isdnif.h

linux得一些常用命令,以及linux环境下的c编程

/* $Id: isdnif.h,v 1.1.4.1 2001/11/20 14:19:38 kai Exp $
 *
 * Linux ISDN subsystem
 * Definition of the interface between the subsystem and its low-level drivers.
 *
 * Copyright 1994,95,96 by Fritz Elfert ([e-mail])
 * Copyright 1995,96    Thinking Objects Software GmbH Wuerzburg
 * 
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#ifndef __ISDNIF_H__
#define __ISDNIF_H__


/*
 * Values for general protocol-selection
 */
#define ISDN_PTYPE_UNKNOWN   0   /* Protocol undefined   */
#define ISDN_PTYPE_1TR6      1   /* german 1TR6-protocol */
#define ISDN_PTYPE_EURO      2   /* EDSS1-protocol       */
#define ISDN_PTYPE_LEASED    3   /* for leased lines     */
#define ISDN_PTYPE_NI1       4   /* US NI-1 protocol     */
#define ISDN_PTYPE_MAX       7   /* Max. 8 Protocols     */

/*
 * Values for Layer-2-protocol-selection
 */
#define ISDN_PROTO_L2_X75I   0   /* X75/LAPB with I-Frames            */
#define ISDN_PROTO_L2_X75UI  1   /* X75/LAPB with UI-Frames           */
#define ISDN_PROTO_L2_X75BUI 2   /* X75/LAPB with UI-Frames           */
#define ISDN_PROTO_L2_HDLC   3   /* HDLC                              */
#define ISDN_PROTO_L2_TRANS  4   /* Transparent (Voice)               */
#define ISDN_PROTO_L2_X25DTE 5   /* X25/LAPB DTE mode                 */
#define ISDN_PROTO_L2_X25DCE 6   /* X25/LAPB DCE mode                 */
#define ISDN_PROTO_L2_V11096 7   /* V.110 bitrate adaption 9600 Baud  */
#define ISDN_PROTO_L2_V11019 8   /* V.110 bitrate adaption 19200 Baud */
#define ISDN_PROTO_L2_V11038 9   /* V.110 bitrate adaption 38400 Baud */
#define ISDN_PROTO_L2_MODEM  10  /* Analog Modem on Board */
#define ISDN_PROTO_L2_FAX    11  /* Fax Group 2/3         */
#define ISDN_PROTO_L2_HDLC_56K 12   /* HDLC 56k                          */
#define ISDN_PROTO_L2_MAX    15  /* Max. 16 Protocols                 */

/*
 * Values for Layer-3-protocol-selection
 */
#define ISDN_PROTO_L3_TRANS	0	/* Transparent */
#define ISDN_PROTO_L3_TRANSDSP	1	/* Transparent with DSP */
#define ISDN_PROTO_L3_FCLASS2	2	/* Fax Group 2/3 CLASS 2 */
#define ISDN_PROTO_L3_FCLASS1	3	/* Fax Group 2/3 CLASS 1 */
#define ISDN_PROTO_L3_MAX	7	/* Max. 8 Protocols */

#ifdef __KERNEL__

#include <linux/config.h>
#include <linux/skbuff.h>

/***************************************************************************/
/* Extensions made by Werner Cornelius ([e-mail])                     */
/*                                                                         */ 
/* The proceed command holds a incoming call in a state to leave processes */
/* enough time to check whether ist should be accepted.                    */
/* The PROT_IO Command extends the interface to make protocol dependant    */
/* features available (call diversion, call waiting...).                   */
/*                                                                         */ 
/* The PROT_IO Command is executed with the desired driver id and the arg  */
/* parameter coded as follows:                                             */
/* The lower 8 bits of arg contain the desired protocol from ISDN_PTYPE    */
/* definitions. The upper 24 bits represent the protocol specific cmd/stat.*/
/* Any additional data is protocol and command specific.                   */
/* This mechanism also applies to the statcallb callback STAT_PROT.        */    
/*                                                                         */
/* This suggested extension permits an easy expansion of protocol specific */
/* handling. Extensions may be added at any time without changing the HL   */
/* driver code and not getting conflicts without certifications.           */
/* The well known CAPI 2.0 interface handles such extensions in a similar  */
/* way. Perhaps a protocol specific module may be added and separately     */
/* loaded and linked to the basic isdn module for handling.                */                    
/***************************************************************************/

/*****************/
/* DSS1 commands */ 
/*****************/
#define DSS1_CMD_INVOKE       ((0x00 << 8) | ISDN_PTYPE_EURO)   /* invoke a supplementary service */
#define DSS1_CMD_INVOKE_ABORT ((0x01 << 8) | ISDN_PTYPE_EURO)   /* abort a invoke cmd */

/*******************************/
/* DSS1 Status callback values */
/*******************************/
#define DSS1_STAT_INVOKE_RES  ((0x80 << 8) | ISDN_PTYPE_EURO)   /* Result for invocation */
#define DSS1_STAT_INVOKE_ERR  ((0x81 << 8) | ISDN_PTYPE_EURO)   /* Error Return for invocation */
#define DSS1_STAT_INVOKE_BRD  ((0x82 << 8) | ISDN_PTYPE_EURO)   /* Deliver invoke broadcast info */


/*********************************************************************/
/* structures for DSS1 commands and callback                         */
/*                                                                   */
/* An action is invoked by sending a DSS1_CMD_INVOKE. The ll_id, proc*/
/* timeout, datalen and data fields must be set before calling.      */
/*                                                                   */
/* The return value is a positive hl_id value also delivered in the  */
/* hl_id field. A value of zero signals no more left hl_id capacitys.*/
/* A negative return value signals errors in LL. So if the return    */
/* value is <= 0 no action in LL will be taken -> request ignored    */
/*                                                                   */
/* The timeout field must be filled with a positive value specifying */
/* the amount of time the INVOKED process waits for a reaction from  */
/* the network.                                                      */
/* If a response (either error or result) is received during this    */
/* intervall, a reporting callback is initiated and the process will */
/* be deleted, the hl identifier will be freed.                      */
/* If no response is received during the specified intervall, a error*/
/* callback is initiated with timeout set to -1 and a datalen set    */
/* to 0.                                                             */
/* If timeout is set to a value <= 0 during INVOCATION the process is*/
/* immediately deleted after sending the data. No callback occurs !  */
/*                                                                   */
/* A currently waiting process may be aborted with INVOKE_ABORT. No  */
/* callback will occur when a process has been aborted.              */
/*                                                                   */
/* Broadcast invoke frames from the network are reported via the     */
/* STAT_INVOKE_BRD callback. The ll_id is set to 0, the other fields */
/* are supplied by the network and not by the HL.                    */   
/*********************************************************************/

/*****************/
/* NI1 commands */ 
/*****************/
#define NI1_CMD_INVOKE       ((0x00 << 8) | ISDN_PTYPE_NI1)   /* invoke a supplementary service */
#define NI1_CMD_INVOKE_ABORT ((0x01 << 8) | ISDN_PTYPE_NI1)   /* abort a invoke cmd */

/*******************************/
/* NI1 Status callback values */
/*******************************/
#define NI1_STAT_INVOKE_RES  ((0x80 << 8) | ISDN_PTYPE_NI1)   /* Result for invocation */
#define NI1_STAT_INVOKE_ERR  ((0x81 << 8) | ISDN_PTYPE_NI1)   /* Error Return for invocation */
#define NI1_STAT_INVOKE_BRD  ((0x82 << 8) | ISDN_PTYPE_NI1)   /* Deliver invoke broadcast info */

typedef struct
  { ulong ll_id; /* ID supplied by LL when executing    */
		 /* a command and returned by HL for    */
                 /* INVOKE_RES and INVOKE_ERR           */
    int hl_id;   /* ID supplied by HL when called       */
                 /* for executing a cmd and delivered   */
                 /* for results and errors              */
                 /* must be supplied by LL when aborting*/  
    int proc;    /* invoke procedure used by CMD_INVOKE */
                 /* returned by callback and broadcast  */ 
    int timeout; /* timeout for INVOKE CMD in ms        */
                 /* -1  in stat callback when timed out */
                 /* error value when error callback     */
    int datalen; /* length of cmd or stat data          */
    u_char *data;/* pointer to data delivered or send   */
  } isdn_cmd_stat;

/*
 * Commands from linklevel to lowlevel
 *
 */
#define ISDN_CMD_IOCTL    0       /* Perform ioctl                         */
#define ISDN_CMD_DIAL     1       /* Dial out                              */
#define ISDN_CMD_ACCEPTD  2       /* Accept an incoming call on D-Chan.    */
#define ISDN_CMD_ACCEPTB  3       /* Request B-Channel connect.            */
#define ISDN_CMD_HANGUP   4       /* Hangup                                */
#define ISDN_CMD_CLREAZ   5       /* Clear EAZ(s) of channel               */
#define ISDN_CMD_SETEAZ   6       /* Set EAZ(s) of channel                 */
#define ISDN_CMD_GETEAZ   7       /* Get EAZ(s) of channel                 */
#define ISDN_CMD_SETSIL   8       /* Set Service-Indicator-List of channel */
#define ISDN_CMD_GETSIL   9       /* Get Service-Indicator-List of channel */
#define ISDN_CMD_SETL2   10       /* Set B-Chan. Layer2-Parameter          */
#define ISDN_CMD_GETL2   11       /* Get B-Chan. Layer2-Parameter          */
#define ISDN_CMD_SETL3   12       /* Set B-Chan. Layer3-Parameter          */
#define ISDN_CMD_GETL3   13       /* Get B-Chan. Layer3-Parameter          */
#define ISDN_CMD_LOCK    14       /* Signal usage by upper levels          */
#define ISDN_CMD_UNLOCK  15       /* Release usage-lock                    */
#define ISDN_CMD_SUSPEND 16       /* Suspend connection                    */
#define ISDN_CMD_RESUME  17       /* Resume connection                     */
#define ISDN_CMD_PROCEED 18       /* Proceed with call establishment       */
#define ISDN_CMD_ALERT   19       /* Alert after Proceeding                */
#define ISDN_CMD_REDIR   20       /* Redir a incoming call                 */
#define ISDN_CMD_PROT_IO 21       /* Protocol specific commands            */
#define CAPI_PUT_MESSAGE 22       /* CAPI message send down or up          */
#define ISDN_CMD_FAXCMD  23       /* FAX commands to HL-driver             */
#define ISDN_CMD_AUDIO   24       /* DSP, DTMF, ... settings               */

/*
 * Status-Values delivered from lowlevel to linklevel via
 * statcallb().
 *
 */
#define ISDN_STAT_STAVAIL 256    /* Raw status-data available             */
#define ISDN_STAT_ICALL   257    /* Incoming call detected                */
#define ISDN_STAT_RUN     258    /* Signal protocol-code is running       */
#define ISDN_STAT_STOP    259    /* Signal halt of protocol-code          */
#define ISDN_STAT_DCONN   260    /* Signal D-Channel connect              */
#define ISDN_STAT_BCONN   261    /* Signal B-Channel connect              */
#define ISDN_STAT_DHUP    262    /* Signal D-Channel disconnect           */
#define ISDN_STAT_BHUP    263    /* Signal B-Channel disconnect           */
#define ISDN_STAT_CINF    264    /* Charge-Info                           */
#define ISDN_STAT_LOAD    265    /* Signal new lowlevel-driver is loaded  */
#define ISDN_STAT_UNLOAD  266    /* Signal unload of lowlevel-driver      */
#define ISDN_STAT_BSENT   267    /* Signal packet sent                    */
#define ISDN_STAT_NODCH   268    /* Signal no D-Channel                   */
#define ISDN_STAT_ADDCH   269    /* Add more Channels                     */
#define ISDN_STAT_CAUSE   270    /* Cause-Message                         */
#define ISDN_STAT_ICALLW  271    /* Incoming call without B-chan waiting  */
#define ISDN_STAT_REDIR   272    /* Redir result                          */
#define ISDN_STAT_PROT    273    /* protocol IO specific callback         */
#define ISDN_STAT_DISPLAY 274    /* deliver a received display message    */
#define ISDN_STAT_L1ERR   275    /* Signal Layer-1 Error                  */
#define ISDN_STAT_FAXIND  276    /* FAX indications from HL-driver        */
#define ISDN_STAT_AUDIO   277    /* DTMF, DSP indications                 */
#define ISDN_STAT_DISCH   278    /* Disable/Enable channel usage          */

/*
 * Audio commands
 */
#define ISDN_AUDIO_SETDD	0	/* Set DTMF detection           */
#define ISDN_AUDIO_DTMF		1	/* Rx/Tx DTMF                   */

/*
 * Values for errcode field
 */
#define ISDN_STAT_L1ERR_SEND 1
#define ISDN_STAT_L1ERR_RECV 2

/*
 * Values for feature-field of interface-struct.
 */
/* Layer 2 */
#define ISDN_FEATURE_L2_X75I    (0x0001 << ISDN_PROTO_L2_X75I)
#define ISDN_FEATURE_L2_X75UI   (0x0001 << ISDN_PROTO_L2_X75UI)
#define ISDN_FEATURE_L2_X75BUI  (0x0001 << ISDN_PROTO_L2_X75BUI)
#define ISDN_FEATURE_L2_HDLC    (0x0001 << ISDN_PROTO_L2_HDLC)
#define ISDN_FEATURE_L2_TRANS   (0x0001 << ISDN_PROTO_L2_TRANS)
#define ISDN_FEATURE_L2_X25DTE  (0x0001 << ISDN_PROTO_L2_X25DTE)
#define ISDN_FEATURE_L2_X25DCE  (0x0001 << ISDN_PROTO_L2_X25DCE)
#define ISDN_FEATURE_L2_V11096  (0x0001 << ISDN_PROTO_L2_V11096)
#define ISDN_FEATURE_L2_V11019  (0x0001 << ISDN_PROTO_L2_V11019)
#define ISDN_FEATURE_L2_V11038  (0x0001 << ISDN_PROTO_L2_V11038)
#define ISDN_FEATURE_L2_MODEM   (0x0001 << ISDN_PROTO_L2_MODEM)
#define ISDN_FEATURE_L2_FAX	(0x0001 << ISDN_PROTO_L2_FAX)
#define ISDN_FEATURE_L2_HDLC_56K (0x0001 << ISDN_PROTO_L2_HDLC_56K)

#define ISDN_FEATURE_L2_MASK    (0x0FFFF) /* Max. 16 protocols */
#define ISDN_FEATURE_L2_SHIFT   (0)

/* Layer 3 */
#define ISDN_FEATURE_L3_TRANS   (0x10000 << ISDN_PROTO_L3_TRANS)
#define ISDN_FEATURE_L3_TRANSDSP (0x10000 << ISDN_PROTO_L3_TRANSDSP)
#define ISDN_FEATURE_L3_FCLASS2	(0x10000 << ISDN_PROTO_L3_FCLASS2)
#define ISDN_FEATURE_L3_FCLASS1	(0x10000 << ISDN_PROTO_L3_FCLASS1)

#define ISDN_FEATURE_L3_MASK    (0x0FF0000) /* Max. 8 Protocols */
#define ISDN_FEATURE_L3_SHIFT   (16)

/* Signaling */
#define ISDN_FEATURE_P_UNKNOWN  (0x1000000 << ISDN_PTYPE_UNKNOWN)
#define ISDN_FEATURE_P_1TR6     (0x1000000 << ISDN_PTYPE_1TR6)
#define ISDN_FEATURE_P_EURO     (0x1000000 << ISDN_PTYPE_EURO)
#define ISDN_FEATURE_P_NI1      (0x1000000 << ISDN_PTYPE_NI1)

#define ISDN_FEATURE_P_MASK     (0x0FF000000) /* Max. 8 Protocols */
#define ISDN_FEATURE_P_SHIFT    (24)

typedef struct setup_parm {
    unsigned char phone[32];	/* Remote Phone-Number */
    unsigned char eazmsn[32];	/* Local EAZ or MSN    */
    unsigned char si1;      /* Service Indicator 1 */
    unsigned char si2;      /* Service Indicator 2 */
    unsigned char plan;     /* Numbering plan      */
    unsigned char screen;   /* Screening info      */
} setup_parm;