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/* Linux ISDN subsystem, main header
*
* Copyright 1994,95,96 by Fritz Elfert (fritz@isdn4linux.de)
* Copyright 1995,96 by Thinking Objects Software GmbH Wuerzburg
* Copyright 1995,96 by Michael Hipp (Michael.Hipp@student.uni-tuebingen.de)
* Copyright 2000-2002 by Kai Germaschewski (kai@germaschewski.name)
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
#ifndef __ISDN_H__
#define __ISDN_H__
#include <linux/ioctl.h>
#include <linux/isdn/fsm.h>
#ifdef CONFIG_COBALT_MICRO_SERVER
/* Save memory */
#define ISDN_MAX_DRIVERS 2
#define ISDN_MAX_CHANNELS 8
#else
#define ISDN_MAX_DRIVERS 32
#define ISDN_MAX_CHANNELS 64
#endif
/* New ioctl-codes */
#define IIOCNETAIF _IO('I',1)
#define IIOCNETDIF _IO('I',2)
#define IIOCNETSCF _IO('I',3)
#define IIOCNETGCF _IO('I',4)
#define IIOCNETANM _IO('I',5)
#define IIOCNETDNM _IO('I',6)
#define IIOCNETGNM _IO('I',7)
#define IIOCGETSET _IO('I',8) /* no longer supported */
#define IIOCSETSET _IO('I',9) /* no longer supported */
#define IIOCSETVER _IO('I',10)
#define IIOCNETHUP _IO('I',11)
#define IIOCSETGST _IO('I',12)
#define IIOCSETBRJ _IO('I',13)
#define IIOCSIGPRF _IO('I',14)
#define IIOCGETPRF _IO('I',15)
#define IIOCSETPRF _IO('I',16)
#define IIOCGETMAP _IO('I',17)
#define IIOCSETMAP _IO('I',18)
#define IIOCNETASL _IO('I',19)
#define IIOCNETDIL _IO('I',20)
#define IIOCGETCPS _IO('I',21)
#define IIOCGETDVR _IO('I',22)
#define IIOCNETLCR _IO('I',23) /* dwabc ioctl for LCR from isdnlog */
#define IIOCNETDWRSET _IO('I',24) /* dwabc ioctl to reset abc-values to default on a net-interface */
#define IIOCNETALN _IO('I',32)
#define IIOCNETDLN _IO('I',33)
#define IIOCNETGPN _IO('I',34)
#define IIOCDBGVAR _IO('I',127)
#define IIOCDRVCTL _IO('I',128)
/* cisco hdlck device private ioctls */
#define SIOCGKEEPPERIOD (SIOCDEVPRIVATE + 0)
#define SIOCSKEEPPERIOD (SIOCDEVPRIVATE + 1)
#define SIOCGDEBSERINT (SIOCDEVPRIVATE + 2)
#define SIOCSDEBSERINT (SIOCDEVPRIVATE + 3)
/* Packet encapsulations for net-interfaces */
#define ISDN_NET_ENCAP_ETHER 0
#define ISDN_NET_ENCAP_RAWIP 1
#define ISDN_NET_ENCAP_IPTYP 2
#define ISDN_NET_ENCAP_CISCOHDLC 3 /* Without SLARP and keepalive */
#define ISDN_NET_ENCAP_SYNCPPP 4
#define ISDN_NET_ENCAP_UIHDLC 5
#define ISDN_NET_ENCAP_CISCOHDLCK 6 /* With SLARP and keepalive */
#define ISDN_NET_ENCAP_X25IFACE 7 /* Documentation/networking/x25-iface.txt*/
#define ISDN_NET_ENCAP_NR 8
/* Facility which currently uses an ISDN-channel */
#define ISDN_USAGE_NONE 0
#define ISDN_USAGE_RAW 1
#define ISDN_USAGE_MODEM 2
#define ISDN_USAGE_NET 3
#define ISDN_USAGE_VOICE 4
#define ISDN_USAGE_FAX 5
#define ISDN_USAGE_MASK 7 /* Mask to get plain usage */
#define ISDN_USAGE_DISABLED 32 /* This bit is set, if channel is disabled */
#define ISDN_USAGE_EXCLUSIVE 64 /* This bit is set, if channel is exclusive */
#define ISDN_USAGE_OUTGOING 128 /* This bit is set, if channel is outgoing */
#define ISDN_MODEM_NUMREG 24 /* Number of Modem-Registers */
#define ISDN_LMSNLEN 255 /* Length of tty's Listen-MSN string */
#define ISDN_CMSGLEN 50 /* Length of CONNECT-Message to add for Modem */
#define ISDN_MSNLEN 32
#define NET_DV 0x06 /* Data version for isdn_net_ioctl_cfg */
#define TTY_DV 0x06 /* Data version for iprofd etc. */
#define INF_DV 0x01 /* Data version for /dev/isdninfo */
typedef struct {
char drvid[25];
unsigned long arg;
} isdn_ioctl_struct;
typedef struct {
char name[10];
char phone[ISDN_MSNLEN];
int outgoing;
} isdn_net_ioctl_phone;
typedef struct {
char name[10]; /* Name of interface */
char master[10]; /* Name of Master for Bundling */
char slave[10]; /* Name of Slave for Bundling */
char eaz[256]; /* EAZ/MSN */
char drvid[25]; /* DriverId for Bindings */
int onhtime; /* Hangup-Timeout */
int charge; /* Charge-Units */
int l2_proto; /* Layer-2 protocol */
int l3_proto; /* Layer-3 protocol */
int p_encap; /* Encapsulation */
int exclusive; /* Channel, if bound exclusive */
int dialmax; /* Dial Retry-Counter */
int slavedelay; /* Delay until slave starts up */
int cbdelay; /* Delay before Callback */
int chargehup; /* Flag: Charge-Hangup */
int ihup; /* Flag: Hangup-Timeout on incoming line */
int secure; /* Flag: Secure */
int callback; /* Flag: Callback */
int cbhup; /* Flag: Reject Call before Callback */
int pppbind; /* ippp device for bindings */
int chargeint; /* Use fixed charge interval length */
int triggercps; /* BogoCPS needed for triggering slave */
int dialtimeout; /* Dial-Timeout */
int dialwait; /* Time to wait after failed dial */
int dialmode; /* Flag: off / on / auto */
} isdn_net_ioctl_cfg;
#define ISDN_NET_DIALMODE_MASK 0xC0 /* bits for status */
#define ISDN_NET_DM_OFF 0x00 /* this interface is stopped */
#define ISDN_NET_DM_MANUAL 0x40 /* this interface is on (manual) */
#define ISDN_NET_DM_AUTO 0x80 /* this interface is autodial */
#define ISDN_NET_DIALMODE(x) ((&(x))->flags & ISDN_NET_DIALMODE_MASK)
#ifdef __KERNEL__
#include <linux/config.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/major.h>
#include <asm/io.h>
#include <linux/kernel.h>
#include <linux/signal.h>
#include <linux/slab.h>
#include <linux/timer.h>
#include <linux/wait.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/serial_reg.h>
#include <linux/fcntl.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/ip.h>
#include <linux/in.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/tcp.h>
#define ISDN_TTY_MAJOR 43
#define ISDN_TTYAUX_MAJOR 44
#define ISDN_MAJOR 45
/* The minor-devicenumbers for Channel 0 and 1 are used as arguments for
* physical Channel-Mapping, so they MUST NOT be changed without changing
* the correspondent code in isdn.c
*/
#define ISDN_MINOR_CTRL 64
#define ISDN_MINOR_CTRLMAX (64 + (ISDN_MAX_CHANNELS-1))
#define ISDN_MINOR_PPP 128
#define ISDN_MINOR_PPPMAX (128 + (ISDN_MAX_CHANNELS-1))
#define ISDN_MINOR_STATUS 255
#ifdef CONFIG_ISDN_PPP
#ifdef CONFIG_ISDN_PPP_VJ
# include <net/slhc_vj.h>
#endif
#include <linux/ppp_defs.h>
#include <linux/if_ppp.h>
#include <linux/if_pppvar.h>
#include <linux/isdn_ppp.h>
#endif
#ifdef CONFIG_ISDN_X25
# include <linux/concap.h>
#endif
#include <linux/isdnif.h>
#define ISDN_DRVIOCTL_MASK 0x7f /* Mask for Device-ioctl */
/* Until now unused */
#define ISDN_SERVICE_VOICE 1
#define ISDN_SERVICE_AB 1<<1
#define ISDN_SERVICE_X21 1<<2
#define ISDN_SERVICE_G4 1<<3
#define ISDN_SERVICE_BTX 1<<4
#define ISDN_SERVICE_DFUE 1<<5
#define ISDN_SERVICE_X25 1<<6
#define ISDN_SERVICE_TTX 1<<7
#define ISDN_SERVICE_MIXED 1<<8
#define ISDN_SERVICE_FW 1<<9
#define ISDN_SERVICE_GTEL 1<<10
#define ISDN_SERVICE_BTXN 1<<11
#define ISDN_SERVICE_BTEL 1<<12
/* Macros checking plain usage */
#define USG_NONE(x) ((x & ISDN_USAGE_MASK)==ISDN_USAGE_NONE)
#define USG_RAW(x) ((x & ISDN_USAGE_MASK)==ISDN_USAGE_RAW)
#define USG_MODEM(x) ((x & ISDN_USAGE_MASK)==ISDN_USAGE_MODEM)
#define USG_VOICE(x) ((x & ISDN_USAGE_MASK)==ISDN_USAGE_VOICE)
#define USG_NET(x) ((x & ISDN_USAGE_MASK)==ISDN_USAGE_NET)
#define USG_FAX(x) ((x & ISDN_USAGE_MASK)==ISDN_USAGE_FAX)
#define USG_OUTGOING(x) ((x & ISDN_USAGE_OUTGOING)==ISDN_USAGE_OUTGOING)
#define USG_MODEMORVOICE(x) (((x & ISDN_USAGE_MASK)==ISDN_USAGE_MODEM) || \
((x & ISDN_USAGE_MASK)==ISDN_USAGE_VOICE) )
/* GLOBAL_FLAGS */
#define ISDN_GLOBAL_STOPPED 1
/*======================= Start of ISDN-tty stuff ===========================*/
#define ISDN_ASYNC_MAGIC 0x49344C01 /* for paranoia-checking */
#define ISDN_ASYNC_INITIALIZED 0x80000000 /* port was initialized */
#define ISDN_ASYNC_CALLOUT_ACTIVE 0x40000000 /* Call out device active */
#define ISDN_ASYNC_NORMAL_ACTIVE 0x20000000 /* Normal device active */
#define ISDN_ASYNC_CLOSING 0x08000000 /* Serial port is closing */
#define ISDN_ASYNC_CTS_FLOW 0x04000000 /* Do CTS flow control */
#define ISDN_ASYNC_CHECK_CD 0x02000000 /* i.e., CLOCAL */
#define ISDN_ASYNC_HUP_NOTIFY 0x0001 /* Notify tty on hangups/closes */
#define ISDN_ASYNC_SESSION_LOCKOUT 0x0100 /* Lock cua opens on session */
#define ISDN_ASYNC_PGRP_LOCKOUT 0x0200 /* Lock cua opens on pgrp */
#define ISDN_ASYNC_CALLOUT_NOHUP 0x0400 /* No hangup for cui */
#define ISDN_ASYNC_SPLIT_TERMIOS 0x0008 /* Sep. termios for dialin/out */
#define ISDN_SERIAL_XMIT_SIZE 1024 /* Default bufsize for write */
#define ISDN_SERIAL_XMIT_MAX 4000 /* Maximum bufsize for write */
#ifdef CONFIG_ISDN_AUDIO
/* For using sk_buffs with audio we need some private variables
* within each sk_buff. For this purpose, we declare a struct here,
* and put it always at skb->head. A few macros help accessing the
* variables. Of course, we need to check skb_headroom prior to
* any access.
*/
typedef struct _isdnaudio_header {
unsigned short dle_count;
unsigned char lock;
} isdnaudio_header;
#define ISDN_AUDIO_SKB_DLECOUNT(skb) (((isdnaudio_header*)skb->head)->dle_count)
#define ISDN_AUDIO_SKB_LOCK(skb) (((isdnaudio_header*)skb->head)->lock)
#endif
/* Private data of AT-command-interpreter */
typedef struct atemu {
u_char profile[ISDN_MODEM_NUMREG]; /* Modem-Regs. Profile 0 */
u_char mdmreg[ISDN_MODEM_NUMREG]; /* Modem-Registers */
char pmsn[ISDN_MSNLEN]; /* EAZ/MSNs Profile 0 */
char msn[ISDN_MSNLEN]; /* EAZ/MSN */
char plmsn[ISDN_LMSNLEN]; /* Listening MSNs Profile 0 */
char lmsn[ISDN_LMSNLEN]; /* Listening MSNs */
char cpn[ISDN_MSNLEN]; /* CalledPartyNumber on incoming call */
char connmsg[ISDN_CMSGLEN]; /* CONNECT-Msg from HL-Driver */
#ifdef CONFIG_ISDN_AUDIO
u_char vpar[10]; /* Voice-parameters */
int lastDLE; /* Flag for voice-coding: DLE seen */
#endif
int mdmcmdl; /* Length of Modem-Commandbuffer */
int pluscount; /* Counter for +++ sequence */
unsigned long lastplus; /* Timestamp of last + */
char mdmcmd[255]; /* Modem-Commandbuffer */
unsigned int charge; /* Charge units of current connection */
} atemu;
/* Private data (similar to async_struct in <linux/serial.h>) */
typedef struct modem_info {
int magic;
struct module *owner;
int flags; /* defined in tty.h */
int x_char; /* xon/xoff character */
int mcr; /* Modem control register */
int msr; /* Modem status register */
int lsr; /* Line status register */
int line;
int count; /* # of fd on device */
int blocked_open; /* # of blocked opens */
int online; /* 1 = B-Channel is up, drop data */
/* 2 = B-Channel is up, deliver d.*/
int dialing; /* Dial in progress or ATA */
int rcvsched; /* Receive needs schedule */
struct isdn_slot *isdn_slot; /* Ptr to isdn-driver/channel */
struct sk_buff_head rpqueue; /* Queue of recv'd packets */
int rcvcount; /* Byte-counters for B rx */
int ncarrier; /* Flag: schedule NO CARRIER */
unsigned char last_cause[8]; /* Last cause message */
unsigned char last_num[ISDN_MSNLEN];
/* Last phone-number */
unsigned char last_l2; /* Last layer-2 protocol */
unsigned char last_si; /* Last service */
unsigned char last_lhup; /* Last hangup local? */
unsigned char last_dir; /* Last direction (in or out) */
struct timer_list nc_timer; /* Timer for delayed NO CARRIER */
int send_outstanding;/* # of outstanding send-requests */
int xmit_size; /* max. # of chars in xmit_buf */
int xmit_count; /* # of chars in xmit_buf */
unsigned char *xmit_buf; /* transmit buffer */
struct sk_buff_head xmit_queue; /* transmit queue */
atomic_t xmit_lock; /* Semaphore for isdn_tty_write */
#ifdef CONFIG_ISDN_AUDIO
unsigned long DLEflag; /* Insert DLE at next read */
int vonline; /* Voice-channel status */
/* Bit 0 = recording */
/* Bit 1 = playback */
/* Bit 2 = playback, DLE-ETX seen */
struct sk_buff_head dtmf_queue; /* queue for dtmf results */
void *adpcms; /* state for adpcm decompression */
void *adpcmr; /* state for adpcm compression */
void *dtmf_state; /* state for dtmf decoder */
void *silence_state; /* state for silence detection */
#endif
#ifdef CONFIG_ISDN_TTY_FAX
struct T30_s *fax; /* T30 Fax Group 3 data/interface */
int faxonline; /* Fax-channel status */
#endif
struct tty_struct *tty; /* Pointer to corresponding tty */
atemu emu; /* AT-emulator data */
struct timer_list escape_timer; /* to recognize +++ escape */
struct timer_list ring_timer; /* for writing 'RING' responses */
struct timer_list connect_timer; /* waiting for CONNECT */
struct timer_list read_timer; /* read incoming data */
wait_queue_head_t open_wait, close_wait;
struct semaphore write_sem;
} modem_info;
#define ISDN_MODEM_WINSIZE 8
/*======================= End of ISDN-tty stuff ============================*/
/*======================== Start of V.110 stuff ============================*/
#define V110_BUFSIZE 1024
typedef struct {
int nbytes; /* 1 Matrixbyte -> nbytes in stream */
int nbits; /* Number of used bits in streambyte */
unsigned char key; /* Bitmask in stream eg. 11 (nbits=2) */
int decodelen; /* Amount of data in decodebuf */
int SyncInit; /* Number of sync frames to send */
unsigned char *OnlineFrame; /* Precalculated V110 idle frame */
unsigned char *OfflineFrame; /* Precalculated V110 sync Frame */
int framelen; /* Length of frames */
int skbuser; /* Number of unacked userdata skbs */
int skbidle; /* Number of unacked idle/sync skbs */
int introducer; /* Local vars for decoder */
int dbit;
unsigned char b;
int skbres; /* space to reserve in outgoing skb */
int maxsize; /* maxbufsize of lowlevel driver */
unsigned char *encodebuf; /* temporary buffer for encoding */
unsigned char decodebuf[V110_BUFSIZE]; /* incomplete V110 matrices */
} isdn_v110_stream;
/*========================= End of V.110 stuff =============================*/
/*======================= Start of general stuff ===========================*/
typedef struct {
char *next;
char *private;
} infostruct;
/* Main driver-data */
typedef struct _isdn_dev_t {
unsigned short flags; /* Bitmapped Flags: */
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. */
wait_queue_head_t info_waitq; /* Wait-Queue for isdninfo */
struct task_struct *profd; /* For iprofd */
struct semaphore sem; /* serialize list access*/
unsigned long global_features;
} isdn_dev_t;
extern isdn_dev_t *get_isdn_dev(void);
#endif /* __KERNEL__ */
#endif /* __ISDN_H__ */
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