include/linux/sdla_x25.h

   1 /*****************************************************************************
   2 * sdla_x25.h    Sangoma X.25 firmware API definitions.
   3 *
   4 * Author:       Gene Kozin      <74604.152@compuserve.com>
   5 *
   6 * Copyright:    (c) 1995-1996 Sangoma Technologies Inc.
   7 *
   8 *               This program is free software; you can redistribute it and/or
   9 *               modify it under the terms of the GNU General Public License
  10 *               as published by the Free Software Foundation; either version
  11 *               2 of the License, or (at your option) any later version.
  12 * ============================================================================
  13 * Dec 13, 1996  Gene Kozin      Initial version
  14 *****************************************************************************/
  15 #ifndef _SDLA_X25_H
  16 #define _SDLA_X25_H
  17
  18 /*----------------------------------------------------------------------------
  19  * Notes:
  20  * ------
  21  * 1. All structures defined in this file are byte-aligned.  To ensure
  22  *    portability of this code between different platforms and compilers, one
  23  *    of the following defines must be defined before including this file:
  24  *
  25  *      Compiler        Platform        Define          Use option
  26  *      --------        --------        ------          ----------
  27  *      GNU C           Linux           _GNUC_          -
  28  *      Microsoft C     DOS/Windows     _MSC_           -
  29  *
  30  */
  31
  32 #ifdef          _GNUC_
  33 #  ifndef       PACKED
  34 #    define     PACKED  __attribute__((packed))
  35 #  endif        /* PACKED */
  36 #else
  37 #  define       PACKED
  38 #endif
  39 #ifdef          _MSC_
  40 #  pragma       pack(1)
  41 #endif
  42
  43 /****** CONSTANTS DEFINITIONS ***********************************************/
  44
  45 #define X25_MAX_CHAN    255     /* max number of open X.25 circuits */
  46 #define X25_MAX_DATA    1024    /* max length of X.25 data buffer */
  47
  48 /*
  49  * X.25 shared memory layout.
  50  */
  51 #define X25_MBOX_OFFS   0x16B0  /* general mailbox block */
  52 #define X25_RXMBOX_OFFS 0x1AD0  /* receive mailbox */
  53 #define X25_STATUS_OFFS 0x1EF0  /* X.25 status structure */
  54
  55 /****** DATA STRUCTURES *****************************************************/
  56
  57 /*----------------------------------------------------------------------------
  58  * X.25 Command Block.
  59  */
  60 typedef struct X25Cmd
  61 {
  62         unsigned char command   PACKED; /* command code */
  63         unsigned short length   PACKED; /* transfer data length */
  64         unsigned char result    PACKED; /* return code */
  65         unsigned char pf        PACKED; /* P/F bit */
  66         unsigned short lcn      PACKED; /* logical channel */
  67         unsigned char qdm       PACKED; /* Q/D/M bits */
  68         unsigned char cause     PACKED; /* cause field */
  69         unsigned char diagn     PACKED; /* diagnostics */
  70         unsigned char pktType   PACKED; /* packet type */
  71         unsigned char resrv[4]  PACKED; /* reserved */
  72 } TX25Cmd;
  73
  74 /*
  75  * Defines for the 'command' field.
  76  */
  77 /*----- General commands --------------*/
  78 #define X25_SET_GLOBAL_VARS     0x0B    /* set global variables */
  79 #define X25_READ_MODEM_STATUS   0x0C    /* read modem status */
  80 #define X25_READ_CODE_VERSION   0x15    /* read firmware version number */
  81 #define X25_TRACE_CONFIGURE     0x14    /* configure trace facility */
  82 #define X25_READ_TRACE_DATA     0x16    /* read trace data */
  83 #define X25_SET_INTERRUPT_MODE  0x17    /* set interrupt generation mode */
  84 #define X25_READ_INTERRUPT_MODE 0x18    /* read interrupt generation mode */
  85 /*----- HDLC-level commands -----------*/
  86 #define X25_HDLC_LINK_CONFIGURE 0x01    /* configure HDLC link level */
  87 #define X25_HDLC_LINK_OPEN      0x02    /* open HDLC link */
  88 #define X25_HDLC_LINK_CLOSE     0x03    /* close HDLC link */
  89 #define X25_HDLC_LINK_SETUP     0x04    /* set up HDLC link */
  90 #define X25_HDLC_LINK_DISC      0x05    /* disconnect DHLC link */
  91 #define X25_HDLC_LINK_STATUS    0x06    /* read DHLC link status */
  92 #define X25_HDLC_READ_STATS     0x07    /* read operational statistics */
  93 #define X25_HDLC_FLUSH_STATS    0x08    /* flush operational statistics */
  94 #define X25_HDLC_READ_COMM_ERR  0x09    /* read error statistics */
  95 #define X25_HDLC_FLUSH_COMM_ERR 0x0A    /* flush error statistics */
  96 #define X25_HDLC_FLUSH_BUFFERS  0x0D    /* flush HDLC-level data buffers */
  97 #define X25_HDLC_SPRVS_CNT_STAT 0x0F    /* read surervisory count status */
  98 #define X25_HDLC_SEND_UI_FRAME  0x10    /* send unnumbered information frame */
  99 #define X25_HDLC_WRITE          0x11    /* send HDLC information frame */
 100 #define X25_HDLC_READ           0x21    /* read HDLC information frame */
 101 #define X25_HDLC_READ_CONFIG    0x12    /* read HDLC configuration */
 102 #define X25_HDLC_SET_CONFIG     0x13    /* set HDLC configuration */
 103 /*----- X.25-level commands -----------*/
 104 #define X25_READ                0x22    /* read X.25 packet */
 105 #define X25_WRITE               0x23    /* send X.25 packet */
 106 #define X25_PLACE_CALL          0x30    /* place a call on SVC */
 107 #define X25_ACCEPT_CALL         0x31    /* accept incoming call */
 108 #define X25_CLEAR_CALL          0x32    /* clear call */
 109 #define X25_CLEAR_CONFRM        0x33    /* send clear confirmation packet */
 110 #define X25_RESET               0x34    /* send reset request packet */
 111 #define X25_RESET_CONFRM        0x35    /* send reset confirmation packet */
 112 #define X25_RESTART             0x36    /* send restart request packet */
 113 #define X25_RESTART_CONFRM      0x37    /* send restart confirmation packet */
 114 #define X25_INTERRUPT           0x38    /* send interrupt request packet */
 115 #define X25_INTERRUPT_CONFRM    0x39    /* send interrupt confirmation pkt */
 116 #define X25_REGISTRATION_RQST   0x3A    /* send registration request packet */
 117 #define X25_REGISTRATION_CONFRM 0x3B    /* send registration confirmation */
 118 #define X25_IS_DATA_AVAILABLE   0x40    /* querry receive queue */
 119 #define X25_INCOMING_CALL_CTL   0x41    /* select incoming call options */
 120 #define X25_CONFIGURE_PVC       0x42    /* configure PVC */
 121 #define X25_GET_ACTIVE_CHANNELS 0x43    /* get a list of active circuits */
 122 #define X25_READ_CHANNEL_CONFIG 0x44    /* read virt. circuit configuration */
 123 #define X25_FLUSH_DATA_BUFFERS  0x45    /* flush X.25-level data buffers */
 124 #define X25_READ_HISTORY_TABLE  0x46    /* read asynchronous event log */
 125 #define X25_HISTORY_TABLE_CTL   0x47    /* control asynchronous event log */
 126 #define X25_GET_TX_D_BIT_STATUS 0x48    /* is packet with D-bit acknowledged */
 127 #define X25_READ_STATISTICS     0x49    /* read X.25-level statistics */
 128 #define X25_FLUSH_STATISTICS    0x4A    /* flush X.25-level statistics */
 129 #define X25_READ_CONFIGURATION  0x50    /* read HDLC & X.25 configuration */
 130 #define X25_SET_CONFIGURATION   0x51    /* set HDLC & X.25 configuration */
 131
 132 /*
 133  * Defines for the 'result' field.
 134  */
 135 /*----- General results ---------------*/
 136 #define X25RES_OK               0x00
 137 #define X25RES_ERROR            0x01
 138 #define X25RES_LINK_NOT_IN_ABM  0x02    /* link is not in ABM mode */
 139 #define X25RES_LINK_CLOSED      0x03
 140 #define X25RES_INVAL_LENGTH     0x04
 141 #define X25RES_INVAL_CMD        0x05
 142 #define X25RES_UNNUMBERED_FRAME 0x06    /* unnumbered frame received */
 143 #define X25RES_FRM_REJECT_MODE  0x07    /* link is in Frame Reject mode */
 144 #define X25RES_MODEM_FAILURE    0x08    /* DCD and/or CTS dropped */
 145 #define X25RES_N2_RETRY_LIMIT   0x09    /* N2 retry limit has been exceeded */
 146 #define X25RES_INVAL_LCN        0x30    /* invalid logical channel number */
 147 #define X25RES_INVAL_STATE      0x31    /* channel is not in data xfer mode */
 148 #define X25RES_INVAL_DATA_LEN   0x32    /* invalid data length */
 149 #define X25RES_NOT_READY        0x33    /* no data available / buffers full */
 150 #define X25RES_NETWORK_DOWN     0x34
 151 #define X25RES_CHANNEL_IN_USE   0x35    /* there is data queued on this LCN */
 152 #define X25RES_REGST_NOT_SUPPRT 0x36    /* registration not supported */
 153 #define X25RES_INVAL_FORMAT     0x37    /* invalid packet format */
 154 #define X25RES_D_BIT_NOT_SUPPRT 0x38    /* D-bit pragmatics not supported */
 155 #define X25RES_FACIL_NOT_SUPPRT 0x39    /* Call facility not supported */
 156 #define X25RES_INVAL_CALL_ARG   0x3A    /* erroneous call arguments */
 157 #define X25RES_INVAL_CALL_DATA  0x3B    /* erroneous call user data */
 158 #define X25RES_ASYNC_PACKET     0x40    /* asynchronous packet received */
 159 #define X25RES_PROTO_VIOLATION  0x41    /* protocol violation occurred */
 160 #define X25RES_PKT_TIMEOUT      0x42    /* X.25 packet time out */
 161 #define X25RES_PKT_RETRY_LIMIT  0x43    /* X.25 packet retry limit exceeded */
 162 /*----- Command-dependent results -----*/
 163 #define X25RES_LINK_DISC        0x00    /* HDLC_LINK_STATUS */
 164 #define X25RES_LINK_IN_ABM      0x01    /* HDLC_LINK_STATUS */
 165 #define X25RES_NO_DATA          0x01    /* HDLC_READ/READ_TRACE_DATA*/
 166 #define X25RES_TRACE_INACTIVE   0x02    /* READ_TRACE_DATA */
 167 #define X25RES_LINK_IS_OPEN     0x01    /* HDLC_LINK_OPEN */
 168 #define X25RES_LINK_IS_DISC     0x02    /* HDLC_LINK_DISC */
 169 #define X25RES_LINK_IS_CLOSED   0x03    /* HDLC_LINK_CLOSE */
 170 #define X25RES_INVAL_PARAM      0x31    /* INCOMING_CALL_CTL */
 171 #define X25RES_INVAL_CONFIG     0x35    /* REGISTR_RQST/CONFRM */
 172
 173 /*
 174  * Defines for the 'qdm_bits' field.
 175  */
 176 #define X25CMD_Q_BIT_MASK       0x04
 177 #define X25CMD_D_BIT_MASK       0x02
 178 #define X25CMD_M_BIT_MASK       0x01
 179
 180 /*
 181  * Defines for the 'pkt_type' field.
 182  */
 183 /*----- Asynchronous events ------*/
 184 #define ASE_CLEAR_RQST          0x02
 185 #define ASE_RESET_RQST          0x04
 186 #define ASE_RESTART_RQST        0x08
 187 #define ASE_INTERRUPT           0x10
 188 #define ASE_DTE_REGISTR_RQST    0x20
 189 #define ASE_CALL_RQST           0x30
 190 #define ASE_CALL_ACCEPTED       0x31
 191 #define ASE_CLEAR_CONFRM        0x32
 192 #define ASE_RESET_CONFRM        0x33
 193 #define ASE_RESTART_CONFRM      0x34
 194 #define ASE_INTERRUPT_CONFRM    0x35
 195 #define ASE_DCE_REGISTR_CONFRM  0x36
 196 #define ASE_DIAGNOSTIC          0x37
 197 #define ASE_CALL_AUTO_CLEAR     0x38
 198 #define AUTO_RESPONSE_FLAG      0x80
 199 /*----- Time-Out events ----------*/
 200 #define TOE_RESTART_RQST        0x03
 201 #define TOE_CALL_RQST           0x05
 202 #define TOE_CLEAR_RQST          0x08
 203 #define TOE_RESET_RQST          0x0A
 204 /*----- Protocol Violation events */
 205 #define PVE_CLEAR_RQST          0x32
 206 #define PVE_RESET_RQST          0x33
 207 #define PVE_RESTART_RQST        0x34
 208 #define PVE_DIAGNOSTIC          0x37
 209
 210 /*----------------------------------------------------------------------------
 211  * X.25 Mailbox.
 212  *      This structure is located at offsets X25_MBOX_OFFS and X25_RXMBOX_OFFS
 213  *      into shared memory window.
 214  */
 215 typedef struct X25Mbox
 216 {
 217         unsigned char opflag    PACKED; /* 00h: execution flag */
 218         TX25Cmd cmd             PACKED; /* 01h: command block */
 219         unsigned char data[1]   PACKED; /* 10h: data buffer */
 220 } TX25Mbox;
 221
 222 /*----------------------------------------------------------------------------
 223  * X.25 Time Stamp Structure.
 224  */
 225 typedef struct X25TimeStamp
 226 {
 227         unsigned char month     PACKED;
 228         unsigned char date      PACKED;
 229         unsigned char sec       PACKED;
 230         unsigned char min       PACKED;
 231         unsigned char hour      PACKED;
 232 } TX25TimeStamp;
 233
 234 /*----------------------------------------------------------------------------
 235  * X.25 Status Block.
 236  *      This structure is located at offset X25_STATUS_OFF into shared memory
 237  *      window.
 238  */
 239 typedef struct X25Status
 240 {
 241         unsigned short pvc_map  PACKED; /* 00h: PVC map */
 242         unsigned short icc_map  PACKED; /* 02h: Incoming Chan. map */
 243         unsigned short twc_map  PACKED; /* 04h: Two-way Cnan. map */
 244         unsigned short ogc_map  PACKED; /* 06h: Outgoing Chan. map */
 245         TX25TimeStamp tstamp    PACKED; /* 08h: timestamp (BCD) */
 246         unsigned char iflags    PACKED; /* 0Dh: interrupt flags */
 247         unsigned char imask     PACKED; /* 0Eh: interrupt mask  */
 248         unsigned char resrv     PACKED; /* 0Eh: */
 249         unsigned char gflags    PACKED; /* 10h: misc. HDLC/X25 flags */
 250         unsigned char cflags[X25_MAX_CHAN] PACKED; /* channel status bytes */
 251 } TX25Status;
 252
 253 /*
 254  * Bitmasks for the 'iflags' field.
 255  */
 256 #define X25_RX_INTR     0x01    /* receive interrupt */
 257 #define X25_TX_INTR     0x02    /* transmit interrupt */
 258 #define X25_MODEM_INTR  0x04    /* modem status interrupt (CTS/DCD) */
 259 #define X25_EVENT_INTR  0x10    /* asynchronous event encountered */
 260 #define X25_CMD_INTR    0x08    /* interface command complete */
 261
 262 /*
 263  * Bitmasks for the 'gflags' field.
 264  */
 265 #define X25_HDLC_ABM    0x01    /* HDLC is in ABM mode */
 266 #define X25_RX_READY    0x02    /* X.25 data available */
 267 #define X25_TRACE_READY 0x08    /* trace data available */
 268 #define X25_EVENT_IND   0x20    /* asynchronous event indicator */
 269 #define X25_TX_READY    0x40    /* space is available in Tx buf.*/
 270
 271 /*
 272  * Bitmasks for the 'cflags' field.
 273  */
 274 #define X25_XFER_MODE   0x80    /* channel is in data transfer mode */
 275 #define X25_TXWIN_OPEN  0x40    /* transmit window open */
 276 #define X25_RXBUF_MASK  0x3F    /* number of data buffers available */
 277
 278 /*****************************************************************************
 279  * Following definitions structurize contents of the TX25Mbox.data field for
 280  * different X.25 interface commands.
 281  ****************************************************************************/
 282
 283 /* ---------------------------------------------------------------------------
 284  * X25_SET_GLOBAL_VARS Command.
 285  */
 286 typedef struct X25GlobalVars
 287 {
 288         unsigned char resrv     PACKED; /* 00h: reserved */
 289         unsigned char dtrCtl    PACKED; /* 01h: DTR control code */
 290         unsigned char resErr    PACKED; /* 01h: '1' - reset modem error */
 291 } TX25GlobalVars;
 292
 293 /*
 294  * Defines for the 'dtrCtl' field.
 295  */
 296 #define X25_RAISE_DTR   0x01
 297 #define X25_DROP_DTR    0x02
 298
 299 /* ---------------------------------------------------------------------------
 300  * X25_READ_MODEM_STATUS Command.
 301  */
 302 typedef struct X25ModemStatus
 303 {
 304         unsigned char   status  PACKED;         /* 00h: modem status */
 305 } TX25ModemStatus;
 306
 307 /*
 308  * Defines for the 'status' field.
 309  */
 310 #define X25_CTS_MASK    0x20
 311 #define X25_DCD_MASK    0x08
 312
 313 /* ---------------------------------------------------------------------------
 314  * X25_HDLC_LINK_STATUS Command.
 315  */
 316 typedef struct X25LinkStatus
 317 {
 318         unsigned char txQueued  PACKED; /* 00h: queued Tx I-frames*/
 319         unsigned char rxQueued  PACKED; /* 01h: queued Rx I-frames*/
 320         unsigned char station   PACKED; /* 02h: DTE/DCE config. */
 321         unsigned char reserved  PACKED; /* 03h: reserved */
 322         unsigned char sfTally   PACKED; /* 04h: supervisory frame tally */
 323 } TX25LinkStatus;
 324
 325 /*
 326  * Defines for the 'station' field.
 327  */
 328 #define X25_STATION_DTE 0x01    /* station configured as DTE */
 329 #define X25_STATION_DCE 0x02    /* station configured as DCE */
 330
 331 /* ---------------------------------------------------------------------------
 332  * X25_HDLC_READ_STATS Command.
 333  */
 334 typedef struct HdlcStats
 335 {                                               /*      a number of ... */
 336         unsigned short rxIFrames        PACKED; /* 00h: ready Rx I-frames */
 337         unsigned short rxNoseq          PACKED; /* 02h: frms out-of-sequence */
 338         unsigned short rxNodata         PACKED; /* 04h: I-frms without data */
 339         unsigned short rxDiscarded      PACKED; /* 06h: discarded frames */
 340         unsigned short rxTooLong        PACKED; /* 08h: frames too long */
 341         unsigned short rxBadAddr        PACKED; /* 0Ah: frms with inval.addr*/
 342         unsigned short txAcked          PACKED; /* 0Ch: acknowledged I-frms */
 343         unsigned short txRetransm       PACKED; /* 0Eh: re-transmit. I-frms */
 344         unsigned short t1Timeout        PACKED; /* 10h: T1 timeouts */
 345         unsigned short rxSABM           PACKED; /* 12h: received SABM frames */
 346         unsigned short rxDISC           PACKED; /* 14h: received DISC frames */
 347         unsigned short rxDM             PACKED; /* 16h: received DM frames */
 348         unsigned short rxFRMR           PACKED; /* 18h: FRMR frames received */
 349         unsigned short txSABM           PACKED; /* 1Ah: transm. SABM frames*/
 350         unsigned short txDISC           PACKED; /* 1Ch: transm. DISC frames*/
 351         unsigned short txDM             PACKED; /* 1Eh: transm. DM frames */
 352         unsigned short txFRMR           PACKED; /* 20h: transm. FRMR frames*/
 353 } THdlcStats;
 354
 355 /* ---------------------------------------------------------------------------
 356  * X25_HDLC_READ_COMM_ERR Command.
 357  */
 358 typedef struct HdlcCommErr
 359 {                                               /*      a number of ... */
 360         unsigned char rxOverrun         PACKED; /* 00h: Rx overrun errors */
 361         unsigned char rxBadCrc          PACKED; /* 01h: Rx CRC errors */
 362         unsigned char rxAborted         PACKED; /* 02h: Rx aborted frames */
 363         unsigned char rxDropped         PACKED; /* 03h: frames lost */
 364         unsigned char txAborted         PACKED; /* 04h: Tx aborted frames */
 365         unsigned char txUnderrun        PACKED; /* 05h: Tx underrun errors */
 366         unsigned char txMissIntr        PACKED; /* 06h: missed underrun ints */
 367         unsigned char reserved          PACKED; /* 07h: reserved */
 368         unsigned char droppedDCD        PACKED; /* 08h: times DCD dropped */
 369         unsigned char droppedCTS        PACKED; /* 09h: times CTS dropped */
 370 } THdlcCommErr;
 371
 372 /* ---------------------------------------------------------------------------
 373  * X25_SET_CONFIGURATION & X25_READ_CONFIGURATION Commands.
 374  */
 375 typedef struct X25Config
 376 {
 377         unsigned char baudRate          PACKED; /* 00h:  */
 378         unsigned char t1                PACKED; /* 01h:  */
 379         unsigned char t2                PACKED; /* 02h:  */
 380         unsigned char n2                PACKED; /* 03h:  */
 381         unsigned short hdlcMTU          PACKED; /* 04h:  */
 382         unsigned char hdlcWindow        PACKED; /* 06h:  */
 383         unsigned char t4                PACKED; /* 07h:  */
 384         unsigned char autoModem         PACKED; /* 08h:  */
 385         unsigned char autoHdlc          PACKED; /* 09h:  */
 386         unsigned char hdlcOptions       PACKED; /* 0Ah:  */
 387         unsigned char station           PACKED; /* 0Bh:  */
 388         unsigned char pktWindow         PACKED; /* 0Ch:  */
 389         unsigned short defPktSize       PACKED; /* 0Dh:  */
 390         unsigned short pktMTU           PACKED; /* 0Fh:  */
 391         unsigned short loPVC            PACKED; /* 11h:  */
 392         unsigned short hiPVC            PACKED; /* 13h:  */
 393         unsigned short loIncomingSVC    PACKED; /* 15h:  */
 394         unsigned short hiIncomingSVC    PACKED; /* 17h:  */
 395         unsigned short loTwoWaySVC      PACKED; /* 19h:  */
 396         unsigned short hiTwoWaySVC      PACKED; /* 1Bh:  */
 397         unsigned short loOutgoingSVC    PACKED; /* 1Dh:  */
 398         unsigned short hiOutgoingSVC    PACKED; /* 1Fh:  */
 399         unsigned short options          PACKED; /* 21h:  */
 400         unsigned char responseOpt       PACKED; /* 23h:  */
 401         unsigned short facil1           PACKED; /* 24h:  */
 402         unsigned short facil2           PACKED; /* 26h:  */
 403         unsigned short ccittFacil       PACKED; /* 28h:  */
 404         unsigned short otherFacil       PACKED; /* 2Ah:  */
 405         unsigned short ccittCompat      PACKED; /* 2Ch:  */
 406         unsigned char t10t20            PACKED; /* 2Eh:  */
 407         unsigned char t11t21            PACKED; /* 2Fh:  */
 408         unsigned char t12t22            PACKED; /* 30h:  */
 409         unsigned char t13t23            PACKED; /* 31h:  */
 410         unsigned char t16t26            PACKED; /* 32H:  */
 411         unsigned char t28               PACKED; /* 33h:  */
 412         unsigned char r10r20            PACKED; /* 34h:  */
 413         unsigned char r12r22            PACKED; /* 35h:  */
 414         unsigned char r13r23            PACKED; /* 36h:  */
 415 } TX25Config;
 416
 417 /* ---------------------------------------------------------------------------
 418  * X25_READ_CHANNEL_CONFIG Command.
 419  */
 420 typedef struct X25ChanAlloc                     /*----- Channel allocation -*/
 421 {
 422         unsigned short loPVC            PACKED; /* 00h: lowest PVC number */
 423         unsigned short hiPVC            PACKED; /* 02h: highest PVC number */
 424         unsigned short loIncomingSVC    PACKED; /* 04h: lowest incoming SVC */
 425         unsigned short hiIncomingSVC    PACKED; /* 06h: highest incoming SVC */
 426         unsigned short loTwoWaySVC      PACKED; /* 08h: lowest two-way SVC */
 427         unsigned short hiTwoWaySVC      PACKED; /* 0Ah: highest two-way SVC */
 428         unsigned short loOutgoingSVC    PACKED; /* 0Ch: lowest outgoing SVC */
 429         unsigned short hiOutgoingSVC    PACKED; /* 0Eh: highest outgoing SVC */
 430 } TX25ChanAlloc;
 431
 432 typedef struct X25ChanCfg               /*------ Channel configuration -----*/
 433 {
 434         unsigned char type      PACKED; /* 00h: channel type */
 435         unsigned char txConf    PACKED; /* 01h: Tx packet and window sizes */
 436         unsigned char rxConf    PACKED; /* 01h: Rx packet and window sizes */
 437 } TX25ChanCfg;
 438
 439 /*
 440  * Defines for the 'type' field.
 441  */
 442 #define X25_PVC         0x01    /* PVC */
 443 #define X25_SVC_IN      0x03    /* Incoming SVC */
 444 #define X25_SVC_TWOWAY  0x07    /* Two-way SVC */
 445 #define X25_SVC_OUT     0x0B    /* Outgoing SVC */
 446
 447 /*----------------------------------------------------------------------------
 448  * X25_READ_STATISTICS Command.
 449  */
 450 typedef struct X25Stats
 451 {                                               /* number of packets Tx/Rx'ed */
 452         unsigned short txRestartRqst    PACKED; /* 00h: Restart Request */
 453         unsigned short rxRestartRqst    PACKED; /* 02h: Restart Request */
 454         unsigned short txRestartConf    PACKED; /* 04h: Restart Confirmation */
 455         unsigned short rxRestartConf    PACKED; /* 06h: Restart Confirmation */
 456         unsigned short txResetRqst      PACKED; /* 08h: Reset Request */
 457         unsigned short rxResetRqst      PACKED; /* 0Ah: Reset Request */
 458         unsigned short txResetConf      PACKED; /* 0Ch: Reset Confirmation */
 459         unsigned short rxResetConf      PACKED; /* 0Eh: Reset Confirmation */
 460         unsigned short txCallRequest    PACKED; /* 10h: Call Request */
 461         unsigned short rxCallRequest    PACKED; /* 12h: Call Request */
 462         unsigned short txCallAccept     PACKED; /* 14h: Call Accept */
 463         unsigned short rxCallAccept     PACKED; /* 16h: Call Accept */
 464         unsigned short txClearRqst      PACKED; /* 18h: Clear Request */
 465         unsigned short rxClearRqst      PACKED; /* 1Ah: Clear Request */
 466         unsigned short txClearConf      PACKED; /* 1Ch: Clear Confirmation */
 467         unsigned short rxClearConf      PACKED; /* 1Eh: Clear Confirmation */
 468         unsigned short txDiagnostic     PACKED; /* 20h: Diagnostic */
 469         unsigned short rxDiagnostic     PACKED; /* 22h: Diagnostic */
 470         unsigned short txRegRqst        PACKED; /* 24h: Registration Request */
 471         unsigned short rxRegRqst        PACKED; /* 26h: Registration Request */
 472         unsigned short txRegConf        PACKED; /* 28h: Registration Confirm.*/
 473         unsigned short rxRegConf        PACKED; /* 2Ah: Registration Confirm.*/
 474         unsigned short txInterrupt      PACKED; /* 2Ch: Interrupt */
 475         unsigned short rxInterrupt      PACKED; /* 2Eh: Interrupt */
 476         unsigned short txIntrConf       PACKED; /* 30h: Interrupt Confirm. */
 477         unsigned short rxIntrConf       PACKED; /* 32h: Interrupt Confirm. */
 478         unsigned short txData           PACKED; /* 34h: Data */
 479         unsigned short rxData           PACKED; /* 36h: Data */
 480         unsigned short txRR             PACKED; /* 38h: RR */
 481         unsigned short rxRR             PACKED; /* 3Ah: RR */
 482         unsigned short txRNR            PACKED; /* 3Ch: RNR */
 483         unsigned short rxRNR            PACKED; /* 3Eh: RNR */
 484 } TX25Stats;
 485
 486 /*----------------------------------------------------------------------------
 487  * X25_READ_HISTORY_TABLE Command.
 488  */
 489 typedef struct X25EventLog
 490 {
 491         unsigned char   type    PACKED; /* 00h: transaction type */
 492         unsigned short  lcn     PACKED; /* 01h: logical channel num */
 493         unsigned char   packet  PACKED; /* 03h: async packet type */
 494         unsigned char   cause   PACKED; /* 04h: X.25 cause field */
 495         unsigned char   diag    PACKED; /* 05h: X.25 diag field */
 496         TX25TimeStamp   ts      PACKED; /* 06h: time stamp */
 497 } TX25EventLog;
 498
 499 /*
 500  * Defines for the 'type' field.
 501  */
 502 #define X25LOG_INCOMING         0x00
 503 #define X25LOG_APPLICATION      0x01
 504 #define X25LOG_AUTOMATIC        0x02
 505 #define X25LOG_ERROR            0x04
 506 #define X25LOG_TIMEOUT          0x08
 507 #define X25LOG_RECOVERY         0x10
 508
 509 /*
 510  * Defines for the 'packet' field.
 511  */
 512 #define X25LOG_CALL_RQST        0x0B
 513 #define X25LOG_CALL_ACCEPTED    0x0F
 514 #define X25LOG_CLEAR_RQST       0x13
 515 #define X25LOG_CLEAR_CONFRM     0x17
 516 #define X25LOG_RESET_RQST       0x1B
 517 #define X25LOG_RESET_CONFRM     0x1F
 518 #define X25LOG_RESTART_RQST     0xFB
 519 #define X25LOG_RESTART_COMFRM   0xFF
 520 #define X25LOG_DIAGNOSTIC       0xF1
 521 #define X25LOG_DTE_REG_RQST     0xF3
 522 #define X25LOG_DTE_REG_COMFRM   0xF7
 523
 524 /* ---------------------------------------------------------------------------
 525  * X25_TRACE_CONFIGURE Command.
 526  */
 527 typedef struct X25TraceCfg
 528 {
 529         unsigned char flags     PACKED; /* 00h: trace configuration flags */
 530         unsigned char timeout   PACKED; /* 01h: timeout for trace delay mode*/
 531 } TX25TraceCfg;
 532
 533 /*
 534  * Defines for the 'flags' field.
 535  */
 536 #define X25_TRC_ENABLE          0x01    /* bit0: '1' - trace enabled */
 537 #define X25_TRC_TIMESTAMP       0x02    /* bit1: '1' - time stamping enabled*/
 538 #define X25_TRC_DELAY           0x04    /* bit2: '1' - trace delay enabled */
 539 #define X25_TRC_DATA            0x08    /* bit3: '1' - trace data packets */
 540 #define X25_TRC_SUPERVISORY     0x10    /* bit4: '1' - trace suprvisory pkts*/
 541 #define X25_TRC_ASYNCHRONOUS    0x20    /* bit5: '1' - trace asynch. packets*/
 542 #define X25_TRC_HDLC            0x40    /* bit6: '1' - trace all packets */
 543 #define X25_TRC_READ            0x80    /* bit7: '1' - get current config. */
 544
 545 /* ---------------------------------------------------------------------------
 546  * X25_READ_TRACE_DATA Command.
 547  */
 548 typedef struct X25Trace                 /*----- Trace data structure -------*/
 549 {
 550         unsigned short length   PACKED; /* 00h: trace data length */
 551         unsigned char type      PACKED; /* 02h: trace type */
 552         unsigned char lost_cnt  PACKED; /* 03h: N of traces lost */
 553         TX25TimeStamp tstamp    PACKED; /* 04h: mon/date/sec/min/hour */
 554         unsigned short millisec PACKED; /* 09h: ms time stamp */
 555         unsigned char data[0]   PACKED; /* 0Bh: traced frame */
 556 } TX25Trace;
 557
 558 /*
 559  * Defines for the 'type' field.
 560  */
 561 #define X25_TRC_TYPE_MASK       0x0F    /* bits 0..3: trace type */
 562 #define X25_TRC_TYPE_RX_FRAME   0x00    /* received frame trace */
 563 #define X25_TRC_TYPE_TX_FRAME   0x01    /* transmitted frame */
 564 #define X25_TRC_TYPE_ERR_FRAME  0x02    /* error frame */
 565
 566 #define X25_TRC_ERROR_MASK      0xF0    /* bits 4..7: error code */
 567 #define X25_TRCERR_RX_ABORT     0x10    /* receive abort error */
 568 #define X25_TRCERR_RX_BADCRC    0x20    /* receive CRC error */
 569 #define X25_TRCERR_RX_OVERRUN   0x30    /* receiver overrun error */
 570 #define X25_TRCERR_RX_TOO_LONG  0x40    /* excessive frame length error */
 571 #define X25_TRCERR_TX_ABORT     0x70    /* aborted frame transmission error */
 572 #define X25_TRCERR_TX_UNDERRUN  0x80    /* transmit underrun error */
 573
 574 /*****************************************************************************
 575  * Following definitions describe HDLC frame and X.25 packet formats.
 576  ****************************************************************************/
 577
 578 typedef struct HDLCFrame                /*----- DHLC Frame Format ----------*/
 579 {
 580         unsigned char addr      PACKED; /* address field */
 581         unsigned char cntl      PACKED; /* control field */
 582         unsigned char data[0]   PACKED;
 583 } THDLCFrame;
 584
 585 typedef struct X25Pkt                   /*----- X.25 Packet Format ----------*/
 586 {
 587         unsigned char lcn_hi    PACKED; /* 4 MSB of Logical Channel Number */
 588         unsigned char lcn_lo    PACKED; /* 8 LSB of Logical Channel Number */
 589         unsigned char type      PACKED;
 590         unsigned char data[0]   PACKED;
 591 } TX25Pkt;
 592
 593 /*
 594  * Defines for the 'lcn_hi' field.
 595  */
 596 #define X25_Q_BIT_MASK          0x80    /* Data Qualifier Bit mask */
 597 #define X25_D_BIT_MASK          0x40    /* Delivery Confirmation Bit mask */
 598 #define X25_M_BITS_MASK         0x30    /* Modulo Bits mask */
 599 #define X25_LCN_MSB_MASK        0x0F    /* LCN most significant bits mask */
 600
 601 /*
 602  * Defines for the 'type' field.
 603  */
 604 #define X25PKT_DATA             0x01    /* Data packet mask */
 605 #define X25PKT_SUPERVISORY      0x02    /* Supervisory packet mask */
 606 #define X25PKT_CALL_RQST        0x0B    /* Call Request/Incoming */
 607 #define X25PKT_CALL_ACCEPTED    0x0F    /* Call Accepted/Connected */
 608 #define X25PKT_CLEAR_RQST       0x13    /* Clear Request/Indication */
 609 #define X25PKT_CLEAR_CONFRM     0x17    /* Clear Confirmation */
 610 #define X25PKT_RESET_RQST       0x1B    /* Reset Request/Indication */
 611 #define X25PKT_RESET_CONFRM     0x1F    /* Reset Confirmation */
 612 #define X25PKT_RESTART_RQST     0xFB    /* Restart Request/Indication */
 613 #define X25PKT_RESTART_CONFRM   0xFF    /* Restart Confirmation */
 614 #define X25PKT_INTERRUPT        0x23    /* Interrupt */
 615 #define X25PKT_INTERRUPT_CONFRM 0x27    /* Interrupt Confirmation */
 616 #define X25PKT_DIAGNOSTIC       0xF1    /* Diagnostic */
 617 #define X25PKT_REGISTR_RQST     0xF3    /* Registration Request */
 618 #define X25PKT_REGISTR_CONFRM   0xF7    /* Registration Confirmation */
 619 #define X25PKT_RR_MASKED        0x01    /* Receive Ready packet after masking */
 620 #define X25PKT_RNR_MASKED       0x05    /* Receive Not Ready after masking  */
 621
 622 #ifdef          _MSC_
 623 #  pragma       pack()
 624 #endif
 625 #endif  /* _SDLA_X25_H */