[mirror_iproute2.git] / tc / q_fq_codel.c

/*
 * Fair Queue Codel
 *
 *  Copyright (C) 2012,2015 Eric Dumazet <edumazet@google.com>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The names of the authors may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * Alternatively, provided that this notice is retained in full, this
 * software may be distributed under the terms of the GNU General
 * Public License ("GPL") version 2, in which case the provisions of the
 * GPL apply INSTEAD OF those given above.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>

#include "utils.h"
#include "tc_util.h"

static void explain(void)
{
	fprintf(stderr, "Usage: ... fq_codel [ limit PACKETS ] [ flows NUMBER ]\n");
	fprintf(stderr, "                    [ memory_limit BYTES ]\n");
	fprintf(stderr, "                    [ target TIME ] [ interval TIME ]\n");
	fprintf(stderr, "                    [ quantum BYTES ] [ [no]ecn ]\n");
	fprintf(stderr, "                    [ ce_threshold TIME ]\n");
}

static int fq_codel_parse_opt(struct qdisc_util *qu, int argc, char **argv,
			      struct nlmsghdr *n, const char *dev)
{
	unsigned int limit = 0;
	unsigned int flows = 0;
	unsigned int target = 0;
	unsigned int interval = 0;
	unsigned int quantum = 0;
	unsigned int ce_threshold = ~0U;
	unsigned int memory = ~0U;
	int ecn = -1;
	struct rtattr *tail;

	while (argc > 0) {
		if (strcmp(*argv, "limit") == 0) {
			NEXT_ARG();
			if (get_unsigned(&limit, *argv, 0)) {
				fprintf(stderr, "Illegal \"limit\"\n");
				return -1;
			}
		} else if (strcmp(*argv, "flows") == 0) {
			NEXT_ARG();
			if (get_unsigned(&flows, *argv, 0)) {
				fprintf(stderr, "Illegal \"flows\"\n");
				return -1;
			}
		} else if (strcmp(*argv, "quantum") == 0) {
			NEXT_ARG();
			if (get_unsigned(&quantum, *argv, 0)) {
				fprintf(stderr, "Illegal \"quantum\"\n");
				return -1;
			}
		} else if (strcmp(*argv, "target") == 0) {
			NEXT_ARG();
			if (get_time(&target, *argv)) {
				fprintf(stderr, "Illegal \"target\"\n");
				return -1;
			}
		} else if (strcmp(*argv, "ce_threshold") == 0) {
			NEXT_ARG();
			if (get_time(&ce_threshold, *argv)) {
				fprintf(stderr, "Illegal \"ce_threshold\"\n");
				return -1;
			}
		} else if (strcmp(*argv, "memory_limit") == 0) {
			NEXT_ARG();
			if (get_size(&memory, *argv)) {
				fprintf(stderr, "Illegal \"memory_limit\"\n");
				return -1;
			}
		} else if (strcmp(*argv, "interval") == 0) {
			NEXT_ARG();
			if (get_time(&interval, *argv)) {
				fprintf(stderr, "Illegal \"interval\"\n");
				return -1;
			}
		} else if (strcmp(*argv, "ecn") == 0) {
			ecn = 1;
		} else if (strcmp(*argv, "noecn") == 0) {
			ecn = 0;
		} else if (strcmp(*argv, "help") == 0) {
			explain();
			return -1;
		} else {
			fprintf(stderr, "What is \"%s\"?\n", *argv);
			explain();
			return -1;
		}
		argc--; argv++;
	}

	tail = addattr_nest(n, 1024, TCA_OPTIONS);
	if (limit)
		addattr_l(n, 1024, TCA_FQ_CODEL_LIMIT, &limit, sizeof(limit));
	if (flows)
		addattr_l(n, 1024, TCA_FQ_CODEL_FLOWS, &flows, sizeof(flows));
	if (quantum)
		addattr_l(n, 1024, TCA_FQ_CODEL_QUANTUM, &quantum, sizeof(quantum));
	if (interval)
		addattr_l(n, 1024, TCA_FQ_CODEL_INTERVAL, &interval, sizeof(interval));
	if (target)
		addattr_l(n, 1024, TCA_FQ_CODEL_TARGET, &target, sizeof(target));
	if (ecn != -1)
		addattr_l(n, 1024, TCA_FQ_CODEL_ECN, &ecn, sizeof(ecn));
	if (ce_threshold != ~0U)
		addattr_l(n, 1024, TCA_FQ_CODEL_CE_THRESHOLD,
			  &ce_threshold, sizeof(ce_threshold));
	if (memory != ~0U)
		addattr_l(n, 1024, TCA_FQ_CODEL_MEMORY_LIMIT,
			  &memory, sizeof(memory));

	addattr_nest_end(n, tail);
	return 0;
}

static int fq_codel_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
	struct rtattr *tb[TCA_FQ_CODEL_MAX + 1];
	unsigned int limit;
	unsigned int flows;
	unsigned int interval;
	unsigned int target;
	unsigned int ecn;
	unsigned int quantum;
	unsigned int ce_threshold;
	unsigned int memory_limit;

	SPRINT_BUF(b1);

	if (opt == NULL)
		return 0;

	parse_rtattr_nested(tb, TCA_FQ_CODEL_MAX, opt);

	if (tb[TCA_FQ_CODEL_LIMIT] &&
	    RTA_PAYLOAD(tb[TCA_FQ_CODEL_LIMIT]) >= sizeof(__u32)) {
		limit = rta_getattr_u32(tb[TCA_FQ_CODEL_LIMIT]);
		print_uint(PRINT_ANY, "limit", "limit %up ", limit);
	}
	if (tb[TCA_FQ_CODEL_FLOWS] &&
	    RTA_PAYLOAD(tb[TCA_FQ_CODEL_FLOWS]) >= sizeof(__u32)) {
		flows = rta_getattr_u32(tb[TCA_FQ_CODEL_FLOWS]);
		print_uint(PRINT_ANY, "flows", "flows %u ", flows);
	}
	if (tb[TCA_FQ_CODEL_QUANTUM] &&
	    RTA_PAYLOAD(tb[TCA_FQ_CODEL_QUANTUM]) >= sizeof(__u32)) {
		quantum = rta_getattr_u32(tb[TCA_FQ_CODEL_QUANTUM]);
		print_uint(PRINT_ANY, "quantum", "quantum %u ", quantum);
	}
	if (tb[TCA_FQ_CODEL_TARGET] &&
	    RTA_PAYLOAD(tb[TCA_FQ_CODEL_TARGET]) >= sizeof(__u32)) {
		target = rta_getattr_u32(tb[TCA_FQ_CODEL_TARGET]);
		print_uint(PRINT_JSON, "target", NULL, target);
		print_string(PRINT_FP, NULL, "target %s ",
			     sprint_time(target, b1));
	}
	if (tb[TCA_FQ_CODEL_CE_THRESHOLD] &&
	    RTA_PAYLOAD(tb[TCA_FQ_CODEL_CE_THRESHOLD]) >= sizeof(__u32)) {
		ce_threshold = rta_getattr_u32(tb[TCA_FQ_CODEL_CE_THRESHOLD]);
		print_uint(PRINT_JSON, "ce_threshold", NULL, ce_threshold);
		print_string(PRINT_FP, NULL, "ce_threshold %s ",
			     sprint_time(ce_threshold, b1));
	}
	if (tb[TCA_FQ_CODEL_INTERVAL] &&
	    RTA_PAYLOAD(tb[TCA_FQ_CODEL_INTERVAL]) >= sizeof(__u32)) {
		interval = rta_getattr_u32(tb[TCA_FQ_CODEL_INTERVAL]);
		print_uint(PRINT_JSON, "interval", NULL, interval);
		print_string(PRINT_FP, NULL, "interval %s ",
			     sprint_time(interval, b1));
	}
	if (tb[TCA_FQ_CODEL_MEMORY_LIMIT] &&
	    RTA_PAYLOAD(tb[TCA_FQ_CODEL_MEMORY_LIMIT]) >= sizeof(__u32)) {
		memory_limit = rta_getattr_u32(tb[TCA_FQ_CODEL_MEMORY_LIMIT]);
		print_uint(PRINT_JSON, "memory_limit", NULL, memory_limit);
		print_string(PRINT_FP, NULL, "memory_limit %s ",
			     sprint_size(memory_limit, b1));
	}
	if (tb[TCA_FQ_CODEL_ECN] &&
	    RTA_PAYLOAD(tb[TCA_FQ_CODEL_ECN]) >= sizeof(__u32)) {
		ecn = rta_getattr_u32(tb[TCA_FQ_CODEL_ECN]);
		if (ecn)
			print_bool(PRINT_ANY, "ecn", "ecn ", true);
	}

	return 0;
}

static int fq_codel_print_xstats(struct qdisc_util *qu, FILE *f,
				 struct rtattr *xstats)
{
	struct tc_fq_codel_xstats _st = {}, *st;

	SPRINT_BUF(b1);

	if (xstats == NULL)
		return 0;

	st = RTA_DATA(xstats);
	if (RTA_PAYLOAD(xstats) < sizeof(*st)) {
		memcpy(&_st, st, RTA_PAYLOAD(xstats));
		st = &_st;
	}
	if (st->type == TCA_FQ_CODEL_XSTATS_QDISC) {
		print_uint(PRINT_ANY, "maxpacket", "  maxpacket %u",
			st->qdisc_stats.maxpacket);
		print_uint(PRINT_ANY, "drop_overlimit", " drop_overlimit %u",
			st->qdisc_stats.drop_overlimit);
		print_uint(PRINT_ANY, "new_flow_count", " new_flow_count %u",
			st->qdisc_stats.new_flow_count);
		print_uint(PRINT_ANY, "ecn_mark", " ecn_mark %u",
			st->qdisc_stats.ecn_mark);
		if (st->qdisc_stats.ce_mark)
			print_uint(PRINT_ANY, "ce_mark", " ce_mark %u",
				st->qdisc_stats.ce_mark);
		if (st->qdisc_stats.memory_usage)
			print_uint(PRINT_ANY, "memory_used", " memory_used %u",
				st->qdisc_stats.memory_usage);
		if (st->qdisc_stats.drop_overmemory)
			print_uint(PRINT_ANY, "drop_overmemory", " drop_overmemory %u",
				st->qdisc_stats.drop_overmemory);
		print_uint(PRINT_ANY, "new_flows_len", "\n  new_flows_len %u",
			st->qdisc_stats.new_flows_len);
		print_uint(PRINT_ANY, "old_flows_len", " old_flows_len %u",
			st->qdisc_stats.old_flows_len);
	}
	if (st->type == TCA_FQ_CODEL_XSTATS_CLASS) {
		print_uint(PRINT_ANY, "deficit", "  deficit %u",
			st->class_stats.deficit);
		print_uint(PRINT_ANY, "count", " count %u",
			st->class_stats.count);
		print_uint(PRINT_ANY, "lastcount", " lastcount %u",
			st->class_stats.lastcount);
		print_uint(PRINT_JSON, "ldelay", NULL,
			st->class_stats.ldelay);
		print_string(PRINT_FP, NULL, " ldelay %s",
			sprint_time(st->class_stats.ldelay, b1));
		if (st->class_stats.dropping) {
			print_bool(PRINT_ANY, "dropping", " dropping", true);
			if (st->class_stats.drop_next < 0)
				print_string(PRINT_FP, NULL, " drop_next -%s",
					sprint_time(-st->class_stats.drop_next, b1));
			else {
				print_uint(PRINT_JSON, "drop_next", NULL,
					st->class_stats.drop_next);
				print_string(PRINT_FP, NULL, " drop_next %s",
					sprint_time(st->class_stats.drop_next, b1));
			}
		}
	}
	return 0;

}

struct qdisc_util fq_codel_qdisc_util = {
	.id		= "fq_codel",
	.parse_qopt	= fq_codel_parse_opt,
	.print_qopt	= fq_codel_print_opt,
	.print_xstats	= fq_codel_print_xstats,
};
Commit	Line	Data
c3524efc ED	1	/*
	2	* Fair Queue Codel
	3	*
df1c7d91	4	* Copyright (C) 2012,2015 Eric Dumazet <edumazet@google.com>
c3524efc ED	5	*
	6	* Redistribution and use in source and binary forms, with or without
	7	* modification, are permitted provided that the following conditions
	8	* are met:
	9	* 1. Redistributions of source code must retain the above copyright
	10	* notice, this list of conditions, and the following disclaimer,
	11	* without modification.
	12	* 2. Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in the
	14	* documentation and/or other materials provided with the distribution.
	15	* 3. The names of the authors may not be used to endorse or promote products
	16	* derived from this software without specific prior written permission.
	17	*
	18	* Alternatively, provided that this notice is retained in full, this
	19	* software may be distributed under the terms of the GNU General
	20	* Public License ("GPL") version 2, in which case the provisions of the
	21	* GPL apply INSTEAD OF those given above.
	22	*
	23	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	24	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	25	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	26	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	27	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	28	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	29	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	30	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	31	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	32	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	33	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
	34	* DAMAGE.
	35	*
	36	*/
	37
	38	#include <stdio.h>
	39	#include <stdlib.h>
	40	#include <unistd.h>
c3524efc ED	41	#include <fcntl.h>
	42	#include <sys/socket.h>
	43	#include <netinet/in.h>
	44	#include <arpa/inet.h>
	45	#include <string.h>
	46
	47	#include "utils.h"
	48	#include "tc_util.h"
	49
	50	static void explain(void)
	51	{
	52	fprintf(stderr, "Usage: ... fq_codel [ limit PACKETS ] [ flows NUMBER ]\n");
d7d044ff	53	fprintf(stderr, " [ memory_limit BYTES ]\n");
4733b18a	54	fprintf(stderr, " [ target TIME ] [ interval TIME ]\n");
c3524efc	55	fprintf(stderr, " [ quantum BYTES ] [ [no]ecn ]\n");
df1c7d91	56	fprintf(stderr, " [ ce_threshold TIME ]\n");
c3524efc ED	57	}
	58
	59	static int fq_codel_parse_opt(struct qdisc_util qu, int argc, char *argv,
927e3cfb	60	struct nlmsghdr n, const char dev)
c3524efc	61	{
32a121cb SH	62	unsigned int limit = 0;
	63	unsigned int flows = 0;
	64	unsigned int target = 0;
	65	unsigned int interval = 0;
	66	unsigned int quantum = 0;
	67	unsigned int ce_threshold = ~0U;
4de4b5ca	68	unsigned int memory = ~0U;
c3524efc ED	69	int ecn = -1;
	70	struct rtattr *tail;
	71
	72	while (argc > 0) {
	73	if (strcmp(*argv, "limit") == 0) {
	74	NEXT_ARG();
	75	if (get_unsigned(&limit, *argv, 0)) {
	76	fprintf(stderr, "Illegal \"limit\"\n");
	77	return -1;
	78	}
	79	} else if (strcmp(*argv, "flows") == 0) {
	80	NEXT_ARG();
	81	if (get_unsigned(&flows, *argv, 0)) {
	82	fprintf(stderr, "Illegal \"flows\"\n");
	83	return -1;
	84	}
	85	} else if (strcmp(*argv, "quantum") == 0) {
	86	NEXT_ARG();
	87	if (get_unsigned(&quantum, *argv, 0)) {
	88	fprintf(stderr, "Illegal \"quantum\"\n");
	89	return -1;
	90	}
	91	} else if (strcmp(*argv, "target") == 0) {
	92	NEXT_ARG();
	93	if (get_time(&target, *argv)) {
	94	fprintf(stderr, "Illegal \"target\"\n");
	95	return -1;
	96	}
df1c7d91 ED	97	} else if (strcmp(*argv, "ce_threshold") == 0) {
	98	NEXT_ARG();
	99	if (get_time(&ce_threshold, *argv)) {
	100	fprintf(stderr, "Illegal \"ce_threshold\"\n");
	101	return -1;
	102	}
4de4b5ca ED	103	} else if (strcmp(*argv, "memory_limit") == 0) {
	104	NEXT_ARG();
	105	if (get_size(&memory, *argv)) {
	106	fprintf(stderr, "Illegal \"memory_limit\"\n");
	107	return -1;
	108	}
c3524efc ED	109	} else if (strcmp(*argv, "interval") == 0) {
	110	NEXT_ARG();
	111	if (get_time(&interval, *argv)) {
	112	fprintf(stderr, "Illegal \"interval\"\n");
	113	return -1;
	114	}
	115	} else if (strcmp(*argv, "ecn") == 0) {
	116	ecn = 1;
	117	} else if (strcmp(*argv, "noecn") == 0) {
	118	ecn = 0;
	119	} else if (strcmp(*argv, "help") == 0) {
	120	explain();
	121	return -1;
	122	} else {
	123	fprintf(stderr, "What is \"%s\"?\n", *argv);
	124	explain();
	125	return -1;
	126	}
	127	argc--; argv++;
	128	}
	129
c14f9d92	130	tail = addattr_nest(n, 1024, TCA_OPTIONS);
c3524efc ED	131	if (limit)
	132	addattr_l(n, 1024, TCA_FQ_CODEL_LIMIT, &limit, sizeof(limit));
	133	if (flows)
	134	addattr_l(n, 1024, TCA_FQ_CODEL_FLOWS, &flows, sizeof(flows));
	135	if (quantum)
	136	addattr_l(n, 1024, TCA_FQ_CODEL_QUANTUM, &quantum, sizeof(quantum));
	137	if (interval)
	138	addattr_l(n, 1024, TCA_FQ_CODEL_INTERVAL, &interval, sizeof(interval));
	139	if (target)
	140	addattr_l(n, 1024, TCA_FQ_CODEL_TARGET, &target, sizeof(target));
	141	if (ecn != -1)
	142	addattr_l(n, 1024, TCA_FQ_CODEL_ECN, &ecn, sizeof(ecn));
df1c7d91 ED	143	if (ce_threshold != ~0U)
	144	addattr_l(n, 1024, TCA_FQ_CODEL_CE_THRESHOLD,
	145	&ce_threshold, sizeof(ce_threshold));
4de4b5ca ED	146	if (memory != ~0U)
	147	addattr_l(n, 1024, TCA_FQ_CODEL_MEMORY_LIMIT,
	148	&memory, sizeof(memory));
	149
c14f9d92	150	addattr_nest_end(n, tail);
c3524efc ED	151	return 0;
	152	}
	153
	154	static int fq_codel_print_opt(struct qdisc_util qu, FILE f, struct rtattr *opt)
	155	{
	156	struct rtattr *tb[TCA_FQ_CODEL_MAX + 1];
32a121cb SH	157	unsigned int limit;
	158	unsigned int flows;
	159	unsigned int interval;
	160	unsigned int target;
	161	unsigned int ecn;
	162	unsigned int quantum;
	163	unsigned int ce_threshold;
4de4b5ca	164	unsigned int memory_limit;
32a121cb	165
c3524efc ED	166	SPRINT_BUF(b1);
	167
	168	if (opt == NULL)
	169	return 0;
	170
	171	parse_rtattr_nested(tb, TCA_FQ_CODEL_MAX, opt);
	172
	173	if (tb[TCA_FQ_CODEL_LIMIT] &&
	174	RTA_PAYLOAD(tb[TCA_FQ_CODEL_LIMIT]) >= sizeof(__u32)) {
	175	limit = rta_getattr_u32(tb[TCA_FQ_CODEL_LIMIT]);
378ac491	176	print_uint(PRINT_ANY, "limit", "limit %up ", limit);
c3524efc ED	177	}
	178	if (tb[TCA_FQ_CODEL_FLOWS] &&
	179	RTA_PAYLOAD(tb[TCA_FQ_CODEL_FLOWS]) >= sizeof(__u32)) {
	180	flows = rta_getattr_u32(tb[TCA_FQ_CODEL_FLOWS]);
378ac491	181	print_uint(PRINT_ANY, "flows", "flows %u ", flows);
c3524efc ED	182	}
	183	if (tb[TCA_FQ_CODEL_QUANTUM] &&
	184	RTA_PAYLOAD(tb[TCA_FQ_CODEL_QUANTUM]) >= sizeof(__u32)) {
	185	quantum = rta_getattr_u32(tb[TCA_FQ_CODEL_QUANTUM]);
378ac491	186	print_uint(PRINT_ANY, "quantum", "quantum %u ", quantum);
c3524efc ED	187	}
	188	if (tb[TCA_FQ_CODEL_TARGET] &&
	189	RTA_PAYLOAD(tb[TCA_FQ_CODEL_TARGET]) >= sizeof(__u32)) {
	190	target = rta_getattr_u32(tb[TCA_FQ_CODEL_TARGET]);
378ac491 JP	191	print_uint(PRINT_JSON, "target", NULL, target);
	192	print_string(PRINT_FP, NULL, "target %s ",
	193	sprint_time(target, b1));
c3524efc	194	}
df1c7d91 ED	195	if (tb[TCA_FQ_CODEL_CE_THRESHOLD] &&
	196	RTA_PAYLOAD(tb[TCA_FQ_CODEL_CE_THRESHOLD]) >= sizeof(__u32)) {
	197	ce_threshold = rta_getattr_u32(tb[TCA_FQ_CODEL_CE_THRESHOLD]);
378ac491 JP	198	print_uint(PRINT_JSON, "ce_threshold", NULL, ce_threshold);
	199	print_string(PRINT_FP, NULL, "ce_threshold %s ",
	200	sprint_time(ce_threshold, b1));
df1c7d91	201	}
c3524efc ED	202	if (tb[TCA_FQ_CODEL_INTERVAL] &&
	203	RTA_PAYLOAD(tb[TCA_FQ_CODEL_INTERVAL]) >= sizeof(__u32)) {
	204	interval = rta_getattr_u32(tb[TCA_FQ_CODEL_INTERVAL]);
378ac491 JP	205	print_uint(PRINT_JSON, "interval", NULL, interval);
	206	print_string(PRINT_FP, NULL, "interval %s ",
	207	sprint_time(interval, b1));
c3524efc	208	}
4de4b5ca ED	209	if (tb[TCA_FQ_CODEL_MEMORY_LIMIT] &&
	210	RTA_PAYLOAD(tb[TCA_FQ_CODEL_MEMORY_LIMIT]) >= sizeof(__u32)) {
	211	memory_limit = rta_getattr_u32(tb[TCA_FQ_CODEL_MEMORY_LIMIT]);
378ac491 JP	212	print_uint(PRINT_JSON, "memory_limit", NULL, memory_limit);
	213	print_string(PRINT_FP, NULL, "memory_limit %s ",
	214	sprint_size(memory_limit, b1));
4de4b5ca	215	}
c3524efc ED	216	if (tb[TCA_FQ_CODEL_ECN] &&
	217	RTA_PAYLOAD(tb[TCA_FQ_CODEL_ECN]) >= sizeof(__u32)) {
	218	ecn = rta_getattr_u32(tb[TCA_FQ_CODEL_ECN]);
	219	if (ecn)
378ac491	220	print_bool(PRINT_ANY, "ecn", "ecn ", true);
c3524efc ED	221	}
	222
	223	return 0;
	224	}
	225
	226	static int fq_codel_print_xstats(struct qdisc_util qu, FILE f,
	227	struct rtattr *xstats)
	228	{
d17b136f	229	struct tc_fq_codel_xstats _st = {}, *st;
32a121cb	230
c3524efc ED	231	SPRINT_BUF(b1);
	232
	233	if (xstats == NULL)
	234	return 0;
	235
c3524efc	236	st = RTA_DATA(xstats);
df1c7d91	237	if (RTA_PAYLOAD(xstats) < sizeof(*st)) {
df1c7d91 ED	238	memcpy(&_st, st, RTA_PAYLOAD(xstats));
	239	st = &_st;
	240	}
c3524efc	241	if (st->type == TCA_FQ_CODEL_XSTATS_QDISC) {
997f2dc1 THJ	242	print_uint(PRINT_ANY, "maxpacket", " maxpacket %u",
	243	st->qdisc_stats.maxpacket);
	244	print_uint(PRINT_ANY, "drop_overlimit", " drop_overlimit %u",
	245	st->qdisc_stats.drop_overlimit);
	246	print_uint(PRINT_ANY, "new_flow_count", " new_flow_count %u",
	247	st->qdisc_stats.new_flow_count);
	248	print_uint(PRINT_ANY, "ecn_mark", " ecn_mark %u",
c3524efc	249	st->qdisc_stats.ecn_mark);
df1c7d91	250	if (st->qdisc_stats.ce_mark)
997f2dc1 THJ	251	print_uint(PRINT_ANY, "ce_mark", " ce_mark %u",
997f2dc1 THJ	252	st->qdisc_stats.ce_mark);
4de4b5ca	253	if (st->qdisc_stats.memory_usage)
997f2dc1 THJ	254	print_uint(PRINT_ANY, "memory_used", " memory_used %u",
997f2dc1 THJ	255	st->qdisc_stats.memory_usage);
4de4b5ca	256	if (st->qdisc_stats.drop_overmemory)
997f2dc1 THJ	257	print_uint(PRINT_ANY, "drop_overmemory", " drop_overmemory %u",
	258	st->qdisc_stats.drop_overmemory);
	259	print_uint(PRINT_ANY, "new_flows_len", "\n new_flows_len %u",
	260	st->qdisc_stats.new_flows_len);
	261	print_uint(PRINT_ANY, "old_flows_len", " old_flows_len %u",
c3524efc ED	262	st->qdisc_stats.old_flows_len);
	263	}
	264	if (st->type == TCA_FQ_CODEL_XSTATS_CLASS) {
997f2dc1 THJ	265	print_uint(PRINT_ANY, "deficit", " deficit %u",
	266	st->class_stats.deficit);
	267	print_uint(PRINT_ANY, "count", " count %u",
	268	st->class_stats.count);
	269	print_uint(PRINT_ANY, "lastcount", " lastcount %u",
	270	st->class_stats.lastcount);
	271	print_uint(PRINT_JSON, "ldelay", NULL,
	272	st->class_stats.ldelay);
	273	print_string(PRINT_FP, NULL, " ldelay %s",
c3524efc ED	274	sprint_time(st->class_stats.ldelay, b1));
c3524efc ED	275	if (st->class_stats.dropping) {
997f2dc1	276	print_bool(PRINT_ANY, "dropping", " dropping", true);
c3524efc	277	if (st->class_stats.drop_next < 0)
997f2dc1	278	print_string(PRINT_FP, NULL, " drop_next -%s",
c3524efc	279	sprint_time(-st->class_stats.drop_next, b1));
997f2dc1 THJ	280	else {
	281	print_uint(PRINT_JSON, "drop_next", NULL,
	282	st->class_stats.drop_next);
	283	print_string(PRINT_FP, NULL, " drop_next %s",
c3524efc	284	sprint_time(st->class_stats.drop_next, b1));
997f2dc1	285	}
c3524efc ED	286	}
	287	}
	288	return 0;
	289
	290	}
	291
	292	struct qdisc_util fq_codel_qdisc_util = {
	293	.id = "fq_codel",
	294	.parse_qopt = fq_codel_parse_opt,
	295	.print_qopt = fq_codel_print_opt,
	296	.print_xstats = fq_codel_print_xstats,
	297	};