drivers/isdn/capi/capiutil.c

   1 /* $Id: capiutil.c,v 1.13.6.4 2001/09/23 22:24:33 kai 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 <linux/config.h>
  21 #include <linux/isdn/capiutil.h>
  22
  23 /* from CAPI2.0 DDK AVM Berlin GmbH */
  24
  25 #ifndef CONFIG_ISDN_DRV_AVMB1_VERBOSE_REASON
  26 char *capi_info2str(u16 reason)
  27 {
  28     return "..";
  29 }
  30 #else
  31 char *capi_info2str(u16 reason)
  32 {
  33     switch (reason) {
  34
  35 /*-- informative values (corresponding message was processed) -----*/
  36         case 0x0001:
  37            return "NCPI not supported by current protocol, NCPI ignored";
  38         case 0x0002:
  39            return "Flags not supported by current protocol, flags ignored";
  40         case 0x0003:
  41            return "Alert already sent by another application";
  42
  43 /*-- error information concerning CAPI_REGISTER -----*/
  44         case 0x1001:
  45            return "Too many applications";
  46         case 0x1002:
  47            return "Logical block size too small, must be at least 128 Bytes";
  48         case 0x1003:
  49            return "Buffer exceeds 64 kByte";
  50         case 0x1004:
  51            return "Message buffer size too small, must be at least 1024 Bytes";
  52         case 0x1005:
  53            return "Max. number of logical connections not supported";
  54         case 0x1006:
  55            return "Reserved";
  56         case 0x1007:
  57            return "The message could not be accepted because of an internal busy condition";
  58         case 0x1008:
  59            return "OS resource error (no memory ?)";
  60         case 0x1009:
  61            return "CAPI not installed";
  62         case 0x100A:
  63            return "Controller does not support external equipment";
  64         case 0x100B:
  65            return "Controller does only support external equipment";
  66
  67 /*-- error information concerning message exchange functions -----*/
  68         case 0x1101:
  69            return "Illegal application number";
  70         case 0x1102:
  71            return "Illegal command or subcommand or message length less than 12 bytes";
  72         case 0x1103:
  73            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";
  74         case 0x1104:
  75            return "Queue is empty";
  76         case 0x1105:
  77            return "Queue overflow, a message was lost !! This indicates a configuration error. The only recovery from this error is to perform a CAPI_RELEASE";
  78         case 0x1106:
  79            return "Unknown notification parameter";
  80         case 0x1107:
  81            return "The Message could not be accepted because of an internal busy condition";
  82         case 0x1108:
  83            return "OS Resource error (no memory ?)";
  84         case 0x1109:
  85            return "CAPI not installed";
  86         case 0x110A:
  87            return "Controller does not support external equipment";
  88         case 0x110B:
  89            return "Controller does only support external equipment";
  90
  91 /*-- error information concerning resource / coding problems -----*/
  92         case 0x2001:
  93            return "Message not supported in current state";
  94         case 0x2002:
  95            return "Illegal Controller / PLCI / NCCI";
  96         case 0x2003:
  97            return "Out of PLCI";
  98         case 0x2004:
  99            return "Out of NCCI";
 100         case 0x2005:
 101            return "Out of LISTEN";
 102         case 0x2006:
 103            return "Out of FAX resources (protocol T.30)";
 104         case 0x2007:
 105            return "Illegal message parameter coding";
 106
 107 /*-- error information concerning requested services  -----*/
 108         case 0x3001:
 109            return "B1 protocol not supported";
 110         case 0x3002:
 111            return "B2 protocol not supported";
 112         case 0x3003:
 113            return "B3 protocol not supported";
 114         case 0x3004:
 115            return "B1 protocol parameter not supported";
 116         case 0x3005:
 117            return "B2 protocol parameter not supported";
 118         case 0x3006:
 119            return "B3 protocol parameter not supported";
 120         case 0x3007:
 121            return "B protocol combination not supported";
 122         case 0x3008:
 123            return "NCPI not supported";
 124         case 0x3009:
 125            return "CIP Value unknown";
 126         case 0x300A:
 127            return "Flags not supported (reserved bits)";
 128         case 0x300B:
 129            return "Facility not supported";
 130         case 0x300C:
 131            return "Data length not supported by current protocol";
 132         case 0x300D:
 133            return "Reset procedure not supported by current protocol";
 134
 135 /*-- informations about the clearing of a physical connection -----*/
 136         case 0x3301:
 137            return "Protocol error layer 1 (broken line or B-channel removed by signalling protocol)";
 138         case 0x3302:
 139            return "Protocol error layer 2";
 140         case 0x3303:
 141            return "Protocol error layer 3";
 142         case 0x3304:
 143            return "Another application got that call";
 144 /*-- T.30 specific reasons -----*/
 145         case 0x3311:
 146            return "Connecting not successful (remote station is no FAX G3 machine)";
 147         case 0x3312:
 148            return "Connecting not successful (training error)";
 149         case 0x3313:
 150            return "Disconnected before transfer (remote station does not support transfer mode, e.g. resolution)";
 151         case 0x3314:
 152            return "Disconnected during transfer (remote abort)";
 153         case 0x3315:
 154            return "Disconnected during transfer (remote procedure error, e.g. unsuccessful repetition of T.30 commands)";
 155         case 0x3316:
 156            return "Disconnected during transfer (local tx data underrun)";
 157         case 0x3317:
 158            return "Disconnected during transfer (local rx data overflow)";
 159         case 0x3318:
 160            return "Disconnected during transfer (local abort)";
 161         case 0x3319:
 162            return "Illegal parameter coding (e.g. SFF coding error)";
 163
 164 /*-- disconnect causes from the network according to ETS 300 102-1/Q.931 -----*/
 165         case 0x3481: return "Unallocated (unassigned) number";
 166         case 0x3482: return "No route to specified transit network";
 167         case 0x3483: return "No route to destination";
 168         case 0x3486: return "Channel unacceptable";
 169         case 0x3487:
 170            return "Call awarded and being delivered in an established channel";
 171         case 0x3490: return "Normal call clearing";
 172         case 0x3491: return "User busy";
 173         case 0x3492: return "No user responding";
 174         case 0x3493: return "No answer from user (user alerted)";
 175         case 0x3495: return "Call rejected";
 176         case 0x3496: return "Number changed";
 177         case 0x349A: return "Non-selected user clearing";
 178         case 0x349B: return "Destination out of order";
 179         case 0x349C: return "Invalid number format";
 180         case 0x349D: return "Facility rejected";
 181         case 0x349E: return "Response to STATUS ENQUIRY";
 182         case 0x349F: return "Normal, unspecified";
 183         case 0x34A2: return "No circuit / channel available";
 184         case 0x34A6: return "Network out of order";
 185         case 0x34A9: return "Temporary failure";
 186         case 0x34AA: return "Switching equipment congestion";
 187         case 0x34AB: return "Access information discarded";
 188         case 0x34AC: return "Requested circuit / channel not available";
 189         case 0x34AF: return "Resources unavailable, unspecified";
 190         case 0x34B1: return "Quality of service unavailable";
 191         case 0x34B2: return "Requested facility not subscribed";
 192         case 0x34B9: return "Bearer capability not authorized";
 193         case 0x34BA: return "Bearer capability not presently available";
 194         case 0x34BF: return "Service or option not available, unspecified";
 195         case 0x34C1: return "Bearer capability not implemented";
 196         case 0x34C2: return "Channel type not implemented";
 197         case 0x34C5: return "Requested facility not implemented";
 198         case 0x34C6: return "Only restricted digital information bearer capability is available";
 199         case 0x34CF: return "Service or option not implemented, unspecified";
 200         case 0x34D1: return "Invalid call reference value";
 201         case 0x34D2: return "Identified channel does not exist";
 202         case 0x34D3: return "A suspended call exists, but this call identity does not";
 203         case 0x34D4: return "Call identity in use";
 204         case 0x34D5: return "No call suspended";
 205         case 0x34D6: return "Call having the requested call identity has been cleared";
 206         case 0x34D8: return "Incompatible destination";
 207         case 0x34DB: return "Invalid transit network selection";
 208         case 0x34DF: return "Invalid message, unspecified";
 209         case 0x34E0: return "Mandatory information element is missing";
 210         case 0x34E1: return "Message type non-existent or not implemented";
 211         case 0x34E2: return "Message not compatible with call state or message type non-existent or not implemented";
 212         case 0x34E3: return "Information element non-existent or not implemented";
 213         case 0x34E4: return "Invalid information element contents";
 214         case 0x34E5: return "Message not compatible with call state";
 215         case 0x34E6: return "Recovery on timer expiry";
 216         case 0x34EF: return "Protocol error, unspecified";
 217         case 0x34FF: return "Interworking, unspecified";
 218
 219         default: return "No additional information";
 220     }
 221 }
 222 #endif
 223
 224 typedef struct {
 225         int typ;
 226         size_t off;
 227 } _cdef;
 228
 229 #define _CBYTE         1
 230 #define _CWORD         2
 231 #define _CDWORD        3
 232 #define _CSTRUCT       4
 233 #define _CMSTRUCT      5
 234 #define _CEND          6
 235
 236 static _cdef cdef[] =
 237 {
 238     /*00 */
 239  {_CEND},
 240     /*01 */
 241  {_CEND},
 242     /*02 */
 243  {_CEND},
 244     /*03 */
 245  {_CDWORD, offsetof(_cmsg, adr.adrController)},
 246     /*04 */
 247  {_CMSTRUCT, offsetof(_cmsg, AdditionalInfo)},
 248     /*05 */
 249  {_CSTRUCT, offsetof(_cmsg, B1configuration)},
 250     /*06 */
 251  {_CWORD, offsetof(_cmsg, B1protocol)},
 252     /*07 */
 253  {_CSTRUCT, offsetof(_cmsg, B2configuration)},
 254     /*08 */
 255  {_CWORD, offsetof(_cmsg, B2protocol)},
 256     /*09 */
 257  {_CSTRUCT, offsetof(_cmsg, B3configuration)},
 258     /*0a */
 259  {_CWORD, offsetof(_cmsg, B3protocol)},
 260     /*0b */
 261  {_CSTRUCT, offsetof(_cmsg, BC)},
 262     /*0c */
 263  {_CSTRUCT, offsetof(_cmsg, BChannelinformation)},
 264     /*0d */
 265  {_CMSTRUCT, offsetof(_cmsg, BProtocol)},
 266     /*0e */
 267  {_CSTRUCT, offsetof(_cmsg, CalledPartyNumber)},
 268     /*0f */
 269  {_CSTRUCT, offsetof(_cmsg, CalledPartySubaddress)},
 270     /*10 */
 271  {_CSTRUCT, offsetof(_cmsg, CallingPartyNumber)},
 272     /*11 */
 273  {_CSTRUCT, offsetof(_cmsg, CallingPartySubaddress)},
 274     /*12 */
 275  {_CDWORD, offsetof(_cmsg, CIPmask)},
 276     /*13 */
 277  {_CDWORD, offsetof(_cmsg, CIPmask2)},
 278     /*14 */
 279  {_CWORD, offsetof(_cmsg, CIPValue)},
 280     /*15 */
 281  {_CDWORD, offsetof(_cmsg, Class)},
 282     /*16 */
 283  {_CSTRUCT, offsetof(_cmsg, ConnectedNumber)},
 284     /*17 */
 285  {_CSTRUCT, offsetof(_cmsg, ConnectedSubaddress)},
 286     /*18 */
 287  {_CDWORD, offsetof(_cmsg, Data)},
 288     /*19 */
 289  {_CWORD, offsetof(_cmsg, DataHandle)},
 290     /*1a */
 291  {_CWORD, offsetof(_cmsg, DataLength)},
 292     /*1b */
 293  {_CSTRUCT, offsetof(_cmsg, FacilityConfirmationParameter)},
 294     /*1c */
 295  {_CSTRUCT, offsetof(_cmsg, Facilitydataarray)},
 296     /*1d */
 297  {_CSTRUCT, offsetof(_cmsg, FacilityIndicationParameter)},
 298     /*1e */
 299  {_CSTRUCT, offsetof(_cmsg, FacilityRequestParameter)},
 300     /*1f */
 301  {_CWORD, offsetof(_cmsg, FacilitySelector)},
 302     /*20 */
 303  {_CWORD, offsetof(_cmsg, Flags)},
 304     /*21 */
 305  {_CDWORD, offsetof(_cmsg, Function)},
 306     /*22 */
 307  {_CSTRUCT, offsetof(_cmsg, HLC)},
 308     /*23 */
 309  {_CWORD, offsetof(_cmsg, Info)},
 310     /*24 */
 311  {_CSTRUCT, offsetof(_cmsg, InfoElement)},
 312     /*25 */
 313  {_CDWORD, offsetof(_cmsg, InfoMask)},
 314     /*26 */
 315  {_CWORD, offsetof(_cmsg, InfoNumber)},
 316     /*27 */
 317  {_CSTRUCT, offsetof(_cmsg, Keypadfacility)},
 318     /*28 */
 319  {_CSTRUCT, offsetof(_cmsg, LLC)},
 320     /*29 */
 321  {_CSTRUCT, offsetof(_cmsg, ManuData)},
 322     /*2a */
 323  {_CDWORD, offsetof(_cmsg, ManuID)},
 324     /*2b */
 325  {_CSTRUCT, offsetof(_cmsg, NCPI)},
 326     /*2c */
 327  {_CWORD, offsetof(_cmsg, Reason)},
 328     /*2d */
 329  {_CWORD, offsetof(_cmsg, Reason_B3)},
 330     /*2e */
 331  {_CWORD, offsetof(_cmsg, Reject)},
 332     /*2f */
 333  {_CSTRUCT, offsetof(_cmsg, Useruserdata)}
 334 };
 335
 336 static unsigned char *cpars[] =
 337 {
 338     /*00 */ 0,
 339     /*01 ALERT_REQ */ (unsigned char *) "\x03\x04\x0c\x27\x2f\x1c\x01\x01",
 340     /*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",
 341     /*03 */ 0,
 342     /*04 DISCONNECT_REQ */ (unsigned char *) "\x03\x04\x0c\x27\x2f\x1c\x01\x01",
 343     /*05 LISTEN_REQ */ (unsigned char *) "\x03\x25\x12\x13\x10\x11\x01",
 344     /*06 */ 0,
 345     /*07 */ 0,
 346     /*08 INFO_REQ */ (unsigned char *) "\x03\x0e\x04\x0c\x27\x2f\x1c\x01\x01",
 347     /*09 FACILITY_REQ */ (unsigned char *) "\x03\x1f\x1e\x01",
 348     /*0a SELECT_B_PROTOCOL_REQ */ (unsigned char *) "\x03\x0d\x06\x08\x0a\x05\x07\x09\x01\x01",
 349     /*0b CONNECT_B3_REQ */ (unsigned char *) "\x03\x2b\x01",
 350     /*0c */ 0,
 351     /*0d DISCONNECT_B3_REQ */ (unsigned char *) "\x03\x2b\x01",
 352     /*0e */ 0,
 353     /*0f DATA_B3_REQ */ (unsigned char *) "\x03\x18\x1a\x19\x20\x01",
 354     /*10 RESET_B3_REQ */ (unsigned char *) "\x03\x2b\x01",
 355     /*11 */ 0,
 356     /*12 */ 0,
 357     /*13 ALERT_CONF */ (unsigned char *) "\x03\x23\x01",
 358     /*14 CONNECT_CONF */ (unsigned char *) "\x03\x23\x01",
 359     /*15 */ 0,
 360     /*16 DISCONNECT_CONF */ (unsigned char *) "\x03\x23\x01",
 361     /*17 LISTEN_CONF */ (unsigned char *) "\x03\x23\x01",
 362     /*18 MANUFACTURER_REQ */ (unsigned char *) "\x03\x2a\x15\x21\x29\x01",
 363     /*19 */ 0,
 364     /*1a INFO_CONF */ (unsigned char *) "\x03\x23\x01",
 365     /*1b FACILITY_CONF */ (unsigned char *) "\x03\x23\x1f\x1b\x01",
 366     /*1c SELECT_B_PROTOCOL_CONF */ (unsigned char *) "\x03\x23\x01",
 367     /*1d CONNECT_B3_CONF */ (unsigned char *) "\x03\x23\x01",
 368     /*1e */ 0,
 369     /*1f DISCONNECT_B3_CONF */ (unsigned char *) "\x03\x23\x01",
 370     /*20 */ 0,
 371     /*21 DATA_B3_CONF */ (unsigned char *) "\x03\x19\x23\x01",
 372     /*22 RESET_B3_CONF */ (unsigned char *) "\x03\x23\x01",
 373     /*23 */ 0,
 374     /*24 */ 0,
 375     /*25 */ 0,
 376     /*26 CONNECT_IND */ (unsigned char *) "\x03\x14\x0e\x10\x0f\x11\x0b\x28\x22\x04\x0c\x27\x2f\x1c\x01\x01",
 377     /*27 CONNECT_ACTIVE_IND */ (unsigned char *) "\x03\x16\x17\x28\x01",
 378     /*28 DISCONNECT_IND */ (unsigned char *) "\x03\x2c\x01",
 379     /*29 */ 0,
 380     /*2a MANUFACTURER_CONF */ (unsigned char *) "\x03\x2a\x15\x21\x29\x01",
 381     /*2b */ 0,
 382     /*2c INFO_IND */ (unsigned char *) "\x03\x26\x24\x01",
 383     /*2d FACILITY_IND */ (unsigned char *) "\x03\x1f\x1d\x01",
 384     /*2e */ 0,
 385     /*2f CONNECT_B3_IND */ (unsigned char *) "\x03\x2b\x01",
 386     /*30 CONNECT_B3_ACTIVE_IND */ (unsigned char *) "\x03\x2b\x01",
 387     /*31 DISCONNECT_B3_IND */ (unsigned char *) "\x03\x2d\x2b\x01",
 388     /*32 */ 0,
 389     /*33 DATA_B3_IND */ (unsigned char *) "\x03\x18\x1a\x19\x20\x01",
 390     /*34 RESET_B3_IND */ (unsigned char *) "\x03\x2b\x01",
 391     /*35 CONNECT_B3_T90_ACTIVE_IND */ (unsigned char *) "\x03\x2b\x01",
 392     /*36 */ 0,
 393     /*37 */ 0,
 394     /*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",
 395     /*39 CONNECT_ACTIVE_RESP */ (unsigned char *) "\x03\x01",
 396     /*3a DISCONNECT_RESP */ (unsigned char *) "\x03\x01",
 397     /*3b */ 0,
 398     /*3c MANUFACTURER_IND */ (unsigned char *) "\x03\x2a\x15\x21\x29\x01",
 399     /*3d */ 0,
 400     /*3e INFO_RESP */ (unsigned char *) "\x03\x01",
 401     /*3f FACILITY_RESP */ (unsigned char *) "\x03\x1f\x01",
 402     /*40 */ 0,
 403     /*41 CONNECT_B3_RESP */ (unsigned char *) "\x03\x2e\x2b\x01",
 404     /*42 CONNECT_B3_ACTIVE_RESP */ (unsigned char *) "\x03\x01",
 405     /*43 DISCONNECT_B3_RESP */ (unsigned char *) "\x03\x01",
 406     /*44 */ 0,
 407     /*45 DATA_B3_RESP */ (unsigned char *) "\x03\x19\x01",
 408     /*46 RESET_B3_RESP */ (unsigned char *) "\x03\x01",
 409     /*47 CONNECT_B3_T90_ACTIVE_RESP */ (unsigned char *) "\x03\x01",
 410     /*48 */ 0,
 411     /*49 */ 0,
 412     /*4a */ 0,
 413     /*4b */ 0,
 414     /*4c */ 0,
 415     /*4d */ 0,
 416     /*4e MANUFACTURER_RESP */ (unsigned char *) "\x03\x2a\x15\x21\x29\x01",
 417 };
 418
 419 /*-------------------------------------------------------*/
 420
 421 #define byteTLcpy(x,y)        *(u8 *)(x)=*(u8 *)(y);
 422 #define wordTLcpy(x,y)        *(u16 *)(x)=*(u16 *)(y);
 423 #define dwordTLcpy(x,y)       memcpy(x,y,4);
 424 #define structTLcpy(x,y,l)    memcpy (x,y,l)
 425 #define structTLcpyovl(x,y,l) memmove (x,y,l)
 426
 427 #define byteTRcpy(x,y)        *(u8 *)(y)=*(u8 *)(x);
 428 #define wordTRcpy(x,y)        *(u16 *)(y)=*(u16 *)(x);
 429 #define dwordTRcpy(x,y)       memcpy(y,x,4);
 430 #define structTRcpy(x,y,l)    memcpy (y,x,l)
 431 #define structTRcpyovl(x,y,l) memmove (y,x,l)
 432
 433 /*-------------------------------------------------------*/
 434 static unsigned command_2_index(unsigned c, unsigned sc)
 435 {
 436         if (c & 0x80)
 437                 c = 0x9 + (c & 0x0f);
 438         else if (c <= 0x0f);
 439         else if (c == 0x41)
 440                 c = 0x9 + 0x1;
 441         else if (c == 0xff)
 442                 c = 0x00;
 443         return (sc & 3) * (0x9 + 0x9) + c;
 444 }
 445
 446 /*-------------------------------------------------------*/
 447 #define TYP (cdef[cmsg->par[cmsg->p]].typ)
 448 #define OFF (((u8 *)cmsg)+cdef[cmsg->par[cmsg->p]].off)
 449
 450 static void jumpcstruct(_cmsg * cmsg)
 451 {
 452         unsigned layer;
 453         for (cmsg->p++, layer = 1; layer;) {
 454                 /* $$$$$ assert (cmsg->p); */
 455                 cmsg->p++;
 456                 switch (TYP) {
 457                 case _CMSTRUCT:
 458                         layer++;
 459                         break;
 460                 case _CEND:
 461                         layer--;
 462                         break;
 463                 }
 464         }
 465 }
 466 /*-------------------------------------------------------*/
 467 static void pars_2_message(_cmsg * cmsg)
 468 {
 469
 470         for (; TYP != _CEND; cmsg->p++) {
 471                 switch (TYP) {
 472                 case _CBYTE:
 473                         byteTLcpy(cmsg->m + cmsg->l, OFF);
 474                         cmsg->l++;
 475                         break;
 476                 case _CWORD:
 477                         wordTLcpy(cmsg->m + cmsg->l, OFF);
 478                         cmsg->l += 2;
 479                         break;
 480                 case _CDWORD:
 481                         dwordTLcpy(cmsg->m + cmsg->l, OFF);
 482                         cmsg->l += 4;
 483                         break;
 484                 case _CSTRUCT:
 485                         if (*(u8 **) OFF == 0) {
 486                                 *(cmsg->m + cmsg->l) = '\0';
 487                                 cmsg->l++;
 488                         } else if (**(_cstruct *) OFF != 0xff) {
 489                                 structTLcpy(cmsg->m + cmsg->l, *(_cstruct *) OFF, 1 + **(_cstruct *) OFF);
 490                                 cmsg->l += 1 + **(_cstruct *) OFF;
 491                         } else {
 492                                 _cstruct s = *(_cstruct *) OFF;
 493                                 structTLcpy(cmsg->m + cmsg->l, s, 3 + *(u16 *) (s + 1));
 494                                 cmsg->l += 3 + *(u16 *) (s + 1);
 495                         }
 496                         break;
 497                 case _CMSTRUCT:
 498 /*----- Metastruktur 0 -----*/
 499                         if (*(_cmstruct *) OFF == CAPI_DEFAULT) {
 500                                 *(cmsg->m + cmsg->l) = '\0';
 501                                 cmsg->l++;
 502                                 jumpcstruct(cmsg);
 503                         }
 504 /*----- Metastruktur wird composed -----*/
 505                         else {
 506                                 unsigned _l = cmsg->l;
 507                                 unsigned _ls;
 508                                 cmsg->l++;
 509                                 cmsg->p++;
 510                                 pars_2_message(cmsg);
 511                                 _ls = cmsg->l - _l - 1;
 512                                 if (_ls < 255)
 513                                         (cmsg->m + _l)[0] = (u8) _ls;
 514                                 else {
 515                                         structTLcpyovl(cmsg->m + _l + 3, cmsg->m + _l + 1, _ls);
 516                                         (cmsg->m + _l)[0] = 0xff;
 517                                         wordTLcpy(cmsg->m + _l + 1, &_ls);
 518                                 }
 519                         }
 520                         break;
 521                 }
 522         }
 523 }
 524
 525 /*-------------------------------------------------------*/
 526 unsigned capi_cmsg2message(_cmsg * cmsg, u8 * msg)
 527 {
 528         cmsg->m = msg;
 529         cmsg->l = 8;
 530         cmsg->p = 0;
 531         cmsg->par = cpars[command_2_index(cmsg->Command, cmsg->Subcommand)];
 532
 533         pars_2_message(cmsg);
 534
 535         wordTLcpy(msg + 0, &cmsg->l);
 536         byteTLcpy(cmsg->m + 4, &cmsg->Command);
 537         byteTLcpy(cmsg->m + 5, &cmsg->Subcommand);
 538         wordTLcpy(cmsg->m + 2, &cmsg->ApplId);
 539         wordTLcpy(cmsg->m + 6, &cmsg->Messagenumber);
 540
 541         return 0;
 542 }
 543
 544 /*-------------------------------------------------------*/
 545 static void message_2_pars(_cmsg * cmsg)
 546 {
 547         for (; TYP != _CEND; cmsg->p++) {
 548
 549                 switch (TYP) {
 550                 case _CBYTE:
 551                         byteTRcpy(cmsg->m + cmsg->l, OFF);
 552                         cmsg->l++;
 553                         break;
 554                 case _CWORD:
 555                         wordTRcpy(cmsg->m + cmsg->l, OFF);
 556                         cmsg->l += 2;
 557                         break;
 558                 case _CDWORD:
 559                         dwordTRcpy(cmsg->m + cmsg->l, OFF);
 560                         cmsg->l += 4;
 561                         break;
 562                 case _CSTRUCT:
 563                         *(u8 **) OFF = cmsg->m + cmsg->l;
 564
 565                         if (cmsg->m[cmsg->l] != 0xff)
 566                                 cmsg->l += 1 + cmsg->m[cmsg->l];
 567                         else
 568                                 cmsg->l += 3 + *(u16 *) (cmsg->m + cmsg->l + 1);
 569                         break;
 570                 case _CMSTRUCT:
 571 /*----- Metastruktur 0 -----*/
 572                         if (cmsg->m[cmsg->l] == '\0') {
 573                                 *(_cmstruct *) OFF = CAPI_DEFAULT;
 574                                 cmsg->l++;
 575                                 jumpcstruct(cmsg);
 576                         } else {
 577                                 unsigned _l = cmsg->l;
 578                                 *(_cmstruct *) OFF = CAPI_COMPOSE;
 579                                 cmsg->l = (cmsg->m + _l)[0] == 255 ? cmsg->l + 3 : cmsg->l + 1;
 580                                 cmsg->p++;
 581                                 message_2_pars(cmsg);
 582                         }
 583                         break;
 584                 }
 585         }
 586 }
 587
 588 /*-------------------------------------------------------*/
 589 unsigned capi_message2cmsg(_cmsg * cmsg, u8 * msg)
 590 {
 591         memset(cmsg, 0, sizeof(_cmsg));
 592         cmsg->m = msg;
 593         cmsg->l = 8;
 594         cmsg->p = 0;
 595         byteTRcpy(cmsg->m + 4, &cmsg->Command);
 596         byteTRcpy(cmsg->m + 5, &cmsg->Subcommand);
 597         cmsg->par = cpars[command_2_index(cmsg->Command, cmsg->Subcommand)];
 598
 599         message_2_pars(cmsg);
 600
 601         wordTRcpy(msg + 0, &cmsg->l);
 602         wordTRcpy(cmsg->m + 2, &cmsg->ApplId);
 603         wordTRcpy(cmsg->m + 6, &cmsg->Messagenumber);
 604
 605         return 0;
 606 }
 607
 608 /*-------------------------------------------------------*/
 609 unsigned capi_cmsg_header(_cmsg * cmsg, u16 _ApplId,
 610                           u8 _Command, u8 _Subcommand,
 611                           u16 _Messagenumber, u32 _Controller)
 612 {
 613         memset(cmsg, 0, sizeof(_cmsg));
 614         cmsg->ApplId = _ApplId;
 615         cmsg->Command = _Command;
 616         cmsg->Subcommand = _Subcommand;
 617         cmsg->Messagenumber = _Messagenumber;
 618         cmsg->adr.adrController = _Controller;
 619         return 0;
 620 }
 621
 622 /*-------------------------------------------------------*/
 623
 624 static char *mnames[] =
 625 {
 626         0,
 627         "ALERT_REQ",
 628         "CONNECT_REQ",
 629         0,
 630         "DISCONNECT_REQ",
 631         "LISTEN_REQ",
 632         0,
 633         0,
 634         "INFO_REQ",
 635         "FACILITY_REQ",
 636         "SELECT_B_PROTOCOL_REQ",
 637         "CONNECT_B3_REQ",
 638         0,
 639         "DISCONNECT_B3_REQ",
 640         0,
 641         "DATA_B3_REQ",
 642         "RESET_B3_REQ",
 643         0,
 644         0,
 645         "ALERT_CONF",
 646         "CONNECT_CONF",
 647         0,
 648         "DISCONNECT_CONF",
 649         "LISTEN_CONF",
 650         "MANUFACTURER_REQ",
 651         0,
 652         "INFO_CONF",
 653         "FACILITY_CONF",
 654         "SELECT_B_PROTOCOL_CONF",
 655         "CONNECT_B3_CONF",
 656         0,
 657         "DISCONNECT_B3_CONF",
 658         0,
 659         "DATA_B3_CONF",
 660         "RESET_B3_CONF",
 661         0,
 662         0,
 663         0,
 664         "CONNECT_IND",
 665         "CONNECT_ACTIVE_IND",
 666         "DISCONNECT_IND",
 667         0,
 668         "MANUFACTURER_CONF",
 669         0,
 670         "INFO_IND",
 671         "FACILITY_IND",
 672         0,
 673         "CONNECT_B3_IND",
 674         "CONNECT_B3_ACTIVE_IND",
 675         "DISCONNECT_B3_IND",
 676         0,
 677         "DATA_B3_IND",
 678         "RESET_B3_IND",
 679         "CONNECT_B3_T90_ACTIVE_IND",
 680         0,
 681         0,
 682         "CONNECT_RESP",
 683         "CONNECT_ACTIVE_RESP",
 684         "DISCONNECT_RESP",
 685         0,
 686         "MANUFACTURER_IND",
 687         0,
 688         "INFO_RESP",
 689         "FACILITY_RESP",
 690         0,
 691         "CONNECT_B3_RESP",
 692         "CONNECT_B3_ACTIVE_RESP",
 693         "DISCONNECT_B3_RESP",
 694         0,
 695         "DATA_B3_RESP",
 696         "RESET_B3_RESP",
 697         "CONNECT_B3_T90_ACTIVE_RESP",
 698         0,
 699         0,
 700         0,
 701         0,
 702         0,
 703         0,
 704         "MANUFACTURER_RESP"
 705 };
 706
 707 char *capi_cmd2str(u8 cmd, u8 subcmd)
 708 {
 709         return mnames[command_2_index(cmd, subcmd)];
 710 }
 711
 712
 713 /*-------------------------------------------------------*/
 714 /*-------------------------------------------------------*/
 715
 716 static char *pnames[] =
 717 {
 718     /*00 */ 0,
 719     /*01 */ 0,
 720     /*02 */ 0,
 721     /*03 */ "Controller/PLCI/NCCI",
 722     /*04 */ "AdditionalInfo",
 723     /*05 */ "B1configuration",
 724     /*06 */ "B1protocol",
 725     /*07 */ "B2configuration",
 726     /*08 */ "B2protocol",
 727     /*09 */ "B3configuration",
 728     /*0a */ "B3protocol",
 729     /*0b */ "BC",
 730     /*0c */ "BChannelinformation",
 731     /*0d */ "BProtocol",
 732     /*0e */ "CalledPartyNumber",
 733     /*0f */ "CalledPartySubaddress",
 734     /*10 */ "CallingPartyNumber",
 735     /*11 */ "CallingPartySubaddress",
 736     /*12 */ "CIPmask",
 737     /*13 */ "CIPmask2",
 738     /*14 */ "CIPValue",
 739     /*15 */ "Class",
 740     /*16 */ "ConnectedNumber",
 741     /*17 */ "ConnectedSubaddress",
 742     /*18 */ "Data32",
 743     /*19 */ "DataHandle",
 744     /*1a */ "DataLength",
 745     /*1b */ "FacilityConfirmationParameter",
 746     /*1c */ "Facilitydataarray",
 747     /*1d */ "FacilityIndicationParameter",
 748     /*1e */ "FacilityRequestParameter",
 749     /*1f */ "FacilitySelector",
 750     /*20 */ "Flags",
 751     /*21 */ "Function",
 752     /*22 */ "HLC",
 753     /*23 */ "Info",
 754     /*24 */ "InfoElement",
 755     /*25 */ "InfoMask",
 756     /*26 */ "InfoNumber",
 757     /*27 */ "Keypadfacility",
 758     /*28 */ "LLC",
 759     /*29 */ "ManuData",
 760     /*2a */ "ManuID",
 761     /*2b */ "NCPI",
 762     /*2c */ "Reason",
 763     /*2d */ "Reason_B3",
 764     /*2e */ "Reject",
 765     /*2f */ "Useruserdata"
 766 };
 767
 768
 769 static char buf[8192];
 770 static char *p = 0;
 771
 772 #include <stdarg.h>
 773
 774 /*-------------------------------------------------------*/
 775 static void bufprint(char *fmt,...)
 776 {
 777         va_list f;
 778         va_start(f, fmt);
 779         vsprintf(p, fmt, f);
 780         va_end(f);
 781         p += strlen(p);
 782 }
 783
 784 static void printstructlen(u8 * m, unsigned len)
 785 {
 786         unsigned hex = 0;
 787         for (; len; len--, m++)
 788                 if (isalnum(*m) || *m == ' ') {
 789                         if (hex)
 790                                 bufprint(">");
 791                         bufprint("%c", *m);
 792                         hex = 0;
 793                 } else {
 794                         if (!hex)
 795                                 bufprint("<%02x", *m);
 796                         else
 797                                 bufprint(" %02x", *m);
 798                         hex = 1;
 799                 }
 800         if (hex)
 801                 bufprint(">");
 802 }
 803
 804 static void printstruct(u8 * m)
 805 {
 806         unsigned len;
 807         if (m[0] != 0xff) {
 808                 len = m[0];
 809                 m += 1;
 810         } else {
 811                 len = ((u16 *) (m + 1))[0];
 812                 m += 3;
 813         }
 814         printstructlen(m, len);
 815 }
 816
 817 /*-------------------------------------------------------*/
 818 #define NAME (pnames[cmsg->par[cmsg->p]])
 819
 820 static void protocol_message_2_pars(_cmsg * cmsg, int level)
 821 {
 822         for (; TYP != _CEND; cmsg->p++) {
 823                 int slen = 29 + 3 - level;
 824                 int i;
 825
 826                 bufprint("  ");
 827                 for (i = 0; i < level - 1; i++)
 828                         bufprint(" ");
 829
 830                 switch (TYP) {
 831                 case _CBYTE:
 832                         bufprint("%-*s = 0x%x\n", slen, NAME, *(u8 *) (cmsg->m + cmsg->l));
 833                         cmsg->l++;
 834                         break;
 835                 case _CWORD:
 836                         bufprint("%-*s = 0x%x\n", slen, NAME, *(u16 *) (cmsg->m + cmsg->l));
 837                         cmsg->l += 2;
 838                         break;
 839                 case _CDWORD:
 840                         bufprint("%-*s = 0x%lx\n", slen, NAME, *(u32 *) (cmsg->m + cmsg->l));
 841                         cmsg->l += 4;
 842                         break;
 843                 case _CSTRUCT:
 844                         bufprint("%-*s = ", slen, NAME);
 845                         if (cmsg->m[cmsg->l] == '\0')
 846                                 bufprint("default");
 847                         else
 848                                 printstruct(cmsg->m + cmsg->l);
 849                         bufprint("\n");
 850                         if (cmsg->m[cmsg->l] != 0xff)
 851                                 cmsg->l += 1 + cmsg->m[cmsg->l];
 852                         else
 853                                 cmsg->l += 3 + *(u16 *) (cmsg->m + cmsg->l + 1);
 854
 855                         break;
 856
 857                 case _CMSTRUCT:
 858 /*----- Metastruktur 0 -----*/
 859                         if (cmsg->m[cmsg->l] == '\0') {
 860                                 bufprint("%-*s = default\n", slen, NAME);
 861                                 cmsg->l++;
 862                                 jumpcstruct(cmsg);
 863                         } else {
 864                                 char *name = NAME;
 865                                 unsigned _l = cmsg->l;
 866                                 bufprint("%-*s\n", slen, name);
 867                                 cmsg->l = (cmsg->m + _l)[0] == 255 ? cmsg->l + 3 : cmsg->l + 1;
 868                                 cmsg->p++;
 869                                 protocol_message_2_pars(cmsg, level + 1);
 870                         }
 871                         break;
 872                 }
 873         }
 874 }
 875 /*-------------------------------------------------------*/
 876 char *capi_message2str(u8 * msg)
 877 {
 878
 879         _cmsg cmsg;
 880         p = buf;
 881         p[0] = 0;
 882
 883         cmsg.m = msg;
 884         cmsg.l = 8;
 885         cmsg.p = 0;
 886         byteTRcpy(cmsg.m + 4, &cmsg.Command);
 887         byteTRcpy(cmsg.m + 5, &cmsg.Subcommand);
 888         cmsg.par = cpars[command_2_index(cmsg.Command, cmsg.Subcommand)];
 889
 890         bufprint("%-26s ID=%03d #0x%04x LEN=%04d\n",
 891                  mnames[command_2_index(cmsg.Command, cmsg.Subcommand)],
 892                  ((unsigned short *) msg)[1],
 893                  ((unsigned short *) msg)[3],
 894                  ((unsigned short *) msg)[0]);
 895
 896         protocol_message_2_pars(&cmsg, 1);
 897         return buf;
 898 }
 899
 900 char *capi_cmsg2str(_cmsg * cmsg)
 901 {
 902         p = buf;
 903         p[0] = 0;
 904         cmsg->l = 8;
 905         cmsg->p = 0;
 906         bufprint("%s ID=%03d #0x%04x LEN=%04d\n",
 907                  mnames[command_2_index(cmsg->Command, cmsg->Subcommand)],
 908                  ((u16 *) cmsg->m)[1],
 909                  ((u16 *) cmsg->m)[3],
 910                  ((u16 *) cmsg->m)[0]);
 911         protocol_message_2_pars(cmsg, 1);
 912         return buf;
 913 }
 914
 915 EXPORT_SYMBOL(capi_cmsg2message);
 916 EXPORT_SYMBOL(capi_message2cmsg);
 917 EXPORT_SYMBOL(capi_cmsg_header);
 918 EXPORT_SYMBOL(capi_cmd2str);
 919 EXPORT_SYMBOL(capi_cmsg2str);
 920 EXPORT_SYMBOL(capi_message2str);
 921 EXPORT_SYMBOL(capi_info2str);