/* $NetBSD: altq_conf.c,v 1.11 2005/02/26 23:04:16 perry Exp $ */ /* $KAME: altq_conf.c,v 1.13 2002/01/29 10:16:01 kjc Exp $ */ /* * Copyright (C) 1997-2000 * 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 __KERNEL_RCSID(0, "$NetBSD: altq_conf.c,v 1.11 2005/02/26 23:04:16 perry Exp $"); #if defined(__FreeBSD__) || defined(__NetBSD__) #include "opt_altq.h" #if (__FreeBSD__ != 2) #include "opt_inet.h" #ifdef __FreeBSD__ #include "opt_inet6.h" #endif #endif #endif /* __FreeBSD__ || __NetBSD__ */ /* * altq device interface. */ #include #include #include #include #include #include #if defined(__FreeBSD__) && (__FreeBSD_version < 400000) && defined(DEVFS) #include #endif /*DEVFS*/ #include #include #include #include #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 /* * altq minor device (discipline) table */ static struct altqsw altqsw[] = { /* minor */ {"noq", 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 }; /* * altq major device support */ int naltqsw = sizeof (altqsw) / sizeof (altqsw[0]); #if defined(__NetBSD__) dev_type_open(altqopen); dev_type_close(altqclose); dev_type_ioctl(altqioctl); #endif #if defined(__OpenBSD__) static d_open_t altqopen; static d_close_t altqclose; static d_ioctl_t altqioctl; #endif #ifdef __FreeBSD__ static void altq_drvinit __P((void *)); #else void altqattach __P((int)); #endif #if defined(__FreeBSD__) #define CDEV_MAJOR 96 /* FreeBSD official number */ #elif defined(__OpenBSD__) #if defined(__i386__) #define CDEV_MAJOR 74 /* OpenBSD i386 (official) */ #elif defined(__alpha__) #define CDEV_MAJOR 53 /* OpenBSD alpha (official) */ #else #error arch not supported #endif #endif #if defined(__FreeBSD__) #if (__FreeBSD_version < 400000) static struct cdevsw altq_cdevsw = { altqopen, altqclose, noread, nowrite, altqioctl, nostop, nullreset, nodevtotty, seltrue, nommap, NULL, "altq", NULL, -1 }; #else static struct cdevsw altq_cdevsw = { altqopen, altqclose, noread, nowrite, altqioctl, seltrue, nommap, nostrategy, "altq", CDEV_MAJOR, nodump, nopsize, 0, -1 }; #endif #endif #if defined(__NetBSD__) const struct cdevsw altq_cdevsw = { altqopen, altqclose, noread, nowrite, altqioctl, nostop, notty, nopoll, nommap, nokqfilter }; #endif #if !defined(__NetBSD__) && !defined(__OpenBSD__) static #endif int altqopen(dev, flag, fmt, p) dev_t dev; int flag, fmt; struct proc *p; { int unit = minor(dev); if (unit == 0) return (0); if (unit < naltqsw) return (*altqsw[unit].d_open)(dev, flag, fmt, p); return ENXIO; } #if !defined(__NetBSD__) && !defined(__OpenBSD__) static #endif int altqclose(dev, flag, fmt, p) dev_t dev; int flag, fmt; struct proc *p; { int unit = minor(dev); if (unit == 0) return (0); if (unit < naltqsw) return (*altqsw[unit].d_close)(dev, flag, fmt, p); return ENXIO; } #if !defined(__NetBSD__) && !defined(__OpenBSD__) static #endif int altqioctl(dev, cmd, addr, flag, p) dev_t dev; ioctlcmd_t cmd; caddr_t addr; int flag; struct proc *p; { 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 = suser(p->p_ucred, &p->p_acflag)) != 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, p); return ENXIO; } #if !defined(__NetBSD__) static int altq_devsw_installed = 0; #endif #ifdef __FreeBSD__ #if (__FreeBSD_version < 400000) #ifdef DEVFS static void *altq_devfs_token[sizeof (altqsw) / sizeof (altqsw[0])]; #endif static void altq_drvinit(unused) void *unused; { dev_t dev; #ifdef DEVFS int i; #endif if (!altq_devsw_installed) { dev = makedev(CDEV_MAJOR,0); cdevsw_add(&dev,&altq_cdevsw,NULL); altq_devsw_installed = 1; #ifdef DEVFS for (i=0; i= ALTQT_MAX || altq_modules[type] == NULL) return; altq_modules[type]->ref++; } void altq_module_declref(type) int type; { if (type < 0 || type >= ALTQT_MAX || altq_modules[type] == NULL) return; altq_modules[type]->ref--; } static int altq_module_register(mdata) struct altq_module_data *mdata; { int type = mdata->type; if (type < 0 || type >= ALTQT_MAX) return (EINVAL); if (altqsw[type].d_open != noopen) return (EBUSY); altqsw[type] = *mdata->altqsw; /* set discipline functions */ altq_modules[type] = mdata; /* save module data pointer */ return (0); } static int altq_module_deregister(mdata) 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); altqsw[type] = noqdisc; altq_modules[type] = NULL; return (0); } int altq_module_handler(mod, cmd, arg) 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 */