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Diffstat (limited to 'include/linux/isdn.h')
| -rw-r--r-- | include/linux/isdn.h | 473 |
1 files changed, 0 insertions, 473 deletions
diff --git a/include/linux/isdn.h b/include/linux/isdn.h deleted file mode 100644 index df97c8444f5d..000000000000 --- a/include/linux/isdn.h +++ /dev/null @@ -1,473 +0,0 @@ -/* $Id: isdn.h,v 1.125.2.3 2004/02/10 01:07:14 keil Exp $ - * - * Main header for the Linux ISDN subsystem (linklevel). - * - * 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) - * - * 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/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> -#include <linux/mutex.h> -#include <uapi/linux/isdn.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_B 0 -#define ISDN_MINOR_BMAX (ISDN_MAX_CHANNELS-1) -#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/ppp-ioctl.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) ) - -/* Timer-delays and scheduling-flags */ -#define ISDN_TIMER_RES 4 /* Main Timer-Resolution */ -#define ISDN_TIMER_02SEC (HZ/ISDN_TIMER_RES/5) /* Slow-Timer1 .2 sec */ -#define ISDN_TIMER_1SEC (HZ/ISDN_TIMER_RES) /* Slow-Timer2 1 sec */ -#define ISDN_TIMER_RINGING 5 /* tty RINGs = ISDN_TIMER_1SEC * this factor */ -#define ISDN_TIMER_KEEPINT 10 /* Cisco-Keepalive = ISDN_TIMER_1SEC * this factor */ -#define ISDN_TIMER_MODEMREAD 1 -#define ISDN_TIMER_MODEMPLUS 2 -#define ISDN_TIMER_MODEMRING 4 -#define ISDN_TIMER_MODEMXMIT 8 -#define ISDN_TIMER_NETDIAL 16 -#define ISDN_TIMER_NETHANGUP 32 -#define ISDN_TIMER_CARRIER 256 /* Wait for Carrier */ -#define ISDN_TIMER_FAST (ISDN_TIMER_MODEMREAD | ISDN_TIMER_MODEMPLUS | \ - ISDN_TIMER_MODEMXMIT) -#define ISDN_TIMER_SLOW (ISDN_TIMER_MODEMRING | ISDN_TIMER_NETHANGUP | \ - ISDN_TIMER_NETDIAL | ISDN_TIMER_CARRIER) - -/* Timeout-Values for isdn_net_dial() */ -#define ISDN_TIMER_DTIMEOUT10 (10*HZ/(ISDN_TIMER_02SEC*(ISDN_TIMER_RES+1))) -#define ISDN_TIMER_DTIMEOUT15 (15*HZ/(ISDN_TIMER_02SEC*(ISDN_TIMER_RES+1))) -#define ISDN_TIMER_DTIMEOUT60 (60*HZ/(ISDN_TIMER_02SEC*(ISDN_TIMER_RES+1))) - -/* GLOBAL_FLAGS */ -#define ISDN_GLOBAL_STOPPED 1 - -/*=================== Start of ip-over-ISDN stuff =========================*/ - -/* Feature- and status-flags for a net-interface */ -#define ISDN_NET_CONNECTED 0x01 /* Bound to ISDN-Channel */ -#define ISDN_NET_SECURE 0x02 /* Accept calls from phonelist only */ -#define ISDN_NET_CALLBACK 0x04 /* activate callback */ -#define ISDN_NET_CBHUP 0x08 /* hangup before callback */ -#define ISDN_NET_CBOUT 0x10 /* remote machine does callback */ - -#define ISDN_NET_MAGIC 0x49344C02 /* for paranoia-checking */ - -/* Phone-list-element */ -typedef struct { - void *next; - char num[ISDN_MSNLEN]; -} isdn_net_phone; - -/* - Principles when extending structures for generic encapsulation protocol - ("concap") support: - - Stuff which is hardware specific (here i4l-specific) goes in - the netdev -> local structure (here: isdn_net_local) - - Stuff which is encapsulation protocol specific goes in the structure - which holds the linux device structure (here: isdn_net_device) -*/ - -/* Local interface-data */ -typedef struct isdn_net_local_s { - ulong magic; - struct net_device_stats stats; /* Ethernet Statistics */ - int isdn_device; /* Index to isdn-device */ - int isdn_channel; /* Index to isdn-channel */ - int ppp_slot; /* PPPD device slot number */ - int pre_device; /* Preselected isdn-device */ - int pre_channel; /* Preselected isdn-channel */ - int exclusive; /* If non-zero idx to reserved chan.*/ - int flags; /* Connection-flags */ - int dialretry; /* Counter for Dialout-retries */ - int dialmax; /* Max. Number of Dial-retries */ - int cbdelay; /* Delay before Callback starts */ - int dtimer; /* Timeout-counter for dialing */ - char msn[ISDN_MSNLEN]; /* MSNs/EAZs for this interface */ - u_char cbhup; /* Flag: Reject Call before Callback*/ - u_char dialstate; /* State for dialing */ - u_char p_encap; /* Packet encapsulation */ - /* 0 = Ethernet over ISDN */ - /* 1 = RAW-IP */ - /* 2 = IP with type field */ - u_char l2_proto; /* Layer-2-protocol */ - /* See ISDN_PROTO_L2..-constants in */ - /* isdnif.h */ - /* 0 = X75/LAPB with I-Frames */ - /* 1 = X75/LAPB with UI-Frames */ - /* 2 = X75/LAPB with BUI-Frames */ - /* 3 = HDLC */ - u_char l3_proto; /* Layer-3-protocol */ - /* See ISDN_PROTO_L3..-constants in */ - /* isdnif.h */ - /* 0 = Transparent */ - int huptimer; /* Timeout-counter for auto-hangup */ - int charge; /* Counter for charging units */ - ulong chargetime; /* Timer for Charging info */ - int hupflags; /* Flags for charge-unit-hangup: */ - /* bit0: chargeint is invalid */ - /* bit1: Getting charge-interval */ - /* bit2: Do charge-unit-hangup */ - /* bit3: Do hangup even on incoming */ - int outgoing; /* Flag: outgoing call */ - int onhtime; /* Time to keep link up */ - int chargeint; /* Interval between charge-infos */ - int onum; /* Flag: at least 1 outgoing number */ - int cps; /* current speed of this interface */ - int transcount; /* byte-counter for cps-calculation */ - int sqfull; /* Flag: netdev-queue overloaded */ - ulong sqfull_stamp; /* Start-Time of overload */ - ulong slavedelay; /* Dynamic bundling delaytime */ - int triggercps; /* BogoCPS needed for trigger slave */ - isdn_net_phone *phone[2]; /* List of remote-phonenumbers */ - /* phone[0] = Incoming Numbers */ - /* phone[1] = Outgoing Numbers */ - isdn_net_phone *dial; /* Pointer to dialed number */ - struct net_device *master; /* Ptr to Master device for slaves */ - struct net_device *slave; /* Ptr to Slave device for masters */ - struct isdn_net_local_s *next; /* Ptr to next link in bundle */ - struct isdn_net_local_s *last; /* Ptr to last link in bundle */ - struct isdn_net_dev_s *netdev; /* Ptr to netdev */ - struct sk_buff_head super_tx_queue; /* List of supervisory frames to */ - /* be transmitted asap */ - atomic_t frame_cnt; /* number of frames currently */ - /* queued in HL driver */ - /* Ptr to orig. hard_header_cache */ - spinlock_t xmit_lock; /* used to protect the xmit path of */ - /* a particular channel (including */ - /* the frame_cnt */ - - int pppbind; /* ippp device for bindings */ - int dialtimeout; /* How long shall we try on dialing? (jiffies) */ - int dialwait; /* How long shall we wait after failed attempt? (jiffies) */ - ulong dialstarted; /* jiffies of first dialing-attempt */ - ulong dialwait_timer; /* jiffies of earliest next dialing-attempt */ - int huptimeout; /* How long will the connection be up? (seconds) */ -#ifdef CONFIG_ISDN_X25 - struct concap_device_ops *dops; /* callbacks used by encapsulator */ -#endif - /* use an own struct for that in later versions */ - ulong cisco_myseq; /* Local keepalive seq. for Cisco */ - ulong cisco_mineseen; /* returned keepalive seq. from remote */ - ulong cisco_yourseq; /* Remote keepalive seq. for Cisco */ - int cisco_keepalive_period; /* keepalive period */ - ulong cisco_last_slarp_in; /* jiffie of last keepalive packet we received */ - char cisco_line_state; /* state of line according to keepalive packets */ - char cisco_debserint; /* debugging flag of cisco hdlc with slarp */ - struct timer_list cisco_timer; - struct work_struct tqueue; -} isdn_net_local; - -/* the interface itself */ -typedef struct isdn_net_dev_s { - isdn_net_local *local; - isdn_net_local *queue; /* circular list of all bundled - channels, which are currently - online */ - spinlock_t queue_lock; /* lock to protect queue */ - void *next; /* Pointer to next isdn-interface */ - struct net_device *dev; /* interface to upper levels */ -#ifdef CONFIG_ISDN_PPP - ippp_bundle * pb; /* pointer to the common bundle structure - * with the per-bundle data */ -#endif -#ifdef CONFIG_ISDN_X25 - struct concap_proto *cprot; /* connection oriented encapsulation protocol */ -#endif - -} isdn_net_dev; - -/*===================== End of ip-over-ISDN stuff ===========================*/ - -/*======================= Start of ISDN-tty stuff ===========================*/ - -#define ISDN_ASYNC_MAGIC 0x49344C01 /* for paranoia-checking */ -#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 the private skb->cb data array. A few macros help - * accessing the variables. - */ -typedef struct _isdn_audio_data { - unsigned short dle_count; - unsigned char lock; -} isdn_audio_data_t; - -#define ISDN_AUDIO_SKB_DLECOUNT(skb) (((isdn_audio_data_t *)&skb->cb[0])->dle_count) -#define ISDN_AUDIO_SKB_LOCK(skb) (((isdn_audio_data_t *)&skb->cb[0])->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 */ - u_long lastplus; /* Timestamp of last + */ - int carrierwait; /* Seconds of carrier waiting */ - 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 tty_port port; - int x_char; /* xon/xoff character */ - int mcr; /* Modem control register */ - int msr; /* Modem status register */ - int lsr; /* Line status register */ - int line; - int online; /* 1 = B-Channel is up, drop data */ - /* 2 = B-Channel is up, deliver d.*/ - int dialing; /* Dial in progress or ATA */ - int closing; - int rcvsched; /* Receive needs schedule */ - int isdn_driver; /* Index to isdn-driver */ - int isdn_channel; /* Index to isdn-channel */ - int drv_index; /* Index to dev->usage */ - 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 */ - struct sk_buff_head xmit_queue; /* transmit queue */ - atomic_t xmit_lock; /* Semaphore for isdn_tty_write */ -#ifdef CONFIG_ISDN_AUDIO - 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 - atemu emu; /* AT-emulator data */ - spinlock_t readlock; -} modem_info; - -#define ISDN_MODEM_WINSIZE 8 - -/* Description of one ISDN-tty */ -typedef struct _isdn_modem { - int refcount; /* Number of opens */ - struct tty_driver *tty_modem; /* tty-device */ - struct tty_struct *modem_table[ISDN_MAX_CHANNELS]; /* ?? copied from Orig */ - struct ktermios *modem_termios[ISDN_MAX_CHANNELS]; - struct ktermios *modem_termios_locked[ISDN_MAX_CHANNELS]; - modem_info info[ISDN_MAX_CHANNELS]; /* Private data */ -} isdn_modem_t; - -/*======================= 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; - -#define DRV_FLAG_RUNNING 1 -#define DRV_FLAG_REJBUS 2 -#define DRV_FLAG_LOADED 4 - -/* Description of hardware-level-driver */ -typedef struct _isdn_driver { - ulong online; /* Channel-Online flags */ - ulong flags; /* Misc driver Flags */ - int locks; /* Number of locks for this driver */ - int channels; /* Number of channels */ - wait_queue_head_t st_waitq; /* Wait-Queue for status-read's */ - int maxbufsize; /* Maximum Buffersize supported */ - unsigned long pktcount; /* Until now: unused */ - 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 */ -#ifdef CONFIG_ISDN_AUDIO - unsigned long DLEflag; /* Flags: Insert DLE at next read */ -#endif - struct sk_buff_head *rpqueue; /* Pointers to start of Rcv-Queue */ - wait_queue_head_t *rcv_waitq; /* Wait-Queues for B-Channel-Reads */ - wait_queue_head_t *snd_waitq; /* Wait-Queue for B-Channel-Send's */ - char msn2eaz[10][ISDN_MSNLEN]; /* Mapping-Table MSN->EAZ */ -} isdn_driver_t; - -/* Main driver-data */ -typedef struct isdn_devt { - struct module *owner; - spinlock_t lock; - 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 */ - spinlock_t timerlock; - 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 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][ISDN_MSNLEN]; - /* Remote number of active ch.*/ - int m_idx[ISDN_MAX_CHANNELS]; /* Index for mdm.... */ - isdn_driver_t *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 */ - isdn_modem_t mdm; /* tty-driver-data */ - isdn_net_dev *rx_netdev[ISDN_MAX_CHANNELS]; /* rx netdev-pointers */ - isdn_net_dev *st_netdev[ISDN_MAX_CHANNELS]; /* stat netdev-pointers */ - ulong ibytes[ISDN_MAX_CHANNELS]; /* Statistics incoming bytes */ - ulong obytes[ISDN_MAX_CHANNELS]; /* Statistics outgoing bytes */ - int v110emu[ISDN_MAX_CHANNELS]; /* V.110 emulator-mode 0=none */ - atomic_t v110use[ISDN_MAX_CHANNELS]; /* Usage-Semaphore for stream */ - isdn_v110_stream *v110[ISDN_MAX_CHANNELS]; /* V.110 private data */ - struct mutex mtx; /* serialize list access*/ - unsigned long global_features; -} isdn_dev; - -extern isdn_dev *dev; - - -#endif /* __ISDN_H__ */ |