drivers/isdn/avmb1/capiutil.c

   1 /* $Id: capiutil.c,v 1.1.1.1 2005/04/11 02:50:22 jack Exp $
   2  *
   3  * CAPI 2.0 convert capi message to capi message struct
   4  *
   5  * From CAPI 2.0 Development Kit AVM 1995 (msg.c)
   6  * Rewritten for Linux 1996 by Carsten Paeth <calle@calle.de>
   7  *
   8  * This software may be used and distributed according to the terms
   9  * of the GNU General Public License, incorporated herein by reference.
  10  *
  11  */
  12
  13 #include <linux/module.h>
  14 #include <linux/string.h>
  15 #include <linux/ctype.h>
  16 #include <linux/stddef.h>
  17 #include <linux/kernel.h>
  18 #include <linux/mm.h>
  19 #include <linux/init.h>
  20 #include <asm/segment.h>
  21 #include <linux/config.h>
  22 #include "capiutil.h"
  23
  24 MODULE_DESCRIPTION("CAPI4Linux: CAPI message conversion support");
  25 MODULE_AUTHOR("Carsten Paeth");
  26 MODULE_LICENSE("GPL");
  27
  28 /* from CAPI2.0 DDK AVM Berlin GmbH */
  29
  30 #ifndef CONFIG_ISDN_DRV_AVMB1_VERBOSE_REASON
  31 char *capi_info2str(__u16 reason)
  32 {
  33     return "..";
  34 }
  35 #else
  36 char *capi_info2str(__u16 reason)
  37 {
  38     switch (reason) {
  39
  40 /*-- informative values (corresponding message was processed) -----*/
  41         case 0x0001:
  42            return "NCPI not supported by current protocol, NCPI ignored";
  43         case 0x0002:
  44            return "Flags not supported by current protocol, flags ignored";
  45         case 0x0003:
  46            return "Alert already sent by another application";
  47
  48 /*-- error information concerning CAPI_REGISTER -----*/
  49         case 0x1001:
  50            return "Too many applications";
  51         case 0x1002:
  52            return "Logical block size too small, must be at least 128 Bytes";
  53         case 0x1003:
  54            return "Buffer exceeds 64 kByte";
  55         case 0x1004:
  56            return "Message buffer size too small, must be at least 1024 Bytes";
  57         case 0x1005:
  58            return "Max. number of logical connections not supported";
  59         case 0x1006:
  60            return "Reserved";
  61         case 0x1007:
  62            return "The message could not be accepted because of an internal busy condition";
  63         case 0x1008:
  64            return "OS resource error (no memory ?)";
  65         case 0x1009:
  66            return "CAPI not installed";
  67         case 0x100A:
  68            return "Controller does not support external equipment";
  69         case 0x100B:
  70            return "Controller does only support external equipment";
  71
  72 /*-- error information concerning message exchange functions -----*/
  73         case 0x1101:
  74            return "Illegal application number";
  75         case 0x1102:
  76            return "Illegal command or subcommand or message length less than 12 bytes";
  77         case 0x1103:
  78            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";
  79         case 0x1104:
  80            return "Queue is empty";
  81         case 0x1105:
  82            return "Queue overflow, a message was lost !! This indicates a configuration error. The only recovery from this error is to perform a CAPI_RELEASE";
  83         case 0x1106:
  84            return "Unknown notification parameter";
  85         case 0x1107:
  86            return "The Message could not be accepted because of an internal busy condition";
  87         case 0x1108:
  88            return "OS Resource error (no memory ?)";
  89         case 0x1109:
  90            return "CAPI not installed";
  91         case 0x110A:
  92            return "Controller does not support external equipment";
  93         case 0x110B:
  94            return "Controller does only support external equipment";
  95
  96 /*-- error information concerning resource / coding problems -----*/
  97         case 0x2001:
  98            return "Message not supported in current state";
  99         case 0x2002:
 100            return "Illegal Controller / PLCI / NCCI";
 101         case 0x2003:
 102            return "Out of PLCI";
 103         case 0x2004:
 104            return "Out of NCCI";
 105         case 0x2005:
 106            return "Out of LISTEN";
 107         case 0x2006:
 108            return "Out of FAX resources (protocol T.30)";
 109         case 0x2007:
 110            return "Illegal message parameter coding";
 111
 112 /*-- error information concerning requested services  -----*/
 113         case 0x3001:
 114            return "B1 protocol not supported";
 115         case 0x3002:
 116            return "B2 protocol not supported";
 117         case 0x3003:
 118            return "B3 protocol not supported";
 119         case 0x3004:
 120            return "B1 protocol parameter not supported";
 121         case 0x3005:
 122            return "B2 protocol parameter not supported";
 123         case 0x3006:
 124            return "B3 protocol parameter not supported";
 125         case 0x3007:
 126            return "B protocol combination not supported";
 127         case 0x3008:
 128            return "NCPI not supported";
 129         case 0x3009:
 130            return "CIP Value unknown";
 131         case 0x300A:
 132            return "Flags not supported (reserved bits)";
 133         case 0x300B:
 134            return "Facility not supported";
 135         case 0x300C:
 136            return "Data length not supported by current protocol";
 137         case 0x300D:
 138            return "Reset procedure not supported by current protocol";
 139
 140 /*-- informations about the clearing of a physical connection -----*/
 141         case 0x3301:
 142            return "Protocol error layer 1 (broken line or B-channel removed by signalling protocol)";
 143         case 0x3302:
 144            return "Protocol error layer 2";
 145         case 0x3303:
 146            return "Protocol error layer 3";
 147         case 0x3304:
 148            return "Another application got that call";
 149 /*-- T.30 specific reasons -----*/
 150         case 0x3311:
 151            return "Connecting not successful (remote station is no FAX G3 machine)";
 152         case 0x3312:
 153            return "Connecting not successful (training error)";
 154         case 0x3313:
 155            return "Disconnected before transfer (remote station does not support transfer mode, e.g. resolution)";
 156         case 0x3314:
 157            return "Disconnected during transfer (remote abort)";
 158         case 0x3315:
 159            return "Disconnected during transfer (remote procedure error, e.g. unsuccessful repetition of T.30 commands)";
 160         case 0x3316:
 161            return "Disconnected during transfer (local tx data underrun)";
 162         case 0x3317:
 163            return "Disconnected during transfer (local rx data overflow)";
 164         case 0x3318:
 165            return "Disconnected during transfer (local abort)";
 166         case 0x3319:
 167            return "Illegal parameter coding (e.g. SFF coding error)";
 168
 169 /*-- disconnect causes from the network according to ETS 300 102-1/Q.931 -----*/
 170         case 0x3481: return "Unallocated (unassigned) number";
 171         case 0x3482: return "No route to specified transit network";
 172         case 0x3483: return "No route to destination";
 173         case 0x3486: return "Channel unacceptable";
 174         case 0x3487:
 175            return "Call awarded and being delivered in an established channel";
 176         case 0x3490: return "Normal call clearing";
 177         case 0x3491: return "User busy";
 178         case 0x3492: return "No user responding";
 179         case 0x3493: return "No answer from user (user alerted)";
 180         case 0x3495: return "Call rejected";
 181         case 0x3496: return "Number changed";
 182         case 0x349A: return "Non-selected user clearing";
 183         case 0x349B: return "Destination out of order";
 184         case 0x349C: return "Invalid number format";
 185         case 0x349D: return "Facility rejected";
 186         case 0x349E: return "Response to STATUS ENQUIRY";
 187         case 0x349F: return "Normal, unspecified";
 188         case 0x34A2: return "No circuit / channel available";
 189         case 0x34A6: return "Network out of order";
 190         case 0x34A9: return "Temporary failure";
 191         case 0x34AA: return "Switching equipment congestion";
 192         case 0x34AB: return "Access information discarded";
 193         case 0x34AC: return "Requested circuit / channel not available";
 194         case 0x34AF: return "Resources unavailable, unspecified";
 195         case 0x34B1: return "Quality of service unavailable";
 196         case 0x34B2: return "Requested facility not subscribed";
 197         case 0x34B9: return "Bearer capability not authorized";
 198         case 0x34BA: return "Bearer capability not presently available";
 199         case 0x34BF: return "Service or option not available, unspecified";
 200         case 0x34C1: return "Bearer capability not implemented";
 201         case 0x34C2: return "Channel type not implemented";
 202         case 0x34C5: return "Requested facility not implemented";
 203         case 0x34C6: return "Only restricted digital information bearer capability is available";
 204         case 0x34CF: return "Service or option not implemented, unspecified";
 205         case 0x34D1: return "Invalid call reference value";
 206         case 0x34D2: return "Identified channel does not exist";
 207         case 0x34D3: return "A suspended call exists, but this call identity does not";
 208         case 0x34D4: return "Call identity in use";
 209         case 0x34D5: return "No call suspended";
 210         case 0x34D6: return "Call having the requested call identity has been cleared";
 211         case 0x34D8: return "Incompatible destination";
 212         case 0x34DB: return "Invalid transit network selection";
 213         case 0x34DF: return "Invalid message, unspecified";
 214         case 0x34E0: return "Mandatory information element is missing";
 215         case 0x34E1: return "Message type non-existent or not implemented";
 216         case 0x34E2: return "Message not compatible with call state or message type non-existent or not implemented";
 217         case 0x34E3: return "Information element non-existent or not implemented";
 218         case 0x34E4: return "Invalid information element contents";
 219         case 0x34E5: return "Message not compatible with call state";
 220         case 0x34E6: return "Recovery on timer expiry";
 221         case 0x34EF: return "Protocol error, unspecified";
 222         case 0x34FF: return "Interworking, unspecified";
 223
 224         default: return "No additional information";
 225     }
 226 }
 227 #endif
 228
 229 typedef struct {
 230         int typ;
 231         size_t off;
 232 } _cdef;
 233
 234 #define _CBYTE         1
 235 #define _CWORD         2
 236 #define _CDWORD        3
 237 #define _CSTRUCT       4
 238 #define _CMSTRUCT      5
 239 #define _CEND          6
 240
 241 static _cdef cdef[] =
 242 {
 243     /*00 */
 244  {_CEND},
 245     /*01 */
 246  {_CEND},
 247     /*02 */
 248  {_CEND},
 249     /*03 */
 250  {_CDWORD, offsetof(_cmsg, adr.adrController)},
 251     /*04 */
 252  {_CMSTRUCT, offsetof(_cmsg, AdditionalInfo)},
 253     /*05 */
 254  {_CSTRUCT, offsetof(_cmsg, B1configuration)},
 255     /*06 */
 256  {_CWORD, offsetof(_cmsg, B1protocol)},
 257     /*07 */
 258  {_CSTRUCT, offsetof(_cmsg, B2configuration)},
 259     /*08 */
 260  {_CWORD, offsetof(_cmsg, B2protocol)},
 261     /*09 */
 262  {_CSTRUCT, offsetof(_cmsg, B3configuration)},
 263     /*0a */
 264  {_CWORD, offsetof(_cmsg, B3protocol)},
 265     /*0b */
 266  {_CSTRUCT, offsetof(_cmsg, BC)},
 267     /*0c */
 268  {_CSTRUCT, offsetof(_cmsg, BChannelinformation)},
 269     /*0d */
 270  {_CMSTRUCT, offsetof(_cmsg, BProtocol)},
 271     /*0e */
 272  {_CSTRUCT, offsetof(_cmsg, CalledPartyNumber)},
 273     /*0f */
 274  {_CSTRUCT, offsetof(_cmsg, CalledPartySubaddress)},
 275     /*10 */
 276  {_CSTRUCT, offsetof(_cmsg, CallingPartyNumber)},
 277     /*11 */
 278  {_CSTRUCT, offsetof(_cmsg, CallingPartySubaddress)},
 279     /*12 */
 280  {_CDWORD, offsetof(_cmsg, CIPmask)},
 281     /*13 */
 282  {_CDWORD, offsetof(_cmsg, CIPmask2)},
 283     /*14 */
 284  {_CWORD, offsetof(_cmsg, CIPValue)},
 285     /*15 */
 286  {_CDWORD, offsetof(_cmsg, Class)},
 287     /*16 */
 288  {_CSTRUCT, offsetof(_cmsg, ConnectedNumber)},
 289     /*17 */
 290  {_CSTRUCT, offsetof(_cmsg, ConnectedSubaddress)},
 291     /*18 */
 292  {_CDWORD, offsetof(_cmsg, Data)},
 293     /*19 */
 294  {_CWORD, offsetof(_cmsg, DataHandle)},
 295     /*1a */
 296  {_CWORD, offsetof(_cmsg, DataLength)},
 297     /*1b */
 298  {_CSTRUCT, offsetof(_cmsg, FacilityConfirmationParameter)},
 299     /*1c */
 300  {_CSTRUCT, offsetof(_cmsg, Facilitydataarray)},
 301     /*1d */
 302  {_CSTRUCT, offsetof(_cmsg, FacilityIndicationParameter)},
 303     /*1e */
 304  {_CSTRUCT, offsetof(_cmsg, FacilityRequestParameter)},
 305     /*1f */
 306  {_CWORD, offsetof(_cmsg, FacilitySelector)},
 307     /*20 */
 308  {_CWORD, offsetof(_cmsg, Flags)},
 309     /*21 */
 310  {_CDWORD, offsetof(_cmsg, Function)},
 311     /*22 */
 312  {_CSTRUCT, offsetof(_cmsg, HLC)},
 313     /*23 */
 314  {_CWORD, offsetof(_cmsg, Info)},
 315     /*24 */
 316  {_CSTRUCT, offsetof(_cmsg, InfoElement)},
 317     /*25 */
 318  {_CDWORD, offsetof(_cmsg, InfoMask)},
 319     /*26 */
 320  {_CWORD, offsetof(_cmsg, InfoNumber)},
 321     /*27 */
 322  {_CSTRUCT, offsetof(_cmsg, Keypadfacility)},
 323     /*28 */
 324  {_CSTRUCT, offsetof(_cmsg, LLC)},
 325     /*29 */
 326  {_CSTRUCT, offsetof(_cmsg, ManuData)},
 327     /*2a */
 328  {_CDWORD, offsetof(_cmsg, ManuID)},
 329     /*2b */
 330  {_CSTRUCT, offsetof(_cmsg, NCPI)},
 331     /*2c */
 332  {_CWORD, offsetof(_cmsg, Reason)},
 333     /*2d */
 334  {_CWORD, offsetof(_cmsg, Reason_B3)},
 335     /*2e */
 336  {_CWORD, offsetof(_cmsg, Reject)},
 337     /*2f */
 338  {_CSTRUCT, offsetof(_cmsg, Useruserdata)}
 339 };
 340
 341 static unsigned char *cpars[] =
 342 {
 343     /*00 */ 0,
 344     /*01 ALERT_REQ */ (unsigned char *) "\x03\x04\x0c\x27\x2f\x1c\x01\x01",
 345     /*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",
 346     /*03 */ 0,
 347     /*04 DISCONNECT_REQ */ (unsigned char *) "\x03\x04\x0c\x27\x2f\x1c\x01\x01",
 348     /*05 LISTEN_REQ */ (unsigned char *) "\x03\x25\x12\x13\x10\x11\x01",
 349     /*06 */ 0,
 350     /*07 */ 0,
 351     /*08 INFO_REQ */ (unsigned char *) "\x03\x0e\x04\x0c\x27\x2f\x1c\x01\x01",
 352     /*09 FACILITY_REQ */ (unsigned char *) "\x03\x1f\x1e\x01",
 353     /*0a SELECT_B_PROTOCOL_REQ */ (unsigned char *) "\x03\x0d\x06\x08\x0a\x05\x07\x09\x01\x01",
 354     /*0b CONNECT_B3_REQ */ (unsigned char *) "\x03\x2b\x01",
 355     /*0c */ 0,
 356     /*0d DISCONNECT_B3_REQ */ (unsigned char *) "\x03\x2b\x01",
 357     /*0e */ 0,
 358     /*0f DATA_B3_REQ */ (unsigned char *) "\x03\x18\x1a\x19\x20\x01",
 359     /*10 RESET_B3_REQ */ (unsigned char *) "\x03\x2b\x01",
 360     /*11 */ 0,
 361     /*12 */ 0,
 362     /*13 ALERT_CONF */ (unsigned char *) "\x03\x23\x01",
 363     /*14 CONNECT_CONF */ (unsigned char *) "\x03\x23\x01",
 364     /*15 */ 0,
 365     /*16 DISCONNECT_CONF */ (unsigned char *) "\x03\x23\x01",
 366     /*17 LISTEN_CONF */ (unsigned char *) "\x03\x23\x01",
 367     /*18 MANUFACTURER_REQ */ (unsigned char *) "\x03\x2a\x15\x21\x29\x01",
 368     /*19 */ 0,
 369     /*1a INFO_CONF */ (unsigned char *) "\x03\x23\x01",
 370     /*1b FACILITY_CONF */ (unsigned char *) "\x03\x23\x1f\x1b\x01",
 371     /*1c SELECT_B_PROTOCOL_CONF */ (unsigned char *) "\x03\x23\x01",
 372     /*1d CONNECT_B3_CONF */ (unsigned char *) "\x03\x23\x01",
 373     /*1e */ 0,
 374     /*1f DISCONNECT_B3_CONF */ (unsigned char *) "\x03\x23\x01",
 375     /*20 */ 0,
 376     /*21 DATA_B3_CONF */ (unsigned char *) "\x03\x19\x23\x01",
 377     /*22 RESET_B3_CONF */ (unsigned char *) "\x03\x23\x01",
 378     /*23 */ 0,
 379     /*24 */ 0,
 380     /*25 */ 0,
 381     /*26 CONNECT_IND */ (unsigned char *) "\x03\x14\x0e\x10\x0f\x11\x0b\x28\x22\x04\x0c\x27\x2f\x1c\x01\x01",
 382     /*27 CONNECT_ACTIVE_IND */ (unsigned char *) "\x03\x16\x17\x28\x01",
 383     /*28 DISCONNECT_IND */ (unsigned char *) "\x03\x2c\x01",
 384     /*29 */ 0,
 385     /*2a MANUFACTURER_CONF */ (unsigned char *) "\x03\x2a\x15\x21\x29\x01",
 386     /*2b */ 0,
 387     /*2c INFO_IND */ (unsigned char *) "\x03\x26\x24\x01",
 388     /*2d FACILITY_IND */ (unsigned char *) "\x03\x1f\x1d\x01",
 389     /*2e */ 0,
 390     /*2f CONNECT_B3_IND */ (unsigned char *) "\x03\x2b\x01",
 391     /*30 CONNECT_B3_ACTIVE_IND */ (unsigned char *) "\x03\x2b\x01",
 392     /*31 DISCONNECT_B3_IND */ (unsigned char *) "\x03\x2d\x2b\x01",
 393     /*32 */ 0,
 394     /*33 DATA_B3_IND */ (unsigned char *) "\x03\x18\x1a\x19\x20\x01",
 395     /*34 RESET_B3_IND */ (unsigned char *) "\x03\x2b\x01",
 396     /*35 CONNECT_B3_T90_ACTIVE_IND */ (unsigned char *) "\x03\x2b\x01",
 397     /*36 */ 0,
 398     /*37 */ 0,
 399     /*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",
 400     /*39 CONNECT_ACTIVE_RESP */ (unsigned char *) "\x03\x01",
 401     /*3a DISCONNECT_RESP */ (unsigned char *) "\x03\x01",
 402     /*3b */ 0,
 403     /*3c MANUFACTURER_IND */ (unsigned char *) "\x03\x2a\x15\x21\x29\x01",
 404     /*3d */ 0,
 405     /*3e INFO_RESP */ (unsigned char *) "\x03\x01",
 406     /*3f FACILITY_RESP */ (unsigned char *) "\x03\x1f\x01",
 407     /*40 */ 0,
 408     /*41 CONNECT_B3_RESP */ (unsigned char *) "\x03\x2e\x2b\x01",
 409     /*42 CONNECT_B3_ACTIVE_RESP */ (unsigned char *) "\x03\x01",
 410     /*43 DISCONNECT_B3_RESP */ (unsigned char *) "\x03\x01",
 411     /*44 */ 0,
 412     /*45 DATA_B3_RESP */ (unsigned char *) "\x03\x19\x01",
 413     /*46 RESET_B3_RESP */ (unsigned char *) "\x03\x01",
 414     /*47 CONNECT_B3_T90_ACTIVE_RESP */ (unsigned char *) "\x03\x01",
 415     /*48 */ 0,
 416     /*49 */ 0,
 417     /*4a */ 0,
 418     /*4b */ 0,
 419     /*4c */ 0,
 420     /*4d */ 0,
 421     /*4e MANUFACTURER_RESP */ (unsigned char *) "\x03\x2a\x15\x21\x29\x01",
 422 };
 423
 424 /*-------------------------------------------------------*/
 425
 426 #define byteTLcpy(x,y)        *(__u8 *)(x)=*(__u8 *)(y);
 427 #define wordTLcpy(x,y)        *(__u16 *)(x)=*(__u16 *)(y);
 428 #define dwordTLcpy(x,y)       memcpy(x,y,4);
 429 #define structTLcpy(x,y,l)    memcpy (x,y,l)
 430 #define structTLcpyovl(x,y,l) memmove (x,y,l)
 431
 432 #define byteTRcpy(x,y)        *(__u8 *)(y)=*(__u8 *)(x);
 433 #define wordTRcpy(x,y)        *(__u16 *)(y)=*(__u16 *)(x);
 434 #define dwordTRcpy(x,y)       memcpy(y,x,4);
 435 #define structTRcpy(x,y,l)    memcpy (y,x,l)
 436 #define structTRcpyovl(x,y,l) memmove (y,x,l)
 437
 438 /*-------------------------------------------------------*/
 439 static unsigned command_2_index(unsigned c, unsigned sc)
 440 {
 441         if (c & 0x80)
 442                 c = 0x9 + (c & 0x0f);
 443         else if (c <= 0x0f);
 444         else if (c == 0x41)
 445                 c = 0x9 + 0x1;
 446         else if (c == 0xff)
 447                 c = 0x00;
 448         return (sc & 3) * (0x9 + 0x9) + c;
 449 }
 450
 451 /*-------------------------------------------------------*/
 452 #define TYP (cdef[cmsg->par[cmsg->p]].typ)
 453 #define OFF (((__u8 *)cmsg)+cdef[cmsg->par[cmsg->p]].off)
 454
 455 static void jumpcstruct(_cmsg * cmsg)
 456 {
 457         unsigned layer;
 458         for (cmsg->p++, layer = 1; layer;) {
 459                 /* $$$$$ assert (cmsg->p); */
 460                 cmsg->p++;
 461                 switch (TYP) {
 462                 case _CMSTRUCT:
 463                         layer++;
 464                         break;
 465                 case _CEND:
 466                         layer--;
 467                         break;
 468                 }
 469         }
 470 }
 471 /*-------------------------------------------------------*/
 472 static void pars_2_message(_cmsg * cmsg)
 473 {
 474
 475         for (; TYP != _CEND; cmsg->p++) {
 476                 switch (TYP) {
 477                 case _CBYTE:
 478                         byteTLcpy(cmsg->m + cmsg->l, OFF);
 479                         cmsg->l++;
 480                         break;
 481                 case _CWORD:
 482                         wordTLcpy(cmsg->m + cmsg->l, OFF);
 483                         cmsg->l += 2;
 484                         break;
 485                 case _CDWORD:
 486                         dwordTLcpy(cmsg->m + cmsg->l, OFF);
 487                         cmsg->l += 4;
 488                         break;
 489                 case _CSTRUCT:
 490                         if (*(__u8 **) OFF == 0) {
 491                                 *(cmsg->m + cmsg->l) = '\0';
 492                                 cmsg->l++;
 493                         } else if (**(_cstruct *) OFF != 0xff) {
 494                                 structTLcpy(cmsg->m + cmsg->l, *(_cstruct *) OFF, 1 + **(_cstruct *) OFF);
 495                                 cmsg->l += 1 + **(_cstruct *) OFF;
 496                         } else {
 497                                 _cstruct s = *(_cstruct *) OFF;
 498                                 structTLcpy(cmsg->m + cmsg->l, s, 3 + *(__u16 *) (s + 1));
 499                                 cmsg->l += 3 + *(__u16 *) (s + 1);
 500                         }
 501                         break;
 502                 case _CMSTRUCT:
 503 /*----- Metastruktur 0 -----*/
 504                         if (*(_cmstruct *) OFF == CAPI_DEFAULT) {
 505                                 *(cmsg->m + cmsg->l) = '\0';
 506                                 cmsg->l++;
 507                                 jumpcstruct(cmsg);
 508                         }
 509 /*----- Metastruktur wird composed -----*/
 510                         else {
 511                                 unsigned _l = cmsg->l;
 512                                 unsigned _ls;
 513                                 cmsg->l++;
 514                                 cmsg->p++;
 515                                 pars_2_message(cmsg);
 516                                 _ls = cmsg->l - _l - 1;
 517                                 if (_ls < 255)
 518                                         (cmsg->m + _l)[0] = (__u8) _ls;
 519                                 else {
 520                                         structTLcpyovl(cmsg->m + _l + 3, cmsg->m + _l + 1, _ls);
 521                                         (cmsg->m + _l)[0] = 0xff;
 522                                         wordTLcpy(cmsg->m + _l + 1, &_ls);
 523                                 }
 524                         }
 525                         break;
 526                 }
 527         }
 528 }
 529
 530 /*-------------------------------------------------------*/
 531 unsigned capi_cmsg2message(_cmsg * cmsg, __u8 * msg)
 532 {
 533         cmsg->m = msg;
 534         cmsg->l = 8;
 535         cmsg->p = 0;
 536         cmsg->par = cpars[command_2_index(cmsg->Command, cmsg->Subcommand)];
 537
 538         pars_2_message(cmsg);
 539
 540         wordTLcpy(msg + 0, &cmsg->l);
 541         byteTLcpy(cmsg->m + 4, &cmsg->Command);
 542         byteTLcpy(cmsg->m + 5, &cmsg->Subcommand);
 543         wordTLcpy(cmsg->m + 2, &cmsg->ApplId);
 544         wordTLcpy(cmsg->m + 6, &cmsg->Messagenumber);
 545
 546         return 0;
 547 }
 548
 549 /*-------------------------------------------------------*/
 550 static void message_2_pars(_cmsg * cmsg)
 551 {
 552         for (; TYP != _CEND; cmsg->p++) {
 553
 554                 switch (TYP) {
 555                 case _CBYTE:
 556                         byteTRcpy(cmsg->m + cmsg->l, OFF);
 557                         cmsg->l++;
 558                         break;
 559                 case _CWORD:
 560                         wordTRcpy(cmsg->m + cmsg->l, OFF);
 561                         cmsg->l += 2;
 562                         break;
 563                 case _CDWORD:
 564                         dwordTRcpy(cmsg->m + cmsg->l, OFF);
 565                         cmsg->l += 4;
 566                         break;
 567                 case _CSTRUCT:
 568                         *(__u8 **) OFF = cmsg->m + cmsg->l;
 569
 570                         if (cmsg->m[cmsg->l] != 0xff)
 571                                 cmsg->l += 1 + cmsg->m[cmsg->l];
 572                         else
 573                                 cmsg->l += 3 + *(__u16 *) (cmsg->m + cmsg->l + 1);
 574                         break;
 575                 case _CMSTRUCT:
 576 /*----- Metastruktur 0 -----*/
 577                         if (cmsg->m[cmsg->l] == '\0') {
 578                                 *(_cmstruct *) OFF = CAPI_DEFAULT;
 579                                 cmsg->l++;
 580                                 jumpcstruct(cmsg);
 581                         } else {
 582                                 unsigned _l = cmsg->l;
 583                                 *(_cmstruct *) OFF = CAPI_COMPOSE;
 584                                 cmsg->l = (cmsg->m + _l)[0] == 255 ? cmsg->l + 3 : cmsg->l + 1;
 585                                 cmsg->p++;
 586                                 message_2_pars(cmsg);
 587                         }
 588                         break;
 589                 }
 590         }
 591 }
 592
 593 /*-------------------------------------------------------*/
 594 unsigned capi_message2cmsg(_cmsg * cmsg, __u8 * msg)
 595 {
 596         memset(cmsg, 0, sizeof(_cmsg));
 597         cmsg->m = msg;
 598         cmsg->l = 8;
 599         cmsg->p = 0;
 600         byteTRcpy(cmsg->m + 4, &cmsg->Command);
 601         byteTRcpy(cmsg->m + 5, &cmsg->Subcommand);
 602         cmsg->par = cpars[command_2_index(cmsg->Command, cmsg->Subcommand)];
 603
 604         message_2_pars(cmsg);
 605
 606         wordTRcpy(msg + 0, &cmsg->l);
 607         wordTRcpy(cmsg->m + 2, &cmsg->ApplId);
 608         wordTRcpy(cmsg->m + 6, &cmsg->Messagenumber);
 609
 610         return 0;
 611 }
 612
 613 /*-------------------------------------------------------*/
 614 unsigned capi_cmsg_header(_cmsg * cmsg, __u16 _ApplId,
 615                           __u8 _Command, __u8 _Subcommand,
 616                           __u16 _Messagenumber, __u32 _Controller)
 617 {
 618         memset(cmsg, 0, sizeof(_cmsg));
 619         cmsg->ApplId = _ApplId;
 620         cmsg->Command = _Command;
 621         cmsg->Subcommand = _Subcommand;
 622         cmsg->Messagenumber = _Messagenumber;
 623         cmsg->adr.adrController = _Controller;
 624         return 0;
 625 }
 626
 627 /*-------------------------------------------------------*/
 628
 629 static char *mnames[] =
 630 {
 631         0,
 632         "ALERT_REQ",
 633         "CONNECT_REQ",
 634         0,
 635         "DISCONNECT_REQ",
 636         "LISTEN_REQ",
 637         0,
 638         0,
 639         "INFO_REQ",
 640         "FACILITY_REQ",
 641         "SELECT_B_PROTOCOL_REQ",
 642         "CONNECT_B3_REQ",
 643         0,
 644         "DISCONNECT_B3_REQ",
 645         0,
 646         "DATA_B3_REQ",
 647         "RESET_B3_REQ",
 648         0,
 649         0,
 650         "ALERT_CONF",
 651         "CONNECT_CONF",
 652         0,
 653         "DISCONNECT_CONF",
 654         "LISTEN_CONF",
 655         "MANUFACTURER_REQ",
 656         0,
 657         "INFO_CONF",
 658         "FACILITY_CONF",
 659         "SELECT_B_PROTOCOL_CONF",
 660         "CONNECT_B3_CONF",
 661         0,
 662         "DISCONNECT_B3_CONF",
 663         0,
 664         "DATA_B3_CONF",
 665         "RESET_B3_CONF",
 666         0,
 667         0,
 668         0,
 669         "CONNECT_IND",
 670         "CONNECT_ACTIVE_IND",
 671         "DISCONNECT_IND",
 672         0,
 673         "MANUFACTURER_CONF",
 674         0,
 675         "INFO_IND",
 676         "FACILITY_IND",
 677         0,
 678         "CONNECT_B3_IND",
 679         "CONNECT_B3_ACTIVE_IND",
 680         "DISCONNECT_B3_IND",
 681         0,
 682         "DATA_B3_IND",
 683         "RESET_B3_IND",
 684         "CONNECT_B3_T90_ACTIVE_IND",
 685         0,
 686         0,
 687         "CONNECT_RESP",
 688         "CONNECT_ACTIVE_RESP",
 689         "DISCONNECT_RESP",
 690         0,
 691         "MANUFACTURER_IND",
 692         0,
 693         "INFO_RESP",
 694         "FACILITY_RESP",
 695         0,
 696         "CONNECT_B3_RESP",
 697         "CONNECT_B3_ACTIVE_RESP",
 698         "DISCONNECT_B3_RESP",
 699         0,
 700         "DATA_B3_RESP",
 701         "RESET_B3_RESP",
 702         "CONNECT_B3_T90_ACTIVE_RESP",
 703         0,
 704         0,
 705         0,
 706         0,
 707         0,
 708         0,
 709         "MANUFACTURER_RESP"
 710 };
 711
 712 char *capi_cmd2str(__u8 cmd, __u8 subcmd)
 713 {
 714         return mnames[command_2_index(cmd, subcmd)];
 715 }
 716
 717
 718 /*-------------------------------------------------------*/
 719 /*-------------------------------------------------------*/
 720
 721 static char *pnames[] =
 722 {
 723     /*00 */ 0,
 724     /*01 */ 0,
 725     /*02 */ 0,
 726     /*03 */ "Controller/PLCI/NCCI",
 727     /*04 */ "AdditionalInfo",
 728     /*05 */ "B1configuration",
 729     /*06 */ "B1protocol",
 730     /*07 */ "B2configuration",
 731     /*08 */ "B2protocol",
 732     /*09 */ "B3configuration",
 733     /*0a */ "B3protocol",
 734     /*0b */ "BC",
 735     /*0c */ "BChannelinformation",
 736     /*0d */ "BProtocol",
 737     /*0e */ "CalledPartyNumber",
 738     /*0f */ "CalledPartySubaddress",
 739     /*10 */ "CallingPartyNumber",
 740     /*11 */ "CallingPartySubaddress",
 741     /*12 */ "CIPmask",
 742     /*13 */ "CIPmask2",
 743     /*14 */ "CIPValue",
 744     /*15 */ "Class",
 745     /*16 */ "ConnectedNumber",
 746     /*17 */ "ConnectedSubaddress",
 747     /*18 */ "Data32",
 748     /*19 */ "DataHandle",
 749     /*1a */ "DataLength",
 750     /*1b */ "FacilityConfirmationParameter",
 751     /*1c */ "Facilitydataarray",
 752     /*1d */ "FacilityIndicationParameter",
 753     /*1e */ "FacilityRequestParameter",
 754     /*1f */ "FacilitySelector",
 755     /*20 */ "Flags",
 756     /*21 */ "Function",
 757     /*22 */ "HLC",
 758     /*23 */ "Info",
 759     /*24 */ "InfoElement",
 760     /*25 */ "InfoMask",
 761     /*26 */ "InfoNumber",
 762     /*27 */ "Keypadfacility",
 763     /*28 */ "LLC",
 764     /*29 */ "ManuData",
 765     /*2a */ "ManuID",
 766     /*2b */ "NCPI",
 767     /*2c */ "Reason",
 768     /*2d */ "Reason_B3",
 769     /*2e */ "Reject",
 770     /*2f */ "Useruserdata"
 771 };
 772
 773
 774 static char buf[8192];
 775 static char *p = 0;
 776
 777 #include <stdarg.h>
 778
 779 /*-------------------------------------------------------*/
 780 static void bufprint(char *fmt,...)
 781 {
 782         va_list f;
 783         va_start(f, fmt);
 784         vsprintf(p, fmt, f);
 785         va_end(f);
 786         p += strlen(p);
 787 }
 788
 789 static void printstructlen(__u8 * m, unsigned len)
 790 {
 791         unsigned hex = 0;
 792         for (; len; len--, m++)
 793                 if (isalnum(*m) || *m == ' ') {
 794                         if (hex)
 795                                 bufprint(">");
 796                         bufprint("%c", *m);
 797                         hex = 0;
 798                 } else {
 799                         if (!hex)
 800                                 bufprint("<%02x", *m);
 801                         else
 802                                 bufprint(" %02x", *m);
 803                         hex = 1;
 804                 }
 805         if (hex)
 806                 bufprint(">");
 807 }
 808
 809 static void printstruct(__u8 * m)
 810 {
 811         unsigned len;
 812         if (m[0] != 0xff) {
 813                 len = m[0];
 814                 m += 1;
 815         } else {
 816                 len = ((__u16 *) (m + 1))[0];
 817                 m += 3;
 818         }
 819         printstructlen(m, len);
 820 }
 821
 822 /*-------------------------------------------------------*/
 823 #define NAME (pnames[cmsg->par[cmsg->p]])
 824
 825 static void protocol_message_2_pars(_cmsg * cmsg, int level)
 826 {
 827         for (; TYP != _CEND; cmsg->p++) {
 828                 int slen = 29 + 3 - level;
 829                 int i;
 830
 831                 bufprint("  ");
 832                 for (i = 0; i < level - 1; i++)
 833                         bufprint(" ");
 834
 835                 switch (TYP) {
 836                 case _CBYTE:
 837                         bufprint("%-*s = 0x%x\n", slen, NAME, *(__u8 *) (cmsg->m + cmsg->l));
 838                         cmsg->l++;
 839                         break;
 840                 case _CWORD:
 841                         bufprint("%-*s = 0x%x\n", slen, NAME, *(__u16 *) (cmsg->m + cmsg->l));
 842                         cmsg->l += 2;
 843                         break;
 844                 case _CDWORD:
 845                         bufprint("%-*s = 0x%lx\n", slen, NAME, *(__u32 *) (cmsg->m + cmsg->l));
 846                         cmsg->l += 4;
 847                         break;
 848                 case _CSTRUCT:
 849                         bufprint("%-*s = ", slen, NAME);
 850                         if (cmsg->m[cmsg->l] == '\0')
 851                                 bufprint("default");
 852                         else
 853                                 printstruct(cmsg->m + cmsg->l);
 854                         bufprint("\n");
 855                         if (cmsg->m[cmsg->l] != 0xff)
 856                                 cmsg->l += 1 + cmsg->m[cmsg->l];
 857                         else
 858                                 cmsg->l += 3 + *(__u16 *) (cmsg->m + cmsg->l + 1);
 859
 860                         break;
 861
 862                 case _CMSTRUCT:
 863 /*----- Metastruktur 0 -----*/
 864                         if (cmsg->m[cmsg->l] == '\0') {
 865                                 bufprint("%-*s = default\n", slen, NAME);
 866                                 cmsg->l++;
 867                                 jumpcstruct(cmsg);
 868                         } else {
 869                                 char *name = NAME;
 870                                 unsigned _l = cmsg->l;
 871                                 bufprint("%-*s\n", slen, name);
 872                                 cmsg->l = (cmsg->m + _l)[0] == 255 ? cmsg->l + 3 : cmsg->l + 1;
 873                                 cmsg->p++;
 874                                 protocol_message_2_pars(cmsg, level + 1);
 875                         }
 876                         break;
 877                 }
 878         }
 879 }
 880 /*-------------------------------------------------------*/
 881 char *capi_message2str(__u8 * msg)
 882 {
 883
 884         _cmsg cmsg;
 885         p = buf;
 886         p[0] = 0;
 887
 888         cmsg.m = msg;
 889         cmsg.l = 8;
 890         cmsg.p = 0;
 891         byteTRcpy(cmsg.m + 4, &cmsg.Command);
 892         byteTRcpy(cmsg.m + 5, &cmsg.Subcommand);
 893         cmsg.par = cpars[command_2_index(cmsg.Command, cmsg.Subcommand)];
 894
 895         bufprint("%-26s ID=%03d #0x%04x LEN=%04d\n",
 896                  mnames[command_2_index(cmsg.Command, cmsg.Subcommand)],
 897                  ((unsigned short *) msg)[1],
 898                  ((unsigned short *) msg)[3],
 899                  ((unsigned short *) msg)[0]);
 900
 901         protocol_message_2_pars(&cmsg, 1);
 902         return buf;
 903 }
 904
 905 char *capi_cmsg2str(_cmsg * cmsg)
 906 {
 907         p = buf;
 908         p[0] = 0;
 909         cmsg->l = 8;
 910         cmsg->p = 0;
 911         bufprint("%s ID=%03d #0x%04x LEN=%04d\n",
 912                  mnames[command_2_index(cmsg->Command, cmsg->Subcommand)],
 913                  ((__u16 *) cmsg->m)[1],
 914                  ((__u16 *) cmsg->m)[3],
 915                  ((__u16 *) cmsg->m)[0]);
 916         protocol_message_2_pars(cmsg, 1);
 917         return buf;
 918 }
 919
 920 EXPORT_SYMBOL(capi_cmsg2message);
 921 EXPORT_SYMBOL(capi_message2cmsg);
 922 EXPORT_SYMBOL(capi_cmsg_header);
 923 EXPORT_SYMBOL(capi_cmd2str);
 924 EXPORT_SYMBOL(capi_cmsg2str);
 925 EXPORT_SYMBOL(capi_message2str);
 926 EXPORT_SYMBOL(capi_info2str);
 927
 928 static int __init capiutil_init(void)
 929 {
 930         return 0;
 931 }
 932
 933 static void __exit capiutil_exit(void)
 934 {
 935 }
 936
 937 module_init(capiutil_init);
 938 module_exit(capiutil_exit);