109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/* $NetBSD: qdisc_conf.c,v 1.3 2001/08/16 07:48:11 itojun Exp $ */
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/* $KAME: qdisc_conf.c,v 1.4 2001/08/15 12:51:59 kjc Exp $ */
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/*
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* Copyright (C) 1999-2000
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* Sony Computer Science Laboratories, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/socket.h>
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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#include <sys/ioctl.h>
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#endif
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#include <sys/fcntl.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <altq/altq.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <err.h>
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#include "altqstat.h"
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#define ALTQ_DEVICE "/dev/altq/altq"
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struct qdisc_conf qdisc_table[] = {
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{"cbq", ALTQT_CBQ, cbq_stat_loop},
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{"hfsc", ALTQT_HFSC, hfsc_stat_loop},
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{"cdnr", ALTQT_CDNR, cdnr_stat_loop},
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{"wfq", ALTQT_WFQ, wfq_stat_loop},
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{"fifoq", ALTQT_FIFOQ, fifoq_stat_loop},
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{"red", ALTQT_RED, red_stat_loop},
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{"rio", ALTQT_RIO, rio_stat_loop},
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{"blue", ALTQT_BLUE, blue_stat_loop},
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{"priq", ALTQT_PRIQ, priq_stat_loop},
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{NULL, 0, NULL}
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};
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stat_loop_t *
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qdisc2stat_loop(const char *qdisc_name)
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{
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struct qdisc_conf *stat;
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for (stat = qdisc_table; stat->qdisc_name != NULL; stat++)
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if (strcmp(stat->qdisc_name, qdisc_name) == 0)
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return (stat->stat_loop);
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return (NULL);
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}
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int
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ifname2qdisc(const char *ifname, char *qname)
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{
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struct altqreq qtypereq;
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int fd, qtype = 0;
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if (ifname[0] == '_') {
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/* input interface */
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if (qname != NULL)
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strlcpy(qname, "cdnr", 64);
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return (ALTQT_CDNR);
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}
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strlcpy(qtypereq.ifname, ifname, sizeof(qtypereq.ifname));
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if ((fd = open(ALTQ_DEVICE, O_RDONLY)) < 0) {
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warn("can't open %s", ALTQ_DEVICE);
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return (0);
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}
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if (ioctl(fd, ALTQGTYPE, &qtypereq) < 0) {
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warn("ALTQGQTYPE");
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return (0);
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}
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close(fd);
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if (qname != NULL) {
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struct qdisc_conf *stat;
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qtype = qtypereq.arg;
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for (stat = qdisc_table; stat->qdisc_name != NULL; stat++)
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if (stat->altqtype == qtype)
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strlcpy(qname, stat->qdisc_name, 64);
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}
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return (qtype);
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}
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