patch-2.0.31 linux/drivers/isdn/avmb1/capiutil.c

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diff -u --recursive --new-file v2.0.30/linux/drivers/isdn/avmb1/capiutil.c linux/drivers/isdn/avmb1/capiutil.c
@@ -0,0 +1,974 @@
+/*
+ * $Id: capiutil.c,v 1.3 1997/05/18 09:24:18 calle Exp $
+ *
+ * CAPI 2.0 convert capi message to capi message struct
+ *
+ * From CAPI 2.0 Development Kit AVM 1995 (msg.c)
+ * Rewritten for Linux 1996 by Carsten Paeth (calle@calle.in-berlin.de)
+ *
+ * $Log: capiutil.c,v $
+ * Revision 1.3  1997/05/18 09:24:18  calle
+ * added verbose disconnect reason reporting to avmb1.
+ * some fixes in capi20 interface.
+ * changed info messages for B1-PCI
+ *
+ * Revision 1.2  1997/03/05 21:22:13  fritz
+ * Fix: Symbols have to be exported unconditionally.
+ *
+ * Revision 1.1  1997/03/04 21:50:34  calle
+ * Frirst version in isdn4linux
+ *
+ * Revision 2.2  1997/02/12 09:31:39  calle
+ * new version
+ *
+ * Revision 1.1  1997/01/31 10:32:20  calle
+ * Initial revision
+ *
+ */
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <asm/segment.h>
+
+#include "compat.h"
+#include "capiutil.h"
+
+/* from CAPI2.0 DDK AVM Berlin GmbH */
+
+#ifndef CONFIG_ISDN_DRV_AVMB1_VERBOSE_REASON
+char *capi_info2str(__u16 reason)
+{
+    return "..";
+}
+#else
+char *capi_info2str(__u16 reason)
+{
+    switch (reason) {
+
+/*-- informative values (corresponding message was processed) -----*/
+	case 0x0001:
+	   return "NCPI not supported by current protocol, NCPI ignored";
+	case 0x0002:
+	   return "Flags not supported by current protocol, flags ignored";
+	case 0x0003:
+	   return "Alert already sent by another application";
+
+/*-- error information concerning CAPI_REGISTER -----*/
+	case 0x1001:
+	   return "Too many applications";
+	case 0x1002:
+	   return "Logical block size to small, must be at least 128 Bytes";
+	case 0x1003:
+	   return "Buffer exceeds 64 kByte";
+	case 0x1004:
+	   return "Message buffer size too small, must be at least 1024 Bytes";
+	case 0x1005:
+	   return "Max. number of logical connections not supported";
+	case 0x1006:
+	   return "Reserved";
+	case 0x1007:
+	   return "The message could not be accepted because of an internal busy condition";
+	case 0x1008:
+	   return "OS resource error (no memory ?)";
+	case 0x1009:
+	   return "CAPI not installed";
+	case 0x100A:
+	   return "Controller does not support external equipment";
+	case 0x100B:
+	   return "Controller does only support external equipment";
+
+/*-- error information concerning message exchange functions -----*/
+	case 0x1101:
+	   return "Illegal application number";
+	case 0x1102:
+	   return "Illegal command or subcommand or message length less than 12 bytes";
+	case 0x1103:
+	   return "The message could not be accepted because of a queue full condition !! The error code does not imply that CAPI cannot receive messages directed to another controller, PLCI or NCCI";
+	case 0x1104:
+	   return "Queue is empty";
+	case 0x1105:
+	   return "Queue overflow, a message was lost !! This indicates a configuration error. The only recovery from this error is to perform a CAPI_RELEASE";
+	case 0x1106:
+	   return "Unknown notification parameter";
+	case 0x1107:
+	   return "The Message could not be accepted because of an internal busy condition";
+	case 0x1108:
+	   return "OS Resource error (no memory ?)";
+	case 0x1109:
+	   return "CAPI not installed";
+	case 0x110A:
+	   return "Controller does not support external equipment";
+	case 0x110B:
+	   return "Controller does only support external equipment";
+
+/*-- error information concerning resource / coding problems -----*/
+	case 0x2001:
+	   return "Message not supported in current state";
+	case 0x2002:
+	   return "Illegal Controller / PLCI / NCCI";
+	case 0x2003:
+	   return "Out of PLCI";
+	case 0x2004:
+	   return "Out of NCCI";
+	case 0x2005:
+	   return "Out of LISTEN";
+	case 0x2006:
+	   return "Out of FAX resources (protocol T.30)";
+	case 0x2007:
+	   return "Illegal message parameter coding";
+
+/*-- error information concerning requested services  -----*/
+	case 0x3001:
+	   return "B1 protocol not supported";
+	case 0x3002: 
+	   return "B2 protocol not supported";
+	case 0x3003: 
+	   return "B3 protocol not supported";
+	case 0x3004: 
+	   return "B1 protocol parameter not supported";
+	case 0x3005: 
+	   return "B2 protocol parameter not supported";
+	case 0x3006: 
+	   return "B3 protocol parameter not supported";
+	case 0x3007: 
+	   return "B protocol combination not supported";
+	case 0x3008: 
+	   return "NCPI not supported";
+	case 0x3009: 
+	   return "CIP Value unknown";
+	case 0x300A: 
+	   return "Flags not supported (reserved bits)";
+	case 0x300B: 
+	   return "Facility not supported";
+	case 0x300C: 
+	   return "Data length not supported by current protocol";
+	case 0x300D: 
+	   return "Reset procedure not supported by current protocol";
+
+/*-- informations about the clearing of a physical connection -----*/
+	case 0x3301: 
+	   return "Protocol error layer 1 (broken line or B-channel removed by signalling protocol)";
+	case 0x3302: 
+	   return "Protocol error layer 2";
+	case 0x3303: 
+	   return "Protocol error layer 3";
+	case 0x3304: 
+	   return "Another application got that call";
+/*-- T.30 specific reasons -----*/
+	case 0x3311: 
+	   return "Connecting not successful (remote station is no FAX G3 machine)";
+	case 0x3312: 
+	   return "Connecting not successful (training error)";
+	case 0x3313: 
+	   return "Disconnected before transfer (remote station does not support transfer mode, e.g. resolution)";
+	case 0x3314: 
+	   return "Disconnected during transfer (remote abort)";
+	case 0x3315: 
+	   return "Disconnected during transfer (remote procedure error, e.g. unsuccessful repetition of T.30 commands)";
+	case 0x3316: 
+	   return "Disconnected during transfer (local tx data underrun)";
+	case 0x3317: 
+	   return "Disconnected during transfer (local rx data overflow)";
+	case 0x3318: 
+	   return "Disconnected during transfer (local abort)";
+	case 0x3319: 
+	   return "Illegal parameter coding (e.g. SFF coding error)";
+
+/*-- disconnect causes from the network according to ETS 300 102-1/Q.931 -----*/
+	case 0x3481: return "Unallocated (unassigned) number";
+	case 0x3482: return "No route to specified transit network";
+	case 0x3483: return "No route to destination";
+	case 0x3486: return "Channel unacceptable";
+	case 0x3487: 
+	   return "Call awarded and being delivered in an established channel";
+	case 0x3490: return "Normal call clearing";
+	case 0x3491: return "User busy";
+	case 0x3492: return "No user responding";
+	case 0x3493: return "No answer from user (user alerted)";
+	case 0x3495: return "Call rejected";
+	case 0x3496: return "Number changed";
+	case 0x349A: return "Non-selected user clearing";
+	case 0x349B: return "Destination out of order";
+	case 0x349C: return "Invalid number format";
+	case 0x349D: return "Facility rejected";
+	case 0x349E: return "Response to STATUS ENQUIRY";
+	case 0x349F: return "Normal, unspecified";
+	case 0x34A2: return "No circuit / channel available";
+	case 0x34A6: return "Network out of order";
+	case 0x34A9: return "Temporary failure";
+	case 0x34AA: return "Switching equipment congestion";
+	case 0x34AB: return "Access information discarded";
+	case 0x34AC: return "Requested circuit / channel not available";
+	case 0x34AF: return "Resources unavailable, unspecified";
+	case 0x34B1: return "Quality of service unavailable";
+	case 0x34B2: return "Requested facility not subscribed";
+	case 0x34B9: return "Bearer capability not authorized";
+	case 0x34BA: return "Bearer capability not presently available";
+	case 0x34BF: return "Service or option not available, unspecified";
+	case 0x34C1: return "Bearer capability not implemented";
+	case 0x34C2: return "Channel type not implemented";
+	case 0x34C5: return "Requested facility not implemented";
+	case 0x34C6: return "Only restricted digital information bearer capability is available";
+	case 0x34CF: return "Service or option not implemented, unspecified";
+	case 0x34D1: return "Invalid call reference value";
+	case 0x34D2: return "Identified channel does not exist";
+	case 0x34D3: return "A suspended call exists, but this call identity does not";
+	case 0x34D4: return "Call identity in use";
+	case 0x34D5: return "No call suspended";
+	case 0x34D6: return "Call having the requested call identity has been cleared";
+	case 0x34D8: return "Incompatible destination";
+	case 0x34DB: return "Invalid transit network selection";
+	case 0x34DF: return "Invalid message, unspecified";
+	case 0x34E0: return "Mandatory information element is missing";
+	case 0x34E1: return "Message type non-existent or not implemented";
+	case 0x34E2: return "Message not compatible with call state or message type non-existent or not implemented";
+	case 0x34E3: return "Information element non-existent or not implemented";
+	case 0x34E4: return "Invalid information element contents";
+	case 0x34E5: return "Message not compatible with call state";
+	case 0x34E6: return "Recovery on timer expiry";
+	case 0x34EF: return "Protocol error, unspecified";
+	case 0x34FF: return "Interworking, unspecified";
+
+	default: return "No additional information";
+    }
+}
+#endif
+
+typedef struct {
+	int typ;
+	size_t off;
+} _cdef;
+
+#define _CBYTE	       1
+#define _CWORD	       2
+#define _CDWORD        3
+#define _CSTRUCT       4
+#define _CMSTRUCT      5
+#define _CEND	       6
+
+static _cdef cdef[] =
+{
+    /*00 */ 
+ {_CEND},
+    /*01 */ 
+ {_CEND},
+    /*02 */ 
+ {_CEND},
+    /*03 */ 
+ {_CDWORD, offsetof(_cmsg, adr.adrController)},
+    /*04 */ 
+ {_CMSTRUCT, offsetof(_cmsg, AdditionalInfo)},
+    /*05 */ 
+ {_CSTRUCT, offsetof(_cmsg, B1configuration)},
+    /*06 */ 
+ {_CWORD, offsetof(_cmsg, B1protocol)},
+    /*07 */ 
+ {_CSTRUCT, offsetof(_cmsg, B2configuration)},
+    /*08 */ 
+ {_CWORD, offsetof(_cmsg, B2protocol)},
+    /*09 */ 
+ {_CSTRUCT, offsetof(_cmsg, B3configuration)},
+    /*0a */ 
+ {_CWORD, offsetof(_cmsg, B3protocol)},
+    /*0b */ 
+ {_CSTRUCT, offsetof(_cmsg, BC)},
+    /*0c */ 
+ {_CSTRUCT, offsetof(_cmsg, BChannelinformation)},
+    /*0d */ 
+ {_CMSTRUCT, offsetof(_cmsg, BProtocol)},
+    /*0e */ 
+ {_CSTRUCT, offsetof(_cmsg, CalledPartyNumber)},
+    /*0f */ 
+ {_CSTRUCT, offsetof(_cmsg, CalledPartySubaddress)},
+    /*10 */ 
+ {_CSTRUCT, offsetof(_cmsg, CallingPartyNumber)},
+    /*11 */ 
+ {_CSTRUCT, offsetof(_cmsg, CallingPartySubaddress)},
+    /*12 */ 
+ {_CDWORD, offsetof(_cmsg, CIPmask)},
+    /*13 */ 
+ {_CDWORD, offsetof(_cmsg, CIPmask2)},
+    /*14 */ 
+ {_CWORD, offsetof(_cmsg, CIPValue)},
+    /*15 */ 
+ {_CDWORD, offsetof(_cmsg, Class)},
+    /*16 */ 
+ {_CSTRUCT, offsetof(_cmsg, ConnectedNumber)},
+    /*17 */ 
+ {_CSTRUCT, offsetof(_cmsg, ConnectedSubaddress)},
+    /*18 */ 
+ {_CDWORD, offsetof(_cmsg, Data)},
+    /*19 */ 
+ {_CWORD, offsetof(_cmsg, DataHandle)},
+    /*1a */ 
+ {_CWORD, offsetof(_cmsg, DataLength)},
+    /*1b */ 
+ {_CSTRUCT, offsetof(_cmsg, FacilityConfirmationParameter)},
+    /*1c */ 
+ {_CSTRUCT, offsetof(_cmsg, Facilitydataarray)},
+    /*1d */ 
+ {_CSTRUCT, offsetof(_cmsg, FacilityIndicationParameter)},
+    /*1e */ 
+ {_CSTRUCT, offsetof(_cmsg, FacilityRequestParameter)},
+    /*1f */ 
+ {_CWORD, offsetof(_cmsg, FacilitySelector)},
+    /*20 */ 
+ {_CWORD, offsetof(_cmsg, Flags)},
+    /*21 */ 
+ {_CDWORD, offsetof(_cmsg, Function)},
+    /*22 */ 
+ {_CSTRUCT, offsetof(_cmsg, HLC)},
+    /*23 */ 
+ {_CWORD, offsetof(_cmsg, Info)},
+    /*24 */ 
+ {_CSTRUCT, offsetof(_cmsg, InfoElement)},
+    /*25 */ 
+ {_CDWORD, offsetof(_cmsg, InfoMask)},
+    /*26 */ 
+ {_CWORD, offsetof(_cmsg, InfoNumber)},
+    /*27 */ 
+ {_CSTRUCT, offsetof(_cmsg, Keypadfacility)},
+    /*28 */ 
+ {_CSTRUCT, offsetof(_cmsg, LLC)},
+    /*29 */ 
+ {_CSTRUCT, offsetof(_cmsg, ManuData)},
+    /*2a */ 
+ {_CDWORD, offsetof(_cmsg, ManuID)},
+    /*2b */ 
+ {_CSTRUCT, offsetof(_cmsg, NCPI)},
+    /*2c */ 
+ {_CWORD, offsetof(_cmsg, Reason)},
+    /*2d */ 
+ {_CWORD, offsetof(_cmsg, Reason_B3)},
+    /*2e */ 
+ {_CWORD, offsetof(_cmsg, Reject)},
+    /*2f */ 
+ {_CSTRUCT, offsetof(_cmsg, Useruserdata)}
+};
+
+static unsigned char *cpars[] =
+{
+    /*00 */ 0,
+    /*01 ALERT_REQ */ (unsigned char *) "\x03\x04\x0c\x27\x2f\x1c\x01\x01",
+    /*02 CONNECT_REQ */ (unsigned char *) "\x03\x14\x0e\x10\x0f\x11\x0d\x06\x08\x0a\x05\x07\x09\x01\x0b\x28\x22\x04\x0c\x27\x2f\x1c\x01\x01",
+    /*03 */ 0,
+    /*04 DISCONNECT_REQ */ (unsigned char *) "\x03\x04\x0c\x27\x2f\x1c\x01\x01",
+    /*05 LISTEN_REQ */ (unsigned char *) "\x03\x25\x12\x13\x10\x11\x01",
+    /*06 */ 0,
+    /*07 */ 0,
+    /*08 INFO_REQ */ (unsigned char *) "\x03\x0e\x04\x0c\x27\x2f\x1c\x01\x01",
+    /*09 FACILITY_REQ */ (unsigned char *) "\x03\x1f\x1e\x01",
+    /*0a SELECT_B_PROTOCOL_REQ */ (unsigned char *) "\x03\x0d\x06\x08\x0a\x05\x07\x09\x01\x01",
+    /*0b CONNECT_B3_REQ */ (unsigned char *) "\x03\x2b\x01",
+    /*0c */ 0,
+    /*0d DISCONNECT_B3_REQ */ (unsigned char *) "\x03\x2b\x01",
+    /*0e */ 0,
+    /*0f DATA_B3_REQ */ (unsigned char *) "\x03\x18\x1a\x19\x20\x01",
+    /*10 RESET_B3_REQ */ (unsigned char *) "\x03\x2b\x01",
+    /*11 */ 0,
+    /*12 */ 0,
+    /*13 ALERT_CONF */ (unsigned char *) "\x03\x23\x01",
+    /*14 CONNECT_CONF */ (unsigned char *) "\x03\x23\x01",
+    /*15 */ 0,
+    /*16 DISCONNECT_CONF */ (unsigned char *) "\x03\x23\x01",
+    /*17 LISTEN_CONF */ (unsigned char *) "\x03\x23\x01",
+    /*18 MANUFACTURER_REQ */ (unsigned char *) "\x03\x2a\x15\x21\x29\x01",
+    /*19 */ 0,
+    /*1a INFO_CONF */ (unsigned char *) "\x03\x23\x01",
+    /*1b FACILITY_CONF */ (unsigned char *) "\x03\x23\x1f\x1b\x01",
+    /*1c SELECT_B_PROTOCOL_CONF */ (unsigned char *) "\x03\x23\x01",
+    /*1d CONNECT_B3_CONF */ (unsigned char *) "\x03\x23\x01",
+    /*1e */ 0,
+    /*1f DISCONNECT_B3_CONF */ (unsigned char *) "\x03\x23\x01",
+    /*20 */ 0,
+    /*21 DATA_B3_CONF */ (unsigned char *) "\x03\x19\x23\x01",
+    /*22 RESET_B3_CONF */ (unsigned char *) "\x03\x23\x01",
+    /*23 */ 0,
+    /*24 */ 0,
+    /*25 */ 0,
+    /*26 CONNECT_IND */ (unsigned char *) "\x03\x14\x0e\x10\x0f\x11\x0b\x28\x22\x04\x0c\x27\x2f\x1c\x01\x01",
+    /*27 CONNECT_ACTIVE_IND */ (unsigned char *) "\x03\x16\x17\x28\x01",
+    /*28 DISCONNECT_IND */ (unsigned char *) "\x03\x2c\x01",
+    /*29 */ 0,
+    /*2a MANUFACTURER_CONF */ (unsigned char *) "\x03\x2a\x15\x21\x29\x01",
+    /*2b */ 0,
+    /*2c INFO_IND */ (unsigned char *) "\x03\x26\x24\x01",
+    /*2d FACILITY_IND */ (unsigned char *) "\x03\x1f\x1d\x01",
+    /*2e */ 0,
+    /*2f CONNECT_B3_IND */ (unsigned char *) "\x03\x2b\x01",
+    /*30 CONNECT_B3_ACTIVE_IND */ (unsigned char *) "\x03\x2b\x01",
+    /*31 DISCONNECT_B3_IND */ (unsigned char *) "\x03\x2d\x2b\x01",
+    /*32 */ 0,
+    /*33 DATA_B3_IND */ (unsigned char *) "\x03\x18\x1a\x19\x20\x01",
+    /*34 RESET_B3_IND */ (unsigned char *) "\x03\x2b\x01",
+    /*35 CONNECT_B3_T90_ACTIVE_IND */ (unsigned char *) "\x03\x2b\x01",
+    /*36 */ 0,
+    /*37 */ 0,
+    /*38 CONNECT_RESP */ (unsigned char *) "\x03\x2e\x0d\x06\x08\x0a\x05\x07\x09\x01\x16\x17\x28\x04\x0c\x27\x2f\x1c\x01\x01",
+    /*39 CONNECT_ACTIVE_RESP */ (unsigned char *) "\x03\x01",
+    /*3a DISCONNECT_RESP */ (unsigned char *) "\x03\x01",
+    /*3b */ 0,
+    /*3c MANUFACTURER_IND */ (unsigned char *) "\x03\x2a\x15\x21\x29\x01",
+    /*3d */ 0,
+    /*3e INFO_RESP */ (unsigned char *) "\x03\x01",
+    /*3f FACILITY_RESP */ (unsigned char *) "\x03\x1f\x01",
+    /*40 */ 0,
+    /*41 CONNECT_B3_RESP */ (unsigned char *) "\x03\x2e\x2b\x01",
+    /*42 CONNECT_B3_ACTIVE_RESP */ (unsigned char *) "\x03\x01",
+    /*43 DISCONNECT_B3_RESP */ (unsigned char *) "\x03\x01",
+    /*44 */ 0,
+    /*45 DATA_B3_RESP */ (unsigned char *) "\x03\x19\x01",
+    /*46 RESET_B3_RESP */ (unsigned char *) "\x03\x01",
+    /*47 CONNECT_B3_T90_ACTIVE_RESP */ (unsigned char *) "\x03\x01",
+    /*48 */ 0,
+    /*49 */ 0,
+    /*4a */ 0,
+    /*4b */ 0,
+    /*4c */ 0,
+    /*4d */ 0,
+    /*4e MANUFACTURER_RESP */ (unsigned char *) "\x03\x2a\x15\x21\x29\x01",
+};
+
+/*-------------------------------------------------------*/
+
+#define byteTLcpy(x,y)        *(__u8 *)(x)=*(__u8 *)(y);
+#define wordTLcpy(x,y)        *(__u16 *)(x)=*(__u16 *)(y);
+#define dwordTLcpy(x,y)       memcpy(x,y,4);
+#define structTLcpy(x,y,l)    memcpy (x,y,l)
+#define structTLcpyovl(x,y,l) memmove (x,y,l)
+
+#define byteTRcpy(x,y)        *(__u8 *)(y)=*(__u8 *)(x);
+#define wordTRcpy(x,y)        *(__u16 *)(y)=*(__u16 *)(x);
+#define dwordTRcpy(x,y)       memcpy(y,x,4);
+#define structTRcpy(x,y,l)    memcpy (y,x,l)
+#define structTRcpyovl(x,y,l) memmove (y,x,l)
+
+/*-------------------------------------------------------*/
+static unsigned command_2_index(unsigned c, unsigned sc)
+{
+	if (c & 0x80)
+		c = 0x9 + (c & 0x0f);
+	else if (c <= 0x0f);
+	else if (c == 0x41)
+		c = 0x9 + 0x1;
+	else if (c == 0xff)
+		c = 0x00;
+	return (sc & 3) * (0x9 + 0x9) + c;
+}
+
+/*-------------------------------------------------------*/
+#define TYP (cdef[cmsg->par[cmsg->p]].typ)
+#define OFF (((__u8 *)cmsg)+cdef[cmsg->par[cmsg->p]].off)
+
+static void jumpcstruct(_cmsg * cmsg)
+{
+	unsigned layer;
+	for (cmsg->p++, layer = 1; layer;) {
+		/* $$$$$ assert (cmsg->p); */
+		cmsg->p++;
+		switch (TYP) {
+		case _CMSTRUCT:
+			layer++;
+			break;
+		case _CEND:
+			layer--;
+			break;
+		}
+	}
+}
+/*-------------------------------------------------------*/
+static void pars_2_message(_cmsg * cmsg)
+{
+
+	for (; TYP != _CEND; cmsg->p++) {
+		switch (TYP) {
+		case _CBYTE:
+			byteTLcpy(cmsg->m + cmsg->l, OFF);
+			cmsg->l++;
+			break;
+		case _CWORD:
+			wordTLcpy(cmsg->m + cmsg->l, OFF);
+			cmsg->l += 2;
+			break;
+		case _CDWORD:
+			dwordTLcpy(cmsg->m + cmsg->l, OFF);
+			cmsg->l += 4;
+			break;
+		case _CSTRUCT:
+			if (*(__u8 **) OFF == 0) {
+				*(cmsg->m + cmsg->l) = '\0';
+				cmsg->l++;
+			} else if (**(_cstruct *) OFF != 0xff) {
+				structTLcpy(cmsg->m + cmsg->l, *(_cstruct *) OFF, 1 + **(_cstruct *) OFF);
+				cmsg->l += 1 + **(_cstruct *) OFF;
+			} else {
+				_cstruct s = *(_cstruct *) OFF;
+				structTLcpy(cmsg->m + cmsg->l, s, 3 + *(__u16 *) (s + 1));
+				cmsg->l += 3 + *(__u16 *) (s + 1);
+			}
+			break;
+		case _CMSTRUCT:
+/*----- Metastruktur 0 -----*/
+			if (*(_cmstruct *) OFF == CAPI_DEFAULT) {
+				*(cmsg->m + cmsg->l) = '\0';
+				cmsg->l++;
+				jumpcstruct(cmsg);
+			}
+/*----- Metastruktur wird composed -----*/
+			else {
+				unsigned _l = cmsg->l;
+				unsigned _ls;
+				cmsg->l++;
+				cmsg->p++;
+				pars_2_message(cmsg);
+				_ls = cmsg->l - _l - 1;
+				if (_ls < 255)
+					(cmsg->m + _l)[0] = (__u8) _ls;
+				else {
+					structTLcpyovl(cmsg->m + _l + 3, cmsg->m + _l + 1, _ls);
+					(cmsg->m + _l)[0] = 0xff;
+					wordTLcpy(cmsg->m + _l + 1, &_ls);
+				}
+			}
+			break;
+		}
+	}
+}
+
+/*-------------------------------------------------------*/
+unsigned capi_cmsg2message(_cmsg * cmsg, __u8 * msg)
+{
+	cmsg->m = msg;
+	cmsg->l = 8;
+	cmsg->p = 0;
+	cmsg->par = cpars[command_2_index(cmsg->Command, cmsg->Subcommand)];
+
+	pars_2_message(cmsg);
+
+	wordTLcpy(msg + 0, &cmsg->l);
+	byteTLcpy(cmsg->m + 4, &cmsg->Command);
+	byteTLcpy(cmsg->m + 5, &cmsg->Subcommand);
+	wordTLcpy(cmsg->m + 2, &cmsg->ApplId);
+	wordTLcpy(cmsg->m + 6, &cmsg->Messagenumber);
+
+	return 0;
+}
+
+/*-------------------------------------------------------*/
+static void message_2_pars(_cmsg * cmsg)
+{
+	for (; TYP != _CEND; cmsg->p++) {
+
+		switch (TYP) {
+		case _CBYTE:
+			byteTRcpy(cmsg->m + cmsg->l, OFF);
+			cmsg->l++;
+			break;
+		case _CWORD:
+			wordTRcpy(cmsg->m + cmsg->l, OFF);
+			cmsg->l += 2;
+			break;
+		case _CDWORD:
+			dwordTRcpy(cmsg->m + cmsg->l, OFF);
+			cmsg->l += 4;
+			break;
+		case _CSTRUCT:
+			*(__u8 **) OFF = cmsg->m + cmsg->l;
+
+			if (cmsg->m[cmsg->l] != 0xff)
+				cmsg->l += 1 + cmsg->m[cmsg->l];
+			else
+				cmsg->l += 3 + *(__u16 *) (cmsg->m + cmsg->l + 1);
+			break;
+		case _CMSTRUCT:
+/*----- Metastruktur 0 -----*/
+			if (cmsg->m[cmsg->l] == '\0') {
+				*(_cmstruct *) OFF = CAPI_DEFAULT;
+				cmsg->l++;
+				jumpcstruct(cmsg);
+			} else {
+				unsigned _l = cmsg->l;
+				*(_cmstruct *) OFF = CAPI_COMPOSE;
+				cmsg->l = (cmsg->m + _l)[0] == 255 ? cmsg->l + 3 : cmsg->l + 1;
+				cmsg->p++;
+				message_2_pars(cmsg);
+			}
+			break;
+		}
+	}
+}
+
+/*-------------------------------------------------------*/
+unsigned capi_message2cmsg(_cmsg * cmsg, __u8 * msg)
+{
+	memset(cmsg, 0, sizeof(_cmsg));
+	cmsg->m = msg;
+	cmsg->l = 8;
+	cmsg->p = 0;
+	byteTRcpy(cmsg->m + 4, &cmsg->Command);
+	byteTRcpy(cmsg->m + 5, &cmsg->Subcommand);
+	cmsg->par = cpars[command_2_index(cmsg->Command, cmsg->Subcommand)];
+
+	message_2_pars(cmsg);
+
+	wordTRcpy(msg + 0, &cmsg->l);
+	wordTRcpy(cmsg->m + 2, &cmsg->ApplId);
+	wordTRcpy(cmsg->m + 6, &cmsg->Messagenumber);
+
+	return 0;
+}
+
+/*-------------------------------------------------------*/
+unsigned capi_cmsg_header(_cmsg * cmsg, __u16 _ApplId,
+			  __u8 _Command, __u8 _Subcommand,
+			  __u16 _Messagenumber, __u32 _Controller)
+{
+	memset(cmsg, 0, sizeof(_cmsg));
+	cmsg->ApplId = _ApplId;
+	cmsg->Command = _Command;
+	cmsg->Subcommand = _Subcommand;
+	cmsg->Messagenumber = _Messagenumber;
+	cmsg->adr.adrController = _Controller;
+	return 0;
+}
+
+/*-------------------------------------------------------*/
+
+static char *mnames[] =
+{
+	0,
+	"ALERT_REQ",
+	"CONNECT_REQ",
+	0,
+	"DISCONNECT_REQ",
+	"LISTEN_REQ",
+	0,
+	0,
+	"INFO_REQ",
+	"FACILITY_REQ",
+	"SELECT_B_PROTOCOL_REQ",
+	"CONNECT_B3_REQ",
+	0,
+	"DISCONNECT_B3_REQ",
+	0,
+	"DATA_B3_REQ",
+	"RESET_B3_REQ",
+	0,
+	0,
+	"ALERT_CONF",
+	"CONNECT_CONF",
+	0,
+	"DISCONNECT_CONF",
+	"LISTEN_CONF",
+	"MANUFACTURER_REQ",
+	0,
+	"INFO_CONF",
+	"FACILITY_CONF",
+	"SELECT_B_PROTOCOL_CONF",
+	"CONNECT_B3_CONF",
+	0,
+	"DISCONNECT_B3_CONF",
+	0,
+	"DATA_B3_CONF",
+	"RESET_B3_CONF",
+	0,
+	0,
+	0,
+	"CONNECT_IND",
+	"CONNECT_ACTIVE_IND",
+	"DISCONNECT_IND",
+	0,
+	"MANUFACTURER_CONF",
+	0,
+	"INFO_IND",
+	"FACILITY_IND",
+	0,
+	"CONNECT_B3_IND",
+	"CONNECT_B3_ACTIVE_IND",
+	"DISCONNECT_B3_IND",
+	0,
+	"DATA_B3_IND",
+	"RESET_B3_IND",
+	"CONNECT_B3_T90_ACTIVE_IND",
+	0,
+	0,
+	"CONNECT_RESP",
+	"CONNECT_ACTIVE_RESP",
+	"DISCONNECT_RESP",
+	0,
+	"MANUFACTURER_IND",
+	0,
+	"INFO_RESP",
+	"FACILITY_RESP",
+	0,
+	"CONNECT_B3_RESP",
+	"CONNECT_B3_ACTIVE_RESP",
+	"DISCONNECT_B3_RESP",
+	0,
+	"DATA_B3_RESP",
+	"RESET_B3_RESP",
+	"CONNECT_B3_T90_ACTIVE_RESP",
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	"MANUFACTURER_RESP"
+};
+
+char *capi_cmd2str(__u8 cmd, __u8 subcmd)
+{
+	return mnames[command_2_index(cmd, subcmd)];
+}
+
+
+/*-------------------------------------------------------*/
+/*-------------------------------------------------------*/
+
+static char *pnames[] =
+{
+    /*00 */ 0,
+    /*01 */ 0,
+    /*02 */ 0,
+    /*03 */ "Controller/PLCI/NCCI",
+    /*04 */ "AdditionalInfo",
+    /*05 */ "B1configuration",
+    /*06 */ "B1protocol",
+    /*07 */ "B2configuration",
+    /*08 */ "B2protocol",
+    /*09 */ "B3configuration",
+    /*0a */ "B3protocol",
+    /*0b */ "BC",
+    /*0c */ "BChannelinformation",
+    /*0d */ "BProtocol",
+    /*0e */ "CalledPartyNumber",
+    /*0f */ "CalledPartySubaddress",
+    /*10 */ "CallingPartyNumber",
+    /*11 */ "CallingPartySubaddress",
+    /*12 */ "CIPmask",
+    /*13 */ "CIPmask2",
+    /*14 */ "CIPValue",
+    /*15 */ "Class",
+    /*16 */ "ConnectedNumber",
+    /*17 */ "ConnectedSubaddress",
+    /*18 */ "Data",
+    /*19 */ "DataHandle",
+    /*1a */ "DataLength",
+    /*1b */ "FacilityConfirmationParameter",
+    /*1c */ "Facilitydataarray",
+    /*1d */ "FacilityIndicationParameter",
+    /*1e */ "FacilityRequestParameter",
+    /*1f */ "FacilitySelector",
+    /*20 */ "Flags",
+    /*21 */ "Function",
+    /*22 */ "HLC",
+    /*23 */ "Info",
+    /*24 */ "InfoElement",
+    /*25 */ "InfoMask",
+    /*26 */ "InfoNumber",
+    /*27 */ "Keypadfacility",
+    /*28 */ "LLC",
+    /*29 */ "ManuData",
+    /*2a */ "ManuID",
+    /*2b */ "NCPI",
+    /*2c */ "Reason",
+    /*2d */ "Reason_B3",
+    /*2e */ "Reject",
+    /*2f */ "Useruserdata"
+};
+
+
+static char buf[8192];
+static char *p = 0;
+
+#include <stdarg.h>
+
+/*-------------------------------------------------------*/
+static void bufprint(char *fmt,...)
+{
+	va_list f;
+	va_start(f, fmt);
+	vsprintf(p, fmt, f);
+	va_end(f);
+	p += strlen(p);
+}
+
+static void printstructlen(__u8 * m, unsigned len)
+{
+	unsigned hex = 0;
+	for (; len; len--, m++)
+		if (isalnum(*m) || *m == ' ') {
+			if (hex)
+				bufprint(">");
+			bufprint("%c", *m);
+			hex = 0;
+		} else {
+			if (!hex)
+				bufprint("<%02x", *m);
+			else
+				bufprint(" %02x", *m);
+			hex = 1;
+		}
+	if (hex)
+		bufprint(">");
+}
+
+static void printstruct(__u8 * m)
+{
+	unsigned len;
+	if (m[0] != 0xff) {
+		len = m[0];
+		m += 1;
+	} else {
+		len = ((__u16 *) (m + 1))[0];
+		m += 3;
+	}
+	printstructlen(m, len);
+}
+
+/*-------------------------------------------------------*/
+#define NAME (pnames[cmsg->par[cmsg->p]])
+
+static void protocol_message_2_pars(_cmsg * cmsg, int level)
+{
+	for (; TYP != _CEND; cmsg->p++) {
+		int slen = 29 + 3 - level;
+		int i;
+
+		bufprint("  ");
+		for (i = 0; i < level - 1; i++)
+			bufprint(" ");
+
+		switch (TYP) {
+		case _CBYTE:
+			bufprint("%-*s = 0x%x\n", slen, NAME, *(__u8 *) (cmsg->m + cmsg->l));
+			cmsg->l++;
+			break;
+		case _CWORD:
+			bufprint("%-*s = 0x%x\n", slen, NAME, *(__u16 *) (cmsg->m + cmsg->l));
+			cmsg->l += 2;
+			break;
+		case _CDWORD:
+			if (strcmp(NAME, "Data") == 0) {
+				bufprint("%-*s = ", slen, NAME);
+				printstructlen((__u8 *) * (__u32 *) (cmsg->m + cmsg->l),
+					       *(__u16 *) (cmsg->m + cmsg->l + sizeof(__u32)));
+				bufprint("\n");
+			} else
+				bufprint("%-*s = 0x%lx\n", slen, NAME, *(__u32 *) (cmsg->m + cmsg->l));
+			cmsg->l += 4;
+			break;
+		case _CSTRUCT:
+			bufprint("%-*s = ", slen, NAME);
+			if (cmsg->m[cmsg->l] == '\0')
+				bufprint("default");
+			else
+				printstruct(cmsg->m + cmsg->l);
+			bufprint("\n");
+			if (cmsg->m[cmsg->l] != 0xff)
+				cmsg->l += 1 + cmsg->m[cmsg->l];
+			else
+				cmsg->l += 3 + *(__u16 *) (cmsg->m + cmsg->l + 1);
+
+			break;
+
+		case _CMSTRUCT:
+/*----- Metastruktur 0 -----*/
+			if (cmsg->m[cmsg->l] == '\0') {
+				bufprint("%-*s = default\n", slen, NAME);
+				cmsg->l++;
+				jumpcstruct(cmsg);
+			} else {
+				char *name = NAME;
+				unsigned _l = cmsg->l;
+				bufprint("%-*s\n", slen, name);
+				cmsg->l = (cmsg->m + _l)[0] == 255 ? cmsg->l + 3 : cmsg->l + 1;
+				cmsg->p++;
+				protocol_message_2_pars(cmsg, level + 1);
+			}
+			break;
+		}
+	}
+}
+/*-------------------------------------------------------*/
+char *capi_message2str(__u8 * msg)
+{
+
+	_cmsg cmsg;
+	p = buf;
+	p[0] = 0;
+
+	cmsg.m = msg;
+	cmsg.l = 8;
+	cmsg.p = 0;
+	byteTRcpy(cmsg.m + 4, &cmsg.Command);
+	byteTRcpy(cmsg.m + 5, &cmsg.Subcommand);
+	cmsg.par = cpars[command_2_index(cmsg.Command, cmsg.Subcommand)];
+
+	bufprint("%-26s ID=%03d #0x%04x LEN=%04d\n",
+		 mnames[command_2_index(cmsg.Command, cmsg.Subcommand)],
+		 ((unsigned short *) msg)[1],
+		 ((unsigned short *) msg)[3],
+		 ((unsigned short *) msg)[0]);
+
+	protocol_message_2_pars(&cmsg, 1);
+	return buf;
+}
+
+char *capi_cmsg2str(_cmsg * cmsg)
+{
+	p = buf;
+	p[0] = 0;
+	cmsg->l = 8;
+	cmsg->p = 0;
+	bufprint("%s ID=%03d #0x%04x LEN=%04d\n",
+		 mnames[command_2_index(cmsg->Command, cmsg->Subcommand)],
+		 ((__u16 *) cmsg->m)[1],
+		 ((__u16 *) cmsg->m)[3],
+		 ((__u16 *) cmsg->m)[0]);
+	protocol_message_2_pars(cmsg, 1);
+	return buf;
+}
+
+
+#ifdef HAS_NEW_SYMTAB
+EXPORT_SYMBOL(capi_cmsg2message);
+EXPORT_SYMBOL(capi_message2cmsg);
+EXPORT_SYMBOL(capi_cmsg_header);
+EXPORT_SYMBOL(capi_cmd2str);
+EXPORT_SYMBOL(capi_cmsg2str);
+EXPORT_SYMBOL(capi_message2str);
+#else
+static struct symbol_table capifunc_syms =
+{
+#include <linux/symtab_begin.h>
+	X(capi_cmsg2message),
+	X(capi_message2cmsg),
+	X(capi_cmsg_header),
+	X(capi_cmd2str),
+	X(capi_cmsg2str),
+	X(capi_message2str),
+	X(capi_info2str),
+#include <linux/symtab_end.h>
+};
+#endif
+
+#ifdef MODULE
+
+int init_module(void)
+{
+#ifndef HAS_NEW_SYMTAB
+	register_symtab(&capifunc_syms);
+#endif
+	return 0;
+}
+
+void cleanup_module(void)
+{
+}
+
+#endif

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TCL-scripts by Sam Shen, slshen@lbl.gov