return 0;
396 +
397 + parse_rtattr_nested(tb, TCA_CAKE_MAX, opt);
398 +
399 + if (tb[TCA_CAKE_BASE_RATE] &&
400 + RTA_PAYLOAD(tb[TCA_CAKE_BASE_RATE]) >= sizeof(__u32)) {
401 + bandwidth = rta_getattr_u32(tb[TCA_CAKE_BASE_RATE]);
402 + if(bandwidth)
403 + fprintf(f, "bandwidth %s ", sprint_rate(bandwidth, b1));
404 + else
405 + fprintf(f, "unlimited ");
406 + }
407 + if (tb[TCA_CAKE_AUTORATE] &&
408 + RTA_PAYLOAD(tb[TCA_CAKE_AUTORATE]) >= sizeof(__u32)) {
409 + autorate = rta_getattr_u32(tb[TCA_CAKE_AUTORATE]);
410 + if(autorate == 1)
411 + fprintf(f, "autorate_ingress ");
412 + else if(autorate)
413 + fprintf(f, "(?autorate?) ");
414 + }
415 + if (tb[TCA_CAKE_DIFFSERV_MODE] &&
416 + RTA_PAYLOAD(tb[TCA_CAKE_DIFFSERV_MODE]) >= sizeof(__u32)) {
417 + diffserv = rta_getattr_u32(tb[TCA_CAKE_DIFFSERV_MODE]);
418 + switch(diffserv) {
419 + case 1:
420 + fprintf(f, "besteffort ");
421 + break;
422 + case 2:
423 + fprintf(f, "precedence ");
424 + break;
425 + case 3:
426 + fprintf(f, "diffserv8 ");
427 + break;
428 + case 4:
429 + fprintf(f, "diffserv4 ");
430 + break;
431 + case 5:
432 + fprintf(f, "diffserv-llt ");
433 + break;
434 + default:
435 + fprintf(f, "(?diffserv?) ");
436 + break;
437 + };
438 + }
439 + if (tb[TCA_CAKE_FLOW_MODE] &&
440 + RTA_PAYLOAD(tb[TCA_CAKE_FLOW_MODE]) >= sizeof(__u32)) {
441 + flowmode = rta_getattr_u32(tb[TCA_CAKE_FLOW_MODE]);
442 + switch(flowmode) {
443 + case 0:
444 + fprintf(f, "flowblind ");
445 + break;
446 + case 1:
447 + fprintf(f, "srchost ");
448 + break;
449 + case 2:
450 + fprintf(f, "dsthost ");
451 + break;
452 + case 3:
453 + fprintf(f, "hosts ");
454 + break;
455 + case 4:
456 + fprintf(f, "flows ");
457 + break;
458 + case 5:
459 + fprintf(f, "dual-srchost ");
460 + break;
461 + case 6:
462 + fprintf(f, "dual-dsthost ");
463 + break;
464 + case 7:
465 + fprintf(f, "triple-isolate ");
466 + break;
467 + default:
468 + fprintf(f, "(?flowmode?) ");
469 + break;
470 + };
471 + }
472 + if (tb[TCA_CAKE_ATM] &&
473 + RTA_PAYLOAD(tb[TCA_CAKE_ATM]) >= sizeof(__u32)) {
474 + atm = rta_getattr_u32(tb[TCA_CAKE_ATM]);
475 + }
476 + if (tb[TCA_CAKE_OVERHEAD] &&
477 + RTA_PAYLOAD(tb[TCA_CAKE_OVERHEAD]) >= sizeof(__u32)) {
478 + overhead = rta_getattr_u32(tb[TCA_CAKE_OVERHEAD]);
479 + }
480 + if (tb[TCA_CAKE_RTT] &&
481 + RTA_PAYLOAD(tb[TCA_CAKE_RTT]) >= sizeof(__u32)) {
482 + interval = rta_getattr_u32(tb[TCA_CAKE_RTT]);
483 + }
484 +
485 + if (interval)
486 + fprintf(f, "rtt %s ", sprint_time(interval, b2));
487 +
488 + if (atm)
489 + fprintf(f, "atm ");
490 + else if (overhead)
491 + fprintf(f, "noatm ");
492 +
493 + if (overhead || atm)
494 + fprintf(f, "overhead %d ", overhead);
495 +
496 + if (!atm && !overhead)
497 + fprintf(f, "raw ");
498 +
499 + if (memlimit)
500 + fprintf(f, "memlimit %s", sprint_size(memlimit, b1));
501 +
502 + return 0;
503 +}
504 +
505 +static int cake_print_xstats(struct qdisc_util *qu, FILE *f,
506 + struct rtattr *xstats)
507 +{
508 + /* fq_codel stats format borrowed */
509 + struct tc_fq_codel_xstats *st;
510 + struct tc_cake_xstats *stnc;
511 + SPRINT_BUF(b1);
512 + SPRINT_BUF(b2);
513 +
514 + if (xstats == NULL)
515 + return 0;
516 +
517 + if (RTA_PAYLOAD(xstats) < sizeof(st->type))
518 + return -1;
519 +
520 + st = RTA_DATA(xstats);
521 + stnc = RTA_DATA(xstats);
522 +
523 + if (st->type == TCA_FQ_CODEL_XSTATS_QDISC && RTA_PAYLOAD(xstats) >= sizeof(*st)) {
524 + fprintf(f, " maxpacket %u drop_overlimit %u new_flow_count %u ecn_mark %u",
525 + st->qdisc_stats.maxpacket,
526 + st->qdisc_stats.drop_overlimit,
527 + st->qdisc_stats.new_flow_count,
528 + st->qdisc_stats.ecn_mark);
529 + fprintf(f, "\n new_flows_len %u old_flows_len %u",
530 + st->qdisc_stats.new_flows_len,
531 + st->qdisc_stats.old_flows_len);
532 + } else if (st->type == TCA_FQ_CODEL_XSTATS_CLASS && RTA_PAYLOAD(xstats) >= sizeof(*st)) {
533 + fprintf(f, " deficit %d count %u lastcount %u ldelay %s",
534 + st->class_stats.deficit,
535 + st->class_stats.count,
536 + st->class_stats.lastcount,
537 + sprint_time(st->class_stats.ldelay, b1));
538 + if (st->class_stats.dropping) {
539 + fprintf(f, " dropping");
540 + if (st->class_stats.drop_next < 0)
541 + fprintf(f, " drop_next -%s",
542 + sprint_time(-st->class_stats.drop_next, b1));
543 + else
544 + fprintf(f, " drop_next %s",
545 + sprint_time(st->class_stats.drop_next, b1));
546 + }
547 + } else if (stnc->version >= 1 && stnc->version < 0xFF
548 + && stnc->max_tins == TC_CAKE_MAX_TINS
549 + && RTA_PAYLOAD(xstats) >= offsetof(struct tc_cake_xstats, capacity_estimate))
550 + {
551 + int i;
552 +
553 + if(stnc->version >= 3)
554 + fprintf(f, " memory used: %s of %s\n", sprint_size(stnc->memory_used, b1), sprint_size(stnc->memory_limit, b2));
555 +
556 + if(stnc->version >= 2)
557 + fprintf(f, " capacity estimate: %s\n", sprint_rate(stnc->capacity_estimate, b1));
558 +
559 + switch(stnc->tin_cnt) {
560 + case 4:
561 + fprintf(f, " Bulk Best Effort Video Voice\n");
562 + break;
563 +
564 + case 5:
565 + fprintf(f, " Low Loss Best Effort Low Delay Bulk Net Control\n");
566 + break;
567 +
568 + default:
569 + fprintf(f, " ");
570 + for(i=0; i < stnc->tin_cnt; i++)
571 + fprintf(f, " Tin %u", i);
572 + fprintf(f, "\n");
573 + };
574 +
575 + fprintf(f, " thresh ");
576 + for(i=0; i < stnc->tin_cnt; i++)
577 + fprintf(f, "%12s", sprint_rate(stnc->threshold_rate[i], b1));
578 + fprintf(f, "\n");
579 +
580 + fprintf(f, " target ");
581 + for(i=0; i < stnc->tin_cnt; i++)
582 + fprintf(f, "%12s", sprint_time(stnc->target_us[i], b1));
583 + fprintf(f, "\n");
584 +
585 + fprintf(f, " interval");
586 + for(i=0; i < stnc->tin_cnt; i++)
587 + fprintf(f, "%12s", sprint_time(stnc->interval_us[i], b1));
588 + fprintf(f, "\n");
589 +
590 + fprintf(f, " pk_delay");
591 + for(i=0; i < stnc->tin_cnt; i++)
592 + fprintf(f, "%12s", sprint_time(stnc->peak_delay_us[i], b1));
593 + fprintf(f, "\n");
594 +
595 + fprintf(f, " av_delay");
596 + for(i=0; i < stnc->tin_cnt; i++)
597 + fprintf(f, "%12s", sprint_time(stnc->avge_delay_us[i], b1));
598 + fprintf(f, "\n");
599 +
600 + fprintf(f, " sp_delay");
601 + for(i=0; i < stnc->tin_cnt; i++)
602 + fprintf(f, "%12s", sprint_time(stnc->base_delay_us[i], b1));
603 + fprintf(f, "\n");
604 +
605 + fprintf(f, " pkts ");
606 + for(i=0; i < stnc->tin_cnt; i++)
607 + fprintf(f, "%12u", stnc->sent[i].packets);
608 + fprintf(f, "\n");
609 +
610 + fprintf(f, " bytes ");
611 + for(i=0; i < stnc->tin_cnt; i++)
612 + fprintf(f, "%12llu", stnc->sent[i].bytes);
613 + fprintf(f, "\n");
614 +
615 + fprintf(f, " way_inds");
616 + for(i=0; i < stnc->tin_cnt; i++)
617 + fprintf(f, "%12u", stnc->way_indirect_hits[i]);
618 + fprintf(f, "\n");
619 +
620 + fprintf(f, " way_miss");
621 + for(i=0; i < stnc->tin_cnt; i++)
622 + fprintf(f, "%12u", stnc->way_misses[i]);
623 + fprintf(f, "\n");
624 +
625 + fprintf(f, " way_cols");
626 + for(i=0; i < stnc->tin_cnt; i++)
627 + fprintf(f, "%12u", stnc->way_collisions[i]);
628 + fprintf(f, "\n");
629 +
630 + fprintf(f, " drops ");
631 + for(i=0; i < stnc->tin_cnt; i++)
632 + fprintf(f, "%12u", stnc->dropped[i].packets);
633 + fprintf(f, "\n");
634 +
635 + fprintf(f, " marks ");
636 + for(i=0; i < stnc->tin_cnt; i++)
637 + fprintf(f, "%12u", stnc->ecn_marked[i].packets);
638 + fprintf(f, "\n");
639 +
640 + fprintf(f, " sp_flows");
641 + for(i=0; i < stnc->tin_cnt; i++)
642 + fprintf(f, "%12u", stnc->sparse_flows[i]);
643 + fprintf(f, "\n");
644 +
645 + fprintf(f, " bk_flows");
646 + for(i=0; i < stnc->tin_cnt; i++)
647 + fprintf(f, "%12u", stnc->bulk_flows[i]);
648 + fprintf(f, "\n");
649 +
650 + if(stnc->version >= 4) {
651 + fprintf(f, " un_flows");
652 + for(i=0; i < stnc->tin_cnt; i++)
653 + fprintf(f, "%12u", stnc->unresponse_flows[i]);
654 + fprintf(f, "\n");
655 + }
656 +
657 + fprintf(f, " max_len ");
658 + for(i=0; i < stnc->tin_cnt; i++)
659 + fprintf(f, "%12u", stnc->max_skblen[i]);
660 + fprintf(f, "\n");
661 + } else {
662 + return -1;
663 + }
664 + return 0;
665 +}
666 +
667 +struct qdisc_util cake_qdisc_util = {
668 + .id = "cake",
669 + .parse_qopt = cake_parse_opt,
670 + .print_qopt = cake_print_opt,
671 + .print_xstats = cake_print_xstats,
672 +};