isdn.h

基于组件方式开发操作系统的OSKIT源代码

/* $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 ([e-mail])
 * Copyright 1995,96    by Thinking Objects Software GmbH Wuerzburg
 * Copyright 1995,96    by Michael Hipp ([e-mail])
 * 
 * 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)