/* * Copyright (c) 1997, 2000 Hellmuth Michaelis. 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 THE AUTHOR 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 THE AUTHOR 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. * *--------------------------------------------------------------------------- * * i4b_ctl.c - i4b system control port driver * ------------------------------------------ * * $Id: i4b_ctl.c,v 1.37 2000/05/31 08:04:43 hm Exp $ * * $FreeBSD: src/sys/i4b/driver/i4b_ctl.c,v 1.10.2.3 2001/08/12 16:22:48 hm Exp $ * $DragonFly: src/sys/net/i4b/driver/i4b_ctl.c,v 1.6 2003/08/26 20:49:48 rob Exp $ * * last edit-date: [Sat Aug 11 18:06:38 2001] * *---------------------------------------------------------------------------*/ #include "use_i4bctl.h" #if NI4BCTL > 1 #error "only 1 (one) i4bctl device allowed!" #endif #if NI4BCTL > 0 #include #if defined(__FreeBSD__) && __FreeBSD__ >= 3 #include #else #include #endif #include #include #include #include #include #ifdef __FreeBSD__ #if defined(__FreeBSD__) && __FreeBSD__ == 3 #include "opt_devfs.h" #endif #ifdef DEVFS #include #endif #endif /* __FreeBSD__ */ #ifdef __FreeBSD__ #include #include #elif defined(__bsdi__) #include #include #else #include #include #include #include #endif #include "../include/i4b_global.h" #include "../include/i4b_l3l4.h" #include "../layer2/i4b_l2.h" static int openflag = 0; #if BSD > 199306 && defined(__FreeBSD__) static d_open_t i4bctlopen; static d_close_t i4bctlclose; static d_ioctl_t i4bctlioctl; #ifdef OS_USES_POLL static d_poll_t i4bctlpoll; #define POLLFIELD i4bctlpoll #else #define POLLFIELD noselect #endif #define CDEV_MAJOR 55 #if defined(__FreeBSD__) && __FreeBSD__ >= 4 static struct cdevsw i4bctl_cdevsw = { /* name */ "i4bctl", /* maj */ CDEV_MAJOR, /* flags */ 0, /* port */ NULL, /* autoq */ 0, /* open */ i4bctlopen, /* close */ i4bctlclose, /* read */ noread, /* write */ nowrite, /* ioctl */ i4bctlioctl, /* poll */ POLLFIELD, /* mmap */ nommap, /* strategy */ nostrategy, /* dump */ nodump, /* psize */ nopsize }; #else static struct cdevsw i4bctl_cdevsw = { i4bctlopen, i4bctlclose, noread, nowrite, i4bctlioctl, nostop, nullreset, nodevtotty, POLLFIELD, nommap, NULL, "i4bctl", NULL, -1 }; #endif static void i4bctlattach(void *); PSEUDO_SET(i4bctlattach, i4b_i4bctldrv); #define PDEVSTATIC static #endif /* __FreeBSD__ */ #if defined(__FreeBSD__) && __FreeBSD__ == 3 #ifdef DEVFS static void *devfs_token; #endif #endif #ifndef __FreeBSD__ #define PDEVSTATIC /* */ void i4bctlattach (void); int i4bctlopen (dev_t dev, int flag, int fmt, struct proc *p); int i4bctlclose (dev_t dev, int flag, int fmt, struct proc *p); #ifdef __bsdi__ int i4bctlioctl (dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p); #else int i4bctlioctl (dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); #endif #endif /* !FreeBSD */ #if BSD > 199306 && defined(__FreeBSD__) /*---------------------------------------------------------------------------* * initialization at kernel load time *---------------------------------------------------------------------------*/ static void i4bctlinit(void *unused) { #if defined(__FreeBSD__) && __FreeBSD__ >= 4 cdevsw_add(&i4bctl_cdevsw); #else dev_t dev = makedev(CDEV_MAJOR, 0); cdevsw_add(&dev, &i4bctl_cdevsw, NULL); #endif } SYSINIT(i4bctldev, SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR, &i4bctlinit, NULL); #endif /* BSD > 199306 && defined(__FreeBSD__) */ #ifdef __bsdi__ int i4bctlmatch(struct device *parent, struct cfdata *cf, void *aux); void dummy_i4bctlattach(struct device*, struct device *, void *); #define CDEV_MAJOR 64 static struct cfdriver i4bctlcd = { NULL, "i4bctl", i4bctlmatch, dummy_i4bctlattach, DV_DULL, sizeof(struct cfdriver) }; struct devsw i4bctlsw = { &i4bctlcd, i4bctlopen, i4bctlclose, noread, nowrite, i4bctlioctl, seltrue, nommap, nostrat, nodump, nopsize, 0, nostop }; int i4bctlmatch(struct device *parent, struct cfdata *cf, void *aux) { printf("i4bctlmatch: aux=0x%x\n", aux); return 1; } void dummy_i4bctlattach(struct device *parent, struct device *self, void *aux) { printf("dummy_i4bctlattach: aux=0x%x\n", aux); } #endif /* __bsdi__ */ /*---------------------------------------------------------------------------* * interface attach routine *---------------------------------------------------------------------------*/ PDEVSTATIC void #ifdef __FreeBSD__ i4bctlattach(void *dummy) #else i4bctlattach() #endif { #ifndef HACK_NO_PSEUDO_ATTACH_MSG printf("i4bctl: ISDN system control port attached\n"); #endif #if defined(__FreeBSD__) #if __FreeBSD__ == 3 #ifdef DEVFS devfs_token = devfs_add_devswf(&i4bctl_cdevsw, 0, DV_CHR, UID_ROOT, GID_WHEEL, 0600, "i4bctl"); #endif #else make_dev(&i4bctl_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600, "i4bctl"); #endif #endif } /*---------------------------------------------------------------------------* * i4bctlopen - device driver open routine *---------------------------------------------------------------------------*/ PDEVSTATIC int i4bctlopen(dev_t dev, int flag, int fmt, struct thread *td) { if(minor(dev)) return (ENXIO); if(openflag) return (EBUSY); openflag = 1; return (0); } /*---------------------------------------------------------------------------* * i4bctlclose - device driver close routine *---------------------------------------------------------------------------*/ PDEVSTATIC int i4bctlclose(dev_t dev, int flag, int fmt, struct thread *td) { openflag = 0; return (0); } /*---------------------------------------------------------------------------* * i4bctlioctl - device driver ioctl routine *---------------------------------------------------------------------------*/ PDEVSTATIC int #if defined (__FreeBSD_version) && __FreeBSD_version >= 300003 i4bctlioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) #elif defined(__bsdi__) i4bctlioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) #else i4bctlioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) #endif { #if DO_I4B_DEBUG ctl_debug_t *cdbg; int error = 0; #endif #if !DO_I4B_DEBUG return(ENODEV); #else if(minor(dev)) return(ENODEV); switch(cmd) { case I4B_CTL_GET_DEBUG: cdbg = (ctl_debug_t *)data; cdbg->l1 = i4b_l1_debug; cdbg->l2 = i4b_l2_debug; cdbg->l3 = i4b_l3_debug; cdbg->l4 = i4b_l4_debug; break; case I4B_CTL_SET_DEBUG: cdbg = (ctl_debug_t *)data; i4b_l1_debug = cdbg->l1; i4b_l2_debug = cdbg->l2; i4b_l3_debug = cdbg->l3; i4b_l4_debug = cdbg->l4; break; case I4B_CTL_GET_CHIPSTAT: { struct chipstat *cst; cst = (struct chipstat *)data; (*ctrl_desc[cst->driver_unit].N_MGMT_COMMAND)(cst->driver_unit, CMR_GCST, cst); break; } case I4B_CTL_CLR_CHIPSTAT: { struct chipstat *cst; cst = (struct chipstat *)data; (*ctrl_desc[cst->driver_unit].N_MGMT_COMMAND)(cst->driver_unit, CMR_CCST, cst); break; } case I4B_CTL_GET_LAPDSTAT: { l2stat_t *l2s; l2_softc_t *sc; l2s = (l2stat_t *)data; if( l2s->unit < 0 || l2s->unit > MAXL1UNITS) { error = EINVAL; break; } sc = &l2_softc[l2s->unit]; bcopy(&sc->stat, &l2s->lapdstat, sizeof(lapdstat_t)); break; } case I4B_CTL_CLR_LAPDSTAT: { int *up; l2_softc_t *sc; up = (int *)data; if( *up < 0 || *up > MAXL1UNITS) { error = EINVAL; break; } sc = &l2_softc[*up]; bzero(&sc->stat, sizeof(lapdstat_t)); break; } default: error = ENOTTY; break; } return(error); #endif DO_I4B_DEBUG } #if defined(__FreeBSD__) && defined(OS_USES_POLL) /*---------------------------------------------------------------------------* * i4bctlpoll - device driver poll routine *---------------------------------------------------------------------------*/ static int i4bctlpoll (dev_t dev, int events, struct thread *td) { return (ENODEV); } #endif #endif /* NI4BCTL > 0 */