386 lines
8.8 KiB
C
386 lines
8.8 KiB
C
/* $NetBSD: altq_conf.c,v 1.18 2006/10/20 21:55:56 elad Exp $ */
|
|
/* $KAME: altq_conf.c,v 1.24 2005/04/13 03:44:24 suz Exp $ */
|
|
|
|
/*
|
|
* Copyright (C) 1997-2003
|
|
* 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/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: altq_conf.c,v 1.18 2006/10/20 21:55:56 elad Exp $");
|
|
|
|
#ifdef _KERNEL_OPT
|
|
#include "opt_altq.h"
|
|
#include "opt_inet.h"
|
|
#endif
|
|
|
|
/*
|
|
* altq device interface.
|
|
*/
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/kauth.h>
|
|
|
|
#include <net/if.h>
|
|
|
|
#include <altq/altq.h>
|
|
#include <altq/altqconf.h>
|
|
#include <altq/altq_conf.h>
|
|
|
|
#ifdef ALTQ3_COMPAT
|
|
|
|
#ifdef ALTQ_CBQ
|
|
altqdev_decl(cbq);
|
|
#endif
|
|
#ifdef ALTQ_WFQ
|
|
altqdev_decl(wfq);
|
|
#endif
|
|
#ifdef ALTQ_AFMAP
|
|
altqdev_decl(afm);
|
|
#endif
|
|
#ifdef ALTQ_FIFOQ
|
|
altqdev_decl(fifoq);
|
|
#endif
|
|
#ifdef ALTQ_RED
|
|
altqdev_decl(red);
|
|
#endif
|
|
#ifdef ALTQ_RIO
|
|
altqdev_decl(rio);
|
|
#endif
|
|
#ifdef ALTQ_LOCALQ
|
|
altqdev_decl(localq);
|
|
#endif
|
|
#ifdef ALTQ_HFSC
|
|
altqdev_decl(hfsc);
|
|
#endif
|
|
#ifdef ALTQ_CDNR
|
|
altqdev_decl(cdnr);
|
|
#endif
|
|
#ifdef ALTQ_BLUE
|
|
altqdev_decl(blue);
|
|
#endif
|
|
#ifdef ALTQ_PRIQ
|
|
altqdev_decl(priq);
|
|
#endif
|
|
#ifdef ALTQ_JOBS
|
|
altqdev_decl(jobs);
|
|
#endif
|
|
|
|
/*
|
|
* altq minor device (discipline) table
|
|
*/
|
|
static struct altqsw altqsw[] = { /* minor */
|
|
{"altq", noopen, noclose, noioctl}, /* 0 (reserved) */
|
|
#ifdef ALTQ_CBQ
|
|
{"cbq", cbqopen, cbqclose, cbqioctl}, /* 1 */
|
|
#else
|
|
{"noq", noopen, noclose, noioctl}, /* 1 */
|
|
#endif
|
|
#ifdef ALTQ_WFQ
|
|
{"wfq", wfqopen, wfqclose, wfqioctl}, /* 2 */
|
|
#else
|
|
{"noq", noopen, noclose, noioctl}, /* 2 */
|
|
#endif
|
|
#ifdef ALTQ_AFMAP
|
|
{"afm", afmopen, afmclose, afmioctl}, /* 3 */
|
|
#else
|
|
{"noq", noopen, noclose, noioctl}, /* 3 */
|
|
#endif
|
|
#ifdef ALTQ_FIFOQ
|
|
{"fifoq", fifoqopen, fifoqclose, fifoqioctl}, /* 4 */
|
|
#else
|
|
{"noq", noopen, noclose, noioctl}, /* 4 */
|
|
#endif
|
|
#ifdef ALTQ_RED
|
|
{"red", redopen, redclose, redioctl}, /* 5 */
|
|
#else
|
|
{"noq", noopen, noclose, noioctl}, /* 5 */
|
|
#endif
|
|
#ifdef ALTQ_RIO
|
|
{"rio", rioopen, rioclose, rioioctl}, /* 6 */
|
|
#else
|
|
{"noq", noopen, noclose, noioctl}, /* 6 */
|
|
#endif
|
|
#ifdef ALTQ_LOCALQ
|
|
{"localq",localqopen, localqclose, localqioctl}, /* 7 (local use) */
|
|
#else
|
|
{"noq", noopen, noclose, noioctl}, /* 7 (local use) */
|
|
#endif
|
|
#ifdef ALTQ_HFSC
|
|
{"hfsc",hfscopen, hfscclose, hfscioctl}, /* 8 */
|
|
#else
|
|
{"noq", noopen, noclose, noioctl}, /* 8 */
|
|
#endif
|
|
#ifdef ALTQ_CDNR
|
|
{"cdnr",cdnropen, cdnrclose, cdnrioctl}, /* 9 */
|
|
#else
|
|
{"noq", noopen, noclose, noioctl}, /* 9 */
|
|
#endif
|
|
#ifdef ALTQ_BLUE
|
|
{"blue",blueopen, blueclose, blueioctl}, /* 10 */
|
|
#else
|
|
{"noq", noopen, noclose, noioctl}, /* 10 */
|
|
#endif
|
|
#ifdef ALTQ_PRIQ
|
|
{"priq",priqopen, priqclose, priqioctl}, /* 11 */
|
|
#else
|
|
{"noq", noopen, noclose, noioctl}, /* 11 */
|
|
#endif
|
|
#ifdef ALTQ_JOBS
|
|
{"jobs",jobsopen, jobsclose, jobsioctl}, /* 12 */
|
|
#else
|
|
{"noq", noopen, noclose, noioctl}, /* 12 */
|
|
#endif
|
|
};
|
|
|
|
/*
|
|
* altq major device support
|
|
*/
|
|
int naltqsw = sizeof (altqsw) / sizeof (altqsw[0]);
|
|
|
|
dev_type_open(altqopen);
|
|
dev_type_close(altqclose);
|
|
dev_type_ioctl(altqioctl);
|
|
|
|
const struct cdevsw altq_cdevsw = {
|
|
altqopen, altqclose, noread, nowrite, altqioctl,
|
|
nostop, notty, nopoll, nommap, nokqfilter, D_OTHER,
|
|
};
|
|
|
|
int
|
|
altqopen(dev_t dev, int flag, int fmt, struct lwp *l)
|
|
{
|
|
int unit = minor(dev);
|
|
|
|
if (unit == 0)
|
|
return (0);
|
|
if (unit < naltqsw)
|
|
return (*altqsw[unit].d_open)(dev, flag, fmt, l);
|
|
|
|
return ENXIO;
|
|
}
|
|
|
|
int
|
|
altqclose(dev_t dev, int flag, int fmt, struct lwp *l)
|
|
{
|
|
int unit = minor(dev);
|
|
|
|
if (unit == 0)
|
|
return (0);
|
|
if (unit < naltqsw)
|
|
return (*altqsw[unit].d_close)(dev, flag, fmt, l);
|
|
|
|
return ENXIO;
|
|
}
|
|
|
|
int
|
|
altqioctl(dev_t dev, ioctlcmd_t cmd, caddr_t addr, int flag, struct lwp *l)
|
|
{
|
|
int unit = minor(dev);
|
|
|
|
if (unit == 0) {
|
|
struct ifnet *ifp;
|
|
struct altqreq *typereq;
|
|
struct tbrreq *tbrreq;
|
|
int error;
|
|
|
|
switch (cmd) {
|
|
case ALTQGTYPE:
|
|
case ALTQTBRGET:
|
|
break;
|
|
default:
|
|
#if (__FreeBSD_version > 400000)
|
|
if ((error = suser(p)) != 0)
|
|
return (error);
|
|
#else
|
|
if ((error = kauth_authorize_network(l->l_cred,
|
|
KAUTH_NETWORK_ALTQ, KAUTH_REQ_NETWORK_ALTQ_CONF,
|
|
NULL, NULL, NULL)) != 0)
|
|
return (error);
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
switch (cmd) {
|
|
case ALTQGTYPE:
|
|
typereq = (struct altqreq *)addr;
|
|
if ((ifp = ifunit(typereq->ifname)) == NULL)
|
|
return (EINVAL);
|
|
typereq->arg = (u_long)ifp->if_snd.altq_type;
|
|
return (0);
|
|
case ALTQTBRSET:
|
|
tbrreq = (struct tbrreq *)addr;
|
|
if ((ifp = ifunit(tbrreq->ifname)) == NULL)
|
|
return (EINVAL);
|
|
return tbr_set(&ifp->if_snd, &tbrreq->tb_prof);
|
|
case ALTQTBRGET:
|
|
tbrreq = (struct tbrreq *)addr;
|
|
if ((ifp = ifunit(tbrreq->ifname)) == NULL)
|
|
return (EINVAL);
|
|
return tbr_get(&ifp->if_snd, &tbrreq->tb_prof);
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
}
|
|
if (unit < naltqsw)
|
|
return (*altqsw[unit].d_ioctl)(dev, cmd, addr, flag, l);
|
|
|
|
return ENXIO;
|
|
}
|
|
|
|
#ifdef __FreeBSD__
|
|
static int altq_devsw_installed = 0;
|
|
#endif
|
|
|
|
#ifdef __FreeBSD__
|
|
static void
|
|
altq_drvinit(void *unused)
|
|
{
|
|
int unit;
|
|
|
|
#if 0
|
|
mtx_init(&altq_mtx, "altq global lock", MTX_DEF);
|
|
#endif
|
|
altq_devsw_installed = 1;
|
|
printf("altq: attached. Major number assigned automatically.\n");
|
|
|
|
/* create minor devices */
|
|
for (unit = 0; unit < naltqsw; unit++) {
|
|
if (unit == 0 || altqsw[unit].d_open != NULL)
|
|
altqsw[unit].dev = make_dev(&altq_cdevsw, unit,
|
|
UID_ROOT, GID_WHEEL, 0644, "altq/%s",
|
|
altqsw[unit].d_name);
|
|
}
|
|
}
|
|
|
|
SYSINIT(altqdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,altq_drvinit,NULL)
|
|
|
|
#endif /* FreeBSD */
|
|
|
|
#ifdef ALTQ_KLD
|
|
/*
|
|
* KLD support
|
|
*/
|
|
static int altq_module_register(struct altq_module_data *);
|
|
static int altq_module_deregister(struct altq_module_data *);
|
|
|
|
static struct altq_module_data *altq_modules[ALTQT_MAX];
|
|
#if __FreeBSD_version < 502103
|
|
static struct altqsw noqdisc = {"noq", noopen, noclose, noioctl};
|
|
#else
|
|
static struct altqsw noqdisc = {"noq"};
|
|
#endif
|
|
|
|
void altq_module_incref(int type)
|
|
{
|
|
if (type < 0 || type >= ALTQT_MAX || altq_modules[type] == NULL)
|
|
return;
|
|
|
|
altq_modules[type]->ref++;
|
|
}
|
|
|
|
void altq_module_declref(int type)
|
|
{
|
|
if (type < 0 || type >= ALTQT_MAX || altq_modules[type] == NULL)
|
|
return;
|
|
|
|
altq_modules[type]->ref--;
|
|
}
|
|
|
|
static int
|
|
altq_module_register(struct altq_module_data *mdata)
|
|
{
|
|
int type = mdata->type;
|
|
|
|
if (type < 0 || type >= ALTQT_MAX)
|
|
return (EINVAL);
|
|
#if (__FreeBSD_version < 502103)
|
|
if (altqsw[type].d_open != noopen)
|
|
#else
|
|
if (altqsw[type].d_open != NULL)
|
|
#endif
|
|
return (EBUSY);
|
|
altqsw[type] = *mdata->altqsw; /* set discipline functions */
|
|
altq_modules[type] = mdata; /* save module data pointer */
|
|
#if (__FreeBSD_version < 502103)
|
|
make_dev(&altq_cdevsw, type, UID_ROOT, GID_WHEEL, 0644,
|
|
"altq/%s", altqsw[type].d_name);
|
|
#else
|
|
altqsw[type].dev = make_dev(&altq_cdevsw, type, UID_ROOT, GID_WHEEL,
|
|
0644, "altq/%s", altqsw[type].d_name);
|
|
#endif
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
altq_module_deregister(struct altq_module_data *mdata)
|
|
{
|
|
int type = mdata->type;
|
|
|
|
if (type < 0 || type >= ALTQT_MAX)
|
|
return (EINVAL);
|
|
if (mdata != altq_modules[type])
|
|
return (EINVAL);
|
|
if (altq_modules[type]->ref > 0)
|
|
return (EBUSY);
|
|
#if (__FreeBSD_version < 502103)
|
|
destroy_dev(makedev(CDEV_MAJOR, type));
|
|
#else
|
|
destroy_dev(altqsw[type].dev);
|
|
#endif
|
|
altqsw[type] = noqdisc;
|
|
altq_modules[type] = NULL;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
altq_module_handler(module_t mod, int cmd, void *arg)
|
|
{
|
|
struct altq_module_data *data = (struct altq_module_data *)arg;
|
|
int error = 0;
|
|
|
|
switch (cmd) {
|
|
case MOD_LOAD:
|
|
error = altq_module_register(data);
|
|
break;
|
|
|
|
case MOD_UNLOAD:
|
|
error = altq_module_deregister(data);
|
|
break;
|
|
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
#endif /* ALTQ_KLD */
|
|
#endif /* ALTQ3_COMPAT */
|