diff options
Diffstat (limited to 'pfinet/linux-src/include/linux/isdn.h')
| -rw-r--r-- | pfinet/linux-src/include/linux/isdn.h | 901 |
1 files changed, 901 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/isdn.h b/pfinet/linux-src/include/linux/isdn.h new file mode 100644 index 00000000..853f236f --- /dev/null +++ b/pfinet/linux-src/include/linux/isdn.h @@ -0,0 +1,901 @@ +/* $Id: isdn.h,v 1.70 1999/07/31 12:59:58 armin Exp $ + * + * Main header for the Linux ISDN subsystem (linklevel). + * + * Copyright 1994,95,96 by Fritz Elfert (fritz@wuemaus.franken.de) + * Copyright 1995,96 by Thinking Objects Software GmbH Wuerzburg + * Copyright 1995,96 by Michael Hipp (Michael.Hipp@student.uni-tuebingen.de) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * $Log: isdn.h,v $ + * Revision 1.70 1999/07/31 12:59:58 armin + * Added tty fax capabilities. + * + * Revision 1.69 1999/07/13 20:47:53 werner + * added channel bit ISDN_USAGE_DISABLED for limiting b-channel access. + * + * Revision 1.68 1999/07/11 17:07:37 armin + * Added tty modem register S23. + * Added new layer 2 and 3 protocols for Fax and DSP functions. + * + * Revision 1.67 1999/07/07 10:17:24 detabc + * remove unused messages + * + * Revision 1.66 1999/07/01 08:35:37 keil + * compatibility to 2.3 + * + * Revision 1.65 1999/06/10 11:51:27 paul + * fixed comment for NET_DV + * + * Revision 1.64 1999/04/18 14:57:14 fritz + * Removed TIMRU stuff + * + * Revision 1.63 1999/04/18 14:07:18 fritz + * Removed TIMRU stuff. + * + * Revision 1.62 1999/04/12 13:16:54 fritz + * Changes from 2.0 tree. + * + * Revision 1.61 1999/03/02 11:43:21 armin + * Added variable to store connect-message of Modem. + * Added Timer-define for RegS7 (Wait for Carrier). + * + * Revision 1.60 1998/10/25 14:50:29 fritz + * Backported from MIPS (Cobalt). + * + * Revision 1.59 1998/10/23 10:18:55 paul + * Implementation of "dialmode" (successor of "status") + * You also need current isdnctrl for this! + * + * Revision 1.58 1998/10/23 10:10:06 fritz + * Test-Checkin + * + * Revision 1.57 1998/08/31 21:10:01 he + * new ioctl IIOCNETGPN for /dev/isdninfo (get network interface' + * peer phone number) + * + * Revision 1.56 1998/07/26 18:46:52 armin + * Added silence detection in voice receive mode. + * + * Revision 1.55 1998/06/26 15:13:17 fritz + * Added handling of STAT_ICALL with incomplete CPN. + * Added AT&L for ttyI emulator. + * Added more locking stuff in tty_write. + * + * Revision 1.54 1998/06/18 23:32:01 fritz + * Replaced cli()/restore_flags() in isdn_tty_write() by locking. + * Removed direct-senddown feature in isdn_tty_write because it will + * never succeed with locking and is useless anyway. + * + * Revision 1.53 1998/06/17 19:51:51 he + * merged with 2.1.10[34] (cosmetics and udelay() -> mdelay()) + * brute force fix to avoid Ugh's in isdn_tty_write() + * cleaned up some dead code + * + * Revision 1.46 1998/04/14 16:28:59 he + * Fixed user space access with interrupts off and remaining + * copy_{to,from}_user() -> -EFAULT return codes + * + * Revision 1.45 1998/03/24 16:33:12 hipp + * More CCP changes. BSD compression now "works" on a local loopback link. + * Moved some isdn_ppp stuff from isdn.h to isdn_ppp.h + * + * Revision 1.44 1998/03/22 18:50:56 hipp + * Added BSD Compression for syncPPP .. UNTESTED at the moment + * + * Revision 1.43 1998/03/09 17:46:44 he + * merged in 2.1.89 changes + * + * + * Revision 1.40 1998/03/08 01:08:29 fritz + * Increased NET_DV because of TIMRU + * + * Revision 1.39 1998/03/07 22:42:49 fritz + * Starting generic module support (Nothing usable yet). + * + * Revision 1.38 1998/03/07 18:21:29 cal + * Dynamic Timeout-Rule-Handling vs. 971110 included + * + * Revision 1.37 1998/02/22 19:45:24 fritz + * Some changes regarding V.110 + * + * Revision 1.36 1998/02/20 17:35:55 fritz + * Added V.110 stuff. + * + * Revision 1.35 1998/01/31 22:14:14 keil + * changes for 2.1.82 + * + * Revision 1.34 1997/10/09 21:28:11 fritz + * New HL<->LL interface: + * New BSENT callback with nr. of bytes included. + * Sending without ACK. + * New L1 error status (not yet in use). + * Cleaned up obsolete structures. + * Implemented Cisco-SLARP. + * Changed local net-interface data to be dynamically allocated. + * Removed old 2.0 compatibility stuff. + * + * Revision 1.33 1997/08/21 14:44:22 fritz + * Moved triggercps to end of struct for backwards-compatibility. + * + * Revision 1.32 1997/08/21 09:49:46 fritz + * Increased NET_DV + * + * Revision 1.31 1997/06/22 11:57:07 fritz + * Added ability to adjust slave triggerlevel. + * + * Revision 1.30 1997/06/17 13:07:23 hipp + * compression changes , MP changes + * + * Revision 1.29 1997/05/27 15:18:02 fritz + * Added changes for recent 2.1.x kernels: + * changed return type of isdn_close + * queue_task_* -> queue_task + * clear/set_bit -> test_and_... where apropriate. + * changed type of hard_header_cache parameter. + * + * Revision 1.28 1997/03/07 01:33:01 fritz + * Added proper ifdef's for CONFIG_ISDN_AUDIO + * + * Revision 1.27 1997/03/05 21:11:49 fritz + * Minor fixes. + * + * Revision 1.26 1997/02/28 02:37:53 fritz + * Added some comments. + * + * Revision 1.25 1997/02/23 16:54:23 hipp + * some initial changes for future PPP compresion + * + * Revision 1.24 1997/02/18 09:42:45 fritz + * Bugfix: Increased ISDN_MODEM_ANZREG. + * Increased TTY_DV. + * + * Revision 1.23 1997/02/10 22:07:13 fritz + * Added 2 modem registers for numbering plan and screening info. + * + * Revision 1.22 1997/02/03 23:42:08 fritz + * Added ISDN_TIMER_RINGING + * Misc. changes for Kernel 2.1.X compatibility + * + * Revision 1.21 1997/01/17 01:19:10 fritz + * Applied chargeint patch. + * + * Revision 1.20 1997/01/17 00:41:19 fritz + * Increased TTY_DV. + * + * Revision 1.19 1997/01/14 01:41:07 fritz + * Added ATI2 related variables. + * Added variables for audio support in skbuffs. + * + * Revision 1.18 1996/11/06 17:37:50 keil + * more changes for 2.1.X + * + * Revision 1.17 1996/09/07 12:53:57 hipp + * moved a few isdn_ppp.c specific defines to drives/isdn/isdn_ppp.h + * + * Revision 1.16 1996/08/12 16:20:56 hipp + * renamed ppp_minor to ppp_slot + * + * Revision 1.15 1996/06/15 14:56:57 fritz + * Added version signatures for data structures used + * by userlevel programs. + * + * Revision 1.14 1996/06/06 21:24:23 fritz + * Started adding support for suspend/resume. + * + * Revision 1.13 1996/06/05 02:18:20 fritz + * Added DTMF decoding stuff. + * + * Revision 1.12 1996/06/03 19:55:08 fritz + * Fixed typos. + * + * Revision 1.11 1996/05/31 01:37:47 fritz + * Minor changes, due to changes in isdn_tty.c + * + * Revision 1.10 1996/05/18 01:37:18 fritz + * Added spelling corrections and some minor changes + * to stay in sync with kernel. + * + * Revision 1.9 1996/05/17 03:58:20 fritz + * Added flags for DLE handling. + * + * Revision 1.8 1996/05/11 21:49:55 fritz + * Removed queue management variables. + * Changed queue management to use sk_buffs. + * + * Revision 1.7 1996/05/07 09:10:06 fritz + * Reorganized tty-related structs. + * + * Revision 1.6 1996/05/06 11:38:27 hipp + * minor change in ippp struct + * + * Revision 1.5 1996/04/30 11:03:16 fritz + * Added Michael's ippp-bind patch. + * + * Revision 1.4 1996/04/29 23:00:02 fritz + * Added variables for voice-support. + * + * Revision 1.3 1996/04/20 16:54:58 fritz + * Increased maximum number of channels. + * Added some flags for isdn_net to handle callback more reliable. + * Fixed delay-definitions to be more accurate. + * Misc. typos + * + * Revision 1.2 1996/02/11 02:10:02 fritz + * Changed IOCTL-names + * Added rx_netdev, st_netdev, first_skb, org_hcb, and org_hcu to + * Netdevice-local struct. + * + * Revision 1.1 1996/01/10 20:55:07 fritz + * Initial revision + * + */ + +#ifndef isdn_h +#define isdn_h + +#include <linux/isdn_compat.h> +#include <linux/config.h> +#include <linux/ioctl.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 + */ + +#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 +#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 + +/* 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 IIOCNETALN _IO('I',32) +#define IIOCNETDLN _IO('I',33) + +#define IIOCNETGPN _IO('I',34) + +#define IIOCDBGVAR _IO('I',127) + +#define IIOCDRVCTL _IO('I',128) + +/* 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_ANZREG 24 /* Number of Modem-Registers */ +#define ISDN_MSNLEN 20 +#define ISDN_LMSNLEN 255 /* Length of tty's Listen-MSN string */ +#define ISDN_CMSGLEN 50 /* Length of CONNECT-Message to add for Modem */ + +typedef struct { + char drvid[25]; + unsigned long arg; +} isdn_ioctl_struct; + +typedef struct { + unsigned long isdndev; + unsigned long atmodem[ISDN_MAX_CHANNELS]; + unsigned long info[ISDN_MAX_CHANNELS]; +} debugvar_addr; + +typedef struct { + char name[10]; + char phone[ISDN_MSNLEN]; + int outgoing; +} isdn_net_ioctl_phone; + +#define NET_DV 0x05 /* Data version for isdn_net_ioctl_cfg */ +#define TTY_DV 0x05 /* Data version for iprofd etc. */ +#define INF_DV 0x01 /* Data version for /dev/isdninfo */ + +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__ + +#ifndef STANDALONE +#include <linux/config.h> +#endif +#include <linux/errno.h> +#include <linux/fs.h> +#include <linux/major.h> +#include <asm/segment.h> +#include <asm/io.h> +#include <linux/kernel.h> +#include <linux/signal.h> +#include <linux/malloc.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> + +#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) ) + +/* Timer-delays and scheduling-flags */ +#define ISDN_TIMER_RES 3 /* Main Timer-Resolution */ +#define ISDN_TIMER_02SEC (HZ/(ISDN_TIMER_RES+1)/5) /* Slow-Timer1 .2 sec */ +#define ISDN_TIMER_1SEC (HZ/(ISDN_TIMER_RES+1)) /* 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_IPPP 64 +#define ISDN_TIMER_KEEPALIVE 128 /* Cisco-Keepalive */ +#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_KEEPALIVE | \ + 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 */ +#if 0 +/* Unused??? */ +#define ISDN_NET_CLONE 0x08 /* clone a tmp interface when called */ +#define ISDN_NET_TMP 0x10 /* tmp interface until getting an IP */ +#define ISDN_NET_DYNAMIC 0x20 /* this link is dynamically allocated */ +#endif + +#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; + char name[10]; /* Name of device */ + struct enet_statistics 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 */ + int 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 */ + struct device *srobin; /* Ptr to Master device for slaves */ + 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 device *master; /* Ptr to Master device for slaves */ + struct 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 *first_skb; /* Ptr to skb that triggers dialing */ + struct sk_buff *sav_skb; /* Ptr to skb, rejected by LL-driver*/ + /* Ptr to orig. hard_header_cache */ + int (*org_hhc)( + struct neighbour *neigh, + struct hh_cache *hh); + /* Ptr to orig. header_cache_update */ + void (*org_hcu)(struct hh_cache *, + struct device *, + unsigned char *); + 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 + int cisco_loop; /* Loop counter for Cisco-SLARP */ + ulong cisco_myseq; /* Local keepalive seq. for Cisco */ + ulong cisco_yourseq; /* Remote keepalive seq. for Cisco */ +} isdn_net_local; + +/* the interface itself */ +typedef struct isdn_net_dev_s { + isdn_net_local *local; + isdn_net_local *queue; + void *next; /* Pointer to next isdn-interface */ + struct device dev; /* interface to upper levels */ +#ifdef CONFIG_ISDN_PPP + struct mpqueue *mp_last; + struct ippp_bundle ib; +#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 skb->head. A few macros help accessing the + * variables. Of course, we need to check skb_headroom prior to + * any access. + */ +typedef struct isdn_audio_skb { + unsigned short dle_count; + unsigned char lock; +} isdn_audio_skb; + +#define ISDN_AUDIO_SKB_DLECOUNT(skb) (((isdn_audio_skb*)skb->head)->dle_count) +#define ISDN_AUDIO_SKB_LOCK(skb) (((isdn_audio_skb*)skb->head)->lock) +#endif + +/* Private data of AT-command-interpreter */ +typedef struct atemu { + u_char profile[ISDN_MODEM_ANZREG]; /* Modem-Regs. Profile 0 */ + u_char mdmreg[ISDN_MODEM_ANZREG]; /* 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 */ + int 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; + 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 termios normal_termios; /* For saving termios structs */ + struct termios callout_termios; +#ifdef COMPAT_HAS_NEW_WAITQ + wait_queue_head_t open_wait, close_wait; +#else + struct wait_queue *open_wait; + struct wait_queue *close_wait; +#endif + struct semaphore write_sem; +} modem_info; + +#define ISDN_MODEM_WINSIZE 8 + +/* Description of one ISDN-tty */ +typedef struct { + int refcount; /* Number of opens */ + 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]; + modem_info info[ISDN_MAX_CHANNELS]; /* Private data */ +} modem; + +/*======================= 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; + +typedef struct isdn_module { + struct isdn_module *prev; + struct isdn_module *next; + char *name; + int (*get_free_channel)(int, int, int, int, int); + int (*free_channel)(int, int, int); + int (*status_callback)(isdn_ctrl *); + int (*command)(isdn_ctrl *); + int (*receive_callback)(int, int, struct sk_buff *); + int (*writebuf_skb)(int, int, int, struct sk_buff *); + int (*net_start_xmit)(struct sk_buff *, struct device *); + int (*net_receive)(struct device *, struct sk_buff *); + int (*net_open)(struct device *); + int (*net_close)(struct device *); + int priority; +} isdn_module; + +#define DRV_FLAG_RUNNING 1 +#define DRV_FLAG_REJBUS 2 +#define DRV_FLAG_LOADED 4 + +/* Description of hardware-level-driver */ +typedef struct { + ulong online; /* Channel-Online flags */ + ulong flags; /* Misc driver Flags */ + int locks; /* Number of locks for this driver */ + int channels; /* Number of channels */ +#ifdef COMPAT_HAS_NEW_WAITQ + wait_queue_head_t st_waitq; /* Wait-Queue for status-read's */ +#else + struct wait_queue *st_waitq; /* Wait-Queue for status-read's */ +#endif + 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 */ +#ifdef COMPAT_HAS_NEW_WAITQ + 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 */ +#else + struct wait_queue **rcv_waitq; /* Wait-Queues for B-Channel-Reads */ + struct wait_queue **snd_waitq; /* Wait-Queue for B-Channel-Send's */ +#endif + 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. */ +#ifdef COMPAT_HAS_NEW_WAITQ + wait_queue_head_t info_waitq; /* Wait-Queue for isdninfo */ +#else + struct wait_queue *info_waitq; /* Wait-Queue for isdninfo */ +#endif + 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.... */ + 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_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 semaphore sem; /* serialize list access*/ + isdn_module *modules; +} 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 */ |