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/* $KAME: qdisc_conf.c,v 1.4 2001/08/15 12:51:59 kjc Exp $ */
/*
* Copyright (C) 1999-2000
* Sony Computer Science Laboratories, Inc. All rights reserved.
*
* 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.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY SONY CSL 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 SONY CSL 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 <sys/param.h>
#include <sys/socket.h>
#if defined(__NetBSD__) || defined(__OpenBSD__)
#include <sys/ioctl.h>
#endif
#include <sys/fcntl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <altq/altq.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <err.h>
#include "altqstat.h"
#define ALTQ_DEVICE "/dev/altq/altq"
struct qdisc_conf qdisc_table[] = {
{"cbq", ALTQT_CBQ, cbq_stat_loop},
{"hfsc", ALTQT_HFSC, hfsc_stat_loop},
{"cdnr", ALTQT_CDNR, cdnr_stat_loop},
{"wfq", ALTQT_WFQ, wfq_stat_loop},
{"fifoq", ALTQT_FIFOQ, fifoq_stat_loop},
{"red", ALTQT_RED, red_stat_loop},
{"rio", ALTQT_RIO, rio_stat_loop},
{"blue", ALTQT_BLUE, blue_stat_loop},
{"priq", ALTQT_PRIQ, priq_stat_loop},
{NULL, 0, NULL}
};
stat_loop_t *
qdisc2stat_loop(const char *qdisc_name)
{
struct qdisc_conf *stat;
for (stat = qdisc_table; stat->qdisc_name != NULL; stat++)
if (strcmp(stat->qdisc_name, qdisc_name) == 0)
return (stat->stat_loop);
return (NULL);
}
int
ifname2qdisc(const char *ifname, char *qname)
{
struct altqreq qtypereq;
int fd, qtype = 0;
if (ifname[0] == '_') {
/* input interface */
if (qname != NULL)
strlcpy(qname, "cdnr", 64);
return (ALTQT_CDNR);
}
strlcpy(qtypereq.ifname, ifname, sizeof(qtypereq.ifname));
if ((fd = open(ALTQ_DEVICE, O_RDONLY)) < 0) {
warn("can't open %s", ALTQ_DEVICE);
return (0);
}
if (ioctl(fd, ALTQGTYPE, &qtypereq) < 0) {
warn("ALTQGQTYPE");
return (0);
}
close(fd);
if (qname != NULL) {
struct qdisc_conf *stat;
qtype = qtypereq.arg;
for (stat = qdisc_table; stat->qdisc_name != NULL; stat++)
if (stat->altqtype == qtype)
strlcpy(qname, stat->qdisc_name, 64);
}
return (qtype);
}
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