547 lines
21 KiB
C
547 lines
21 KiB
C
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/* $Id: isdnif.h,v 1.43.2.2 2004/01/12 23:08:35 keil Exp $
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*
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* Linux ISDN subsystem
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* Definition of the interface between the subsystem and its low-level drivers.
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*
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* Copyright 1994,95,96 by Fritz Elfert (fritz@isdn4linux.de)
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* Copyright 1995,96 Thinking Objects Software GmbH Wuerzburg
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License, incorporated herein by reference.
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*
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*/
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#ifndef __ISDNIF_H__
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#define __ISDNIF_H__
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/*
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* Values for general protocol-selection
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*/
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#define ISDN_PTYPE_UNKNOWN 0 /* Protocol undefined */
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#define ISDN_PTYPE_1TR6 1 /* german 1TR6-protocol */
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#define ISDN_PTYPE_EURO 2 /* EDSS1-protocol */
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#define ISDN_PTYPE_LEASED 3 /* for leased lines */
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#define ISDN_PTYPE_NI1 4 /* US NI-1 protocol */
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#define ISDN_PTYPE_MAX 7 /* Max. 8 Protocols */
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/*
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* Values for Layer-2-protocol-selection
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*/
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#define ISDN_PROTO_L2_X75I 0 /* X75/LAPB with I-Frames */
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#define ISDN_PROTO_L2_X75UI 1 /* X75/LAPB with UI-Frames */
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#define ISDN_PROTO_L2_X75BUI 2 /* X75/LAPB with UI-Frames */
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#define ISDN_PROTO_L2_HDLC 3 /* HDLC */
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#define ISDN_PROTO_L2_TRANS 4 /* Transparent (Voice) */
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#define ISDN_PROTO_L2_X25DTE 5 /* X25/LAPB DTE mode */
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#define ISDN_PROTO_L2_X25DCE 6 /* X25/LAPB DCE mode */
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#define ISDN_PROTO_L2_V11096 7 /* V.110 bitrate adaption 9600 Baud */
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#define ISDN_PROTO_L2_V11019 8 /* V.110 bitrate adaption 19200 Baud */
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#define ISDN_PROTO_L2_V11038 9 /* V.110 bitrate adaption 38400 Baud */
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#define ISDN_PROTO_L2_MODEM 10 /* Analog Modem on Board */
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#define ISDN_PROTO_L2_FAX 11 /* Fax Group 2/3 */
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#define ISDN_PROTO_L2_HDLC_56K 12 /* HDLC 56k */
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#define ISDN_PROTO_L2_MAX 15 /* Max. 16 Protocols */
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/*
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* Values for Layer-3-protocol-selection
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*/
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#define ISDN_PROTO_L3_TRANS 0 /* Transparent */
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#define ISDN_PROTO_L3_TRANSDSP 1 /* Transparent with DSP */
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#define ISDN_PROTO_L3_FCLASS2 2 /* Fax Group 2/3 CLASS 2 */
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#define ISDN_PROTO_L3_FCLASS1 3 /* Fax Group 2/3 CLASS 1 */
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#define ISDN_PROTO_L3_MAX 7 /* Max. 8 Protocols */
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#ifdef __KERNEL__
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#include <linux/skbuff.h>
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/***************************************************************************/
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/* Extensions made by Werner Cornelius (werner@ikt.de) */
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/* */
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/* The proceed command holds a incoming call in a state to leave processes */
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/* enough time to check whether ist should be accepted. */
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/* The PROT_IO Command extends the interface to make protocol dependent */
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/* features available (call diversion, call waiting...). */
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/* */
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/* The PROT_IO Command is executed with the desired driver id and the arg */
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/* parameter coded as follows: */
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/* The lower 8 bits of arg contain the desired protocol from ISDN_PTYPE */
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/* definitions. The upper 24 bits represent the protocol specific cmd/stat.*/
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/* Any additional data is protocol and command specific. */
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/* This mechanism also applies to the statcallb callback STAT_PROT. */
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/* */
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/* This suggested extension permits an easy expansion of protocol specific */
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/* handling. Extensions may be added at any time without changing the HL */
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/* driver code and not getting conflicts without certifications. */
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/* The well known CAPI 2.0 interface handles such extensions in a similar */
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/* way. Perhaps a protocol specific module may be added and separately */
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/* loaded and linked to the basic isdn module for handling. */
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/***************************************************************************/
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/*****************/
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/* DSS1 commands */
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/*****************/
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#define DSS1_CMD_INVOKE ((0x00 << 8) | ISDN_PTYPE_EURO) /* invoke a supplementary service */
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#define DSS1_CMD_INVOKE_ABORT ((0x01 << 8) | ISDN_PTYPE_EURO) /* abort a invoke cmd */
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/*******************************/
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/* DSS1 Status callback values */
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/*******************************/
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#define DSS1_STAT_INVOKE_RES ((0x80 << 8) | ISDN_PTYPE_EURO) /* Result for invocation */
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#define DSS1_STAT_INVOKE_ERR ((0x81 << 8) | ISDN_PTYPE_EURO) /* Error Return for invocation */
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#define DSS1_STAT_INVOKE_BRD ((0x82 << 8) | ISDN_PTYPE_EURO) /* Deliver invoke broadcast info */
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/*********************************************************************/
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/* structures for DSS1 commands and callback */
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/* */
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/* An action is invoked by sending a DSS1_CMD_INVOKE. The ll_id, proc*/
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/* timeout, datalen and data fields must be set before calling. */
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/* */
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/* The return value is a positive hl_id value also delivered in the */
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/* hl_id field. A value of zero signals no more left hl_id capacitys.*/
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/* A negative return value signals errors in LL. So if the return */
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/* value is <= 0 no action in LL will be taken -> request ignored */
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/* */
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/* The timeout field must be filled with a positive value specifying */
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/* the amount of time the INVOKED process waits for a reaction from */
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/* the network. */
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/* If a response (either error or result) is received during this */
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/* intervall, a reporting callback is initiated and the process will */
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/* be deleted, the hl identifier will be freed. */
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/* If no response is received during the specified intervall, a error*/
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/* callback is initiated with timeout set to -1 and a datalen set */
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/* to 0. */
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/* If timeout is set to a value <= 0 during INVOCATION the process is*/
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/* immediately deleted after sending the data. No callback occurs ! */
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/* */
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/* A currently waiting process may be aborted with INVOKE_ABORT. No */
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/* callback will occur when a process has been aborted. */
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/* */
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/* Broadcast invoke frames from the network are reported via the */
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/* STAT_INVOKE_BRD callback. The ll_id is set to 0, the other fields */
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/* are supplied by the network and not by the HL. */
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/*********************************************************************/
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/*****************/
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/* NI1 commands */
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/*****************/
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#define NI1_CMD_INVOKE ((0x00 << 8) | ISDN_PTYPE_NI1) /* invoke a supplementary service */
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#define NI1_CMD_INVOKE_ABORT ((0x01 << 8) | ISDN_PTYPE_NI1) /* abort a invoke cmd */
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/*******************************/
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/* NI1 Status callback values */
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/*******************************/
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#define NI1_STAT_INVOKE_RES ((0x80 << 8) | ISDN_PTYPE_NI1) /* Result for invocation */
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#define NI1_STAT_INVOKE_ERR ((0x81 << 8) | ISDN_PTYPE_NI1) /* Error Return for invocation */
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#define NI1_STAT_INVOKE_BRD ((0x82 << 8) | ISDN_PTYPE_NI1) /* Deliver invoke broadcast info */
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typedef struct
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{ ulong ll_id; /* ID supplied by LL when executing */
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/* a command and returned by HL for */
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/* INVOKE_RES and INVOKE_ERR */
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int hl_id; /* ID supplied by HL when called */
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/* for executing a cmd and delivered */
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/* for results and errors */
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/* must be supplied by LL when aborting*/
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int proc; /* invoke procedure used by CMD_INVOKE */
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/* returned by callback and broadcast */
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int timeout; /* timeout for INVOKE CMD in ms */
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/* -1 in stat callback when timed out */
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/* error value when error callback */
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int datalen; /* length of cmd or stat data */
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u_char *data;/* pointer to data delivered or send */
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} isdn_cmd_stat;
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/*
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* Commands from linklevel to lowlevel
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*
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*/
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#define ISDN_CMD_IOCTL 0 /* Perform ioctl */
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#define ISDN_CMD_DIAL 1 /* Dial out */
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#define ISDN_CMD_ACCEPTD 2 /* Accept an incoming call on D-Chan. */
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#define ISDN_CMD_ACCEPTB 3 /* Request B-Channel connect. */
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#define ISDN_CMD_HANGUP 4 /* Hangup */
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#define ISDN_CMD_CLREAZ 5 /* Clear EAZ(s) of channel */
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#define ISDN_CMD_SETEAZ 6 /* Set EAZ(s) of channel */
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#define ISDN_CMD_GETEAZ 7 /* Get EAZ(s) of channel */
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#define ISDN_CMD_SETSIL 8 /* Set Service-Indicator-List of channel */
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#define ISDN_CMD_GETSIL 9 /* Get Service-Indicator-List of channel */
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#define ISDN_CMD_SETL2 10 /* Set B-Chan. Layer2-Parameter */
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#define ISDN_CMD_GETL2 11 /* Get B-Chan. Layer2-Parameter */
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#define ISDN_CMD_SETL3 12 /* Set B-Chan. Layer3-Parameter */
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#define ISDN_CMD_GETL3 13 /* Get B-Chan. Layer3-Parameter */
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// #define ISDN_CMD_LOCK 14 /* Signal usage by upper levels */
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// #define ISDN_CMD_UNLOCK 15 /* Release usage-lock */
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#define ISDN_CMD_SUSPEND 16 /* Suspend connection */
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#define ISDN_CMD_RESUME 17 /* Resume connection */
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#define ISDN_CMD_PROCEED 18 /* Proceed with call establishment */
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#define ISDN_CMD_ALERT 19 /* Alert after Proceeding */
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#define ISDN_CMD_REDIR 20 /* Redir a incoming call */
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#define ISDN_CMD_PROT_IO 21 /* Protocol specific commands */
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#define CAPI_PUT_MESSAGE 22 /* CAPI message send down or up */
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#define ISDN_CMD_FAXCMD 23 /* FAX commands to HL-driver */
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#define ISDN_CMD_AUDIO 24 /* DSP, DTMF, ... settings */
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/*
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* Status-Values delivered from lowlevel to linklevel via
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* statcallb().
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*
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*/
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#define ISDN_STAT_STAVAIL 256 /* Raw status-data available */
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#define ISDN_STAT_ICALL 257 /* Incoming call detected */
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#define ISDN_STAT_RUN 258 /* Signal protocol-code is running */
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#define ISDN_STAT_STOP 259 /* Signal halt of protocol-code */
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#define ISDN_STAT_DCONN 260 /* Signal D-Channel connect */
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#define ISDN_STAT_BCONN 261 /* Signal B-Channel connect */
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#define ISDN_STAT_DHUP 262 /* Signal D-Channel disconnect */
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#define ISDN_STAT_BHUP 263 /* Signal B-Channel disconnect */
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#define ISDN_STAT_CINF 264 /* Charge-Info */
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#define ISDN_STAT_LOAD 265 /* Signal new lowlevel-driver is loaded */
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#define ISDN_STAT_UNLOAD 266 /* Signal unload of lowlevel-driver */
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#define ISDN_STAT_BSENT 267 /* Signal packet sent */
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#define ISDN_STAT_NODCH 268 /* Signal no D-Channel */
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#define ISDN_STAT_ADDCH 269 /* Add more Channels */
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#define ISDN_STAT_CAUSE 270 /* Cause-Message */
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#define ISDN_STAT_ICALLW 271 /* Incoming call without B-chan waiting */
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#define ISDN_STAT_REDIR 272 /* Redir result */
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#define ISDN_STAT_PROT 273 /* protocol IO specific callback */
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#define ISDN_STAT_DISPLAY 274 /* deliver a received display message */
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#define ISDN_STAT_L1ERR 275 /* Signal Layer-1 Error */
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#define ISDN_STAT_FAXIND 276 /* FAX indications from HL-driver */
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#define ISDN_STAT_AUDIO 277 /* DTMF, DSP indications */
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#define ISDN_STAT_DISCH 278 /* Disable/Enable channel usage */
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/*
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* Audio commands
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*/
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#define ISDN_AUDIO_SETDD 0 /* Set DTMF detection */
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#define ISDN_AUDIO_DTMF 1 /* Rx/Tx DTMF */
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/*
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* Values for errcode field
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*/
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#define ISDN_STAT_L1ERR_SEND 1
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#define ISDN_STAT_L1ERR_RECV 2
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/*
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* Values for feature-field of interface-struct.
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*/
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/* Layer 2 */
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#define ISDN_FEATURE_L2_X75I (0x0001 << ISDN_PROTO_L2_X75I)
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#define ISDN_FEATURE_L2_X75UI (0x0001 << ISDN_PROTO_L2_X75UI)
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#define ISDN_FEATURE_L2_X75BUI (0x0001 << ISDN_PROTO_L2_X75BUI)
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#define ISDN_FEATURE_L2_HDLC (0x0001 << ISDN_PROTO_L2_HDLC)
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#define ISDN_FEATURE_L2_TRANS (0x0001 << ISDN_PROTO_L2_TRANS)
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#define ISDN_FEATURE_L2_X25DTE (0x0001 << ISDN_PROTO_L2_X25DTE)
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#define ISDN_FEATURE_L2_X25DCE (0x0001 << ISDN_PROTO_L2_X25DCE)
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#define ISDN_FEATURE_L2_V11096 (0x0001 << ISDN_PROTO_L2_V11096)
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#define ISDN_FEATURE_L2_V11019 (0x0001 << ISDN_PROTO_L2_V11019)
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#define ISDN_FEATURE_L2_V11038 (0x0001 << ISDN_PROTO_L2_V11038)
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#define ISDN_FEATURE_L2_MODEM (0x0001 << ISDN_PROTO_L2_MODEM)
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#define ISDN_FEATURE_L2_FAX (0x0001 << ISDN_PROTO_L2_FAX)
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#define ISDN_FEATURE_L2_HDLC_56K (0x0001 << ISDN_PROTO_L2_HDLC_56K)
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#define ISDN_FEATURE_L2_MASK (0x0FFFF) /* Max. 16 protocols */
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#define ISDN_FEATURE_L2_SHIFT (0)
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/* Layer 3 */
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#define ISDN_FEATURE_L3_TRANS (0x10000 << ISDN_PROTO_L3_TRANS)
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#define ISDN_FEATURE_L3_TRANSDSP (0x10000 << ISDN_PROTO_L3_TRANSDSP)
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#define ISDN_FEATURE_L3_FCLASS2 (0x10000 << ISDN_PROTO_L3_FCLASS2)
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#define ISDN_FEATURE_L3_FCLASS1 (0x10000 << ISDN_PROTO_L3_FCLASS1)
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#define ISDN_FEATURE_L3_MASK (0x0FF0000) /* Max. 8 Protocols */
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#define ISDN_FEATURE_L3_SHIFT (16)
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/* Signaling */
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#define ISDN_FEATURE_P_UNKNOWN (0x1000000 << ISDN_PTYPE_UNKNOWN)
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#define ISDN_FEATURE_P_1TR6 (0x1000000 << ISDN_PTYPE_1TR6)
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#define ISDN_FEATURE_P_EURO (0x1000000 << ISDN_PTYPE_EURO)
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#define ISDN_FEATURE_P_NI1 (0x1000000 << ISDN_PTYPE_NI1)
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#define ISDN_FEATURE_P_MASK (0x0FF000000) /* Max. 8 Protocols */
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#define ISDN_FEATURE_P_SHIFT (24)
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typedef struct setup_parm {
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unsigned char phone[32]; /* Remote Phone-Number */
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unsigned char eazmsn[32]; /* Local EAZ or MSN */
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unsigned char si1; /* Service Indicator 1 */
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unsigned char si2; /* Service Indicator 2 */
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unsigned char plan; /* Numbering plan */
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unsigned char screen; /* Screening info */
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} setup_parm;
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#ifdef CONFIG_ISDN_TTY_FAX
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/* T.30 Fax G3 */
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#define FAXIDLEN 21
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typedef struct T30_s {
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/* session parameters */
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__u8 resolution;
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__u8 rate;
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__u8 width;
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__u8 length;
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__u8 compression;
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__u8 ecm;
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__u8 binary;
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__u8 scantime;
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__u8 id[FAXIDLEN];
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/* additional parameters */
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__u8 phase;
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__u8 direction;
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__u8 code;
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__u8 badlin;
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__u8 badmul;
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__u8 bor;
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__u8 fet;
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||
|
|
__u8 pollid[FAXIDLEN];
|
||
|
|
__u8 cq;
|
||
|
|
__u8 cr;
|
||
|
|
__u8 ctcrty;
|
||
|
|
__u8 minsp;
|
||
|
|
__u8 phcto;
|
||
|
|
__u8 rel;
|
||
|
|
__u8 nbc;
|
||
|
|
/* remote station parameters */
|
||
|
|
__u8 r_resolution;
|
||
|
|
__u8 r_rate;
|
||
|
|
__u8 r_width;
|
||
|
|
__u8 r_length;
|
||
|
|
__u8 r_compression;
|
||
|
|
__u8 r_ecm;
|
||
|
|
__u8 r_binary;
|
||
|
|
__u8 r_scantime;
|
||
|
|
__u8 r_id[FAXIDLEN];
|
||
|
|
__u8 r_code;
|
||
|
|
} __attribute__((packed)) T30_s;
|
||
|
|
|
||
|
|
#define ISDN_TTY_FAX_CONN_IN 0
|
||
|
|
#define ISDN_TTY_FAX_CONN_OUT 1
|
||
|
|
|
||
|
|
#define ISDN_TTY_FAX_FCON 0
|
||
|
|
#define ISDN_TTY_FAX_DIS 1
|
||
|
|
#define ISDN_TTY_FAX_FTT 2
|
||
|
|
#define ISDN_TTY_FAX_MCF 3
|
||
|
|
#define ISDN_TTY_FAX_DCS 4
|
||
|
|
#define ISDN_TTY_FAX_TRAIN_OK 5
|
||
|
|
#define ISDN_TTY_FAX_EOP 6
|
||
|
|
#define ISDN_TTY_FAX_EOM 7
|
||
|
|
#define ISDN_TTY_FAX_MPS 8
|
||
|
|
#define ISDN_TTY_FAX_DTC 9
|
||
|
|
#define ISDN_TTY_FAX_RID 10
|
||
|
|
#define ISDN_TTY_FAX_HNG 11
|
||
|
|
#define ISDN_TTY_FAX_DT 12
|
||
|
|
#define ISDN_TTY_FAX_FCON_I 13
|
||
|
|
#define ISDN_TTY_FAX_DR 14
|
||
|
|
#define ISDN_TTY_FAX_ET 15
|
||
|
|
#define ISDN_TTY_FAX_CFR 16
|
||
|
|
#define ISDN_TTY_FAX_PTS 17
|
||
|
|
#define ISDN_TTY_FAX_SENT 18
|
||
|
|
|
||
|
|
#define ISDN_FAX_PHASE_IDLE 0
|
||
|
|
#define ISDN_FAX_PHASE_A 1
|
||
|
|
#define ISDN_FAX_PHASE_B 2
|
||
|
|
#define ISDN_FAX_PHASE_C 3
|
||
|
|
#define ISDN_FAX_PHASE_D 4
|
||
|
|
#define ISDN_FAX_PHASE_E 5
|
||
|
|
|
||
|
|
#endif /* TTY_FAX */
|
||
|
|
|
||
|
|
#define ISDN_FAX_CLASS1_FAE 0
|
||
|
|
#define ISDN_FAX_CLASS1_FTS 1
|
||
|
|
#define ISDN_FAX_CLASS1_FRS 2
|
||
|
|
#define ISDN_FAX_CLASS1_FTM 3
|
||
|
|
#define ISDN_FAX_CLASS1_FRM 4
|
||
|
|
#define ISDN_FAX_CLASS1_FTH 5
|
||
|
|
#define ISDN_FAX_CLASS1_FRH 6
|
||
|
|
#define ISDN_FAX_CLASS1_CTRL 7
|
||
|
|
|
||
|
|
#define ISDN_FAX_CLASS1_OK 0
|
||
|
|
#define ISDN_FAX_CLASS1_CONNECT 1
|
||
|
|
#define ISDN_FAX_CLASS1_NOCARR 2
|
||
|
|
#define ISDN_FAX_CLASS1_ERROR 3
|
||
|
|
#define ISDN_FAX_CLASS1_FCERROR 4
|
||
|
|
#define ISDN_FAX_CLASS1_QUERY 5
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
__u8 cmd;
|
||
|
|
__u8 subcmd;
|
||
|
|
__u8 para[50];
|
||
|
|
} aux_s;
|
||
|
|
|
||
|
|
#define AT_COMMAND 0
|
||
|
|
#define AT_EQ_VALUE 1
|
||
|
|
#define AT_QUERY 2
|
||
|
|
#define AT_EQ_QUERY 3
|
||
|
|
|
||
|
|
/* CAPI structs */
|
||
|
|
|
||
|
|
/* this is compatible to the old union size */
|
||
|
|
#define MAX_CAPI_PARA_LEN 50
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
/* Header */
|
||
|
|
__u16 Length;
|
||
|
|
__u16 ApplId;
|
||
|
|
__u8 Command;
|
||
|
|
__u8 Subcommand;
|
||
|
|
__u16 Messagenumber;
|
||
|
|
|
||
|
|
/* Parameter */
|
||
|
|
union {
|
||
|
|
__u32 Controller;
|
||
|
|
__u32 PLCI;
|
||
|
|
__u32 NCCI;
|
||
|
|
} adr;
|
||
|
|
__u8 para[MAX_CAPI_PARA_LEN];
|
||
|
|
} capi_msg;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Structure for exchanging above infos
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef struct {
|
||
|
|
int driver; /* Lowlevel-Driver-ID */
|
||
|
|
int command; /* Command or Status (see above) */
|
||
|
|
ulong arg; /* Additional Data */
|
||
|
|
union {
|
||
|
|
ulong errcode; /* Type of error with STAT_L1ERR */
|
||
|
|
int length; /* Amount of bytes sent with STAT_BSENT */
|
||
|
|
u_char num[50]; /* Additional Data */
|
||
|
|
setup_parm setup;/* For SETUP msg */
|
||
|
|
capi_msg cmsg; /* For CAPI like messages */
|
||
|
|
char display[85];/* display message data */
|
||
|
|
isdn_cmd_stat isdn_io; /* ISDN IO-parameter/result */
|
||
|
|
aux_s aux; /* for modem commands/indications */
|
||
|
|
#ifdef CONFIG_ISDN_TTY_FAX
|
||
|
|
T30_s *fax; /* Pointer to ttys fax struct */
|
||
|
|
#endif
|
||
|
|
ulong userdata; /* User Data */
|
||
|
|
} parm;
|
||
|
|
} isdn_ctrl;
|
||
|
|
|
||
|
|
#define dss1_io isdn_io
|
||
|
|
#define ni1_io isdn_io
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The interface-struct itself (initialized at load-time of lowlevel-driver)
|
||
|
|
*
|
||
|
|
* See Documentation/isdn/INTERFACE for a description, how the communication
|
||
|
|
* between the ISDN subsystem and its drivers is done.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef struct {
|
||
|
|
struct module *owner;
|
||
|
|
|
||
|
|
/* Number of channels supported by this driver
|
||
|
|
*/
|
||
|
|
int channels;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Maximum Size of transmit/receive-buffer this driver supports.
|
||
|
|
*/
|
||
|
|
int maxbufsize;
|
||
|
|
|
||
|
|
/* Feature-Flags for this driver.
|
||
|
|
* See defines ISDN_FEATURE_... for Values
|
||
|
|
*/
|
||
|
|
unsigned long features;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Needed for calculating
|
||
|
|
* dev->hard_header_len = linklayer header + hl_hdrlen;
|
||
|
|
* Drivers, not supporting sk_buff's should set this to 0.
|
||
|
|
*/
|
||
|
|
unsigned short hl_hdrlen;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Receive-Callback using sk_buff's
|
||
|
|
* Parameters:
|
||
|
|
* int Driver-ID
|
||
|
|
* int local channel-number (0 ...)
|
||
|
|
* struct sk_buff *skb received Data
|
||
|
|
*/
|
||
|
|
void (*rcvcallb_skb)(int, int, struct sk_buff *);
|
||
|
|
|
||
|
|
/* Status-Callback
|
||
|
|
* Parameters:
|
||
|
|
* isdn_ctrl*
|
||
|
|
* driver = Driver ID.
|
||
|
|
* command = One of above ISDN_STAT_... constants.
|
||
|
|
* arg = depending on status-type.
|
||
|
|
* num = depending on status-type.
|
||
|
|
*/
|
||
|
|
int (*statcallb)(isdn_ctrl*);
|
||
|
|
|
||
|
|
/* Send command
|
||
|
|
* Parameters:
|
||
|
|
* isdn_ctrl*
|
||
|
|
* driver = Driver ID.
|
||
|
|
* command = One of above ISDN_CMD_... constants.
|
||
|
|
* arg = depending on command.
|
||
|
|
* num = depending on command.
|
||
|
|
*/
|
||
|
|
int (*command)(isdn_ctrl*);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Send data using sk_buff's
|
||
|
|
* Parameters:
|
||
|
|
* int driverId
|
||
|
|
* int local channel-number (0...)
|
||
|
|
* int Flag: Need ACK for this packet.
|
||
|
|
* struct sk_buff *skb Data to send
|
||
|
|
*/
|
||
|
|
int (*writebuf_skb) (int, int, int, struct sk_buff *);
|
||
|
|
|
||
|
|
/* Send raw D-Channel-Commands
|
||
|
|
* Parameters:
|
||
|
|
* u_char pointer data
|
||
|
|
* int length of data
|
||
|
|
* int driverId
|
||
|
|
* int local channel-number (0 ...)
|
||
|
|
*/
|
||
|
|
int (*writecmd)(const u_char __user *, int, int, int);
|
||
|
|
|
||
|
|
/* Read raw Status replies
|
||
|
|
* u_char pointer data (volatile)
|
||
|
|
* int length of buffer
|
||
|
|
* int driverId
|
||
|
|
* int local channel-number (0 ...)
|
||
|
|
*/
|
||
|
|
int (*readstat)(u_char __user *, int, int, int);
|
||
|
|
|
||
|
|
char id[20];
|
||
|
|
} isdn_if;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function which must be called by lowlevel-driver at loadtime with
|
||
|
|
* the following fields of above struct set:
|
||
|
|
*
|
||
|
|
* channels Number of channels that will be supported.
|
||
|
|
* hl_hdrlen Space to preserve in sk_buff's when sending. Drivers, not
|
||
|
|
* supporting sk_buff's should set this to 0.
|
||
|
|
* command Address of Command-Handler.
|
||
|
|
* features Bitwise coded Features of this driver. (use ISDN_FEATURE_...)
|
||
|
|
* writebuf_skb Address of Skbuff-Send-Handler.
|
||
|
|
* writecmd " " D-Channel " which accepts raw D-Ch-Commands.
|
||
|
|
* readstat " " D-Channel " which delivers raw Status-Data.
|
||
|
|
*
|
||
|
|
* The linklevel-driver fills the following fields:
|
||
|
|
*
|
||
|
|
* channels Driver-ID assigned to this driver. (Must be used on all
|
||
|
|
* subsequent callbacks.
|
||
|
|
* rcvcallb_skb Address of handler for received Skbuff's.
|
||
|
|
* statcallb " " " for status-changes.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
extern int register_isdn(isdn_if*);
|
||
|
|
#include <asm/uaccess.h>
|
||
|
|
|
||
|
|
#endif /* __KERNEL__ */
|
||
|
|
|
||
|
|
#endif /* __ISDNIF_H__ */
|