include/linux/isdn/capiutil.h

   1 /* $Id: capiutil.h,v 1.5.6.2 2001/09/23 22:24:33 kai Exp $
   2  *
   3  * CAPI 2.0 defines & types
   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 #ifndef __CAPIUTIL_H__
  14 #define __CAPIUTIL_H__
  15
  16 #include <asm/types.h>
  17
  18 #define CAPIMSG_BASELEN         8
  19 #define CAPIMSG_U8(m, off)      (m[off])
  20 #define CAPIMSG_U16(m, off)     (m[off]|(m[(off)+1]<<8))
  21 #define CAPIMSG_U32(m, off)     (m[off]|(m[(off)+1]<<8)|(m[(off)+2]<<16)|(m[(off)+3]<<24))
  22 #define CAPIMSG_LEN(m)          CAPIMSG_U16(m,0)
  23 #define CAPIMSG_APPID(m)        CAPIMSG_U16(m,2)
  24 #define CAPIMSG_COMMAND(m)      CAPIMSG_U8(m,4)
  25 #define CAPIMSG_SUBCOMMAND(m)   CAPIMSG_U8(m,5)
  26 #define CAPIMSG_CMD(m)          (((m[4])<<8)|(m[5]))
  27 #define CAPIMSG_MSGID(m)        CAPIMSG_U16(m,6)
  28 #define CAPIMSG_CONTROLLER(m)   (m[8] & 0x7f)
  29 #define CAPIMSG_CONTROL(m)      CAPIMSG_U32(m, 8)
  30 #define CAPIMSG_NCCI(m)         CAPIMSG_CONTROL(m)
  31 #define CAPIMSG_DATALEN(m)      CAPIMSG_U16(m,16) /* DATA_B3_REQ */
  32
  33 static inline void capimsg_setu8(void *m, int off, __u8 val)
  34 {
  35         ((__u8 *)m)[off] = val;
  36 }
  37
  38 static inline void capimsg_setu16(void *m, int off, __u16 val)
  39 {
  40         ((__u8 *)m)[off] = val & 0xff;
  41         ((__u8 *)m)[off+1] = (val >> 8) & 0xff;
  42 }
  43
  44 static inline void capimsg_setu32(void *m, int off, __u32 val)
  45 {
  46         ((__u8 *)m)[off] = val & 0xff;
  47         ((__u8 *)m)[off+1] = (val >> 8) & 0xff;
  48         ((__u8 *)m)[off+2] = (val >> 16) & 0xff;
  49         ((__u8 *)m)[off+3] = (val >> 24) & 0xff;
  50 }
  51
  52 #define CAPIMSG_SETLEN(m, len)          capimsg_setu16(m, 0, len)
  53 #define CAPIMSG_SETAPPID(m, applid)     capimsg_setu16(m, 2, applid)
  54 #define CAPIMSG_SETCOMMAND(m,cmd)       capimsg_setu8(m, 4, cmd)
  55 #define CAPIMSG_SETSUBCOMMAND(m, cmd)   capimsg_setu8(m, 5, cmd)
  56 #define CAPIMSG_SETMSGID(m, msgid)      capimsg_setu16(m, 6, msgid)
  57 #define CAPIMSG_SETCONTROL(m, contr)    capimsg_setu32(m, 8, contr)
  58 #define CAPIMSG_SETDATALEN(m, len)      capimsg_setu16(m, 16, len)
  59
  60 /*----- basic-type definitions -----*/
  61
  62 typedef __u8 *_cstruct;
  63
  64 typedef enum {
  65         CAPI_COMPOSE,
  66         CAPI_DEFAULT
  67 } _cmstruct;
  68
  69 /*
  70    The _cmsg structure contains all possible CAPI 2.0 parameter.
  71    All parameters are stored here first. The function CAPI_CMSG_2_MESSAGE
  72    assembles the parameter and builds CAPI2.0 conform messages.
  73    CAPI_MESSAGE_2_CMSG disassembles CAPI 2.0 messages and stores the
  74    parameter in the _cmsg structure
  75  */
  76
  77 typedef struct {
  78         /* Header */
  79         __u16 ApplId;
  80         __u8 Command;
  81         __u8 Subcommand;
  82         __u16 Messagenumber;
  83
  84         /* Parameter */
  85         union {
  86                 __u32 adrController;
  87                 __u32 adrPLCI;
  88                 __u32 adrNCCI;
  89         } adr;
  90
  91         _cmstruct AdditionalInfo;
  92         _cstruct B1configuration;
  93         __u16 B1protocol;
  94         _cstruct B2configuration;
  95         __u16 B2protocol;
  96         _cstruct B3configuration;
  97         __u16 B3protocol;
  98         _cstruct BC;
  99         _cstruct BChannelinformation;
 100         _cmstruct BProtocol;
 101         _cstruct CalledPartyNumber;
 102         _cstruct CalledPartySubaddress;
 103         _cstruct CallingPartyNumber;
 104         _cstruct CallingPartySubaddress;
 105         __u32 CIPmask;
 106         __u32 CIPmask2;
 107         __u16 CIPValue;
 108         __u32 Class;
 109         _cstruct ConnectedNumber;
 110         _cstruct ConnectedSubaddress;
 111         __u32 Data;
 112         __u16 DataHandle;
 113         __u16 DataLength;
 114         _cstruct FacilityConfirmationParameter;
 115         _cstruct Facilitydataarray;
 116         _cstruct FacilityIndicationParameter;
 117         _cstruct FacilityRequestParameter;
 118         __u16 FacilitySelector;
 119         __u16 Flags;
 120         __u32 Function;
 121         _cstruct HLC;
 122         __u16 Info;
 123         _cstruct InfoElement;
 124         __u32 InfoMask;
 125         __u16 InfoNumber;
 126         _cstruct Keypadfacility;
 127         _cstruct LLC;
 128         _cstruct ManuData;
 129         __u32 ManuID;
 130         _cstruct NCPI;
 131         __u16 Reason;
 132         __u16 Reason_B3;
 133         __u16 Reject;
 134         _cstruct Useruserdata;
 135
 136         /* intern */
 137         unsigned l, p;
 138         unsigned char *par;
 139         __u8 *m;
 140
 141         /* buffer to construct message */
 142         __u8 buf[180];
 143
 144 } _cmsg;
 145
 146 /*
 147  * capi_cmsg2message() assembles the parameter from _cmsg to a CAPI 2.0
 148  * conform message
 149  */
 150 unsigned capi_cmsg2message(_cmsg * cmsg, __u8 * msg);
 151
 152 /*
 153  *  capi_message2cmsg disassembles a CAPI message an writes the parameter
 154  *  into _cmsg for easy access
 155  */
 156 unsigned capi_message2cmsg(_cmsg * cmsg, __u8 * msg);
 157
 158 /*
 159  * capi_cmsg_header() fills the _cmsg structure with default values, so only
 160  * parameter with non default values must be changed before sending the
 161  * message.
 162  */
 163 unsigned capi_cmsg_header(_cmsg * cmsg, __u16 _ApplId,
 164                           __u8 _Command, __u8 _Subcommand,
 165                           __u16 _Messagenumber, __u32 _Controller);
 166
 167 /*
 168  * capi_info2str generated a readable string for Capi2.0 reasons.
 169  */
 170 char *capi_info2str(__u16 reason);
 171
 172 /*-----------------------------------------------------------------------*/
 173
 174 /*
 175  * Debugging / Tracing functions
 176  */
 177
 178 char *capi_cmd2str(__u8 cmd, __u8 subcmd);
 179
 180 typedef struct {
 181         u_char  *buf;
 182         u_char  *p;
 183         size_t  size;
 184         size_t  pos;
 185 } _cdebbuf;
 186
 187 #define CDEBUG_SIZE     1024
 188 #define CDEBUG_GSIZE    4096
 189
 190 void cdebbuf_free(_cdebbuf *cdb);
 191 int cdebug_init(void);
 192 void cdebug_exit(void);
 193
 194 _cdebbuf *capi_cmsg2str(_cmsg *cmsg);
 195 _cdebbuf *capi_message2str(__u8 *msg);
 196
 197 /*-----------------------------------------------------------------------*/
 198
 199 static inline void capi_cmsg_answer(_cmsg * cmsg)
 200 {
 201         cmsg->Subcommand |= 0x01;
 202 }
 203
 204 /*-----------------------------------------------------------------------*/
 205
 206 static inline void capi_fill_CONNECT_B3_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 207                                             __u32 adr,
 208                                             _cstruct NCPI)
 209 {
 210         capi_cmsg_header(cmsg, ApplId, 0x82, 0x80, Messagenumber, adr);
 211         cmsg->NCPI = NCPI;
 212 }
 213
 214 static inline void capi_fill_FACILITY_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 215                                           __u32 adr,
 216                                           __u16 FacilitySelector,
 217                                        _cstruct FacilityRequestParameter)
 218 {
 219         capi_cmsg_header(cmsg, ApplId, 0x80, 0x80, Messagenumber, adr);
 220         cmsg->FacilitySelector = FacilitySelector;
 221         cmsg->FacilityRequestParameter = FacilityRequestParameter;
 222 }
 223
 224 static inline void capi_fill_INFO_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 225                                       __u32 adr,
 226                                       _cstruct CalledPartyNumber,
 227                                       _cstruct BChannelinformation,
 228                                       _cstruct Keypadfacility,
 229                                       _cstruct Useruserdata,
 230                                       _cstruct Facilitydataarray)
 231 {
 232         capi_cmsg_header(cmsg, ApplId, 0x08, 0x80, Messagenumber, adr);
 233         cmsg->CalledPartyNumber = CalledPartyNumber;
 234         cmsg->BChannelinformation = BChannelinformation;
 235         cmsg->Keypadfacility = Keypadfacility;
 236         cmsg->Useruserdata = Useruserdata;
 237         cmsg->Facilitydataarray = Facilitydataarray;
 238 }
 239
 240 static inline void capi_fill_LISTEN_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 241                                         __u32 adr,
 242                                         __u32 InfoMask,
 243                                         __u32 CIPmask,
 244                                         __u32 CIPmask2,
 245                                         _cstruct CallingPartyNumber,
 246                                         _cstruct CallingPartySubaddress)
 247 {
 248         capi_cmsg_header(cmsg, ApplId, 0x05, 0x80, Messagenumber, adr);
 249         cmsg->InfoMask = InfoMask;
 250         cmsg->CIPmask = CIPmask;
 251         cmsg->CIPmask2 = CIPmask2;
 252         cmsg->CallingPartyNumber = CallingPartyNumber;
 253         cmsg->CallingPartySubaddress = CallingPartySubaddress;
 254 }
 255
 256 static inline void capi_fill_ALERT_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 257                                        __u32 adr,
 258                                        _cstruct BChannelinformation,
 259                                        _cstruct Keypadfacility,
 260                                        _cstruct Useruserdata,
 261                                        _cstruct Facilitydataarray)
 262 {
 263         capi_cmsg_header(cmsg, ApplId, 0x01, 0x80, Messagenumber, adr);
 264         cmsg->BChannelinformation = BChannelinformation;
 265         cmsg->Keypadfacility = Keypadfacility;
 266         cmsg->Useruserdata = Useruserdata;
 267         cmsg->Facilitydataarray = Facilitydataarray;
 268 }
 269
 270 static inline void capi_fill_CONNECT_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 271                                          __u32 adr,
 272                                          __u16 CIPValue,
 273                                          _cstruct CalledPartyNumber,
 274                                          _cstruct CallingPartyNumber,
 275                                          _cstruct CalledPartySubaddress,
 276                                          _cstruct CallingPartySubaddress,
 277                                          __u16 B1protocol,
 278                                          __u16 B2protocol,
 279                                          __u16 B3protocol,
 280                                          _cstruct B1configuration,
 281                                          _cstruct B2configuration,
 282                                          _cstruct B3configuration,
 283                                          _cstruct BC,
 284                                          _cstruct LLC,
 285                                          _cstruct HLC,
 286                                          _cstruct BChannelinformation,
 287                                          _cstruct Keypadfacility,
 288                                          _cstruct Useruserdata,
 289                                          _cstruct Facilitydataarray)
 290 {
 291
 292         capi_cmsg_header(cmsg, ApplId, 0x02, 0x80, Messagenumber, adr);
 293         cmsg->CIPValue = CIPValue;
 294         cmsg->CalledPartyNumber = CalledPartyNumber;
 295         cmsg->CallingPartyNumber = CallingPartyNumber;
 296         cmsg->CalledPartySubaddress = CalledPartySubaddress;
 297         cmsg->CallingPartySubaddress = CallingPartySubaddress;
 298         cmsg->B1protocol = B1protocol;
 299         cmsg->B2protocol = B2protocol;
 300         cmsg->B3protocol = B3protocol;
 301         cmsg->B1configuration = B1configuration;
 302         cmsg->B2configuration = B2configuration;
 303         cmsg->B3configuration = B3configuration;
 304         cmsg->BC = BC;
 305         cmsg->LLC = LLC;
 306         cmsg->HLC = HLC;
 307         cmsg->BChannelinformation = BChannelinformation;
 308         cmsg->Keypadfacility = Keypadfacility;
 309         cmsg->Useruserdata = Useruserdata;
 310         cmsg->Facilitydataarray = Facilitydataarray;
 311 }
 312
 313 static inline void capi_fill_DATA_B3_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 314                                          __u32 adr,
 315                                          __u32 Data,
 316                                          __u16 DataLength,
 317                                          __u16 DataHandle,
 318                                          __u16 Flags)
 319 {
 320
 321         capi_cmsg_header(cmsg, ApplId, 0x86, 0x80, Messagenumber, adr);
 322         cmsg->Data = Data;
 323         cmsg->DataLength = DataLength;
 324         cmsg->DataHandle = DataHandle;
 325         cmsg->Flags = Flags;
 326 }
 327
 328 static inline void capi_fill_DISCONNECT_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 329                                             __u32 adr,
 330                                             _cstruct BChannelinformation,
 331                                             _cstruct Keypadfacility,
 332                                             _cstruct Useruserdata,
 333                                             _cstruct Facilitydataarray)
 334 {
 335
 336         capi_cmsg_header(cmsg, ApplId, 0x04, 0x80, Messagenumber, adr);
 337         cmsg->BChannelinformation = BChannelinformation;
 338         cmsg->Keypadfacility = Keypadfacility;
 339         cmsg->Useruserdata = Useruserdata;
 340         cmsg->Facilitydataarray = Facilitydataarray;
 341 }
 342
 343 static inline void capi_fill_DISCONNECT_B3_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 344                                                __u32 adr,
 345                                                _cstruct NCPI)
 346 {
 347
 348         capi_cmsg_header(cmsg, ApplId, 0x84, 0x80, Messagenumber, adr);
 349         cmsg->NCPI = NCPI;
 350 }
 351
 352 static inline void capi_fill_MANUFACTURER_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 353                                               __u32 adr,
 354                                               __u32 ManuID,
 355                                               __u32 Class,
 356                                               __u32 Function,
 357                                               _cstruct ManuData)
 358 {
 359
 360         capi_cmsg_header(cmsg, ApplId, 0xff, 0x80, Messagenumber, adr);
 361         cmsg->ManuID = ManuID;
 362         cmsg->Class = Class;
 363         cmsg->Function = Function;
 364         cmsg->ManuData = ManuData;
 365 }
 366
 367 static inline void capi_fill_RESET_B3_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 368                                           __u32 adr,
 369                                           _cstruct NCPI)
 370 {
 371
 372         capi_cmsg_header(cmsg, ApplId, 0x87, 0x80, Messagenumber, adr);
 373         cmsg->NCPI = NCPI;
 374 }
 375
 376 static inline void capi_fill_SELECT_B_PROTOCOL_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 377                                                    __u32 adr,
 378                                                    __u16 B1protocol,
 379                                                    __u16 B2protocol,
 380                                                    __u16 B3protocol,
 381                                                 _cstruct B1configuration,
 382                                                 _cstruct B2configuration,
 383                                                 _cstruct B3configuration)
 384 {
 385
 386         capi_cmsg_header(cmsg, ApplId, 0x41, 0x80, Messagenumber, adr);
 387         cmsg->B1protocol = B1protocol;
 388         cmsg->B2protocol = B2protocol;
 389         cmsg->B3protocol = B3protocol;
 390         cmsg->B1configuration = B1configuration;
 391         cmsg->B2configuration = B2configuration;
 392         cmsg->B3configuration = B3configuration;
 393 }
 394
 395 static inline void capi_fill_CONNECT_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 396                                           __u32 adr,
 397                                           __u16 Reject,
 398                                           __u16 B1protocol,
 399                                           __u16 B2protocol,
 400                                           __u16 B3protocol,
 401                                           _cstruct B1configuration,
 402                                           _cstruct B2configuration,
 403                                           _cstruct B3configuration,
 404                                           _cstruct ConnectedNumber,
 405                                           _cstruct ConnectedSubaddress,
 406                                           _cstruct LLC,
 407                                           _cstruct BChannelinformation,
 408                                           _cstruct Keypadfacility,
 409                                           _cstruct Useruserdata,
 410                                           _cstruct Facilitydataarray)
 411 {
 412         capi_cmsg_header(cmsg, ApplId, 0x02, 0x83, Messagenumber, adr);
 413         cmsg->Reject = Reject;
 414         cmsg->B1protocol = B1protocol;
 415         cmsg->B2protocol = B2protocol;
 416         cmsg->B3protocol = B3protocol;
 417         cmsg->B1configuration = B1configuration;
 418         cmsg->B2configuration = B2configuration;
 419         cmsg->B3configuration = B3configuration;
 420         cmsg->ConnectedNumber = ConnectedNumber;
 421         cmsg->ConnectedSubaddress = ConnectedSubaddress;
 422         cmsg->LLC = LLC;
 423         cmsg->BChannelinformation = BChannelinformation;
 424         cmsg->Keypadfacility = Keypadfacility;
 425         cmsg->Useruserdata = Useruserdata;
 426         cmsg->Facilitydataarray = Facilitydataarray;
 427 }
 428
 429 static inline void capi_fill_CONNECT_ACTIVE_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 430                                                  __u32 adr)
 431 {
 432
 433         capi_cmsg_header(cmsg, ApplId, 0x03, 0x83, Messagenumber, adr);
 434 }
 435
 436 static inline void capi_fill_CONNECT_B3_ACTIVE_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 437                                                     __u32 adr)
 438 {
 439
 440         capi_cmsg_header(cmsg, ApplId, 0x83, 0x83, Messagenumber, adr);
 441 }
 442
 443 static inline void capi_fill_CONNECT_B3_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 444                                              __u32 adr,
 445                                              __u16 Reject,
 446                                              _cstruct NCPI)
 447 {
 448         capi_cmsg_header(cmsg, ApplId, 0x82, 0x83, Messagenumber, adr);
 449         cmsg->Reject = Reject;
 450         cmsg->NCPI = NCPI;
 451 }
 452
 453 static inline void capi_fill_CONNECT_B3_T90_ACTIVE_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 454                                                         __u32 adr)
 455 {
 456
 457         capi_cmsg_header(cmsg, ApplId, 0x88, 0x83, Messagenumber, adr);
 458 }
 459
 460 static inline void capi_fill_DATA_B3_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 461                                           __u32 adr,
 462                                           __u16 DataHandle)
 463 {
 464
 465         capi_cmsg_header(cmsg, ApplId, 0x86, 0x83, Messagenumber, adr);
 466         cmsg->DataHandle = DataHandle;
 467 }
 468
 469 static inline void capi_fill_DISCONNECT_B3_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 470                                                 __u32 adr)
 471 {
 472
 473         capi_cmsg_header(cmsg, ApplId, 0x84, 0x83, Messagenumber, adr);
 474 }
 475
 476 static inline void capi_fill_DISCONNECT_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 477                                              __u32 adr)
 478 {
 479
 480         capi_cmsg_header(cmsg, ApplId, 0x04, 0x83, Messagenumber, adr);
 481 }
 482
 483 static inline void capi_fill_FACILITY_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 484                                            __u32 adr,
 485                                            __u16 FacilitySelector)
 486 {
 487
 488         capi_cmsg_header(cmsg, ApplId, 0x80, 0x83, Messagenumber, adr);
 489         cmsg->FacilitySelector = FacilitySelector;
 490 }
 491
 492 static inline void capi_fill_INFO_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 493                                        __u32 adr)
 494 {
 495
 496         capi_cmsg_header(cmsg, ApplId, 0x08, 0x83, Messagenumber, adr);
 497 }
 498
 499 static inline void capi_fill_MANUFACTURER_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 500                                                __u32 adr,
 501                                                __u32 ManuID,
 502                                                __u32 Class,
 503                                                __u32 Function,
 504                                                _cstruct ManuData)
 505 {
 506
 507         capi_cmsg_header(cmsg, ApplId, 0xff, 0x83, Messagenumber, adr);
 508         cmsg->ManuID = ManuID;
 509         cmsg->Class = Class;
 510         cmsg->Function = Function;
 511         cmsg->ManuData = ManuData;
 512 }
 513
 514 static inline void capi_fill_RESET_B3_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
 515                                            __u32 adr)
 516 {
 517
 518         capi_cmsg_header(cmsg, ApplId, 0x87, 0x83, Messagenumber, adr);
 519 }
 520
 521 #endif                          /* __CAPIUTIL_H__ */