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      1 /* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
      2 /* $Id: isdnif.h,v 1.43.2.2 2004/01/12 23:08:35 keil Exp $
      3  *
      4  * Linux ISDN subsystem
      5  * Definition of the interface between the subsystem and its low-level drivers.
      6  *
      7  * Copyright 1994,95,96 by Fritz Elfert (fritz (at) isdn4linux.de)
      8  * Copyright 1995,96    Thinking Objects Software GmbH Wuerzburg
      9  *
     10  * This software may be used and distributed according to the terms
     11  * of the GNU General Public License, incorporated herein by reference.
     12  *
     13  */
     14 
     15 #ifndef _UAPI__ISDNIF_H__
     16 #define _UAPI__ISDNIF_H__
     17 
     18 
     19 /*
     20  * Values for general protocol-selection
     21  */
     22 #define ISDN_PTYPE_UNKNOWN   0   /* Protocol undefined   */
     23 #define ISDN_PTYPE_1TR6      1   /* german 1TR6-protocol */
     24 #define ISDN_PTYPE_EURO      2   /* EDSS1-protocol       */
     25 #define ISDN_PTYPE_LEASED    3   /* for leased lines     */
     26 #define ISDN_PTYPE_NI1       4   /* US NI-1 protocol     */
     27 #define ISDN_PTYPE_MAX       7   /* Max. 8 Protocols     */
     28 
     29 /*
     30  * Values for Layer-2-protocol-selection
     31  */
     32 #define ISDN_PROTO_L2_X75I   0   /* X75/LAPB with I-Frames            */
     33 #define ISDN_PROTO_L2_X75UI  1   /* X75/LAPB with UI-Frames           */
     34 #define ISDN_PROTO_L2_X75BUI 2   /* X75/LAPB with UI-Frames           */
     35 #define ISDN_PROTO_L2_HDLC   3   /* HDLC                              */
     36 #define ISDN_PROTO_L2_TRANS  4   /* Transparent (Voice)               */
     37 #define ISDN_PROTO_L2_X25DTE 5   /* X25/LAPB DTE mode                 */
     38 #define ISDN_PROTO_L2_X25DCE 6   /* X25/LAPB DCE mode                 */
     39 #define ISDN_PROTO_L2_V11096 7   /* V.110 bitrate adaption 9600 Baud  */
     40 #define ISDN_PROTO_L2_V11019 8   /* V.110 bitrate adaption 19200 Baud */
     41 #define ISDN_PROTO_L2_V11038 9   /* V.110 bitrate adaption 38400 Baud */
     42 #define ISDN_PROTO_L2_MODEM  10  /* Analog Modem on Board */
     43 #define ISDN_PROTO_L2_FAX    11  /* Fax Group 2/3         */
     44 #define ISDN_PROTO_L2_HDLC_56K 12   /* HDLC 56k                          */
     45 #define ISDN_PROTO_L2_MAX    15  /* Max. 16 Protocols                 */
     46 
     47 /*
     48  * Values for Layer-3-protocol-selection
     49  */
     50 #define ISDN_PROTO_L3_TRANS	0	/* Transparent */
     51 #define ISDN_PROTO_L3_TRANSDSP	1	/* Transparent with DSP */
     52 #define ISDN_PROTO_L3_FCLASS2	2	/* Fax Group 2/3 CLASS 2 */
     53 #define ISDN_PROTO_L3_FCLASS1	3	/* Fax Group 2/3 CLASS 1 */
     54 #define ISDN_PROTO_L3_MAX	7	/* Max. 8 Protocols */
     55 
     56 
     57 #endif /* _UAPI__ISDNIF_H__ */
     58