/*

 * q_multiq.c		Multiqueue aware qdisc

 *

 * Copyright (c) 2008, Intel Corporation.

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms and conditions of the GNU General Public License,

 * version 2, as published by the Free Software Foundation.

 *

 * This program is distributed in the hope it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

 * more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, see <http://www.gnu.org/licenses>.

 *

 * Author: Alexander Duyck <alexander.h.duyck@intel.com>

 *

 * Original Authors:	PJ Waskiewicz, <peter.p.waskiewicz.jr@intel.com> (RR)

 *			Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> (from PRIO)

 *

 */

#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: ... multiq [help]\n");

}

static int multiq_parse_opt(struct qdisc_util *qu, int argc, char **argv,

			    struct nlmsghdr *n, const char *dev)

{

	struct tc_multiq_qopt opt = {};

	if (argc) {

		if (strcmp(*argv, "help") == 0) {

			explain();

			return -1;

		} else {

			fprintf(stderr, "What is \"%s\"?\n", *argv);

			explain();

			return -1;

		}

	}

	addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt));

	return 0;

}

static int multiq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)

{

	struct tc_multiq_qopt *qopt;

	if (opt == NULL)

		return 0;

	if (RTA_PAYLOAD(opt) < sizeof(*qopt))

		return 0;

	qopt = RTA_DATA(opt);

	fprintf(f, "bands %u/%u ", qopt->bands, qopt->max_bands);

	return 0;

}

struct qdisc_util multiq_qdisc_util = {

	.id		= "multiq",

	.parse_qopt	= multiq_parse_opt,

	.print_qopt	= multiq_print_opt,

};