[mirror_iproute2.git] / tc / q_mqprio.c

/*
 * q_mqprio.c	MQ prio qdisc
 *
 *		This program is free software; you can redistribute it and/or
 *		modify it under the terms of the GNU General Public License
 *		as published by the Free Software Foundation; either version
 *		2 of the License, or (at your option) any later version.
 *
 * Author:	John Fastabend, <john.r.fastabend@intel.com>
 */

#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: ... mqprio	[num_tc NUMBER] [map P0 P1 ...]\n"
		"			[queues count1@offset1 count2@offset2 ...] "
		"[hw 1|0]\n"
		"			[mode dcb|channel]\n"
		"			[shaper bw_rlimit SHAPER_PARAMS]\n"
		"Where: SHAPER_PARAMS := { min_rate MIN_RATE1 MIN_RATE2 ...|\n"
		"			  max_rate MAX_RATE1 MAX_RATE2 ... }\n");
}

static int mqprio_parse_opt(struct qdisc_util *qu, int argc,
			    char **argv, struct nlmsghdr *n, const char *dev)
{
	int idx;
	struct tc_mqprio_qopt opt = {
		.num_tc = 8,
		.prio_tc_map = { 0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 1, 1, 3, 3, 3, 3 },
		.hw = 1,
		.count = { },
		.offset = { },
	};
	__u64 min_rate64[TC_QOPT_MAX_QUEUE] = {0};
	__u64 max_rate64[TC_QOPT_MAX_QUEUE] = {0};
	__u16 shaper = TC_MQPRIO_SHAPER_DCB;
	__u16 mode = TC_MQPRIO_MODE_DCB;
	int cnt_off_pairs = 0;
	struct rtattr *tail;
	__u32 flags = 0;

	while (argc > 0) {
		idx = 0;
		if (strcmp(*argv, "num_tc") == 0) {
			NEXT_ARG();
			if (get_u8(&opt.num_tc, *argv, 10)) {
				fprintf(stderr, "Illegal \"num_tc\"\n");
				return -1;
			}
		} else if (strcmp(*argv, "map") == 0) {
			while (idx < TC_QOPT_MAX_QUEUE && NEXT_ARG_OK()) {
				NEXT_ARG();
				if (get_u8(&opt.prio_tc_map[idx], *argv, 10)) {
					PREV_ARG();
					break;
				}
				idx++;
			}
			for ( ; idx < TC_QOPT_MAX_QUEUE; idx++)
				opt.prio_tc_map[idx] = 0;
		} else if (strcmp(*argv, "queues") == 0) {
			char *tmp, *tok;

			while (idx < TC_QOPT_MAX_QUEUE && NEXT_ARG_OK()) {
				NEXT_ARG();

				tmp = strdup(*argv);
				if (!tmp)
					break;

				tok = strtok(tmp, "@");
				if (get_u16(&opt.count[idx], tok, 10)) {
					free(tmp);
					PREV_ARG();
					break;
				}
				tok = strtok(NULL, "@");
				if (get_u16(&opt.offset[idx], tok, 10)) {
					free(tmp);
					PREV_ARG();
					break;
				}
				free(tmp);
				idx++;
				cnt_off_pairs++;
			}
		} else if (strcmp(*argv, "hw") == 0) {
			NEXT_ARG();
			if (get_u8(&opt.hw, *argv, 10)) {
				fprintf(stderr, "Illegal \"hw\"\n");
				return -1;
			}
			idx++;
		} else if (opt.hw && strcmp(*argv, "mode") == 0) {
			NEXT_ARG();
			if (matches(*argv, "dcb") == 0) {
				mode = TC_MQPRIO_MODE_DCB;
			} else if (matches(*argv, "channel") == 0) {
				mode = TC_MQPRIO_MODE_CHANNEL;
			}  else {
				fprintf(stderr, "Illegal mode (%s)\n",
					*argv);
				return -1;
			}
			if (mode != TC_MQPRIO_MODE_DCB)
				flags |= TC_MQPRIO_F_MODE;
			idx++;
		} else if (opt.hw && strcmp(*argv, "shaper") == 0) {
			NEXT_ARG();
			if (matches(*argv, "dcb") == 0) {
				shaper = TC_MQPRIO_SHAPER_DCB;
			} else if (matches(*argv, "bw_rlimit") == 0) {
				shaper = TC_MQPRIO_SHAPER_BW_RATE;
				if (!NEXT_ARG_OK()) {
					fprintf(stderr, "Incomplete shaper arguments\n");
					return -1;
				}
			}  else {
				fprintf(stderr, "Illegal shaper (%s)\n",
					*argv);
				return -1;
			}
			if (shaper != TC_MQPRIO_SHAPER_DCB)
				flags |= TC_MQPRIO_F_SHAPER;
			idx++;
		} else if ((shaper == TC_MQPRIO_SHAPER_BW_RATE) &&
			   strcmp(*argv, "min_rate") == 0) {
			while (idx < TC_QOPT_MAX_QUEUE && NEXT_ARG_OK()) {
				NEXT_ARG();
				if (get_rate64(&min_rate64[idx], *argv)) {
					PREV_ARG();
					break;
				}
				idx++;
			}
			if (idx < opt.num_tc && !NEXT_ARG_OK()) {
				fprintf(stderr, "Incomplete arguments, min_rate values expected\n");
				return -1;
			}
			flags |= TC_MQPRIO_F_MIN_RATE;
		} else if ((shaper == TC_MQPRIO_SHAPER_BW_RATE) &&
			   strcmp(*argv, "max_rate") == 0) {
			while (idx < TC_QOPT_MAX_QUEUE && NEXT_ARG_OK()) {
				NEXT_ARG();
				if (get_rate64(&max_rate64[idx], *argv)) {
					PREV_ARG();
					break;
				}
				idx++;
			}
			if (idx < opt.num_tc && !NEXT_ARG_OK()) {
				fprintf(stderr, "Incomplete arguments, max_rate values expected\n");
				return -1;
			}
			flags |= TC_MQPRIO_F_MAX_RATE;
		} else if (strcmp(*argv, "help") == 0) {
			explain();
			return -1;
		} else {
			invarg("unknown argument", *argv);
		}
		argc--; argv++;
	}

	if (cnt_off_pairs > opt.num_tc) {
		fprintf(stderr, "queues count/offset pair count %d can not be higher than given num_tc %d\n",
			cnt_off_pairs, opt.num_tc);
		return -1;
	}

	tail = NLMSG_TAIL(n);
	addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt));

	if (flags & TC_MQPRIO_F_MODE)
		addattr_l(n, 1024, TCA_MQPRIO_MODE,
			  &mode, sizeof(mode));
	if (flags & TC_MQPRIO_F_SHAPER)
		addattr_l(n, 1024, TCA_MQPRIO_SHAPER,
			  &shaper, sizeof(shaper));

	if (flags & TC_MQPRIO_F_MIN_RATE) {
		struct rtattr *start;

		start = addattr_nest(n, 1024,
				     TCA_MQPRIO_MIN_RATE64 | NLA_F_NESTED);

		for (idx = 0; idx < TC_QOPT_MAX_QUEUE; idx++)
			addattr_l(n, 1024, TCA_MQPRIO_MIN_RATE64,
				  &min_rate64[idx], sizeof(min_rate64[idx]));

		addattr_nest_end(n, start);
	}

	if (flags & TC_MQPRIO_F_MAX_RATE) {
		struct rtattr *start;

		start = addattr_nest(n, 1024,
				     TCA_MQPRIO_MAX_RATE64 | NLA_F_NESTED);

		for (idx = 0; idx < TC_QOPT_MAX_QUEUE; idx++)
			addattr_l(n, 1024, TCA_MQPRIO_MAX_RATE64,
				  &max_rate64[idx], sizeof(max_rate64[idx]));

		addattr_nest_end(n, start);
	}

	tail->rta_len = (void *)NLMSG_TAIL(n) - (void *)tail;

	return 0;
}

static int mqprio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
	int i;
	struct tc_mqprio_qopt *qopt;
	__u64 min_rate64[TC_QOPT_MAX_QUEUE] = {0};
	__u64 max_rate64[TC_QOPT_MAX_QUEUE] = {0};
	int len;

	SPRINT_BUF(b1);

	if (opt == NULL)
		return 0;

	len = RTA_PAYLOAD(opt) - RTA_ALIGN(sizeof(*qopt));
	if (len < 0) {
		fprintf(stderr, "options size error\n");
		return -1;
	}

	qopt = RTA_DATA(opt);

	print_uint(PRINT_ANY, "tc", "tc %u ", qopt->num_tc);
	open_json_array(PRINT_ANY, is_json_context() ? "map" : "map ");
	for (i = 0; i <= TC_PRIO_MAX; i++)
		print_uint(PRINT_ANY, NULL, "%u ", qopt->prio_tc_map[i]);
	close_json_array(PRINT_ANY, "");
	open_json_array(PRINT_ANY, is_json_context() ? "queues" : "\n             queues:");
	for (i = 0; i < qopt->num_tc; i++) {
		open_json_array(PRINT_JSON, NULL);
		print_uint(PRINT_ANY, NULL, "(%u:", qopt->offset[i]);
		print_uint(PRINT_ANY, NULL, "%u) ", qopt->offset[i] + qopt->count[i] - 1);
		close_json_array(PRINT_JSON, NULL);
	}
	close_json_array(PRINT_ANY, "");

	if (len > 0) {
		struct rtattr *tb[TCA_MQPRIO_MAX + 1];

		parse_rtattr(tb, TCA_MQPRIO_MAX,
			     RTA_DATA(opt) + RTA_ALIGN(sizeof(*qopt)),
			     len);

		if (tb[TCA_MQPRIO_MODE]) {
			__u16 *mode = RTA_DATA(tb[TCA_MQPRIO_MODE]);

			if (*mode == TC_MQPRIO_MODE_CHANNEL)
				print_string(PRINT_ANY, "mode", "\n             mode:%s", "channel");
		} else {
			print_string(PRINT_ANY, "mode", "\n             mode:%s", "dcb");
		}

		if (tb[TCA_MQPRIO_SHAPER]) {
			__u16 *shaper = RTA_DATA(tb[TCA_MQPRIO_SHAPER]);

			if (*shaper == TC_MQPRIO_SHAPER_BW_RATE)
				print_string(PRINT_ANY, "shaper", "\n             shaper:%s", "bw_rlimit");
		} else {
			print_string(PRINT_ANY, "shaper", "\n             shaper:%s", "dcb");
		}

		if (tb[TCA_MQPRIO_MIN_RATE64]) {
			struct rtattr *r;
			int rem = RTA_PAYLOAD(tb[TCA_MQPRIO_MIN_RATE64]);
			__u64 *min = min_rate64;

			for (r = RTA_DATA(tb[TCA_MQPRIO_MIN_RATE64]);
			     RTA_OK(r, rem); r = RTA_NEXT(r, rem)) {
				if (r->rta_type != TCA_MQPRIO_MIN_RATE64)
					return -1;
				*(min++) = rta_getattr_u64(r);
			}
			open_json_array(PRINT_ANY, is_json_context() ? "min_rate" : "	min_rate:");
			for (i = 0; i < qopt->num_tc; i++)
				print_string(PRINT_ANY, NULL, "%s ", sprint_rate(min_rate64[i], b1));
			close_json_array(PRINT_ANY, "");
		}

		if (tb[TCA_MQPRIO_MAX_RATE64]) {
			struct rtattr *r;
			int rem = RTA_PAYLOAD(tb[TCA_MQPRIO_MAX_RATE64]);
			__u64 *max = max_rate64;

			for (r = RTA_DATA(tb[TCA_MQPRIO_MAX_RATE64]);
			     RTA_OK(r, rem); r = RTA_NEXT(r, rem)) {
				if (r->rta_type != TCA_MQPRIO_MAX_RATE64)
					return -1;
				*(max++) = rta_getattr_u64(r);
			}
			open_json_array(PRINT_ANY, is_json_context() ? "max_rate" : "	max_rate:");
			for (i = 0; i < qopt->num_tc; i++)
				print_string(PRINT_ANY, NULL, "%s ", sprint_rate(max_rate64[i], b1));
			close_json_array(PRINT_ANY, "");
		}
	}
	return 0;
}

struct qdisc_util mqprio_qdisc_util = {
	.id		= "mqprio",
	.parse_qopt	= mqprio_parse_opt,
	.print_qopt	= mqprio_print_opt,
};
Commit	Line	Data
91495304 JF	1	/*
	2	* q_mqprio.c MQ prio qdisc
	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	* Author: John Fastabend, <john.r.fastabend@intel.com>
	10	*/
	11
	12	#include <stdio.h>
	13	#include <stdlib.h>
	14	#include <unistd.h>
91495304 JF	15	#include <fcntl.h>
	16	#include <sys/socket.h>
	17	#include <netinet/in.h>
	18	#include <arpa/inet.h>
	19	#include <string.h>
	20
	21	#include "utils.h"
	22	#include "tc_util.h"
	23
	24	static void explain(void)
	25	{
8589eb4e MC	26	fprintf(stderr,
	27	"Usage: ... mqprio [num_tc NUMBER] [map P0 P1 ...]\n"
	28	" [queues count1@offset1 count2@offset2 ...] "
	29	"[hw 1\|0]\n"
	30	" [mode dcb\|channel]\n"
	31	" [shaper bw_rlimit SHAPER_PARAMS]\n"
e1ac5b06	32	"Where: SHAPER_PARAMS := { min_rate MIN_RATE1 MIN_RATE2 ...\|\n"
8589eb4e	33	" max_rate MAX_RATE1 MAX_RATE2 ... }\n");
91495304 JF	34	}
	35
	36	static int mqprio_parse_opt(struct qdisc_util *qu, int argc,
927e3cfb	37	char *argv, struct nlmsghdr n, const char *dev)
91495304 JF	38	{
	39	int idx;
	40	struct tc_mqprio_qopt opt = {
c4fc474b SH	41	.num_tc = 8,
	42	.prio_tc_map = { 0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 1, 1, 3, 3, 3, 3 },
	43	.hw = 1,
	44	.count = { },
	45	.offset = { },
	46	};
e1ac5b06 AN	47	__u64 min_rate64[TC_QOPT_MAX_QUEUE] = {0};
	48	__u64 max_rate64[TC_QOPT_MAX_QUEUE] = {0};
	49	__u16 shaper = TC_MQPRIO_SHAPER_DCB;
	50	__u16 mode = TC_MQPRIO_MODE_DCB;
42796dcd	51	int cnt_off_pairs = 0;
e1ac5b06 AN	52	struct rtattr *tail;
e1ac5b06 AN	53	__u32 flags = 0;
91495304 JF	54
	55	while (argc > 0) {
	56	idx = 0;
	57	if (strcmp(*argv, "num_tc") == 0) {
	58	NEXT_ARG();
	59	if (get_u8(&opt.num_tc, *argv, 10)) {
	60	fprintf(stderr, "Illegal \"num_tc\"\n");
	61	return -1;
	62	}
	63	} else if (strcmp(*argv, "map") == 0) {
	64	while (idx < TC_QOPT_MAX_QUEUE && NEXT_ARG_OK()) {
	65	NEXT_ARG();
	66	if (get_u8(&opt.prio_tc_map[idx], *argv, 10)) {
	67	PREV_ARG();
	68	break;
	69	}
	70	idx++;
	71	}
	72	for ( ; idx < TC_QOPT_MAX_QUEUE; idx++)
	73	opt.prio_tc_map[idx] = 0;
892eba30 JF	74	} else if (strcmp(*argv, "queues") == 0) {
	75	char tmp, tok;
	76
91495304 JF	77	while (idx < TC_QOPT_MAX_QUEUE && NEXT_ARG_OK()) {
91495304 JF	78	NEXT_ARG();
892eba30 JF	79
	80	tmp = strdup(*argv);
	81	if (!tmp)
	82	break;
	83
	84	tok = strtok(tmp, "@");
	85	if (get_u16(&opt.count[idx], tok, 10)) {
	86	free(tmp);
91495304 JF	87	PREV_ARG();
	88	break;
	89	}
892eba30 JF	90	tok = strtok(NULL, "@");
	91	if (get_u16(&opt.offset[idx], tok, 10)) {
	92	free(tmp);
91495304 JF	93	PREV_ARG();
	94	break;
	95	}
892eba30	96	free(tmp);
91495304	97	idx++;
42796dcd	98	cnt_off_pairs++;
91495304 JF	99	}
	100	} else if (strcmp(*argv, "hw") == 0) {
	101	NEXT_ARG();
	102	if (get_u8(&opt.hw, *argv, 10)) {
	103	fprintf(stderr, "Illegal \"hw\"\n");
	104	return -1;
	105	}
	106	idx++;
e1ac5b06 AN	107	} else if (opt.hw && strcmp(*argv, "mode") == 0) {
	108	NEXT_ARG();
	109	if (matches(*argv, "dcb") == 0) {
	110	mode = TC_MQPRIO_MODE_DCB;
	111	} else if (matches(*argv, "channel") == 0) {
	112	mode = TC_MQPRIO_MODE_CHANNEL;
	113	} else {
	114	fprintf(stderr, "Illegal mode (%s)\n",
	115	*argv);
	116	return -1;
	117	}
	118	if (mode != TC_MQPRIO_MODE_DCB)
	119	flags \|= TC_MQPRIO_F_MODE;
	120	idx++;
	121	} else if (opt.hw && strcmp(*argv, "shaper") == 0) {
	122	NEXT_ARG();
	123	if (matches(*argv, "dcb") == 0) {
	124	shaper = TC_MQPRIO_SHAPER_DCB;
	125	} else if (matches(*argv, "bw_rlimit") == 0) {
	126	shaper = TC_MQPRIO_SHAPER_BW_RATE;
	127	if (!NEXT_ARG_OK()) {
	128	fprintf(stderr, "Incomplete shaper arguments\n");
	129	return -1;
	130	}
	131	} else {
	132	fprintf(stderr, "Illegal shaper (%s)\n",
	133	*argv);
	134	return -1;
	135	}
	136	if (shaper != TC_MQPRIO_SHAPER_DCB)
	137	flags \|= TC_MQPRIO_F_SHAPER;
	138	idx++;
	139	} else if ((shaper == TC_MQPRIO_SHAPER_BW_RATE) &&
	140	strcmp(*argv, "min_rate") == 0) {
	141	while (idx < TC_QOPT_MAX_QUEUE && NEXT_ARG_OK()) {
	142	NEXT_ARG();
	143	if (get_rate64(&min_rate64[idx], *argv)) {
	144	PREV_ARG();
	145	break;
	146	}
	147	idx++;
	148	}
	149	if (idx < opt.num_tc && !NEXT_ARG_OK()) {
	150	fprintf(stderr, "Incomplete arguments, min_rate values expected\n");
	151	return -1;
	152	}
	153	flags \|= TC_MQPRIO_F_MIN_RATE;
	154	} else if ((shaper == TC_MQPRIO_SHAPER_BW_RATE) &&
	155	strcmp(*argv, "max_rate") == 0) {
	156	while (idx < TC_QOPT_MAX_QUEUE && NEXT_ARG_OK()) {
	157	NEXT_ARG();
	158	if (get_rate64(&max_rate64[idx], *argv)) {
	159	PREV_ARG();
	160	break;
	161	}
	162	idx++;
	163	}
	164	if (idx < opt.num_tc && !NEXT_ARG_OK()) {
	165	fprintf(stderr, "Incomplete arguments, max_rate values expected\n");
	166	return -1;
	167	}
	168	flags \|= TC_MQPRIO_F_MAX_RATE;
91495304 JF	169	} else if (strcmp(*argv, "help") == 0) {
	170	explain();
	171	return -1;
	172	} else {
40c2916f	173	invarg("unknown argument", *argv);
91495304 JF	174	}
	175	argc--; argv++;
	176	}
	177
42796dcd MF	178	if (cnt_off_pairs > opt.num_tc) {
	179	fprintf(stderr, "queues count/offset pair count %d can not be higher than given num_tc %d\n",
	180	cnt_off_pairs, opt.num_tc);
	181	return -1;
	182	}
	183
b625e361 JSP	184	tail = NLMSG_TAIL(n);
b625e361 JSP	185	addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt));
e1ac5b06 AN	186
	187	if (flags & TC_MQPRIO_F_MODE)
	188	addattr_l(n, 1024, TCA_MQPRIO_MODE,
	189	&mode, sizeof(mode));
	190	if (flags & TC_MQPRIO_F_SHAPER)
	191	addattr_l(n, 1024, TCA_MQPRIO_SHAPER,
	192	&shaper, sizeof(shaper));
	193
	194	if (flags & TC_MQPRIO_F_MIN_RATE) {
	195	struct rtattr *start;
	196
	197	start = addattr_nest(n, 1024,
	198	TCA_MQPRIO_MIN_RATE64 \| NLA_F_NESTED);
	199
	200	for (idx = 0; idx < TC_QOPT_MAX_QUEUE; idx++)
	201	addattr_l(n, 1024, TCA_MQPRIO_MIN_RATE64,
	202	&min_rate64[idx], sizeof(min_rate64[idx]));
	203
	204	addattr_nest_end(n, start);
	205	}
	206
	207	if (flags & TC_MQPRIO_F_MAX_RATE) {
	208	struct rtattr *start;
	209
	210	start = addattr_nest(n, 1024,
	211	TCA_MQPRIO_MAX_RATE64 \| NLA_F_NESTED);
	212
	213	for (idx = 0; idx < TC_QOPT_MAX_QUEUE; idx++)
	214	addattr_l(n, 1024, TCA_MQPRIO_MAX_RATE64,
	215	&max_rate64[idx], sizeof(max_rate64[idx]));
	216
	217	addattr_nest_end(n, start);
	218	}
	219
b625e361	220	tail->rta_len = (void )NLMSG_TAIL(n) - (void )tail;
e1ac5b06	221
91495304 JF	222	return 0;
	223	}
	224
d1f28cf1	225	static int mqprio_print_opt(struct qdisc_util qu, FILE f, struct rtattr *opt)
91495304 JF	226	{
	227	int i;
	228	struct tc_mqprio_qopt *qopt;
e1ac5b06 AN	229	__u64 min_rate64[TC_QOPT_MAX_QUEUE] = {0};
	230	__u64 max_rate64[TC_QOPT_MAX_QUEUE] = {0};
	231	int len;
	232
	233	SPRINT_BUF(b1);
91495304 JF	234
	235	if (opt == NULL)
	236	return 0;
	237
e1ac5b06 AN	238	len = RTA_PAYLOAD(opt) - RTA_ALIGN(sizeof(*qopt));
	239	if (len < 0) {
	240	fprintf(stderr, "options size error\n");
	241	return -1;
	242	}
	243
91495304 JF	244	qopt = RTA_DATA(opt);
91495304 JF	245
755b1c58 LB	246	print_uint(PRINT_ANY, "tc", "tc %u ", qopt->num_tc);
755b1c58 LB	247	open_json_array(PRINT_ANY, is_json_context() ? "map" : "map ");
91495304	248	for (i = 0; i <= TC_PRIO_MAX; i++)
755b1c58 LB	249	print_uint(PRINT_ANY, NULL, "%u ", qopt->prio_tc_map[i]);
	250	close_json_array(PRINT_ANY, "");
	251	open_json_array(PRINT_ANY, is_json_context() ? "queues" : "\n queues:");
	252	for (i = 0; i < qopt->num_tc; i++) {
	253	open_json_array(PRINT_JSON, NULL);
	254	print_uint(PRINT_ANY, NULL, "(%u:", qopt->offset[i]);
	255	print_uint(PRINT_ANY, NULL, "%u) ", qopt->offset[i] + qopt->count[i] - 1);
	256	close_json_array(PRINT_JSON, NULL);
	257	}
	258	close_json_array(PRINT_ANY, "");
e1ac5b06 AN	259
	260	if (len > 0) {
	261	struct rtattr *tb[TCA_MQPRIO_MAX + 1];
	262
	263	parse_rtattr(tb, TCA_MQPRIO_MAX,
	264	RTA_DATA(opt) + RTA_ALIGN(sizeof(*qopt)),
	265	len);
	266
	267	if (tb[TCA_MQPRIO_MODE]) {
	268	__u16 *mode = RTA_DATA(tb[TCA_MQPRIO_MODE]);
	269
	270	if (*mode == TC_MQPRIO_MODE_CHANNEL)
755b1c58	271	print_string(PRINT_ANY, "mode", "\n mode:%s", "channel");
e1ac5b06	272	} else {
755b1c58	273	print_string(PRINT_ANY, "mode", "\n mode:%s", "dcb");
e1ac5b06 AN	274	}
	275
	276	if (tb[TCA_MQPRIO_SHAPER]) {
	277	__u16 *shaper = RTA_DATA(tb[TCA_MQPRIO_SHAPER]);
	278
	279	if (*shaper == TC_MQPRIO_SHAPER_BW_RATE)
755b1c58	280	print_string(PRINT_ANY, "shaper", "\n shaper:%s", "bw_rlimit");
e1ac5b06	281	} else {
755b1c58	282	print_string(PRINT_ANY, "shaper", "\n shaper:%s", "dcb");
e1ac5b06 AN	283	}
	284
	285	if (tb[TCA_MQPRIO_MIN_RATE64]) {
	286	struct rtattr *r;
	287	int rem = RTA_PAYLOAD(tb[TCA_MQPRIO_MIN_RATE64]);
	288	__u64 *min = min_rate64;
	289
	290	for (r = RTA_DATA(tb[TCA_MQPRIO_MIN_RATE64]);
	291	RTA_OK(r, rem); r = RTA_NEXT(r, rem)) {
	292	if (r->rta_type != TCA_MQPRIO_MIN_RATE64)
	293	return -1;
	294	*(min++) = rta_getattr_u64(r);
	295	}
755b1c58	296	open_json_array(PRINT_ANY, is_json_context() ? "min_rate" : " min_rate:");
e1ac5b06	297	for (i = 0; i < qopt->num_tc; i++)
755b1c58 LB	298	print_string(PRINT_ANY, NULL, "%s ", sprint_rate(min_rate64[i], b1));
755b1c58 LB	299	close_json_array(PRINT_ANY, "");
e1ac5b06 AN	300	}
	301
	302	if (tb[TCA_MQPRIO_MAX_RATE64]) {
	303	struct rtattr *r;
	304	int rem = RTA_PAYLOAD(tb[TCA_MQPRIO_MAX_RATE64]);
	305	__u64 *max = max_rate64;
	306
	307	for (r = RTA_DATA(tb[TCA_MQPRIO_MAX_RATE64]);
	308	RTA_OK(r, rem); r = RTA_NEXT(r, rem)) {
	309	if (r->rta_type != TCA_MQPRIO_MAX_RATE64)
	310	return -1;
	311	*(max++) = rta_getattr_u64(r);
	312	}
755b1c58	313	open_json_array(PRINT_ANY, is_json_context() ? "max_rate" : " max_rate:");
e1ac5b06	314	for (i = 0; i < qopt->num_tc; i++)
755b1c58 LB	315	print_string(PRINT_ANY, NULL, "%s ", sprint_rate(max_rate64[i], b1));
755b1c58 LB	316	close_json_array(PRINT_ANY, "");
e1ac5b06 AN	317	}
e1ac5b06 AN	318	}
91495304 JF	319	return 0;
	320	}
	321
	322	struct qdisc_util mqprio_qdisc_util = {
	323	.id = "mqprio",
	324	.parse_qopt = mqprio_parse_opt,
	325	.print_qopt = mqprio_print_opt,
	326	};