diff options
Diffstat (limited to 'drivers/isdn/i4l/isdn_common.c')
| -rw-r--r-- | drivers/isdn/i4l/isdn_common.c | 1559 |
1 files changed, 773 insertions, 786 deletions
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c index 15632bd2f64..9b856e1890d 100644 --- a/drivers/isdn/i4l/isdn_common.c +++ b/drivers/isdn/i4l/isdn_common.c @@ -46,7 +46,6 @@ static DEFINE_MUTEX(isdn_mutex); static char *isdn_revision = "$Revision: 1.1.2.3 $"; extern char *isdn_net_revision; -extern char *isdn_tty_revision; #ifdef CONFIG_ISDN_PPP extern char *isdn_ppp_revision; #else @@ -111,7 +110,7 @@ isdn_unlock_drivers(void) #if defined(ISDN_DEBUG_NET_DUMP) || defined(ISDN_DEBUG_MODEM_DUMP) void -isdn_dumppkt(char *s, u_char * p, int len, int dumplen) +isdn_dumppkt(char *s, u_char *p, int len, int dumplen) { int dumpc; @@ -163,58 +162,58 @@ isdn_wildmat(char *s, char *p) register int nostar = 1; if (!(*s) && !(*p)) - return(1); + return (1); for (; *p; s++, p++) switch (*p) { - case '\\': - /* - * Literal match with following character, - * fall through. - */ + case '\\': + /* + * Literal match with following character, + * fall through. + */ + p++; + default: + if (*s != *p) + return (*s == '\0') ? 2 : 1; + continue; + case '?': + /* Match anything. */ + if (*s == '\0') + return (2); + continue; + case '*': + nostar = 0; + /* Trailing star matches everything. */ + return (*++p ? isdn_star(s, p) : 0); + case '[': + /* [^....] means inverse character class. */ + if ((reverse = (p[1] == '^'))) p++; - default: - if (*s != *p) - return (*s == '\0')?2:1; - continue; - case '?': - /* Match anything. */ - if (*s == '\0') - return (2); - continue; - case '*': - nostar = 0; - /* Trailing star matches everything. */ - return (*++p ? isdn_star(s, p) : 0); - case '[': - /* [^....] means inverse character class. */ - if ((reverse = (p[1] == '^'))) - p++; - for (last = 0, matched = 0; *++p && (*p != ']'); last = *p) - /* This next line requires a good C compiler. */ - if (*p == '-' ? *s <= *++p && *s >= last : *s == *p) - matched = 1; - if (matched == reverse) - return (1); - continue; + for (last = 0, matched = 0; *++p && (*p != ']'); last = *p) + /* This next line requires a good C compiler. */ + if (*p == '-' ? *s <= *++p && *s >= last : *s == *p) + matched = 1; + if (matched == reverse) + return (1); + continue; } - return (*s == '\0')?0:nostar; + return (*s == '\0') ? 0 : nostar; } -int isdn_msncmp( const char * msn1, const char * msn2 ) +int isdn_msncmp(const char *msn1, const char *msn2) { - char TmpMsn1[ ISDN_MSNLEN ]; - char TmpMsn2[ ISDN_MSNLEN ]; + char TmpMsn1[ISDN_MSNLEN]; + char TmpMsn2[ISDN_MSNLEN]; char *p; - for ( p = TmpMsn1; *msn1 && *msn1 != ':'; ) // Strip off a SPID + for (p = TmpMsn1; *msn1 && *msn1 != ':';) // Strip off a SPID *p++ = *msn1++; *p = '\0'; - for ( p = TmpMsn2; *msn2 && *msn2 != ':'; ) // Strip off a SPID + for (p = TmpMsn2; *msn2 && *msn2 != ':';) // Strip off a SPID *p++ = *msn2++; *p = '\0'; - return isdn_wildmat( TmpMsn1, TmpMsn2 ); + return isdn_wildmat(TmpMsn1, TmpMsn2); } int @@ -262,8 +261,8 @@ isdn_timer_funct(ulong dummy) isdn_tty_carrier_timeout(); } } - if (tf) - mod_timer(&dev->timer, jiffies+ISDN_TIMER_RES); + if (tf) + mod_timer(&dev->timer, jiffies + ISDN_TIMER_RES); } void @@ -284,7 +283,7 @@ isdn_timer_ctrl(int tf, int onoff) else dev->tflags &= ~tf; if (dev->tflags && !old_tflags) - mod_timer(&dev->timer, jiffies+ISDN_TIMER_RES); + mod_timer(&dev->timer, jiffies + ISDN_TIMER_RES); spin_unlock_irqrestore(&dev->timerlock, flags); } @@ -302,7 +301,7 @@ isdn_receive_skb_callback(int di, int channel, struct sk_buff *skb) } /* Update statistics */ dev->ibytes[i] += skb->len; - + /* First, try to deliver data to network-device */ if (isdn_net_rcv_skb(i, skb)) return; @@ -339,40 +338,40 @@ isdn_command(isdn_ctrl *cmd) { if (cmd->driver == -1) { printk(KERN_WARNING "isdn_command command(%x) driver -1\n", cmd->command); - return(1); + return (1); } if (!dev->drv[cmd->driver]) { printk(KERN_WARNING "isdn_command command(%x) dev->drv[%d] NULL\n", - cmd->command, cmd->driver); - return(1); + cmd->command, cmd->driver); + return (1); } if (!dev->drv[cmd->driver]->interface) { printk(KERN_WARNING "isdn_command command(%x) dev->drv[%d]->interface NULL\n", - cmd->command, cmd->driver); - return(1); + cmd->command, cmd->driver); + return (1); } if (cmd->command == ISDN_CMD_SETL2) { int idx = isdn_dc2minor(cmd->driver, cmd->arg & 255); unsigned long l2prot = (cmd->arg >> 8) & 255; unsigned long features = (dev->drv[cmd->driver]->interface->features - >> ISDN_FEATURE_L2_SHIFT) & - ISDN_FEATURE_L2_MASK; + >> ISDN_FEATURE_L2_SHIFT) & + ISDN_FEATURE_L2_MASK; unsigned long l2_feature = (1 << l2prot); switch (l2prot) { - case ISDN_PROTO_L2_V11096: - case ISDN_PROTO_L2_V11019: - case ISDN_PROTO_L2_V11038: + case ISDN_PROTO_L2_V11096: + case ISDN_PROTO_L2_V11019: + case ISDN_PROTO_L2_V11038: /* If V.110 requested, but not supported by * HL-driver, set emulator-flag and change * Layer-2 to transparent */ - if (!(features & l2_feature)) { - dev->v110emu[idx] = l2prot; - cmd->arg = (cmd->arg & 255) | - (ISDN_PROTO_L2_TRANS << 8); - } else - dev->v110emu[idx] = 0; + if (!(features & l2_feature)) { + dev->v110emu[idx] = l2prot; + cmd->arg = (cmd->arg & 255) | + (ISDN_PROTO_L2_TRANS << 8); + } else + dev->v110emu[idx] = 0; } } return dev->drv[cmd->driver]->interface->command(cmd); @@ -393,30 +392,25 @@ isdn_all_eaz(int di, int ch) } /* - * Begin of a CAPI like LL<->HL interface, currently used only for + * Begin of a CAPI like LL<->HL interface, currently used only for * supplementary service (CAPI 2.0 part III) */ #include <linux/isdn/capicmd.h> static int -isdn_capi_rec_hl_msg(capi_msg *cm) { - - int di; - int ch; - - di = (cm->adr.Controller & 0x7f) -1; - ch = isdn_dc2minor(di, (cm->adr.Controller>>8)& 0x7f); - switch(cm->Command) { - case CAPI_FACILITY: - /* in the moment only handled in tty */ - return(isdn_tty_capi_facility(cm)); - default: - return(-1); +isdn_capi_rec_hl_msg(capi_msg *cm) +{ + switch (cm->Command) { + case CAPI_FACILITY: + /* in the moment only handled in tty */ + return (isdn_tty_capi_facility(cm)); + default: + return (-1); } } static int -isdn_status_callback(isdn_ctrl * c) +isdn_status_callback(isdn_ctrl *c) { int di; u_long flags; @@ -429,314 +423,314 @@ isdn_status_callback(isdn_ctrl * c) di = c->driver; i = isdn_dc2minor(di, c->arg); switch (c->command) { - case ISDN_STAT_BSENT: - if (i < 0) - return -1; - if (dev->global_flags & ISDN_GLOBAL_STOPPED) - return 0; - if (isdn_net_stat_callback(i, c)) - return 0; - if (isdn_v110_stat_callback(i, c)) - return 0; - if (isdn_tty_stat_callback(i, c)) - return 0; - wake_up_interruptible(&dev->drv[di]->snd_waitq[c->arg]); - break; - case ISDN_STAT_STAVAIL: - dev->drv[di]->stavail += c->arg; - wake_up_interruptible(&dev->drv[di]->st_waitq); - break; - case ISDN_STAT_RUN: - dev->drv[di]->flags |= DRV_FLAG_RUNNING; - for (i = 0; i < ISDN_MAX_CHANNELS; i++) - if (dev->drvmap[i] == di) - isdn_all_eaz(di, dev->chanmap[i]); - set_global_features(); - break; - case ISDN_STAT_STOP: - dev->drv[di]->flags &= ~DRV_FLAG_RUNNING; - break; - case ISDN_STAT_ICALL: - if (i < 0) - return -1; + case ISDN_STAT_BSENT: + if (i < 0) + return -1; + if (dev->global_flags & ISDN_GLOBAL_STOPPED) + return 0; + if (isdn_net_stat_callback(i, c)) + return 0; + if (isdn_v110_stat_callback(i, c)) + return 0; + if (isdn_tty_stat_callback(i, c)) + return 0; + wake_up_interruptible(&dev->drv[di]->snd_waitq[c->arg]); + break; + case ISDN_STAT_STAVAIL: + dev->drv[di]->stavail += c->arg; + wake_up_interruptible(&dev->drv[di]->st_waitq); + break; + case ISDN_STAT_RUN: + dev->drv[di]->flags |= DRV_FLAG_RUNNING; + for (i = 0; i < ISDN_MAX_CHANNELS; i++) + if (dev->drvmap[i] == di) + isdn_all_eaz(di, dev->chanmap[i]); + set_global_features(); + break; + case ISDN_STAT_STOP: + dev->drv[di]->flags &= ~DRV_FLAG_RUNNING; + break; + case ISDN_STAT_ICALL: + if (i < 0) + return -1; #ifdef ISDN_DEBUG_STATCALLB - printk(KERN_DEBUG "ICALL (net): %d %ld %s\n", di, c->arg, c->parm.num); + printk(KERN_DEBUG "ICALL (net): %d %ld %s\n", di, c->arg, c->parm.num); #endif - if (dev->global_flags & ISDN_GLOBAL_STOPPED) { + if (dev->global_flags & ISDN_GLOBAL_STOPPED) { + cmd.driver = di; + cmd.arg = c->arg; + cmd.command = ISDN_CMD_HANGUP; + isdn_command(&cmd); + return 0; + } + /* Try to find a network-interface which will accept incoming call */ + r = ((c->command == ISDN_STAT_ICALLW) ? 0 : isdn_net_find_icall(di, c->arg, i, &c->parm.setup)); + switch (r) { + case 0: + /* No network-device replies. + * Try ttyI's. + * These return 0 on no match, 1 on match and + * 3 on eventually match, if CID is longer. + */ + if (c->command == ISDN_STAT_ICALL) + if ((retval = isdn_tty_find_icall(di, c->arg, &c->parm.setup))) return (retval); +#ifdef CONFIG_ISDN_DIVERSION + if (divert_if) + if ((retval = divert_if->stat_callback(c))) + return (retval); /* processed */ +#endif /* CONFIG_ISDN_DIVERSION */ + if ((!retval) && (dev->drv[di]->flags & DRV_FLAG_REJBUS)) { + /* No tty responding */ cmd.driver = di; cmd.arg = c->arg; cmd.command = ISDN_CMD_HANGUP; isdn_command(&cmd); - return 0; + retval = 2; } - /* Try to find a network-interface which will accept incoming call */ - r = ((c->command == ISDN_STAT_ICALLW) ? 0 : isdn_net_find_icall(di, c->arg, i, &c->parm.setup)); - switch (r) { - case 0: - /* No network-device replies. - * Try ttyI's. - * These return 0 on no match, 1 on match and - * 3 on eventually match, if CID is longer. - */ - if (c->command == ISDN_STAT_ICALL) - if ((retval = isdn_tty_find_icall(di, c->arg, &c->parm.setup))) return(retval); -#ifdef CONFIG_ISDN_DIVERSION - if (divert_if) - if ((retval = divert_if->stat_callback(c))) - return(retval); /* processed */ -#endif /* CONFIG_ISDN_DIVERSION */ - if ((!retval) && (dev->drv[di]->flags & DRV_FLAG_REJBUS)) { - /* No tty responding */ - cmd.driver = di; - cmd.arg = c->arg; - cmd.command = ISDN_CMD_HANGUP; - isdn_command(&cmd); - retval = 2; - } - break; - case 1: - /* Schedule connection-setup */ - isdn_net_dial(); - cmd.driver = di; - cmd.arg = c->arg; - cmd.command = ISDN_CMD_ACCEPTD; - for ( p = dev->netdev; p; p = p->next ) - if ( p->local->isdn_channel == cmd.arg ) - { - strcpy( cmd.parm.setup.eazmsn, p->local->msn ); - isdn_command(&cmd); - retval = 1; - break; - } - break; - - case 2: /* For calling back, first reject incoming call ... */ - case 3: /* Interface found, but down, reject call actively */ - retval = 2; - printk(KERN_INFO "isdn: Rejecting Call\n"); - cmd.driver = di; - cmd.arg = c->arg; - cmd.command = ISDN_CMD_HANGUP; + break; + case 1: + /* Schedule connection-setup */ + isdn_net_dial(); + cmd.driver = di; + cmd.arg = c->arg; + cmd.command = ISDN_CMD_ACCEPTD; + for (p = dev->netdev; p; p = p->next) + if (p->local->isdn_channel == cmd.arg) + { + strcpy(cmd.parm.setup.eazmsn, p->local->msn); isdn_command(&cmd); - if (r == 3) - break; - /* Fall through */ - case 4: - /* ... then start callback. */ - isdn_net_dial(); - break; - case 5: - /* Number would eventually match, if longer */ - retval = 3; + retval = 1; break; - } + } + break; + + case 2: /* For calling back, first reject incoming call ... */ + case 3: /* Interface found, but down, reject call actively */ + retval = 2; + printk(KERN_INFO "isdn: Rejecting Call\n"); + cmd.driver = di; + cmd.arg = c->arg; + cmd.command = ISDN_CMD_HANGUP; + isdn_command(&cmd); + if (r == 3) + break; + /* Fall through */ + case 4: + /* ... then start callback. */ + isdn_net_dial(); + break; + case 5: + /* Number would eventually match, if longer */ + retval = 3; + break; + } #ifdef ISDN_DEBUG_STATCALLB - printk(KERN_DEBUG "ICALL: ret=%d\n", retval); + printk(KERN_DEBUG "ICALL: ret=%d\n", retval); #endif - return retval; - break; - case ISDN_STAT_CINF: - if (i < 0) - return -1; + return retval; + break; + case ISDN_STAT_CINF: + if (i < 0) + return -1; #ifdef ISDN_DEBUG_STATCALLB - printk(KERN_DEBUG "CINF: %ld %s\n", c->arg, c->parm.num); + printk(KERN_DEBUG "CINF: %ld %s\n", c->arg, c->parm.num); #endif - if (dev->global_flags & ISDN_GLOBAL_STOPPED) - return 0; - if (strcmp(c->parm.num, "0")) - isdn_net_stat_callback(i, c); - isdn_tty_stat_callback(i, c); - break; - case ISDN_STAT_CAUSE: + if (dev->global_flags & ISDN_GLOBAL_STOPPED) + return 0; + if (strcmp(c->parm.num, "0")) + isdn_net_stat_callback(i, c); + isdn_tty_stat_callback(i, c); + break; + case ISDN_STAT_CAUSE: #ifdef ISDN_DEBUG_STATCALLB - printk(KERN_DEBUG "CAUSE: %ld %s\n", c->arg, c->parm.num); + printk(KERN_DEBUG "CAUSE: %ld %s\n", c->arg, c->parm.num); #endif - printk(KERN_INFO "isdn: %s,ch%ld cause: %s\n", - dev->drvid[di], c->arg, c->parm.num); - isdn_tty_stat_callback(i, c); + printk(KERN_INFO "isdn: %s,ch%ld cause: %s\n", + dev->drvid[di], c->arg, c->parm.num); + isdn_tty_stat_callback(i, c); #ifdef CONFIG_ISDN_DIVERSION - if (divert_if) - divert_if->stat_callback(c); + if (divert_if) + divert_if->stat_callback(c); #endif /* CONFIG_ISDN_DIVERSION */ - break; - case ISDN_STAT_DISPLAY: + break; + case ISDN_STAT_DISPLAY: #ifdef ISDN_DEBUG_STATCALLB - printk(KERN_DEBUG "DISPLAY: %ld %s\n", c->arg, c->parm.display); + printk(KERN_DEBUG "DISPLAY: %ld %s\n", c->arg, c->parm.display); #endif - isdn_tty_stat_callback(i, c); + isdn_tty_stat_callback(i, c); #ifdef CONFIG_ISDN_DIVERSION - if (divert_if) - divert_if->stat_callback(c); + if (divert_if) + divert_if->stat_callback(c); #endif /* CONFIG_ISDN_DIVERSION */ - break; - case ISDN_STAT_DCONN: - if (i < 0) - return -1; + break; + case ISDN_STAT_DCONN: + if (i < 0) + return -1; #ifdef ISDN_DEBUG_STATCALLB - printk(KERN_DEBUG "DCONN: %ld\n", c->arg); + printk(KERN_DEBUG "DCONN: %ld\n", c->arg); #endif - if (dev->global_flags & ISDN_GLOBAL_STOPPED) - return 0; - /* Find any net-device, waiting for D-channel setup */ - if (isdn_net_stat_callback(i, c)) - break; - isdn_v110_stat_callback(i, c); - /* Find any ttyI, waiting for D-channel setup */ - if (isdn_tty_stat_callback(i, c)) { - cmd.driver = di; - cmd.arg = c->arg; - cmd.command = ISDN_CMD_ACCEPTB; - isdn_command(&cmd); - break; - } + if (dev->global_flags & ISDN_GLOBAL_STOPPED) + return 0; + /* Find any net-device, waiting for D-channel setup */ + if (isdn_net_stat_callback(i, c)) + break; + isdn_v110_stat_callback(i, c); + /* Find any ttyI, waiting for D-channel setup */ + if (isdn_tty_stat_callback(i, c)) { + cmd.driver = di; + cmd.arg = c->arg; + cmd.command = ISDN_CMD_ACCEPTB; + isdn_command(&cmd); break; - case ISDN_STAT_DHUP: - if (i < 0) - return -1; + } + break; + case ISDN_STAT_DHUP: + if (i < 0) + return -1; #ifdef ISDN_DEBUG_STATCALLB - printk(KERN_DEBUG "DHUP: %ld\n", c->arg); + printk(KERN_DEBUG "DHUP: %ld\n", c->arg); #endif - if (dev->global_flags & ISDN_GLOBAL_STOPPED) - return 0; - dev->drv[di]->online &= ~(1 << (c->arg)); - isdn_info_update(); - /* Signal hangup to network-devices */ - if (isdn_net_stat_callback(i, c)) - break; - isdn_v110_stat_callback(i, c); - if (isdn_tty_stat_callback(i, c)) - break; -#ifdef CONFIG_ISDN_DIVERSION - if (divert_if) - divert_if->stat_callback(c); -#endif /* CONFIG_ISDN_DIVERSION */ + if (dev->global_flags & ISDN_GLOBAL_STOPPED) + return 0; + dev->drv[di]->online &= ~(1 << (c->arg)); + isdn_info_update(); + /* Signal hangup to network-devices */ + if (isdn_net_stat_callback(i, c)) break; + isdn_v110_stat_callback(i, c); + if (isdn_tty_stat_callback(i, c)) break; - case ISDN_STAT_BCONN: - if (i < 0) - return -1; +#ifdef CONFIG_ISDN_DIVERSION + if (divert_if) + divert_if->stat_callback(c); +#endif /* CONFIG_ISDN_DIVERSION */ + break; + break; + case ISDN_STAT_BCONN: + if (i < 0) + return -1; #ifdef ISDN_DEBUG_STATCALLB - printk(KERN_DEBUG "BCONN: %ld\n", c->arg); + printk(KERN_DEBUG "BCONN: %ld\n", c->arg); #endif - /* Signal B-channel-connect to network-devices */ - if (dev->global_flags & ISDN_GLOBAL_STOPPED) - return 0; - dev->drv[di]->online |= (1 << (c->arg)); - isdn_info_update(); - if (isdn_net_stat_callback(i, c)) - break; - isdn_v110_stat_callback(i, c); - if (isdn_tty_stat_callback(i, c)) - break; + /* Signal B-channel-connect to network-devices */ + if (dev->global_flags & ISDN_GLOBAL_STOPPED) + return 0; + dev->drv[di]->online |= (1 << (c->arg)); + isdn_info_update(); + if (isdn_net_stat_callback(i, c)) + break; + isdn_v110_stat_callback(i, c); + if (isdn_tty_stat_callback(i, c)) break; - case ISDN_STAT_BHUP: - if (i < 0) - return -1; + break; + case ISDN_STAT_BHUP: + if (i < 0) + return -1; #ifdef ISDN_DEBUG_STATCALLB - printk(KERN_DEBUG "BHUP: %ld\n", c->arg); + printk(KERN_DEBUG "BHUP: %ld\n", c->arg); #endif - if (dev->global_flags & ISDN_GLOBAL_STOPPED) - return 0; - dev->drv[di]->online &= ~(1 << (c->arg)); - isdn_info_update(); + if (dev->global_flags & ISDN_GLOBAL_STOPPED) + return 0; + dev->drv[di]->online &= ~(1 << (c->arg)); + isdn_info_update(); #ifdef CONFIG_ISDN_X25 - /* Signal hangup to network-devices */ - if (isdn_net_stat_callback(i, c)) - break; + /* Signal hangup to network-devices */ + if (isdn_net_stat_callback(i, c)) + break; #endif - isdn_v110_stat_callback(i, c); - if (isdn_tty_stat_callback(i, c)) - break; + isdn_v110_stat_callback(i, c); + if (isdn_tty_stat_callback(i, c)) break; - case ISDN_STAT_NODCH: - if (i < 0) - return -1; + break; + case ISDN_STAT_NODCH: + if (i < 0) + return -1; #ifdef ISDN_DEBUG_STATCALLB - printk(KERN_DEBUG "NODCH: %ld\n", c->arg); + printk(KERN_DEBUG "NODCH: %ld\n", c->arg); #endif - if (dev->global_flags & ISDN_GLOBAL_STOPPED) - return 0; - if (isdn_net_stat_callback(i, c)) - break; - if (isdn_tty_stat_callback(i, c)) - break; + if (dev->global_flags & ISDN_GLOBAL_STOPPED) + return 0; + if (isdn_net_stat_callback(i, c)) break; - case ISDN_STAT_ADDCH: - spin_lock_irqsave(&dev->lock, flags); - if (isdn_add_channels(dev->drv[di], di, c->arg, 1)) { - spin_unlock_irqrestore(&dev->lock, flags); - return -1; - } - spin_unlock_irqrestore(&dev->lock, flags); - isdn_info_update(); + if (isdn_tty_stat_callback(i, c)) break; - case ISDN_STAT_DISCH: - spin_lock_irqsave(&dev->lock, flags); - for (i = 0; i < ISDN_MAX_CHANNELS; i++) - if ((dev->drvmap[i] == di) && - (dev->chanmap[i] == c->arg)) { - if (c->parm.num[0]) - dev->usage[i] &= ~ISDN_USAGE_DISABLED; - else - if (USG_NONE(dev->usage[i])) { - dev->usage[i] |= ISDN_USAGE_DISABLED; - } - else - retval = -1; - break; - } + break; + case ISDN_STAT_ADDCH: + spin_lock_irqsave(&dev->lock, flags); + if (isdn_add_channels(dev->drv[di], di, c->arg, 1)) { spin_unlock_irqrestore(&dev->lock, flags); - isdn_info_update(); - break; - case ISDN_STAT_UNLOAD: - while (dev->drv[di]->locks > 0) { - isdn_unlock_driver(dev->drv[di]); - } - spin_lock_irqsave(&dev->lock, flags); - isdn_tty_stat_callback(i, c); - for (i = 0; i < ISDN_MAX_CHANNELS; i++) - if (dev->drvmap[i] == di) { - dev->drvmap[i] = -1; - dev->chanmap[i] = -1; + return -1; + } + spin_unlock_irqrestore(&dev->lock, flags); + isdn_info_update(); + break; + case ISDN_STAT_DISCH: + spin_lock_irqsave(&dev->lock, flags); + for (i = 0; i < ISDN_MAX_CHANNELS; i++) + if ((dev->drvmap[i] == di) && + (dev->chanmap[i] == c->arg)) { + if (c->parm.num[0]) dev->usage[i] &= ~ISDN_USAGE_DISABLED; - } - dev->drivers--; - dev->channels -= dev->drv[di]->channels; - kfree(dev->drv[di]->rcverr); - kfree(dev->drv[di]->rcvcount); - for (i = 0; i < dev->drv[di]->channels; i++) - skb_queue_purge(&dev->drv[di]->rpqueue[i]); - kfree(dev->drv[di]->rpqueue); - kfree(dev->drv[di]->rcv_waitq); - kfree(dev->drv[di]); - dev->drv[di] = NULL; - dev->drvid[di][0] = '\0'; - isdn_info_update(); - set_global_features(); - spin_unlock_irqrestore(&dev->lock, flags); - return 0; - case ISDN_STAT_L1ERR: - break; - case CAPI_PUT_MESSAGE: - return(isdn_capi_rec_hl_msg(&c->parm.cmsg)); + else + if (USG_NONE(dev->usage[i])) { + dev->usage[i] |= ISDN_USAGE_DISABLED; + } + else + retval = -1; + break; + } + spin_unlock_irqrestore(&dev->lock, flags); + isdn_info_update(); + break; + case ISDN_STAT_UNLOAD: + while (dev->drv[di]->locks > 0) { + isdn_unlock_driver(dev->drv[di]); + } + spin_lock_irqsave(&dev->lock, flags); + isdn_tty_stat_callback(i, c); + for (i = 0; i < ISDN_MAX_CHANNELS; i++) + if (dev->drvmap[i] == di) { + dev->drvmap[i] = -1; + dev->chanmap[i] = -1; + dev->usage[i] &= ~ISDN_USAGE_DISABLED; + } + dev->drivers--; + dev->channels -= dev->drv[di]->channels; + kfree(dev->drv[di]->rcverr); + kfree(dev->drv[di]->rcvcount); + for (i = 0; i < dev->drv[di]->channels; i++) + skb_queue_purge(&dev->drv[di]->rpqueue[i]); + kfree(dev->drv[di]->rpqueue); + kfree(dev->drv[di]->rcv_waitq); + kfree(dev->drv[di]); + dev->drv[di] = NULL; + dev->drvid[di][0] = '\0'; + isdn_info_update(); + set_global_features(); + spin_unlock_irqrestore(&dev->lock, flags); + return 0; + case ISDN_STAT_L1ERR: + break; + case CAPI_PUT_MESSAGE: + return (isdn_capi_rec_hl_msg(&c->parm.cmsg)); #ifdef CONFIG_ISDN_TTY_FAX - case ISDN_STAT_FAXIND: - isdn_tty_stat_callback(i, c); - break; + case ISDN_STAT_FAXIND: + isdn_tty_stat_callback(i, c); + break; #endif #ifdef CONFIG_ISDN_AUDIO - case ISDN_STAT_AUDIO: - isdn_tty_stat_callback(i, c); - break; + case ISDN_STAT_AUDIO: + isdn_tty_stat_callback(i, c); + break; #endif #ifdef CONFIG_ISDN_DIVERSION - case ISDN_STAT_PROT: - case ISDN_STAT_REDIR: - if (divert_if) - return(divert_if->stat_callback(c)); + case ISDN_STAT_PROT: + case ISDN_STAT_REDIR: + if (divert_if) + return (divert_if->stat_callback(c)); #endif /* CONFIG_ISDN_DIVERSION */ - default: - return -1; + default: + return -1; } return 0; } @@ -760,17 +754,17 @@ isdn_getnum(char **p) * isdn_readbchan() tries to get data from the read-queue. * It MUST be called with interrupts off. * - * Be aware that this is not an atomic operation when sleep != 0, even though + * Be aware that this is not an atomic operation when sleep != 0, even though * interrupts are turned off! Well, like that we are currently only called * on behalf of a read system call on raw device files (which are documented * to be dangerous and for debugging purpose only). The inode semaphore * takes care that this is not called for the same minor device number while * we are sleeping, but access is not serialized against simultaneous read() * from the corresponding ttyI device. Can other ugly events, like changes - * of the mapping (di,ch)<->minor, happen during the sleep? --he + * of the mapping (di,ch)<->minor, happen during the sleep? --he */ int -isdn_readbchan(int di, int channel, u_char * buf, u_char * fp, int len, wait_queue_head_t *sleep) +isdn_readbchan(int di, int channel, u_char *buf, u_char *fp, int len, wait_queue_head_t *sleep) { int count; int count_pull; @@ -783,7 +777,8 @@ isdn_readbchan(int di, int channel, u_char * buf, u_char * fp, int len, wait_que return 0; if (skb_queue_empty(&dev->drv[di]->rpqueue[channel])) { if (sleep) - interruptible_sleep_on(sleep); + wait_event_interruptible(*sleep, + !skb_queue_empty(&dev->drv[di]->rpqueue[channel])); else return 0; } @@ -882,7 +877,7 @@ isdn_readbchan(int di, int channel, u_char * buf, u_char * fp, int len, wait_que * of the mapping (di,ch)<->minor, happen during the sleep? --he */ int -isdn_readbchan_tty(int di, int channel, struct tty_struct *tty, int cisco_hack) +isdn_readbchan_tty(int di, int channel, struct tty_port *port, int cisco_hack) { int count; int count_pull; @@ -895,10 +890,10 @@ isdn_readbchan_tty(int di, int channel, struct tty_struct *tty, int cisco_hack) if (!dev->drv[di]) return 0; if (skb_queue_empty(&dev->drv[di]->rpqueue[channel])) - return 0; + return 0; - len = tty_buffer_request_room(tty, dev->drv[di]->rcvcount[channel]); - if(len == 0) + len = tty_buffer_request_room(port, dev->drv[di]->rcvcount[channel]); + if (len == 0) return len; count = 0; @@ -917,8 +912,8 @@ isdn_readbchan_tty(int di, int channel, struct tty_struct *tty, int cisco_hack) count_pull = count_put = 0; while ((count_pull < skb->len) && (len > 0)) { /* push every character but the last to the tty buffer directly */ - if ( count_put ) - tty_insert_flip_char(tty, last, TTY_NORMAL); + if (count_put) + tty_insert_flip_char(port, last, TTY_NORMAL); len--; if (dev->drv[di]->DLEflag & DLEmask) { last = DLE; @@ -945,8 +940,8 @@ isdn_readbchan_tty(int di, int channel, struct tty_struct *tty, int cisco_hack) dflag = 0; } count_put = count_pull; - if(count_put > 1) - tty_insert_flip_string(tty, skb->data, count_put - 1); + if (count_put > 1) + tty_insert_flip_string(port, skb->data, count_put - 1); last = skb->data[count_put - 1]; len -= count_put; #ifdef CONFIG_ISDN_AUDIO @@ -957,17 +952,17 @@ isdn_readbchan_tty(int di, int channel, struct tty_struct *tty, int cisco_hack) /* We got all the data in this buff. * Now we can dequeue it. */ - if(cisco_hack) - tty_insert_flip_char(tty, last, 0xFF); + if (cisco_hack) + tty_insert_flip_char(port, last, 0xFF); else - tty_insert_flip_char(tty, last, TTY_NORMAL); + tty_insert_flip_char(port, last, TTY_NORMAL); #ifdef CONFIG_ISDN_AUDIO ISDN_AUDIO_SKB_LOCK(skb) = 0; #endif skb = skb_dequeue(&dev->drv[di]->rpqueue[channel]); dev_kfree_skb(skb); } else { - tty_insert_flip_char(tty, last, TTY_NORMAL); + tty_insert_flip_char(port, last, TTY_NORMAL); /* Not yet emptied this buff, so it * must stay in the queue, for further calls * but we pull off the data we got until now. @@ -1062,9 +1057,9 @@ isdn_info_update(void) } static ssize_t -isdn_read(struct file *file, char __user *buf, size_t count, loff_t * off) +isdn_read(struct file *file, char __user *buf, size_t count, loff_t *off) { - uint minor = iminor(file->f_path.dentry->d_inode); + uint minor = iminor(file_inode(file)); int len = 0; int drvidx; int chidx; @@ -1078,7 +1073,8 @@ isdn_read(struct file *file, char __user *buf, size_t count, loff_t * off) retval = -EAGAIN; goto out; } - interruptible_sleep_on(&(dev->info_waitq)); + wait_event_interruptible(dev->info_waitq, + file->private_data); } p = isdn_statstr(); file->private_data = NULL; @@ -1117,7 +1113,7 @@ isdn_read(struct file *file, char __user *buf, size_t count, loff_t * off) len = isdn_readbchan(drvidx, chidx, p, NULL, count, &dev->drv[drvidx]->rcv_waitq[chidx]); *off += len; - if (copy_to_user(buf,p,len)) + if (copy_to_user(buf, p, len)) len = -EFAULT; kfree(p); retval = len; @@ -1134,13 +1130,14 @@ isdn_read(struct file *file, char __user *buf, size_t count, loff_t * off) retval = -EAGAIN; goto out; } - interruptible_sleep_on(&(dev->drv[drvidx]->st_waitq)); + wait_event_interruptible(dev->drv[drvidx]->st_waitq, + dev->drv[drvidx]->stavail); } if (dev->drv[drvidx]->interface->readstat) { if (count > dev->drv[drvidx]->stavail) count = dev->drv[drvidx]->stavail; len = dev->drv[drvidx]->interface->readstat(buf, count, - drvidx, isdn_minor2chan(minor - ISDN_MINOR_CTRL)); + drvidx, isdn_minor2chan(minor - ISDN_MINOR_CTRL)); if (len < 0) { retval = len; goto out; @@ -1163,15 +1160,15 @@ isdn_read(struct file *file, char __user *buf, size_t count, loff_t * off) } #endif retval = -ENODEV; - out: +out: mutex_unlock(&isdn_mutex); return retval; } static ssize_t -isdn_write(struct file *file, const char __user *buf, size_t count, loff_t * off) +isdn_write(struct file *file, const char __user *buf, size_t count, loff_t *off) { - uint minor = iminor(file->f_path.dentry->d_inode); + uint minor = iminor(file_inode(file)); int drvidx; int chidx; int retval; @@ -1194,8 +1191,8 @@ isdn_write(struct file *file, const char __user *buf, size_t count, loff_t * off goto out; } chidx = isdn_minor2chan(minor); - while ((retval = isdn_writebuf_stub(drvidx, chidx, buf, count)) == 0) - interruptible_sleep_on(&dev->drv[drvidx]->snd_waitq[chidx]); + wait_event_interruptible(dev->drv[drvidx]->snd_waitq[chidx], + (retval = isdn_writebuf_stub(drvidx, chidx, buf, count))); goto out; } if (minor <= ISDN_MINOR_CTRLMAX) { @@ -1209,11 +1206,11 @@ isdn_write(struct file *file, const char __user *buf, size_t count, loff_t * off * if (!(dev->drv[drvidx]->flags & DRV_FLAG_RUNNING)) return -ENODEV; - */ + */ if (dev->drv[drvidx]->interface->writecmd) retval = dev->drv[drvidx]->interface-> writecmd(buf, count, drvidx, - isdn_minor2chan(minor - ISDN_MINOR_CTRL)); + isdn_minor2chan(minor - ISDN_MINOR_CTRL)); else retval = count; goto out; @@ -1225,16 +1222,16 @@ isdn_write(struct file *file, const char __user *buf, size_t count, loff_t * off } #endif retval = -ENODEV; - out: +out: mutex_unlock(&isdn_mutex); return retval; } static unsigned int -isdn_poll(struct file *file, poll_table * wait) +isdn_poll(struct file *file, poll_table *wait) { unsigned int mask = 0; - unsigned int minor = iminor(file->f_path.dentry->d_inode); + unsigned int minor = iminor(file_inode(file)); int drvidx = isdn_minor2drv(minor - ISDN_MINOR_CTRL); mutex_lock(&isdn_mutex); @@ -1266,7 +1263,7 @@ isdn_poll(struct file *file, poll_table * wait) } #endif mask = POLLERR; - out: +out: mutex_unlock(&isdn_mutex); return mask; } @@ -1275,10 +1272,9 @@ isdn_poll(struct file *file, poll_table * wait) static int isdn_ioctl(struct file *file, uint cmd, ulong arg) { - uint minor = iminor(file->f_path.dentry->d_inode); + uint minor = iminor(file_inode(file)); isdn_ctrl c; int drvidx; - int chidx; int ret; int i; char __user *p; @@ -1300,38 +1296,36 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) if (minor == ISDN_MINOR_STATUS) { switch (cmd) { - case IIOCGETDVR: - return (TTY_DV + - (NET_DV << 8) + - (INF_DV << 16)); - case IIOCGETCPS: - if (arg) { - ulong __user *p = argp; - int i; - if (!access_ok(VERIFY_WRITE, p, - sizeof(ulong) * ISDN_MAX_CHANNELS * 2)) - return -EFAULT; - for (i = 0; i < ISDN_MAX_CHANNELS; i++) { - put_user(dev->ibytes[i], p++); - put_user(dev->obytes[i], p++); - } - return 0; - } else - return -EINVAL; - break; -#ifdef CONFIG_NETDEVICES - case IIOCNETGPN: - /* Get peer phone number of a connected - * isdn network interface */ - if (arg) { - if (copy_from_user(&phone, argp, sizeof(phone))) - return -EFAULT; - return isdn_net_getpeer(&phone, argp); - } else - return -EINVAL; -#endif - default: + case IIOCGETDVR: + return (TTY_DV + + (NET_DV << 8) + + (INF_DV << 16)); + case IIOCGETCPS: + if (arg) { + ulong __user *p = argp; + int i; + if (!access_ok(VERIFY_WRITE, p, + sizeof(ulong) * ISDN_MAX_CHANNELS * 2)) + return -EFAULT; + for (i = 0; i < ISDN_MAX_CHANNELS; i++) { + put_user(dev->ibytes[i], p++); + put_user(dev->obytes[i], p++); + } + return 0; + } else return -EINVAL; + break; + case IIOCNETGPN: + /* Get peer phone number of a connected + * isdn network interface */ + if (arg) { + if (copy_from_user(&phone, argp, sizeof(phone))) + return -EFAULT; + return isdn_net_getpeer(&phone, argp); + } else + return -EINVAL; + default: + return -EINVAL; } } if (!dev->drivers) @@ -1340,7 +1334,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) drvidx = isdn_minor2drv(minor); if (drvidx < 0) return -ENODEV; - chidx = isdn_minor2chan(minor); if (!(dev->drv[drvidx]->flags & DRV_FLAG_RUNNING)) return -ENODEV; return 0; @@ -1354,360 +1347,358 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) * are serialized by means of a semaphore. */ switch (cmd) { - case IIOCNETDWRSET: - printk(KERN_INFO "INFO: ISDN_DW_ABC_EXTENSION not enabled\n"); - return(-EINVAL); - case IIOCNETLCR: - printk(KERN_INFO "INFO: ISDN_ABC_LCR_SUPPORT not enabled\n"); - return -ENODEV; -#ifdef CONFIG_NETDEVICES - case IIOCNETAIF: - /* Add a network-interface */ - if (arg) { - if (copy_from_user(name, argp, sizeof(name))) - return -EFAULT; - s = name; + case IIOCNETDWRSET: + printk(KERN_INFO "INFO: ISDN_DW_ABC_EXTENSION not enabled\n"); + return (-EINVAL); + case IIOCNETLCR: + printk(KERN_INFO "INFO: ISDN_ABC_LCR_SUPPORT not enabled\n"); + return -ENODEV; + case IIOCNETAIF: + /* Add a network-interface */ + if (arg) { + if (copy_from_user(name, argp, sizeof(name))) + return -EFAULT; + s = name; + } else { + s = NULL; + } + ret = mutex_lock_interruptible(&dev->mtx); + if (ret) return ret; + if ((s = isdn_net_new(s, NULL))) { + if (copy_to_user(argp, s, strlen(s) + 1)) { + ret = -EFAULT; + } else { + ret = 0; + } + } else + ret = -ENODEV; + mutex_unlock(&dev->mtx); + return ret; + case IIOCNETASL: + /* Add a slave to a network-interface */ + if (arg) { + if (copy_from_user(bname, argp, sizeof(bname) - 1)) + return -EFAULT; + } else + return -EINVAL; + ret = mutex_lock_interruptible(&dev->mtx); + if (ret) return ret; + if ((s = isdn_net_newslave(bname))) { + if (copy_to_user(argp, s, strlen(s) + 1)) { + ret = -EFAULT; } else { - s = NULL; + ret = 0; } + } else + ret = -ENODEV; + mutex_unlock(&dev->mtx); + return ret; + case IIOCNETDIF: + /* Delete a network-interface */ + if (arg) { + if (copy_from_user(name, argp, sizeof(name))) + return -EFAULT; ret = mutex_lock_interruptible(&dev->mtx); - if( ret ) return ret; - if ((s = isdn_net_new(s, NULL))) { - if (copy_to_user(argp, s, strlen(s) + 1)){ - ret = -EFAULT; - } else { - ret = 0; - } - } else - ret = -ENODEV; + if (ret) return ret; + ret = isdn_net_rm(name); mutex_unlock(&dev->mtx); return ret; - case IIOCNETASL: - /* Add a slave to a network-interface */ - if (arg) { - if (copy_from_user(bname, argp, sizeof(bname) - 1)) + } else + return -EINVAL; + case IIOCNETSCF: + /* Set configurable parameters of a network-interface */ + if (arg) { + if (copy_from_user(&cfg, argp, sizeof(cfg))) + return -EFAULT; + return isdn_net_setcfg(&cfg); + } else + return -EINVAL; + case IIOCNETGCF: + /* Get configurable parameters of a network-interface */ + if (arg) { + if (copy_from_user(&cfg, argp, sizeof(cfg))) + return -EFAULT; + if (!(ret = isdn_net_getcfg(&cfg))) { + if (copy_to_user(argp, &cfg, sizeof(cfg))) return -EFAULT; - } else - return -EINVAL; + } + return ret; + } else + return -EINVAL; + case IIOCNETANM: + /* Add a phone-number to a network-interface */ + if (arg) { + if (copy_from_user(&phone, argp, sizeof(phone))) + return -EFAULT; ret = mutex_lock_interruptible(&dev->mtx); - if( ret ) return ret; - if ((s = isdn_net_newslave(bname))) { - if (copy_to_user(argp, s, strlen(s) + 1)){ - ret = -EFAULT; - } else { - ret = 0; - } - } else - ret = -ENODEV; + if (ret) return ret; + ret = isdn_net_addphone(&phone); mutex_unlock(&dev->mtx); return ret; - case IIOCNETDIF: - /* Delete a network-interface */ - if (arg) { - if (copy_from_user(name, argp, sizeof(name))) - return -EFAULT; - ret = mutex_lock_interruptible(&dev->mtx); - if( ret ) return ret; - ret = isdn_net_rm(name); - mutex_unlock(&dev->mtx); - return ret; - } else - return -EINVAL; - case IIOCNETSCF: - /* Set configurable parameters of a network-interface */ - if (arg) { - if (copy_from_user(&cfg, argp, sizeof(cfg))) - return -EFAULT; - return isdn_net_setcfg(&cfg); - } else - return -EINVAL; - case IIOCNETGCF: - /* Get configurable parameters of a network-interface */ - if (arg) { - if (copy_from_user(&cfg, argp, sizeof(cfg))) - return -EFAULT; - if (!(ret = isdn_net_getcfg(&cfg))) { - if (copy_to_user(argp, &cfg, sizeof(cfg))) - return -EFAULT; - } - return ret; - } else - return -EINVAL; - case IIOCNETANM: - /* Add a phone-number to a network-interface */ - if (arg) { - if (copy_from_user(&phone, argp, sizeof(phone))) - return -EFAULT; - ret = mutex_lock_interruptible(&dev->mtx); - if( ret ) return ret; - ret = isdn_net_addphone(&phone); - mutex_unlock(&dev->mtx); - return ret; - } else - return -EINVAL; - case IIOCNETGNM: - /* Get list of phone-numbers of a network-interface */ - if (arg) { - if (copy_from_user(&phone, argp, sizeof(phone))) - return -EFAULT; - ret = mutex_lock_interruptible(&dev->mtx); - if( ret ) return ret; - ret = isdn_net_getphones(&phone, argp); - mutex_unlock(&dev->mtx); - return ret; - } else - return -EINVAL; - case IIOCNETDNM: - /* Delete a phone-number of a network-interface */ - if (arg) { - if (copy_from_user(&phone, argp, sizeof(phone))) - return -EFAULT; - ret = mutex_lock_interruptible(&dev->mtx); - if( ret ) return ret; - ret = isdn_net_delphone(&phone); - mutex_unlock(&dev->mtx); - return ret; - } else - return -EINVAL; - case IIOCNETDIL: - /* Force dialing of a network-interface */ - if (arg) { - if (copy_from_user(name, argp, sizeof(name))) - return -EFAULT; - return isdn_net_force_dial(name); - } else - return -EINVAL; -#ifdef CONFIG_ISDN_PPP - case IIOCNETALN: - if (!arg) - return -EINVAL; - if (copy_from_user(name, argp, sizeof(name))) + } else + return -EINVAL; + case IIOCNETGNM: + /* Get list of phone-numbers of a network-interface */ + if (arg) { + if (copy_from_user(&phone, argp, sizeof(phone))) return -EFAULT; - return isdn_ppp_dial_slave(name); - case IIOCNETDLN: - if (!arg) - return -EINVAL; + ret = mutex_lock_interruptible(&dev->mtx); + if (ret) return ret; + ret = isdn_net_getphones(&phone, argp); + mutex_unlock(&dev->mtx); + return ret; + } else + return -EINVAL; + case IIOCNETDNM: + /* Delete a phone-number of a network-interface */ + if (arg) { + if (copy_from_user(&phone, argp, sizeof(phone))) + return -EFAULT; + ret = mutex_lock_interruptible(&dev->mtx); + if (ret) return ret; + ret = isdn_net_delphone(&phone); + mutex_unlock(&dev->mtx); + return ret; + } else + return -EINVAL; + case IIOCNETDIL: + /* Force dialing of a network-interface */ + if (arg) { if (copy_from_user(name, argp, sizeof(name))) return -EFAULT; - return isdn_ppp_hangup_slave(name); + return isdn_net_force_dial(name); + } else + return -EINVAL; +#ifdef CONFIG_ISDN_PPP + case IIOCNETALN: + if (!arg) + return -EINVAL; + if (copy_from_user(name, argp, sizeof(name))) + return -EFAULT; + return isdn_ppp_dial_slave(name); + case IIOCNETDLN: + if (!arg) + return -EINVAL; + if (copy_from_user(name, argp, sizeof(name))) + return -EFAULT; + return isdn_ppp_hangup_slave(name); #endif - case IIOCNETHUP: - /* Force hangup of a network-interface */ - if (!arg) - return -EINVAL; - if (copy_from_user(name, argp, sizeof(name))) + case IIOCNETHUP: + /* Force hangup of a network-interface */ + if (!arg) + return -EINVAL; + if (copy_from_user(name, argp, sizeof(name))) + return -EFAULT; + return isdn_net_force_hangup(name); + break; + case IIOCSETVER: + dev->net_verbose = arg; + printk(KERN_INFO "isdn: Verbose-Level is %d\n", dev->net_verbose); + return 0; + case IIOCSETGST: + if (arg) + dev->global_flags |= ISDN_GLOBAL_STOPPED; + else + dev->global_flags &= ~ISDN_GLOBAL_STOPPED; + printk(KERN_INFO "isdn: Global Mode %s\n", + (dev->global_flags & ISDN_GLOBAL_STOPPED) ? "stopped" : "running"); + return 0; + case IIOCSETBRJ: + drvidx = -1; + if (arg) { + int i; + char *p; + if (copy_from_user(&iocts, argp, + sizeof(isdn_ioctl_struct))) return -EFAULT; - return isdn_net_force_hangup(name); - break; -#endif /* CONFIG_NETDEVICES */ - case IIOCSETVER: - dev->net_verbose = arg; - printk(KERN_INFO "isdn: Verbose-Level is %d\n", dev->net_verbose); - return 0; - case IIOCSETGST: - if (arg) - dev->global_flags |= ISDN_GLOBAL_STOPPED; - else - dev->global_flags &= ~ISDN_GLOBAL_STOPPED; - printk(KERN_INFO "isdn: Global Mode %s\n", - (dev->global_flags & ISDN_GLOBAL_STOPPED) ? "stopped" : "running"); - return 0; - case IIOCSETBRJ: - drvidx = -1; - if (arg) { - int i; - char *p; - if (copy_from_user(&iocts, argp, - sizeof(isdn_ioctl_struct))) - return -EFAULT; - iocts.drvid[sizeof(iocts.drvid)-1] = 0; - if (strlen(iocts.drvid)) { - if ((p = strchr(iocts.drvid, ','))) - *p = 0; - drvidx = -1; - for (i = 0; i < ISDN_MAX_DRIVERS; i++) - if (!(strcmp(dev->drvid[i], iocts.drvid))) { - drvidx = i; - break; - } - } + iocts.drvid[sizeof(iocts.drvid) - 1] = 0; + if (strlen(iocts.drvid)) { + if ((p = strchr(iocts.drvid, ','))) + *p = 0; + drvidx = -1; + for (i = 0; i < ISDN_MAX_DRIVERS; i++) + if (!(strcmp(dev->drvid[i], iocts.drvid))) { + drvidx = i; + break; + } } - if (drvidx == -1) - return -ENODEV; - if (iocts.arg) - dev->drv[drvidx]->flags |= DRV_FLAG_REJBUS; - else - dev->drv[drvidx]->flags &= ~DRV_FLAG_REJBUS; - return 0; - case IIOCSIGPRF: - dev->profd = current; - return 0; - break; - case IIOCGETPRF: - /* Get all Modem-Profiles */ - if (arg) { - char __user *p = argp; - int i; - - if (!access_ok(VERIFY_WRITE, argp, - (ISDN_MODEM_NUMREG + ISDN_MSNLEN + ISDN_LMSNLEN) - * ISDN_MAX_CHANNELS)) + } + if (drvidx == -1) + return -ENODEV; + if (iocts.arg) + dev->drv[drvidx]->flags |= DRV_FLAG_REJBUS; + else + dev->drv[drvidx]->flags &= ~DRV_FLAG_REJBUS; + return 0; + case IIOCSIGPRF: + dev->profd = current; + return 0; + break; + case IIOCGETPRF: + /* Get all Modem-Profiles */ + if (arg) { + char __user *p = argp; + int i; + + if (!access_ok(VERIFY_WRITE, argp, + (ISDN_MODEM_NUMREG + ISDN_MSNLEN + ISDN_LMSNLEN) + * ISDN_MAX_CHANNELS)) + return -EFAULT; + + for (i = 0; i < ISDN_MAX_CHANNELS; i++) { + if (copy_to_user(p, dev->mdm.info[i].emu.profile, + ISDN_MODEM_NUMREG)) + return -EFAULT; + p += ISDN_MODEM_NUMREG; + if (copy_to_user(p, dev->mdm.info[i].emu.pmsn, ISDN_MSNLEN)) return -EFAULT; + p += ISDN_MSNLEN; + if (copy_to_user(p, dev->mdm.info[i].emu.plmsn, ISDN_LMSNLEN)) + return -EFAULT; + p += ISDN_LMSNLEN; + } + return (ISDN_MODEM_NUMREG + ISDN_MSNLEN + ISDN_LMSNLEN) * ISDN_MAX_CHANNELS; + } else + return -EINVAL; + break; + case IIOCSETPRF: + /* Set all Modem-Profiles */ + if (arg) { + char __user *p = argp; + int i; + + if (!access_ok(VERIFY_READ, argp, + (ISDN_MODEM_NUMREG + ISDN_MSNLEN + ISDN_LMSNLEN) + * ISDN_MAX_CHANNELS)) + return -EFAULT; - for (i = 0; i < ISDN_MAX_CHANNELS; i++) { - if (copy_to_user(p, dev->mdm.info[i].emu.profile, - ISDN_MODEM_NUMREG)) - return -EFAULT; - p += ISDN_MODEM_NUMREG; - if (copy_to_user(p, dev->mdm.info[i].emu.pmsn, ISDN_MSNLEN)) - return -EFAULT; - p += ISDN_MSNLEN; - if (copy_to_user(p, dev->mdm.info[i].emu.plmsn, ISDN_LMSNLEN)) - return -EFAULT; - p += ISDN_LMSNLEN; - } - return (ISDN_MODEM_NUMREG + ISDN_MSNLEN + ISDN_LMSNLEN) * ISDN_MAX_CHANNELS; - } else - return -EINVAL; - break; - case IIOCSETPRF: - /* Set all Modem-Profiles */ - if (arg) { - char __user *p = argp; - int i; - - if (!access_ok(VERIFY_READ, argp, - (ISDN_MODEM_NUMREG + ISDN_MSNLEN + ISDN_LMSNLEN) - * ISDN_MAX_CHANNELS)) + for (i = 0; i < ISDN_MAX_CHANNELS; i++) { + if (copy_from_user(dev->mdm.info[i].emu.profile, p, + ISDN_MODEM_NUMREG)) + return -EFAULT; + p += ISDN_MODEM_NUMREG; + if (copy_from_user(dev->mdm.info[i].emu.plmsn, p, ISDN_LMSNLEN)) + return -EFAULT; + p += ISDN_LMSNLEN; + if (copy_from_user(dev->mdm.info[i].emu.pmsn, p, ISDN_MSNLEN)) return -EFAULT; + p += ISDN_MSNLEN; + } + return 0; + } else + return -EINVAL; + break; + case IIOCSETMAP: + case IIOCGETMAP: + /* Set/Get MSN->EAZ-Mapping for a driver */ + if (arg) { - for (i = 0; i < ISDN_MAX_CHANNELS; i++) { - if (copy_from_user(dev->mdm.info[i].emu.profile, p, - ISDN_MODEM_NUMREG)) - return -EFAULT; - p += ISDN_MODEM_NUMREG; - if (copy_from_user(dev->mdm.info[i].emu.plmsn, p, ISDN_LMSNLEN)) - return -EFAULT; - p += ISDN_LMSNLEN; - if (copy_from_user(dev->mdm.info[i].emu.pmsn, p, ISDN_MSNLEN)) - return -EFAULT; - p += ISDN_MSNLEN; - } - return 0; + if (copy_from_user(&iocts, argp, + sizeof(isdn_ioctl_struct))) + return -EFAULT; + iocts.drvid[sizeof(iocts.drvid) - 1] = 0; + if (strlen(iocts.drvid)) { + drvidx = -1; + for (i = 0; i < ISDN_MAX_DRIVERS; i++) + if (!(strcmp(dev->drvid[i], iocts.drvid))) { + drvidx = i; + break; + } } else - return -EINVAL; - break; - case IIOCSETMAP: - case IIOCGETMAP: - /* Set/Get MSN->EAZ-Mapping for a driver */ - if (arg) { + drvidx = 0; + if (drvidx == -1) + return -ENODEV; + if (cmd == IIOCSETMAP) { + int loop = 1; - if (copy_from_user(&iocts, argp, - sizeof(isdn_ioctl_struct))) - return -EFAULT; - iocts.drvid[sizeof(iocts.drvid)-1] = 0; - if (strlen(iocts.drvid)) { - drvidx = -1; - for (i = 0; i < ISDN_MAX_DRIVERS; i++) - if (!(strcmp(dev->drvid[i], iocts.drvid))) { - drvidx = i; + p = (char __user *) iocts.arg; + i = 0; + while (loop) { + int j = 0; + + while (1) { + if (!access_ok(VERIFY_READ, p, 1)) + return -EFAULT; + get_user(bname[j], p++); + switch (bname[j]) { + case '\0': + loop = 0; + /* Fall through */ + case ',': + bname[j] = '\0'; + strcpy(dev->drv[drvidx]->msn2eaz[i], bname); + j = ISDN_MSNLEN; break; + default: + j++; } - } else - drvidx = 0; - if (drvidx == -1) - return -ENODEV; - if (cmd == IIOCSETMAP) { - int loop = 1; - - p = (char __user *) iocts.arg; - i = 0; - while (loop) { - int j = 0; - - while (1) { - if (!access_ok(VERIFY_READ, p, 1)) - return -EFAULT; - get_user(bname[j], p++); - switch (bname[j]) { - case '\0': - loop = 0; - /* Fall through */ - case ',': - bname[j] = '\0'; - strcpy(dev->drv[drvidx]->msn2eaz[i], bname); - j = ISDN_MSNLEN; - break; - default: - j++; - } - if (j >= ISDN_MSNLEN) - break; - } - if (++i > 9) + if (j >= ISDN_MSNLEN) break; } - } else { - p = (char __user *) iocts.arg; - for (i = 0; i < 10; i++) { - snprintf(bname, sizeof(bname), "%s%s", - strlen(dev->drv[drvidx]->msn2eaz[i]) ? - dev->drv[drvidx]->msn2eaz[i] : "_", - (i < 9) ? "," : "\0"); - if (copy_to_user(p, bname, strlen(bname) + 1)) - return -EFAULT; - p += strlen(bname); - } + if (++i > 9) + break; } - return 0; - } else - return -EINVAL; - case IIOCDBGVAR: - if (arg) { - if (copy_to_user(argp, &dev, sizeof(ulong))) - return -EFAULT; - return 0; - } else - return -EINVAL; - break; - default: - if ((cmd & IIOCDRVCTL) == IIOCDRVCTL) - cmd = ((cmd >> _IOC_NRSHIFT) & _IOC_NRMASK) & ISDN_DRVIOCTL_MASK; - else - return -EINVAL; - if (arg) { - int i; - char *p; - if (copy_from_user(&iocts, argp, sizeof(isdn_ioctl_struct))) - return -EFAULT; - iocts.drvid[sizeof(iocts.drvid)-1] = 0; - if (strlen(iocts.drvid)) { - if ((p = strchr(iocts.drvid, ','))) - *p = 0; - drvidx = -1; - for (i = 0; i < ISDN_MAX_DRIVERS; i++) - if (!(strcmp(dev->drvid[i], iocts.drvid))) { - drvidx = i; - break; - } - } else - drvidx = 0; - if (drvidx == -1) - return -ENODEV; - if (!access_ok(VERIFY_WRITE, argp, - sizeof(isdn_ioctl_struct))) - return -EFAULT; - c.driver = drvidx; - c.command = ISDN_CMD_IOCTL; - c.arg = cmd; - memcpy(c.parm.num, &iocts.arg, sizeof(ulong)); - ret = isdn_command(&c); - memcpy(&iocts.arg, c.parm.num, sizeof(ulong)); - if (copy_to_user(argp, &iocts, sizeof(isdn_ioctl_struct))) - return -EFAULT; - return ret; + } else { + p = (char __user *) iocts.arg; + for (i = 0; i < 10; i++) { + snprintf(bname, sizeof(bname), "%s%s", + strlen(dev->drv[drvidx]->msn2eaz[i]) ? + dev->drv[drvidx]->msn2eaz[i] : "_", + (i < 9) ? "," : "\0"); + if (copy_to_user(p, bname, strlen(bname) + 1)) + return -EFAULT; + p += strlen(bname); + } + } + return 0; + } else + return -EINVAL; + case IIOCDBGVAR: + if (arg) { + if (copy_to_user(argp, &dev, sizeof(ulong))) + return -EFAULT; + return 0; + } else + return -EINVAL; + break; + default: + if ((cmd & IIOCDRVCTL) == IIOCDRVCTL) + cmd = ((cmd >> _IOC_NRSHIFT) & _IOC_NRMASK) & ISDN_DRVIOCTL_MASK; + else + return -EINVAL; + if (arg) { + int i; + char *p; + if (copy_from_user(&iocts, argp, sizeof(isdn_ioctl_struct))) + return -EFAULT; + iocts.drvid[sizeof(iocts.drvid) - 1] = 0; + if (strlen(iocts.drvid)) { + if ((p = strchr(iocts.drvid, ','))) + *p = 0; + drvidx = -1; + for (i = 0; i < ISDN_MAX_DRIVERS; i++) + if (!(strcmp(dev->drvid[i], iocts.drvid))) { + drvidx = i; + break; + } } else - return -EINVAL; + drvidx = 0; + if (drvidx == -1) + return -ENODEV; + if (!access_ok(VERIFY_WRITE, argp, + sizeof(isdn_ioctl_struct))) + return -EFAULT; + c.driver = drvidx; + c.command = ISDN_CMD_IOCTL; + c.arg = cmd; + memcpy(c.parm.num, &iocts.arg, sizeof(ulong)); + ret = isdn_command(&c); + memcpy(&iocts.arg, c.parm.num, sizeof(ulong)); + if (copy_to_user(argp, &iocts, sizeof(isdn_ioctl_struct))) + return -EFAULT; + return ret; + } else + return -EINVAL; } } #ifdef CONFIG_ISDN_PPP @@ -1795,7 +1786,7 @@ isdn_open(struct inode *ino, struct file *filep) goto out; } #endif - out: +out: nonseekable_open(ino, filep); mutex_unlock(&isdn_mutex); return retval; @@ -1839,7 +1830,7 @@ isdn_close(struct inode *ino, struct file *filep) isdn_ppp_release(minor - ISDN_MINOR_PPP, filep); #endif - out: +out: mutex_unlock(&isdn_mutex); return 0; } @@ -1875,14 +1866,14 @@ isdn_map_eaz2msn(char *msn, int di) * Find an unused ISDN-channel, whose feature-flags match the * given L2- and L3-protocols. */ -#define L2V (~(ISDN_FEATURE_L2_V11096|ISDN_FEATURE_L2_V11019|ISDN_FEATURE_L2_V11038)) +#define L2V (~(ISDN_FEATURE_L2_V11096 | ISDN_FEATURE_L2_V11019 | ISDN_FEATURE_L2_V11038)) /* * This function must be called with holding the dev->lock. */ int isdn_get_free_channel(int usage, int l2_proto, int l3_proto, int pre_dev - ,int pre_chan, char *msn) + , int pre_chan, char *msn) { int i; ulong features; @@ -1890,7 +1881,7 @@ isdn_get_free_channel(int usage, int l2_proto, int l3_proto, int pre_dev features = ((1 << l2_proto) | (0x10000 << l3_proto)); vfeatures = (((1 << l2_proto) | (0x10000 << l3_proto)) & - ~(ISDN_FEATURE_L2_V11096|ISDN_FEATURE_L2_V11019|ISDN_FEATURE_L2_V11038)); + ~(ISDN_FEATURE_L2_V11096 | ISDN_FEATURE_L2_V11019 | ISDN_FEATURE_L2_V11038)); /* If Layer-2 protocol is V.110, accept drivers with * transparent feature even if these don't support V.110 * because we can emulate this in linklevel. @@ -1900,12 +1891,12 @@ isdn_get_free_channel(int usage, int l2_proto, int l3_proto, int pre_dev (dev->drvmap[i] != -1)) { int d = dev->drvmap[i]; if ((dev->usage[i] & ISDN_USAGE_EXCLUSIVE) && - ((pre_dev != d) || (pre_chan != dev->chanmap[i]))) + ((pre_dev != d) || (pre_chan != dev->chanmap[i]))) continue; if (!strcmp(isdn_map_eaz2msn(msn, d), "-")) continue; if (dev->usage[i] & ISDN_USAGE_DISABLED) - continue; /* usage not allowed */ + continue; /* usage not allowed */ if (dev->drv[d]->flags & DRV_FLAG_RUNNING) { if (((dev->drv[d]->interface->features & features) == features) || (((dev->drv[d]->interface->features & vfeatures) == vfeatures) && @@ -1939,7 +1930,7 @@ isdn_free_channel(int di, int ch, int usage) if ((di < 0) || (ch < 0)) { printk(KERN_WARNING "%s: called with invalid drv(%d) or channel(%d)\n", - __func__, di, ch); + __func__, di, ch); return; } for (i = 0; i < ISDN_MAX_CHANNELS; i++) @@ -1983,7 +1974,7 @@ isdn_unexclusive_channel(int di, int ch) * writebuf replacement for SKB_ABLE drivers */ static int -isdn_writebuf_stub(int drvidx, int chan, const u_char __user * buf, int len) +isdn_writebuf_stub(int drvidx, int chan, const u_char __user *buf, int len) { int ret; int hl = dev->drv[drvidx]->interface->hl_hdrlen; @@ -2033,8 +2024,8 @@ isdn_writebuf_skb_stub(int drvidx, int chan, int ack, struct sk_buff *skb) } else { int hl = dev->drv[drvidx]->interface->hl_hdrlen; - if( skb_headroom(skb) < hl ){ - /* + if (skb_headroom(skb) < hl) { + /* * This should only occur when new HL driver with * increased hl_hdrlen was loaded after netdevice * was created and connected to the new driver. @@ -2042,13 +2033,13 @@ isdn_writebuf_skb_stub(int drvidx, int chan, int ack, struct sk_buff *skb) * The V.110 branch (re-allocates on its own) does * not need this */ - struct sk_buff * skb_tmp; + struct sk_buff *skb_tmp; skb_tmp = skb_realloc_headroom(skb, hl); printk(KERN_DEBUG "isdn_writebuf_skb_stub: reallocating headroom%s\n", skb_tmp ? "" : " failed"); if (!skb_tmp) return -ENOMEM; /* 0 better? */ ret = dev->drv[drvidx]->interface->writebuf_skb(drvidx, chan, ack, skb_tmp); - if( ret > 0 ){ + if (ret > 0) { dev_kfree_skb(skb); } else { dev_kfree_skb(skb_tmp); @@ -2066,7 +2057,7 @@ isdn_writebuf_skb_stub(int drvidx, int chan, int ack, struct sk_buff *skb) /* For V.110 return unencoded data length */ ret = v110_ret; /* if the complete frame was send we free the skb; - if not upper function will requeue the skb */ + if not upper function will requeue the skb */ if (ret == skb->len) dev_kfree_skb(skb); } @@ -2084,7 +2075,7 @@ isdn_add_channels(isdn_driver_t *d, int drvidx, int n, int adding) init_waitqueue_head(&d->st_waitq); if (d->flags & DRV_FLAG_RUNNING) return -1; - if (n < 1) return 0; + if (n < 1) return 0; m = (adding) ? d->channels + n : n; @@ -2121,7 +2112,7 @@ isdn_add_channels(isdn_driver_t *d, int drvidx, int n, int adding) kfree(d->rcvcount); kfree(d->rcverr); } - return -1; + return -1; } for (j = 0; j < m; j++) { skb_queue_head_init(&d->rpqueue[j]); @@ -2179,45 +2170,45 @@ set_global_features(void) static char *map_drvname(int di) { - if ((di < 0) || (di >= ISDN_MAX_DRIVERS)) - return(NULL); - return(dev->drvid[di]); /* driver name */ + if ((di < 0) || (di >= ISDN_MAX_DRIVERS)) + return (NULL); + return (dev->drvid[di]); /* driver name */ } /* map_drvname */ static int map_namedrv(char *id) { int i; - for (i = 0; i < ISDN_MAX_DRIVERS; i++) - { if (!strcmp(dev->drvid[i],id)) - return(i); - } - return(-1); + for (i = 0; i < ISDN_MAX_DRIVERS; i++) + { if (!strcmp(dev->drvid[i], id)) + return (i); + } + return (-1); } /* map_namedrv */ int DIVERT_REG_NAME(isdn_divert_if *i_div) { - if (i_div->if_magic != DIVERT_IF_MAGIC) - return(DIVERT_VER_ERR); - switch (i_div->cmd) - { - case DIVERT_CMD_REL: - if (divert_if != i_div) - return(DIVERT_REL_ERR); - divert_if = NULL; /* free interface */ - return(DIVERT_NO_ERR); - - case DIVERT_CMD_REG: - if (divert_if) - return(DIVERT_REG_ERR); - i_div->ll_cmd = isdn_command; /* set command function */ - i_div->drv_to_name = map_drvname; - i_div->name_to_drv = map_namedrv; - divert_if = i_div; /* remember interface */ - return(DIVERT_NO_ERR); - - default: - return(DIVERT_CMD_ERR); - } + if (i_div->if_magic != DIVERT_IF_MAGIC) + return (DIVERT_VER_ERR); + switch (i_div->cmd) + { + case DIVERT_CMD_REL: + if (divert_if != i_div) + return (DIVERT_REL_ERR); + divert_if = NULL; /* free interface */ + return (DIVERT_NO_ERR); + + case DIVERT_CMD_REG: + if (divert_if) + return (DIVERT_REG_ERR); + i_div->ll_cmd = isdn_command; /* set command function */ + i_div->drv_to_name = map_drvname; + i_div->name_to_drv = map_namedrv; + divert_if = i_div; /* remember interface */ + return (DIVERT_NO_ERR); + + default: + return (DIVERT_CMD_ERR); + } } /* DIVERT_REG_NAME */ EXPORT_SYMBOL(DIVERT_REG_NAME); @@ -2232,7 +2223,7 @@ EXPORT_SYMBOL(isdn_ppp_unregister_compressor); #endif int -register_isdn(isdn_if * i) +register_isdn(isdn_if *i) { isdn_driver_t *d; int j; @@ -2287,10 +2278,10 @@ register_isdn(isdn_if * i) } /* - ***************************************************************************** - * And now the modules code. - ***************************************************************************** - */ +***************************************************************************** +* And now the modules code. +***************************************************************************** +*/ static char * isdn_getrev(const char *revision) @@ -2315,11 +2306,11 @@ static int __init isdn_init(void) int i; char tmprev[50]; - if (!(dev = vmalloc(sizeof(isdn_dev)))) { + dev = vzalloc(sizeof(isdn_dev)); + if (!dev) { printk(KERN_WARNING "isdn: Could not allocate device-struct.\n"); return -EIO; } - memset((char *) dev, 0, sizeof(isdn_dev)); init_timer(&dev->timer); dev->timer.function = isdn_timer_funct; spin_lock_init(&dev->lock); @@ -2334,8 +2325,6 @@ static int __init isdn_init(void) dev->chanmap[i] = -1; dev->m_idx[i] = -1; strcpy(dev->num[i], "???"); - init_waitqueue_head(&dev->mdm.info[i].open_wait); - init_waitqueue_head(&dev->mdm.info[i].close_wait); } if (register_chrdev(ISDN_MAJOR, "isdn", &isdn_fops)) { printk(KERN_WARNING "isdn: Could not register control devices\n"); @@ -2360,8 +2349,6 @@ static int __init isdn_init(void) strcpy(tmprev, isdn_revision); printk(KERN_NOTICE "ISDN subsystem Rev: %s/", isdn_getrev(tmprev)); - strcpy(tmprev, isdn_tty_revision); - printk("%s/", isdn_getrev(tmprev)); strcpy(tmprev, isdn_net_revision); printk("%s/", isdn_getrev(tmprev)); strcpy(tmprev, isdn_ppp_revision); @@ -2394,7 +2381,7 @@ static void __exit isdn_exit(void) } isdn_tty_exit(); unregister_chrdev(ISDN_MAJOR, "isdn"); - del_timer(&dev->timer); + del_timer_sync(&dev->timer); /* call vfree with interrupts enabled, else it will hang */ vfree(dev); printk(KERN_NOTICE "ISDN-subsystem unloaded\n"); |