iproute2: bump to 4.13
[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 @@ -871,4 +871,60 @@ 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_NAT,
21 + TCA_CAKE_ETHERNET,
22 + TCA_CAKE_WASH,
23 + TCA_CAKE_MPU,
24 + __TCA_CAKE_MAX
25 +};
26 +#define TCA_CAKE_MAX (__TCA_CAKE_MAX - 1)
27 +
28 +struct tc_cake_traffic_stats {
29 + __u32 packets;
30 + __u32 link_ms;
31 + __u64 bytes;
32 +};
33 +
34 +#define TC_CAKE_MAX_TINS (8)
35 +struct tc_cake_xstats {
36 + __u16 version; /* == 4, increments when struct extended */
37 + __u8 max_tins; /* == TC_CAKE_MAX_TINS */
38 + __u8 tin_cnt; /* <= TC_CAKE_MAX_TINS */
39 +
40 + __u32 threshold_rate [TC_CAKE_MAX_TINS];
41 + __u32 target_us [TC_CAKE_MAX_TINS];
42 + struct tc_cake_traffic_stats sent [TC_CAKE_MAX_TINS];
43 + struct tc_cake_traffic_stats dropped [TC_CAKE_MAX_TINS];
44 + struct tc_cake_traffic_stats ecn_marked[TC_CAKE_MAX_TINS];
45 + struct tc_cake_traffic_stats backlog [TC_CAKE_MAX_TINS];
46 + __u32 interval_us [TC_CAKE_MAX_TINS];
47 + __u32 way_indirect_hits[TC_CAKE_MAX_TINS];
48 + __u32 way_misses [TC_CAKE_MAX_TINS];
49 + __u32 way_collisions [TC_CAKE_MAX_TINS];
50 + __u32 peak_delay_us [TC_CAKE_MAX_TINS]; /* ~= delay to bulk flows */
51 + __u32 avge_delay_us [TC_CAKE_MAX_TINS];
52 + __u32 base_delay_us [TC_CAKE_MAX_TINS]; /* ~= delay to sparse flows */
53 + __u16 sparse_flows [TC_CAKE_MAX_TINS];
54 + __u16 bulk_flows [TC_CAKE_MAX_TINS];
55 + __u16 unresponse_flows [TC_CAKE_MAX_TINS]; /* v4 - was u32 last_len */
56 + __u16 spare [TC_CAKE_MAX_TINS]; /* v4 - split last_len */
57 + __u32 max_skblen [TC_CAKE_MAX_TINS];
58 + __u32 capacity_estimate; /* version 2 */
59 + __u32 memory_limit; /* version 3 */
60 + __u32 memory_used; /* version 3 */
61 +};
62 +
63 #endif
64 --- a/tc/Makefile
65 +++ b/tc/Makefile
66 @@ -69,6 +69,7 @@ TCMODULES += q_codel.o
67 TCMODULES += q_fq_codel.o
68 TCMODULES += q_fq.o
69 TCMODULES += q_pie.o
70 +TCMODULES += q_cake.o
71 TCMODULES += q_hhf.o
72 TCMODULES += q_clsact.o
73 TCMODULES += e_bpf.o
74 --- /dev/null
75 +++ b/tc/q_cake.c
76 @@ -0,0 +1,692 @@
77 +/*
78 + * Common Applications Kept Enhanced -- CAKE
79 + *
80 + * Copyright (C) 2014-2015 Jonathan Morton <chromatix99@gmail.com>
81 + *
82 + * Redistribution and use in source and binary forms, with or without
83 + * modification, are permitted provided that the following conditions
84 + * are met:
85 + * 1. Redistributions of source code must retain the above copyright
86 + * notice, this list of conditions, and the following disclaimer,
87 + * without modification.
88 + * 2. Redistributions in binary form must reproduce the above copyright
89 + * notice, this list of conditions and the following disclaimer in the
90 + * documentation and/or other materials provided with the distribution.
91 + * 3. The names of the authors may not be used to endorse or promote products
92 + * derived from this software without specific prior written permission.
93 + *
94 + * Alternatively, provided that this notice is retained in full, this
95 + * software may be distributed under the terms of the GNU General
96 + * Public License ("GPL") version 2, in which case the provisions of the
97 + * GPL apply INSTEAD OF those given above.
98 + *
99 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
100 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
101 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
102 + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
103 + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
104 + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
105 + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
106 + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
107 + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
108 + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
109 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
110 + * DAMAGE.
111 + *
112 + */
113 +
114 +#include <stddef.h>
115 +#include <stdio.h>
116 +#include <stdlib.h>
117 +#include <unistd.h>
118 +#include <syslog.h>
119 +#include <fcntl.h>
120 +#include <sys/socket.h>
121 +#include <netinet/in.h>
122 +#include <arpa/inet.h>
123 +#include <string.h>
124 +
125 +#include "utils.h"
126 +#include "tc_util.h"
127 +
128 +static void explain(void)
129 +{
130 + fprintf(stderr,
131 +"Usage: ... cake [ bandwidth RATE | unlimited* | autorate_ingress ]\n"
132 +" [ rtt TIME | datacentre | lan | metro | regional |\n"
133 +" internet* | oceanic | satellite | interplanetary ]\n"
134 +" [ besteffort | diffserv8 | diffserv4 | diffserv-llt |\n"
135 +" diffserv3* ]\n"
136 +" [ flowblind | srchost | dsthost | hosts | flows |\n"
137 +" dual-srchost | dual-dsthost | triple-isolate* ]\n"
138 +" [ nat | nonat* ]\n"
139 +" [ wash | nowash * ]\n"
140 +" [ memlimit LIMIT ]\n"
141 +" [ ptm | atm | noatm* ] [ overhead N | conservative | raw* ]\n"
142 +" [ mpu N ]\n"
143 +" (* marks defaults)\n");
144 +}
145 +
146 +static int cake_parse_opt(struct qdisc_util *qu, int argc, char **argv,
147 + struct nlmsghdr *n)
148 +{
149 + int unlimited = 0;
150 + unsigned bandwidth = 0;
151 + unsigned interval = 0;
152 + unsigned target = 0;
153 + unsigned diffserv = 0;
154 + unsigned memlimit = 0;
155 + int overhead = 0;
156 + bool overhead_set = false;
157 + bool overhead_override = false;
158 + int wash = -1;
159 + int mpu = 0;
160 + int flowmode = -1;
161 + int nat = -1;
162 + int atm = -1;
163 + int autorate = -1;
164 + struct rtattr *tail;
165 +
166 + while (argc > 0) {
167 + if (strcmp(*argv, "bandwidth") == 0) {
168 + NEXT_ARG();
169 + if (get_rate(&bandwidth, *argv)) {
170 + fprintf(stderr, "Illegal \"bandwidth\"\n");
171 + return -1;
172 + }
173 + unlimited = 0;
174 + autorate = 0;
175 + } else if (strcmp(*argv, "unlimited") == 0) {
176 + bandwidth = 0;
177 + unlimited = 1;
178 + autorate = 0;
179 + } else if (strcmp(*argv, "autorate_ingress") == 0) {
180 + autorate = 1;
181 +
182 + } else if (strcmp(*argv, "rtt") == 0) {
183 + NEXT_ARG();
184 + if (get_time(&interval, *argv)) {
185 + fprintf(stderr, "Illegal \"rtt\"\n");
186 + return -1;
187 + }
188 + target = interval / 20;
189 + if(!target)
190 + target = 1;
191 + } else if (strcmp(*argv, "datacentre") == 0) {
192 + interval = 100;
193 + target = 5;
194 + } else if (strcmp(*argv, "lan") == 0) {
195 + interval = 1000;
196 + target = 50;
197 + } else if (strcmp(*argv, "metro") == 0) {
198 + interval = 10000;
199 + target = 500;
200 + } else if (strcmp(*argv, "regional") == 0) {
201 + interval = 30000;
202 + target = 1500;
203 + } else if (strcmp(*argv, "internet") == 0) {
204 + interval = 100000;
205 + target = 5000;
206 + } else if (strcmp(*argv, "oceanic") == 0) {
207 + interval = 300000;
208 + target = 15000;
209 + } else if (strcmp(*argv, "satellite") == 0) {
210 + interval = 1000000;
211 + target = 50000;
212 + } else if (strcmp(*argv, "interplanetary") == 0) {
213 + interval = 3600000000U;
214 + target = 5000;
215 +
216 + } else if (strcmp(*argv, "besteffort") == 0) {
217 + diffserv = 1;
218 + } else if (strcmp(*argv, "precedence") == 0) {
219 + diffserv = 2;
220 + } else if (strcmp(*argv, "diffserv8") == 0) {
221 + diffserv = 3;
222 + } else if (strcmp(*argv, "diffserv4") == 0) {
223 + diffserv = 4;
224 + } else if (strcmp(*argv, "diffserv") == 0) {
225 + diffserv = 4;
226 + } else if (strcmp(*argv, "diffserv-llt") == 0) {
227 + diffserv = 5;
228 + } else if (strcmp(*argv, "diffserv3") == 0) {
229 + diffserv = 6;
230 +
231 + } else if (strcmp(*argv, "nowash") == 0) {
232 + wash = 0;
233 + } else if (strcmp(*argv, "wash") == 0) {
234 + wash = 1;
235 +
236 + } else if (strcmp(*argv, "flowblind") == 0) {
237 + flowmode = 0;
238 + } else if (strcmp(*argv, "srchost") == 0) {
239 + flowmode = 1;
240 + } else if (strcmp(*argv, "dsthost") == 0) {
241 + flowmode = 2;
242 + } else if (strcmp(*argv, "hosts") == 0) {
243 + flowmode = 3;
244 + } else if (strcmp(*argv, "flows") == 0) {
245 + flowmode = 4;
246 + } else if (strcmp(*argv, "dual-srchost") == 0) {
247 + flowmode = 5;
248 + } else if (strcmp(*argv, "dual-dsthost") == 0) {
249 + flowmode = 6;
250 + } else if (strcmp(*argv, "triple-isolate") == 0) {
251 + flowmode = 7;
252 +
253 + } else if (strcmp(*argv, "nat") == 0) {
254 + nat = 1;
255 + } else if (strcmp(*argv, "nonat") == 0) {
256 + nat = 0;
257 +
258 + } else if (strcmp(*argv, "ptm") == 0) {
259 + atm = 2;
260 + } else if (strcmp(*argv, "atm") == 0) {
261 + atm = 1;
262 + } else if (strcmp(*argv, "noatm") == 0) {
263 + atm = 0;
264 +
265 + } else if (strcmp(*argv, "raw") == 0) {
266 + atm = 0;
267 + overhead = 0;
268 + overhead_set = true;
269 + overhead_override = true;
270 + } else if (strcmp(*argv, "conservative") == 0) {
271 + /*
272 + * Deliberately over-estimate overhead:
273 + * one whole ATM cell plus ATM framing.
274 + * A safe choice if the actual overhead is unknown.
275 + */
276 + atm = 1;
277 + overhead = 48;
278 + overhead_set = true;
279 +
280 + /* Various ADSL framing schemes, all over ATM cells */
281 + } else if (strcmp(*argv, "ipoa-vcmux") == 0) {
282 + atm = 1;
283 + overhead += 8;
284 + overhead_set = true;
285 + } else if (strcmp(*argv, "ipoa-llcsnap") == 0) {
286 + atm = 1;
287 + overhead += 16;
288 + overhead_set = true;
289 + } else if (strcmp(*argv, "bridged-vcmux") == 0) {
290 + atm = 1;
291 + overhead += 24;
292 + overhead_set = true;
293 + } else if (strcmp(*argv, "bridged-llcsnap") == 0) {
294 + atm = 1;
295 + overhead += 32;
296 + overhead_set = true;
297 + } else if (strcmp(*argv, "pppoa-vcmux") == 0) {
298 + atm = 1;
299 + overhead += 10;
300 + overhead_set = true;
301 + } else if (strcmp(*argv, "pppoa-llc") == 0) {
302 + atm = 1;
303 + overhead += 14;
304 + overhead_set = true;
305 + } else if (strcmp(*argv, "pppoe-vcmux") == 0) {
306 + atm = 1;
307 + overhead += 32;
308 + overhead_set = true;
309 + } else if (strcmp(*argv, "pppoe-llcsnap") == 0) {
310 + atm = 1;
311 + overhead += 40;
312 + overhead_set = true;
313 +
314 + /* Typical VDSL2 framing schemes, both over PTM */
315 + /* PTM has 64b/65b coding which absorbs some bandwidth */
316 + } else if (strcmp(*argv, "pppoe-ptm") == 0) {
317 + atm = 2;
318 + overhead += 27;
319 + overhead_set = true;
320 + } else if (strcmp(*argv, "bridged-ptm") == 0) {
321 + atm = 2;
322 + overhead += 19;
323 + overhead_set = true;
324 +
325 + } else if (strcmp(*argv, "via-ethernet") == 0) {
326 + /*
327 + * We used to use this flag to manually compensate for
328 + * Linux including the Ethernet header on Ethernet-type
329 + * interfaces, but not on IP-type interfaces.
330 + *
331 + * It is no longer needed, because Cake now adjusts for
332 + * that automatically, and is thus ignored.
333 + *
334 + * It would be deleted entirely, but it appears in the
335 + * stats output when the automatic compensation is active.
336 + */
337 +
338 + } else if (strcmp(*argv, "ethernet") == 0) {
339 + /* ethernet pre-amble & interframe gap & FCS
340 + * you may need to add vlan tag */
341 + overhead += 38;
342 + overhead_set = true;
343 + mpu = 84;
344 +
345 + /* Additional Ethernet-related overhead used by some ISPs */
346 + } else if (strcmp(*argv, "ether-vlan") == 0) {
347 + /* 802.1q VLAN tag - may be repeated */
348 + overhead += 4;
349 + overhead_set = true;
350 +
351 + /*
352 + * DOCSIS cable shapers account for Ethernet frame with FCS,
353 + * but not interframe gap nor preamble.
354 + */
355 + } else if (strcmp(*argv, "docsis") == 0) {
356 + atm = 0;
357 + overhead += 18;
358 + overhead_set = true;
359 + mpu = 64;
360 +
361 + } else if (strcmp(*argv, "overhead") == 0) {
362 + char* p = NULL;
363 + NEXT_ARG();
364 + overhead = strtol(*argv, &p, 10);
365 + if(!p || *p || !*argv || overhead < -64 || overhead > 256) {
366 + fprintf(stderr, "Illegal \"overhead\", valid range is -64 to 256\\n");
367 + return -1;
368 + }
369 + overhead_set = true;
370 +
371 + } else if (strcmp(*argv, "mpu") == 0) {
372 + char* p = NULL;
373 + NEXT_ARG();
374 + mpu = strtol(*argv, &p, 10);
375 + if(!p || *p || !*argv || mpu < 0 || mpu > 256) {
376 + fprintf(stderr, "Illegal \"mpu\", valid range is 0 to 256\\n");
377 + return -1;
378 + }
379 +
380 + } else if (strcmp(*argv, "memlimit") == 0) {
381 + NEXT_ARG();
382 + if(get_size(&memlimit, *argv)) {
383 + fprintf(stderr, "Illegal value for \"memlimit\": \"%s\"\n", *argv);
384 + return -1;
385 + }
386 +
387 + } else if (strcmp(*argv, "help") == 0) {
388 + explain();
389 + return -1;
390 + } else {
391 + fprintf(stderr, "What is \"%s\"?\n", *argv);
392 + explain();
393 + return -1;
394 + }
395 + argc--; argv++;
396 + }
397 +
398 + tail = NLMSG_TAIL(n);
399 + addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
400 + if (bandwidth || unlimited)
401 + addattr_l(n, 1024, TCA_CAKE_BASE_RATE, &bandwidth, sizeof(bandwidth));
402 + if (diffserv)
403 + addattr_l(n, 1024, TCA_CAKE_DIFFSERV_MODE, &diffserv, sizeof(diffserv));
404 + if (atm != -1)
405 + addattr_l(n, 1024, TCA_CAKE_ATM, &atm, sizeof(atm));
406 + if (flowmode != -1)
407 + addattr_l(n, 1024, TCA_CAKE_FLOW_MODE, &flowmode, sizeof(flowmode));
408 + if (overhead_set)
409 + addattr_l(n, 1024, TCA_CAKE_OVERHEAD, &overhead, sizeof(overhead));
410 + if (overhead_override) {
411 + unsigned zero = 0;
412 + addattr_l(n, 1024, TCA_CAKE_ETHERNET, &zero, sizeof(zero));
413 + }
414 + if (mpu > 0)
415 + addattr_l(n, 1024, TCA_CAKE_MPU, &mpu, sizeof(mpu));
416 + if (interval)
417 + addattr_l(n, 1024, TCA_CAKE_RTT, &interval, sizeof(interval));
418 + if (target)
419 + addattr_l(n, 1024, TCA_CAKE_TARGET, &target, sizeof(target));
420 + if (autorate != -1)
421 + addattr_l(n, 1024, TCA_CAKE_AUTORATE, &autorate, sizeof(autorate));
422 + if (memlimit)
423 + addattr_l(n, 1024, TCA_CAKE_MEMORY, &memlimit, sizeof(memlimit));
424 + if (nat != -1)
425 + addattr_l(n, 1024, TCA_CAKE_NAT, &nat, sizeof(nat));
426 + if (wash != -1)
427 + addattr_l(n, 1024, TCA_CAKE_WASH, &wash, sizeof(wash));
428 +
429 + tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
430 + return 0;
431 +}
432 +
433 +
434 +static int cake_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
435 +{
436 + struct rtattr *tb[TCA_CAKE_MAX + 1];
437 + unsigned bandwidth = 0;
438 + unsigned diffserv = 0;
439 + unsigned flowmode = 0;
440 + unsigned interval = 0;
441 + unsigned memlimit = 0;
442 + int overhead = 0;
443 + int ethernet = 0;
444 + int mpu = 0;
445 + int atm = 0;
446 + int nat = 0;
447 + int autorate = 0;
448 + int wash = 0;
449 + SPRINT_BUF(b1);
450 + SPRINT_BUF(b2);
451 +
452 + if (opt == NULL)
453 + return 0;
454 +
455 + parse_rtattr_nested(tb, TCA_CAKE_MAX, opt);
456 +
457 + if (tb[TCA_CAKE_BASE_RATE] &&
458 + RTA_PAYLOAD(tb[TCA_CAKE_BASE_RATE]) >= sizeof(__u32)) {
459 + bandwidth = rta_getattr_u32(tb[TCA_CAKE_BASE_RATE]);
460 + if(bandwidth)
461 + fprintf(f, "bandwidth %s ", sprint_rate(bandwidth, b1));
462 + else
463 + fprintf(f, "unlimited ");
464 + }
465 + if (tb[TCA_CAKE_AUTORATE] &&
466 + RTA_PAYLOAD(tb[TCA_CAKE_AUTORATE]) >= sizeof(__u32)) {
467 + autorate = rta_getattr_u32(tb[TCA_CAKE_AUTORATE]);
468 + if(autorate == 1)
469 + fprintf(f, "autorate_ingress ");
470 + else if(autorate)
471 + fprintf(f, "(?autorate?) ");
472 + }
473 + if (tb[TCA_CAKE_DIFFSERV_MODE] &&
474 + RTA_PAYLOAD(tb[TCA_CAKE_DIFFSERV_MODE]) >= sizeof(__u32)) {
475 + diffserv = rta_getattr_u32(tb[TCA_CAKE_DIFFSERV_MODE]);
476 + switch(diffserv) {
477 + case 1:
478 + fprintf(f, "besteffort ");
479 + break;
480 + case 2:
481 + fprintf(f, "precedence ");
482 + break;
483 + case 3:
484 + fprintf(f, "diffserv8 ");
485 + break;
486 + case 4:
487 + fprintf(f, "diffserv4 ");
488 + break;
489 + case 5:
490 + fprintf(f, "diffserv-llt ");
491 + break;
492 + case 6:
493 + fprintf(f, "diffserv3 ");
494 + break;
495 + default:
496 + fprintf(f, "(?diffserv?) ");
497 + break;
498 + };
499 + }
500 + if (tb[TCA_CAKE_FLOW_MODE] &&
501 + RTA_PAYLOAD(tb[TCA_CAKE_FLOW_MODE]) >= sizeof(__u32)) {
502 + flowmode = rta_getattr_u32(tb[TCA_CAKE_FLOW_MODE]);
503 + nat = !!(flowmode & 64);
504 + flowmode &= ~64;
505 + switch(flowmode) {
506 + case 0:
507 + fprintf(f, "flowblind ");
508 + break;
509 + case 1:
510 + fprintf(f, "srchost ");
511 + break;
512 + case 2:
513 + fprintf(f, "dsthost ");
514 + break;
515 + case 3:
516 + fprintf(f, "hosts ");
517 + break;
518 + case 4:
519 + fprintf(f, "flows ");
520 + break;
521 + case 5:
522 + fprintf(f, "dual-srchost ");
523 + break;
524 + case 6:
525 + fprintf(f, "dual-dsthost ");
526 + break;
527 + case 7:
528 + fprintf(f, "triple-isolate ");
529 + break;
530 + default:
531 + fprintf(f, "(?flowmode?) ");
532 + break;
533 + };
534 +
535 + if(nat)
536 + fprintf(f, "nat ");
537 + }
538 + if (tb[TCA_CAKE_WASH] &&
539 + RTA_PAYLOAD(tb[TCA_CAKE_WASH]) >= sizeof(__u32)) {
540 + wash = rta_getattr_u32(tb[TCA_CAKE_WASH]);
541 + }
542 + if (tb[TCA_CAKE_ATM] &&
543 + RTA_PAYLOAD(tb[TCA_CAKE_ATM]) >= sizeof(__u32)) {
544 + atm = rta_getattr_u32(tb[TCA_CAKE_ATM]);
545 + }
546 + if (tb[TCA_CAKE_OVERHEAD] &&
547 + RTA_PAYLOAD(tb[TCA_CAKE_OVERHEAD]) >= sizeof(__u32)) {
548 + overhead = rta_getattr_u32(tb[TCA_CAKE_OVERHEAD]);
549 + }
550 + if (tb[TCA_CAKE_MPU] &&
551 + RTA_PAYLOAD(tb[TCA_CAKE_MPU]) >= sizeof(__u32)) {
552 + mpu = rta_getattr_u32(tb[TCA_CAKE_MPU]);
553 + }
554 + if (tb[TCA_CAKE_ETHERNET] &&
555 + RTA_PAYLOAD(tb[TCA_CAKE_ETHERNET]) >= sizeof(__u32)) {
556 + ethernet = rta_getattr_u32(tb[TCA_CAKE_ETHERNET]);
557 + }
558 + if (tb[TCA_CAKE_RTT] &&
559 + RTA_PAYLOAD(tb[TCA_CAKE_RTT]) >= sizeof(__u32)) {
560 + interval = rta_getattr_u32(tb[TCA_CAKE_RTT]);
561 + }
562 +
563 + if (wash)
564 + fprintf(f,"wash ");
565 +
566 + if (interval)
567 + fprintf(f, "rtt %s ", sprint_time(interval, b2));
568 +
569 + if (!atm && overhead == ethernet) {
570 + fprintf(f, "raw ");
571 + } else {
572 + if (atm == 1)
573 + fprintf(f, "atm ");
574 + else if (atm == 2)
575 + fprintf(f, "ptm ");
576 + else
577 + fprintf(f, "noatm ");
578 +
579 + fprintf(f, "overhead %d ", overhead);
580 +
581 + // This is actually the *amount* of automatic compensation, but we only report
582 + // its presence as a boolean for now.
583 + if (ethernet)
584 + fprintf(f, "via-ethernet ");
585 + }
586 +
587 + if (mpu) {
588 + fprintf(f, "mpu %d ", mpu);
589 + }
590 +
591 + if (memlimit)
592 + fprintf(f, "memlimit %s", sprint_size(memlimit, b1));
593 +
594 + return 0;
595 +}
596 +
597 +static int cake_print_xstats(struct qdisc_util *qu, FILE *f,
598 + struct rtattr *xstats)
599 +{
600 + /* fq_codel stats format borrowed */
601 + struct tc_fq_codel_xstats *st;
602 + struct tc_cake_xstats *stnc;
603 + SPRINT_BUF(b1);
604 + SPRINT_BUF(b2);
605 +
606 + if (xstats == NULL)
607 + return 0;
608 +
609 + if (RTA_PAYLOAD(xstats) < sizeof(st->type))
610 + return -1;
611 +
612 + st = RTA_DATA(xstats);
613 + stnc = RTA_DATA(xstats);
614 +
615 + if (st->type == TCA_FQ_CODEL_XSTATS_QDISC && RTA_PAYLOAD(xstats) >= sizeof(*st)) {
616 + fprintf(f, " maxpacket %u drop_overlimit %u new_flow_count %u ecn_mark %u",
617 + st->qdisc_stats.maxpacket,
618 + st->qdisc_stats.drop_overlimit,
619 + st->qdisc_stats.new_flow_count,
620 + st->qdisc_stats.ecn_mark);
621 + fprintf(f, "\n new_flows_len %u old_flows_len %u",
622 + st->qdisc_stats.new_flows_len,
623 + st->qdisc_stats.old_flows_len);
624 + } else if (st->type == TCA_FQ_CODEL_XSTATS_CLASS && RTA_PAYLOAD(xstats) >= sizeof(*st)) {
625 + fprintf(f, " deficit %d count %u lastcount %u ldelay %s",
626 + st->class_stats.deficit,
627 + st->class_stats.count,
628 + st->class_stats.lastcount,
629 + sprint_time(st->class_stats.ldelay, b1));
630 + if (st->class_stats.dropping) {
631 + fprintf(f, " dropping");
632 + if (st->class_stats.drop_next < 0)
633 + fprintf(f, " drop_next -%s",
634 + sprint_time(-st->class_stats.drop_next, b1));
635 + else
636 + fprintf(f, " drop_next %s",
637 + sprint_time(st->class_stats.drop_next, b1));
638 + }
639 + } else if (stnc->version >= 1 && stnc->version < 0xFF
640 + && stnc->max_tins == TC_CAKE_MAX_TINS
641 + && RTA_PAYLOAD(xstats) >= offsetof(struct tc_cake_xstats, capacity_estimate))
642 + {
643 + int i;
644 +
645 + if(stnc->version >= 3)
646 + fprintf(f, " memory used: %s of %s\n", sprint_size(stnc->memory_used, b1), sprint_size(stnc->memory_limit, b2));
647 +
648 + if(stnc->version >= 2)
649 + fprintf(f, " capacity estimate: %s\n", sprint_rate(stnc->capacity_estimate, b1));
650 +
651 + switch(stnc->tin_cnt) {
652 + case 3:
653 + fprintf(f, " Bulk Best Effort Voice\n");
654 + break;
655 +
656 + case 4:
657 + fprintf(f, " Bulk Best Effort Video Voice\n");
658 + break;
659 +
660 + case 5:
661 + fprintf(f, " Low Loss Best Effort Low Delay Bulk Net Control\n");
662 + break;
663 +
664 + default:
665 + fprintf(f, " ");
666 + for(i=0; i < stnc->tin_cnt; i++)
667 + fprintf(f, " Tin %u", i);
668 + fprintf(f, "\n");
669 + };
670 +
671 + fprintf(f, " thresh ");
672 + for(i=0; i < stnc->tin_cnt; i++)
673 + fprintf(f, "%12s", sprint_rate(stnc->threshold_rate[i], b1));
674 + fprintf(f, "\n");
675 +
676 + fprintf(f, " target ");
677 + for(i=0; i < stnc->tin_cnt; i++)
678 + fprintf(f, "%12s", sprint_time(stnc->target_us[i], b1));
679 + fprintf(f, "\n");
680 +
681 + fprintf(f, " interval");
682 + for(i=0; i < stnc->tin_cnt; i++)
683 + fprintf(f, "%12s", sprint_time(stnc->interval_us[i], b1));
684 + fprintf(f, "\n");
685 +
686 + fprintf(f, " pk_delay");
687 + for(i=0; i < stnc->tin_cnt; i++)
688 + fprintf(f, "%12s", sprint_time(stnc->peak_delay_us[i], b1));
689 + fprintf(f, "\n");
690 +
691 + fprintf(f, " av_delay");
692 + for(i=0; i < stnc->tin_cnt; i++)
693 + fprintf(f, "%12s", sprint_time(stnc->avge_delay_us[i], b1));
694 + fprintf(f, "\n");
695 +
696 + fprintf(f, " sp_delay");
697 + for(i=0; i < stnc->tin_cnt; i++)
698 + fprintf(f, "%12s", sprint_time(stnc->base_delay_us[i], b1));
699 + fprintf(f, "\n");
700 +
701 + fprintf(f, " pkts ");
702 + for(i=0; i < stnc->tin_cnt; i++)
703 + fprintf(f, "%12u", stnc->sent[i].packets);
704 + fprintf(f, "\n");
705 +
706 + fprintf(f, " bytes ");
707 + for(i=0; i < stnc->tin_cnt; i++)
708 + fprintf(f, "%12llu", stnc->sent[i].bytes);
709 + fprintf(f, "\n");
710 +
711 + fprintf(f, " way_inds");
712 + for(i=0; i < stnc->tin_cnt; i++)
713 + fprintf(f, "%12u", stnc->way_indirect_hits[i]);
714 + fprintf(f, "\n");
715 +
716 + fprintf(f, " way_miss");
717 + for(i=0; i < stnc->tin_cnt; i++)
718 + fprintf(f, "%12u", stnc->way_misses[i]);
719 + fprintf(f, "\n");
720 +
721 + fprintf(f, " way_cols");
722 + for(i=0; i < stnc->tin_cnt; i++)
723 + fprintf(f, "%12u", stnc->way_collisions[i]);
724 + fprintf(f, "\n");
725 +
726 + fprintf(f, " drops ");
727 + for(i=0; i < stnc->tin_cnt; i++)
728 + fprintf(f, "%12u", stnc->dropped[i].packets);
729 + fprintf(f, "\n");
730 +
731 + fprintf(f, " marks ");
732 + for(i=0; i < stnc->tin_cnt; i++)
733 + fprintf(f, "%12u", stnc->ecn_marked[i].packets);
734 + fprintf(f, "\n");
735 +
736 + fprintf(f, " sp_flows");
737 + for(i=0; i < stnc->tin_cnt; i++)
738 + fprintf(f, "%12u", stnc->sparse_flows[i]);
739 + fprintf(f, "\n");
740 +
741 + fprintf(f, " bk_flows");
742 + for(i=0; i < stnc->tin_cnt; i++)
743 + fprintf(f, "%12u", stnc->bulk_flows[i]);
744 + fprintf(f, "\n");
745 +
746 + if(stnc->version >= 4) {
747 + fprintf(f, " un_flows");
748 + for(i=0; i < stnc->tin_cnt; i++)
749 + fprintf(f, "%12u", stnc->unresponse_flows[i]);
750 + fprintf(f, "\n");
751 + }
752 +
753 + fprintf(f, " max_len ");
754 + for(i=0; i < stnc->tin_cnt; i++)
755 + fprintf(f, "%12u", stnc->max_skblen[i]);
756 + fprintf(f, "\n");
757 + } else {
758 + return -1;
759 + }
760 + return 0;
761 +}
762 +
763 +struct qdisc_util cake_qdisc_util = {
764 + .id = "cake",
765 + .parse_qopt = cake_parse_opt,
766 + .print_qopt = cake_print_opt,
767 + .print_xstats = cake_print_xstats,
768 +};