| /* $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/ioctl.h> | |
| #define ISDN_MAX_DRIVERS 32 | |
| #define ISDN_MAX_CHANNELS 64 | |
| /* 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_MAX_ENCAP ISDN_NET_ENCAP_X25IFACE | |
| /* 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/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> | |
| #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/if_ppp.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_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 */ | |
| #define ISDN_SERIAL_TYPE_NORMAL 1 | |
| #define ISDN_SERIAL_TYPE_CALLOUT 2 | |
| #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 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 */ | |
| long session; /* Session of opening process */ | |
| long pgrp; /* pgrp of opening process */ | |
| 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 */ | |
| 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 */ | |
| 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 | |
| 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 ktermios normal_termios; /* For saving termios structs */ | |
| struct ktermios callout_termios; | |
| wait_queue_head_t open_wait, close_wait; | |
| 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 /* __KERNEL__ */ | |
| #endif /* __ISDN_H__ */ |