Initial revision
This commit is contained in:
Fritz Elfert
parent
634c93e7c6
commit
8c4c8d5614
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/* $Id$
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*
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* Main header for the Linux ISDN subsystem (linklevel).
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*
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* Copyright 1994,95,96 by Fritz Elfert (fritz@wuemaus.franken.de)
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* Copyright 1995,96 by Thinking Objects Software GmbH Wuerzburg
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* Copyright 1995,96 by Michael Hipp (Michael.Hipp@student.uni-tuebingen.de)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Log$
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*/
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#ifndef isdn_h
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#define isdn_h
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#define ISDN_TTY_MAJOR 43
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#define ISDN_TTYAUX_MAJOR 44
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#define ISDN_MAJOR 45
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/* The minor-devicenumbers for Channel 0 and 1 are used as arguments for
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* physical Channel-Mapping, so they MUST NOT be changed without changing
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* the correspondent code in isdn.c
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*/
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#define ISDN_MAX_DRIVERS 16
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#define ISDN_MAX_CHANNELS 16
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#define ISDN_MINOR_B 0
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#define ISDN_MINOR_BMAX (ISDN_MAX_CHANNELS-1)
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#define ISDN_MINOR_CTRL ISDN_MAX_CHANNELS
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#define ISDN_MINOR_CTRLMAX (2*ISDN_MAX_CHANNELS-1)
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#define ISDN_MINOR_PPP (2*ISDN_MAX_CHANNELS)
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#define ISDN_MINOR_PPPMAX (3*ISDN_MAX_CHANNELS-1)
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#define ISDN_MINOR_STATUS 128
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#define ISDN_IOCTL_DRVIOCTL 0x100 /* Offset to add for Device-ioctl */
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#define ISDN_IOCTL_NET_ADDIF 1
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#define ISDN_IOCTL_NET_DELIF 2
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#define ISDN_IOCTL_NET_SETCFG 3
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#define ISDN_IOCTL_NET_GETCFG 4
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#define ISDN_IOCTL_NET_ADDNUM 5
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#define ISDN_IOCTL_NET_DELNUM 6
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#define ISDN_IOCTL_NET_GETNUM 7
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#define ISDN_IOCTL_GET_SETUP 8
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#define ISDN_IOCTL_SET_SETUP 9
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#define ISDN_IOCTL_SET_VERBOSE 10
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#define ISDN_IOCTL_NET_HANGUP 11
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#define ISDN_IOCTL_SET_GLOBALSTOP 12
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#define ISDN_IOCTL_SET_BUSREJECT 13
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#define ISDN_IOCTL_PROFILESIG 14
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#define ISDN_IOCTL_PROFILEGET 15
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#define ISDN_IOCTL_PROFILESET 16
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#define ISDN_IOCTL_GETMAPPING 17
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#define ISDN_IOCTL_SETMAPPING 18
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#define ISDN_IOCTL_NET_ADDSLAVE 19
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#define ISDN_IOCTL_NET_DIAL 20
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#define ISDN_IOCTL_DEBUGVAR 21
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#define ISDN_IOCTL_NET_ADD_LINK 32
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#define ISDN_IOCTL_NET_REMOVE_LINK 33
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#ifdef ISDN_DEBUG_MODEM_SENDOPT
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#define ISDN_IOCTL_GETMAX 98
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#define ISDN_IOCTL_RESETMAX 99
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#endif
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#define ISDN_NET_ENCAP_ETHER 0
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#define ISDN_NET_ENCAP_RAWIP 1
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#define ISDN_NET_ENCAP_IPTYP 2
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#define ISDN_NET_ENCAP_CISCOHDLC 3
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#define ISDN_NET_ENCAP_SYNCPPP 4
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/* Facility which currently uses an ISDN-channel */
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#define ISDN_USAGE_NONE 0
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#define ISDN_USAGE_RAW 1
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#define ISDN_USAGE_MODEM 2
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#define ISDN_USAGE_NET 3
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#define ISDN_USAGE_VOICE 4
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#define ISDN_USAGE_FAX 5
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#define ISDN_USAGE_MASK 7 /* Mask to get plain usage */
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#define ISDN_USAGE_EXCLUSIVE 64 /* This bit is set, if channel is exclusive */
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#define ISDN_USAGE_OUTGOING 128 /* This bit is set, if channel is outgoing */
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#define ISDN_MODEM_ANZREG 20 /* Number of Medem-Registers */
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#define ISDN_MSNLEN 20
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typedef struct {
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char drvid[25];
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unsigned long arg;
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} isdn_ioctl_struct;
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typedef struct {
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unsigned long isdndev;
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unsigned long atmodem[ISDN_MAX_CHANNELS];
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unsigned long info[ISDN_MAX_CHANNELS];
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} debugvar_addr;
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typedef struct {
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char name[10];
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char phone[20];
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int outgoing;
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} isdn_net_ioctl_phone;
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typedef struct {
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char name[10]; /* Name of interface */
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char master[10]; /* Name of Master for Bundling */
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char slave[10]; /* Name of Slave for Bundling */
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char eaz[256]; /* EAZ/MSN */
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char drvid[25]; /* DriverId for Bindings */
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int secure; /* Flag: Secure */
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int callback; /* Flag: Callback */
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int onhtime; /* Hangup-Timeout */
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int charge; /* Charge-Units */
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int chargehup; /* Flag: Charge-Hangup */
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int l2_proto; /* Layer-2 protocol */
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int l3_proto; /* Layer-3 protocol */
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int p_encap; /* Encapsulation */
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int ihup; /* Flag: Hangup-Timeout on incoming line */
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int exclusive; /* Channel, if bound exclusive */
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int slavedelay; /* Delay until slave starts up */
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} isdn_net_ioctl_cfg;
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#ifdef __KERNEL__
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#include <linux/config.h>
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#include <linux/errno.h>
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#include <linux/fs.h>
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#include <linux/major.h>
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#include <asm/segment.h>
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#include <asm/io.h>
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#include <linux/kernel.h>
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#include <linux/signal.h>
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#include <linux/malloc.h>
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#include <linux/mm.h>
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#include <linux/timer.h>
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#include <linux/wait.h>
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#include <linux/tty.h>
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#include <linux/tty_flip.h>
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#include <linux/serial_reg.h>
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#include <linux/fcntl.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/ip.h>
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#include <linux/in.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#include <linux/tcp.h>
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#ifdef CONFIG_ISDN_PPP
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#ifdef CONFIG_ISDN_PPP_VJ
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# include "/usr/src/linux/drivers/net/slhc.h"
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#endif
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#include <linux/ioctl.h>
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#include <linux/ppp_defs.h>
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#include <linux/if_ppp.h>
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#include <linux/if_pppvar.h>
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#include <linux/isdn_ppp.h>
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#endif
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#include <linux/isdnif.h>
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/* Until now unused */
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#define ISDN_SERVICE_VOICE 1
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#define ISDN_SERVICE_AB 1<<1
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#define ISDN_SERVICE_X21 1<<2
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#define ISDN_SERVICE_G4 1<<3
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#define ISDN_SERVICE_BTX 1<<4
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#define ISDN_SERVICE_DFUE 1<<5
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#define ISDN_SERVICE_X25 1<<6
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#define ISDN_SERVICE_TTX 1<<7
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#define ISDN_SERVICE_MIXED 1<<8
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#define ISDN_SERVICE_FW 1<<9
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#define ISDN_SERVICE_GTEL 1<<10
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#define ISDN_SERVICE_BTXN 1<<11
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#define ISDN_SERVICE_BTEL 1<<12
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/* Macros checking plain usage */
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#define USG_NONE(x) ((x & ISDN_USAGE_MASK)==ISDN_USAGE_NONE)
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#define USG_RAW(x) ((x & ISDN_USAGE_MASK)==ISDN_USAGE_RAW)
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#define USG_MODEM(x) ((x & ISDN_USAGE_MASK)==ISDN_USAGE_MODEM)
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#define USG_NET(x) ((x & ISDN_USAGE_MASK)==ISDN_USAGE_NET)
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#define USG_OUTGOING(x) ((x & ISDN_USAGE_OUTGOING)==ISDN_USAGE_OUTGOING)
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/* Timer-delays and scheduling-flags */
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#define ISDN_TIMER_RES 3 /* Main Timer-Resolution */
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#define ISDN_TIMER_02SEC (HZ/ISDN_TIMER_RES/5) /* Slow-Timer1 (0.2 sec.) */
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#define ISDN_TIMER_1SEC (HZ/ISDN_TIMER_RES) /* Slow-Timer2 (1 sec.) */
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#define ISDN_TIMER_MODEMREAD 1
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#define ISDN_TIMER_MODEMPLUS 2
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#define ISDN_TIMER_MODEMRING 4
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#define ISDN_TIMER_MODEMXMIT 8
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#define ISDN_TIMER_NETDIAL 16
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#define ISDN_TIMER_NETHANGUP 32
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#define ISDN_TIMER_IPPP 64
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#define ISDN_TIMER_FAST (ISDN_TIMER_MODEMREAD | ISDN_TIMER_MODEMPLUS | \
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ISDN_TIMER_MODEMXMIT)
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#define ISDN_TIMER_SLOW (ISDN_TIMER_MODEMRING | ISDN_TIMER_NETHANGUP | \
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ISDN_TIMER_NETDIAL)
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/* Timeout-Values for isdn_net_dial() */
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#define ISDN_TIMER_DTIMEOUT10 (10*HZ/(ISDN_TIMER_02SEC*ISDN_TIMER_RES))
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#define ISDN_TIMER_DTIMEOUT15 (15*HZ/(ISDN_TIMER_02SEC*ISDN_TIMER_RES))
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/* GLOBAL_FLAGS */
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#define ISDN_GLOBAL_STOPPED 1
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/*=================== Start of ip-over-ISDN stuff =========================*/
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/* Feature- and status-flags for a net-interface */
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#define ISDN_NET_CONNECTED 0x01 /* Bound to ISDN-Channel */
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#define ISDN_NET_SECURE 0x02 /* Accept calls from phonelist only */
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#define ISDN_NET_CALLBACK 0x04 /* callback incoming phonenumber */
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#define ISDN_NET_CLONE 0x08 /* clone a tmp interface when called */
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#define ISDN_NET_TMP 0x10 /* tmp interface until getting an IP */
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#define ISDN_NET_DYNAMIC 0x20 /* this link is dynamically allocted */
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#define ISDN_NET_MAGIC 0x49344C02 /* for paranoia-checking */
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/* Phone-list-element */
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typedef struct {
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void *next;
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char num[20];
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} isdn_net_phone;
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/* Local interface-data */
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typedef struct isdn_net_local_s {
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ulong magic;
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char name[10]; /* Name of device */
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struct enet_statistics stats; /* Ethernet Statistics */
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int isdn_device; /* Index to isdn-device */
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int isdn_channel; /* Index to isdn-channel */
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int ppp_minor; /* PPPD device minor number */
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int pre_device; /* Preselected isdn-device */
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int pre_channel; /* Preselected isdn-channel */
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int exclusive; /* If non-zero idx to reserved chan.*/
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int flags; /* Connection-flags */
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int dialstate; /* State for dialing */
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int dialretry; /* Counter for Dialout-retries */
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int dialmax; /* Max. Nuber of Dial-retries */
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char msn[ISDN_MSNLEN]; /* MSNs/EAZs for this interface */
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int dtimer; /* Timeout-counter for dialing */
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u_char p_encap; /* Packet encapsulation */
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/* 0 = Ethernet over ISDN */
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/* 1 = RAW-IP */
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/* 2 = IP with type field */
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u_char l2_proto; /* Layer-2-protocol */
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/* See ISDN_PROTO_L2..-constants in */
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/* isdnif.h */
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/* 0 = X75/LAPB with I-Frames */
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/* 1 = X75/LAPB with UI-Frames */
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/* 2 = X75/LAPB with BUI-Frames */
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/* 3 = HDLC */
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u_char l3_proto; /* Layer-3-protocol */
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/* See ISDN_PROTO_L3..-constants in */
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/* isdnif.h */
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/* 0 = Transparent */
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int huptimer; /* Timeout-counter for auto-hangup */
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int charge; /* Counter for charging units */
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int chargetime; /* Timer for Charging info */
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int hupflags; /* Flags for charge-unit-hangup: */
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/* bit0: chargeint is invalid */
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/* bit1: Getting charge-interval */
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/* bit2: Do charge-unit-hangup */
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int outgoing; /* Flag: outgoing call */
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int onhtime; /* Time to keep link up */
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int chargeint; /* Interval between charge-infos */
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int onum; /* Flag: at least 1 outgoing number */
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int cps; /* current speed of this interface */
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int transcount; /* byte-counter for cps-calculation */
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int sqfull; /* Flag: netdev-queue overloaded */
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ulong sqfull_stamp; /* Start-Time of overload */
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ulong slavedelay; /* Dynamic bundling delaytime */
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struct device *srobin; /* Ptr to Master device for slaves */
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isdn_net_phone *phone[2]; /* List of remote-phonenumbers */
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/* phone[0] = Incoming Numbers */
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/* phone[1] = Outgoing Numbers */
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isdn_net_phone *dial; /* Pointer to dialed number */
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struct device *master; /* Ptr to Master device for slaves */
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struct device *slave; /* Ptr to Slave device for masters */
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struct isdn_net_local_s *next; /* Ptr to next link in bundle */
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struct isdn_net_local_s *last; /* Ptr to last link in bundle */
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struct isdn_net_dev_s *netdev; /* Ptr to netdev */
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} isdn_net_local;
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#ifdef CONFIG_ISDN_PPP
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struct ippp_bundle {
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int mp_mrru; /* unused */
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struct mpqueue *last; /* currently defined in isdn_net_dev */
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int min; /* currently calculated 'on the fly' */
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long next_num; /* we wanna see this seq.-number next */
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struct sqqueue *sq;
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int modify:1; /* set to 1 while modifying sqqueue */
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};
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#endif
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/* the interface itself */
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typedef struct isdn_net_dev_s {
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isdn_net_local local;
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isdn_net_local *queue;
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void *next; /* Pointer to next isdn-interface */
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struct device dev; /* interface to upper levels */
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#ifdef CONFIG_ISDN_PPP
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struct mpqueue *mp_last;
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struct ippp_bundle ib;
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#endif
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} isdn_net_dev;
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/*===================== End of ip-over-ISDN stuff ===========================*/
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/*======================= Start of ISDN-tty stuff ===========================*/
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#define ISDN_ASYNC_MAGIC 0x49344C01 /* for paranoia-checking */
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#define ISDN_ASYNC_INITIALIZED 0x80000000 /* port was initialized */
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#define ISDN_ASYNC_CALLOUT_ACTIVE 0x40000000 /* Call out device active */
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#define ISDN_ASYNC_NORMAL_ACTIVE 0x20000000 /* Normal device active */
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#define ISDN_ASYNC_CLOSING 0x08000000 /* Serial port is closing */
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#define ISDN_ASYNC_CTS_FLOW 0x04000000 /* Do CTS flow control */
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#define ISDN_ASYNC_CHECK_CD 0x02000000 /* i.e., CLOCAL */
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#define ISDN_ASYNC_HUP_NOTIFY 0x0001 /* Notify tty on hangups/closes */
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#define ISDN_ASYNC_SESSION_LOCKOUT 0x0100 /* Lock cua opens on session */
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#define ISDN_ASYNC_PGRP_LOCKOUT 0x0200 /* Lock cua opens on pgrp */
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#define ISDN_ASYNC_CALLOUT_NOHUP 0x0400 /* No hangup for cui */
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#define ISDN_ASYNC_SPLIT_TERMIOS 0x0008 /* Sep. termios for dialin/out */
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#define ISDN_PORT_16550A 4 /* Type of faked Hardware */
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#define ISDN_SERIAL_XMIT_SIZE 4000 /* Maximum bufsize for write */
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#define ISDN_SERIAL_TYPE_NORMAL 1 /* tty-type */
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#define ISDN_SERIAL_TYPE_CALLOUT 2 /* cua-type */
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/* Private data (similar to async_struct in <linux/serial.h>) */
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typedef struct {
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int magic;
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int flags; /* defined in tty.h */
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int type; /* UART type */
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struct tty_struct *tty;
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int x_char; /* xon/xoff character */
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int close_delay;
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int MCR; /* Modem control register */
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int line;
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int count; /* # of fd on device */
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int blocked_open; /* # of blocked opens */
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long session; /* Session of opening process */
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long pgrp; /* pgrp of opening process */
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int isdn_driver; /* Index to isdn-driver */
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int isdn_channel; /* Index to isdn-channel */
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int drv_index; /* Index to dev->usage */
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#if FUTURE
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int send_outstanding;/* # of outstanding send-requests */
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#endif
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int xmit_size; /* max. # of chars in xmit_buf */
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int xmit_count; /* # of chars in xmit_buf */
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u_char *xmit_buf; /* transmit-buffer */
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struct termios normal_termios;
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struct termios callout_termios;
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struct wait_queue *open_wait;
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struct wait_queue *close_wait;
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} modem_info;
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#define ISDN_MODEM_WINSIZE 8
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/* Private data of AT-command-interpreter */
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typedef struct {
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u_char profile[ISDN_MODEM_ANZREG]; /* Modem-Regs. Profile 0 */
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u_char mdmreg[ISDN_MODEM_ANZREG]; /* Modem-Registers */
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char pmsn[ISDN_MSNLEN]; /* EAZ/MSNs Profile 0 */
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char msn[ISDN_MSNLEN];/* EAZ/MSN */
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int mdmcmdl; /* Length of Modem-Commandbuffer */
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int pluscount; /* Counter for +++ sequence */
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int lastplus; /* Timestamp of last + */
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char mdmcmd[255]; /* Modem-Commandbuffer */
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} atemu;
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/* Descripion of one ISDN-tty */
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typedef struct {
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int msr[ISDN_MAX_CHANNELS]; /* Modem-statusregister */
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int mlr[ISDN_MAX_CHANNELS]; /* Line-statusregister */
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int refcount; /* Number of opens */
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int online[ISDN_MAX_CHANNELS]; /* B-Channel is up */
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int dialing[ISDN_MAX_CHANNELS]; /* Dial in progress */
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int rcvsched[ISDN_MAX_CHANNELS]; /* Receive needs schedule */
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int ncarrier[ISDN_MAX_CHANNELS]; /* Output NO CARRIER */
|
||||
struct tty_driver tty_modem; /* tty-device */
|
||||
struct tty_driver cua_modem; /* cua-device */
|
||||
struct tty_struct *modem_table[ISDN_MAX_CHANNELS]; /* ?? copied from Orig */
|
||||
struct termios *modem_termios[ISDN_MAX_CHANNELS];
|
||||
struct termios *modem_termios_locked[ISDN_MAX_CHANNELS];
|
||||
atemu atmodem[ISDN_MAX_CHANNELS]; /* AT-Command-parser */
|
||||
modem_info info[ISDN_MAX_CHANNELS]; /* Private data */
|
||||
} modem;
|
||||
|
||||
/*======================= End of ISDN-tty stuff ============================*/
|
||||
|
||||
/*======================= Start of sync-ppp stuff ==========================*/
|
||||
|
||||
|
||||
#define NUM_RCV_BUFFS 64
|
||||
#define PPP_HARD_HDR_LEN 4
|
||||
|
||||
#define IPPP_OPEN 0x1
|
||||
#define IPPP_CONNECT 0x2
|
||||
#define IPPP_CLOSEWAIT 0x4
|
||||
#define IPPP_NOBLOCK 0x8
|
||||
|
||||
#ifdef CONFIG_ISDN_PPP
|
||||
|
||||
struct sqqueue {
|
||||
struct sqqueue *next;
|
||||
int sqno_start;
|
||||
int sqno_end;
|
||||
int freebuf;
|
||||
char *buf;
|
||||
int b;
|
||||
int pkt_len;
|
||||
long timer;
|
||||
};
|
||||
|
||||
struct mpqueue {
|
||||
struct mpqueue *next;
|
||||
struct mpqueue *last;
|
||||
int sqno;
|
||||
u_char *buf;
|
||||
int pktlen;
|
||||
int BEbyte;
|
||||
unsigned long time;
|
||||
};
|
||||
|
||||
struct ippp_buf_queue {
|
||||
struct ippp_buf_queue *next;
|
||||
struct ippp_buf_queue *last;
|
||||
char *buf; /* NULL here indicates end of queue */
|
||||
int len;
|
||||
};
|
||||
|
||||
struct ippp_struct {
|
||||
struct ippp_struct *next_link;
|
||||
int state;
|
||||
struct ippp_buf_queue rq[NUM_RCV_BUFFS]; /* packet queue for isdn_ppp_read() */
|
||||
struct ippp_buf_queue *first; /* pointer to (current) first packet */
|
||||
struct ippp_buf_queue *last; /* pointer to (current) last used packet in queue */
|
||||
struct wait_queue *wq;
|
||||
struct wait_queue *wq1;
|
||||
struct task_struct *tk;
|
||||
unsigned int mpppcfg;
|
||||
unsigned int pppcfg;
|
||||
unsigned int mru;
|
||||
unsigned int mpmru;
|
||||
unsigned int mpmtu;
|
||||
unsigned int maxcid;
|
||||
isdn_net_local *lp;
|
||||
int unit;
|
||||
long last_link_seqno;
|
||||
long mp_seqno;
|
||||
long range;
|
||||
#ifdef CONFIG_ISDN_PPP_VJ
|
||||
unsigned char *cbuf;
|
||||
struct slcompress *slcomp;
|
||||
#endif
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
/*======================== End of sync-ppp stuff ===========================*/
|
||||
|
||||
/*======================= Start of general stuff ===========================*/
|
||||
|
||||
/* Packet-queue-element */
|
||||
typedef struct pqueue {
|
||||
char *next; /* Pointer to next packet */
|
||||
short length; /* Packetlength */
|
||||
short size; /* Allocated size */
|
||||
u_char *rptr; /* Read-pointer for stream-reading */
|
||||
u_char buffer[1]; /* The data (will be alloc'd) */
|
||||
} pqueue;
|
||||
|
||||
typedef struct {
|
||||
char *next;
|
||||
char *private;
|
||||
} infostruct;
|
||||
|
||||
/* Description of hardware-level-driver */
|
||||
typedef struct {
|
||||
ulong flags; /* Flags */
|
||||
int channels; /* Number of channels */
|
||||
int reject_bus; /* Flag: Reject rejected call on bus*/
|
||||
struct wait_queue *st_waitq; /* Wait-Queue for status-read's */
|
||||
int maxbufsize; /* Maximum Buffersize supported */
|
||||
unsigned long pktcount; /* Until now: unused */
|
||||
int running; /* Flag: Protocolcode running */
|
||||
int loaded; /* Flag: Driver loaded */
|
||||
int stavail; /* Chars avail on Status-device */
|
||||
isdn_if *interface; /* Interface to driver */
|
||||
int *rcverr; /* Error-counters for B-Ch.-receive */
|
||||
int *rcvcount; /* Byte-counters for B-Ch.-receive */
|
||||
pqueue **rpqueue; /* Pointers to start of Rcv-Queue */
|
||||
struct wait_queue **rcv_waitq; /* Wait-Queues for B-Channel-Reads */
|
||||
struct wait_queue **snd_waitq; /* Wait-Queue for B-Channel-Send's */
|
||||
char msn2eaz[10][ISDN_MSNLEN]; /* Mapping-Table MSN->EAZ */
|
||||
} driver;
|
||||
|
||||
/* Main driver-data */
|
||||
typedef struct isdn_devt {
|
||||
unsigned short flags; /* Bitmapped Flags: */
|
||||
/* */
|
||||
int drivers; /* Current number of drivers */
|
||||
int channels; /* Current number of channels */
|
||||
int net_verbose; /* Verbose-Flag */
|
||||
int modempoll; /* Flag: tty-read active */
|
||||
int tflags; /* Timer-Flags: */
|
||||
/* see ISDN_TIMER_..defines */
|
||||
int global_flags;
|
||||
infostruct *infochain; /* List of open info-devs. */
|
||||
struct wait_queue *info_waitq; /* Wait-Queue for isdninfo */
|
||||
struct timer_list timer; /* Misc.-function Timer */
|
||||
int chanmap[ISDN_MAX_CHANNELS];/* Map minor->device-channel */
|
||||
int drvmap[ISDN_MAX_CHANNELS]; /* Map minor->driver-index */
|
||||
int usage[ISDN_MAX_CHANNELS]; /* Used by tty/ip/voice */
|
||||
char num[ISDN_MAX_CHANNELS][20];/* Remote number of active ch.*/
|
||||
int m_idx[ISDN_MAX_CHANNELS]; /* Index for mdm.... */
|
||||
driver *drv[ISDN_MAX_DRIVERS]; /* Array of drivers */
|
||||
isdn_net_dev *netdev; /* Linked list of net-if's */
|
||||
char drvid[ISDN_MAX_DRIVERS][20];/* Driver-ID */
|
||||
struct task_struct *profd; /* For iprofd */
|
||||
modem mdm; /* tty-driver-data */
|
||||
} isdn_dev;
|
||||
|
||||
extern isdn_dev *dev;
|
||||
|
||||
/* Utility-Macros */
|
||||
#define MIN(a,b) ((a<b)?a:b)
|
||||
#define MAX(a,b) ((a>b)?a:b)
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
#endif /* isdn_h */
|
||||
Loading…
Reference in New Issue