include/linux/sdla_fr.h

   1 /*****************************************************************************
   2 * sdla_fr.h     Sangoma frame relay firmware API definitions.
   3 *
   4 * Author:       Gideon Hack
   5 *               Nenad Corbic <ncorbic@sangoma.com>
   6 *
   7 * Copyright:    (c) 1995-2000 Sangoma Technologies Inc.
   8 *
   9 *               This program is free software; you can redistribute it and/or
  10 *               modify it under the terms of the GNU General Public License
  11 *               as published by the Free Software Foundation; either version
  12 *               2 of the License, or (at your option) any later version.
  13 * ============================================================================
  14 * Oct 04, 1999  Gideon Hack     Updated API structures
  15 * Jun 02, 1999  Gideon Hack     Modifications for S514 support
  16 * Oct 12, 1997  Jaspreet Singh  Added FR_READ_DLCI_IB_MAPPING
  17 * Jul 21, 1997  Jaspreet Singh  Changed FRRES_TOO_LONG and FRRES_TOO_MANY to
  18 *                               0x05 and 0x06 respectively.
  19 * Dec 23, 1996  Gene Kozin      v2.0
  20 * Apr 29, 1996  Gene Kozin      v1.0 (merged version S502 & S508 definitions).
  21 * Sep 26, 1995  Gene Kozin      Initial version.
  22 *****************************************************************************/
  23 #ifndef _SDLA_FR_H
  24 #define _SDLA_FR_H
  25
  26 /*----------------------------------------------------------------------------
  27  * Notes:
  28  * ------
  29  * 1. All structures defined in this file are byte-alined.
  30  *
  31  *      Compiler        Platform
  32  *      --------        --------
  33  *      GNU C           Linux
  34  */
  35
  36 #ifndef PACKED
  37 #    define     PACKED  __attribute__((packed))
  38 #endif  /* PACKED */
  39
  40 /* Adapter memory layout */
  41 #define FR_MB_VECTOR    0xE000  /* mailbox window vector */
  42 #define FR502_RX_VECTOR 0xA000  /* S502 direct receive window vector */
  43 #define FR502_MBOX_OFFS 0xF60   /* S502 mailbox offset */
  44 #define FR508_MBOX_OFFS 0       /* S508 mailbox offset */
  45 #define FR502_FLAG_OFFS 0x1FF0  /* S502 status flags offset */
  46 #define FR508_FLAG_OFFS 0x1000  /* S508 status flags offset */
  47 #define FR502_RXMB_OFFS 0x900   /* S502 direct receive mailbox offset */
  48 #define FR508_TXBC_OFFS 0x1100  /* S508 Tx buffer info offset */
  49 #define FR508_RXBC_OFFS 0x1120  /* S508 Rx buffer info offset */
  50
  51 /* Important constants */
  52 #define FR502_MAX_DATA  4096    /* maximum data buffer length */
  53 #define FR508_MAX_DATA  4080    /* maximum data buffer length */
  54 #define MIN_LGTH_FR_DATA_CFG         300     /* min Information frame length
  55 (for configuration purposes) */
  56 #define FR_MAX_NO_DATA_BYTES_IN_FRAME  15354    /* max Information frame length */
  57
  58 #define HIGHEST_VALID_DLCI      991
  59
  60 /****** Data Structures *****************************************************/
  61
  62 /*----------------------------------------------------------------------------
  63  * Frame relay command block.
  64  */
  65 typedef struct fr_cmd
  66 {
  67         unsigned char  command  PACKED; /* command code */
  68         unsigned short length   PACKED; /* length of data buffer */
  69         unsigned char  result   PACKED; /* return code */
  70         unsigned short dlci     PACKED; /* DLCI number */
  71         unsigned char  attr     PACKED; /* FECN, BECN, DE and C/R bits */
  72         unsigned short rxlost1  PACKED; /* frames discarded at int. level */
  73         unsigned long  rxlost2  PACKED; /* frames discarded at app. level */
  74         unsigned char  rsrv[2]  PACKED; /* reserved for future use */
  75 } fr_cmd_t;
  76
  77 /* 'command' field defines */
  78 #define FR_WRITE                0x01
  79 #define FR_READ                 0x02
  80 #define FR_ISSUE_IS_FRAME       0x03
  81 #define FR_SET_CONFIG           0x10
  82 #define FR_READ_CONFIG          0x11
  83 #define FR_COMM_DISABLE         0x12
  84 #define FR_COMM_ENABLE          0x13
  85 #define FR_READ_STATUS          0x14
  86 #define FR_READ_STATISTICS      0x15
  87 #define FR_FLUSH_STATISTICS     0x16
  88 #define FR_LIST_ACTIVE_DLCI     0x17
  89 #define FR_FLUSH_DATA_BUFFERS   0x18
  90 #define FR_READ_ADD_DLC_STATS   0x19
  91 #define FR_ADD_DLCI             0x20
  92 #define FR_DELETE_DLCI          0x21
  93 #define FR_ACTIVATE_DLCI        0x22
  94 #define FR_DEACTIVATE_DLCI      0x22
  95 #define FR_READ_MODEM_STATUS    0x30
  96 #define FR_SET_MODEM_STATUS     0x31
  97 #define FR_READ_ERROR_STATS     0x32
  98 #define FR_FLUSH_ERROR_STATS    0x33
  99 #define FR_READ_DLCI_IB_MAPPING 0x34
 100 #define FR_READ_CODE_VERSION    0x40
 101 #define FR_SET_INTR_MODE        0x50
 102 #define FR_READ_INTR_MODE       0x51
 103 #define FR_SET_TRACE_CONFIG     0x60
 104 #define FR_FT1_STATUS_CTRL      0x80
 105 #define FR_SET_FT1_MODE         0x81
 106
 107 /* Special UDP drivers management commands */
 108 #define FPIPE_ENABLE_TRACING            0x41
 109 #define FPIPE_DISABLE_TRACING           0x42
 110 #define FPIPE_GET_TRACE_INFO            0x43
 111 #define FPIPE_FT1_READ_STATUS           0x44
 112 #define FPIPE_DRIVER_STAT_IFSEND        0x45
 113 #define FPIPE_DRIVER_STAT_INTR          0x46
 114 #define FPIPE_DRIVER_STAT_GEN           0x47
 115 #define FPIPE_FLUSH_DRIVER_STATS        0x48
 116 #define FPIPE_ROUTER_UP_TIME            0x49
 117
 118 /* 'result' field defines */
 119 #define FRRES_OK                0x00    /* command executed successfully */
 120 #define FRRES_DISABLED          0x01    /* communications not enabled */
 121 #define FRRES_INOPERATIVE       0x02    /* channel inoperative */
 122 #define FRRES_DLCI_INACTIVE     0x03    /* DLCI is inactive */
 123 #define FRRES_DLCI_INVALID      0x04    /* DLCI is not configured */
 124 #define FRRES_TOO_LONG          0x05
 125 #define FRRES_TOO_MANY          0x06
 126 #define FRRES_CIR_OVERFLOW      0x07    /* Tx throughput has exceeded CIR */
 127 #define FRRES_BUFFER_OVERFLOW   0x08
 128 #define FRRES_MODEM_FAILURE     0x10    /* DCD and/or CTS dropped */
 129 #define FRRES_CHANNEL_DOWN      0x11    /* channel became inoperative */
 130 #define FRRES_CHANNEL_UP        0x12    /* channel became operative */
 131 #define FRRES_DLCI_CHANGE       0x13    /* DLCI status (or number) changed */
 132 #define FRRES_DLCI_MISMATCH     0x14
 133 #define FRRES_INVALID_CMD       0x1F    /* invalid command */
 134
 135 /* 'attr' field defines */
 136 #define FRATTR_
 137
 138 /*----------------------------------------------------------------------------
 139  * Frame relay mailbox.
 140  *      This structure is located at offset FR50?_MBOX_OFFS into FR_MB_VECTOR.
 141  *      For S502 it is also located at offset FR502_RXMB_OFFS into
 142  *      FR502_RX_VECTOR.
 143  */
 144 typedef struct fr_mbox
 145 {
 146         unsigned char opflag    PACKED; /* 00h: execution flag */
 147         fr_cmd_t cmd            PACKED; /* 01h: command block */
 148         unsigned char data[1]   PACKED; /* 10h: variable length data buffer */
 149 } fr_mbox_t;
 150
 151 /*----------------------------------------------------------------------------
 152  * S502 frame relay status flags.
 153  *      This structure is located at offset FR502_FLAG_OFFS into FR_MB_VECTOR.
 154  */
 155 typedef struct  fr502_flags
 156 {
 157         unsigned char rsrv1[1]  PACKED; /* 00h: */
 158         unsigned char tx_ready  PACKED; /* 01h: Tx buffer available */
 159         unsigned char rx_ready  PACKED; /* 02h: Rx frame available */
 160         unsigned char event     PACKED; /* 03h: asynchronous event */
 161         unsigned char mstatus   PACKED; /* 04h: modem status */
 162         unsigned char rsrv2[8]  PACKED; /* 05h: */
 163         unsigned char iflag     PACKED; /* 0Dh: interrupt flag */
 164         unsigned char imask     PACKED; /* 0Eh: interrupt mask */
 165 } fr502_flags_t;
 166
 167 /*----------------------------------------------------------------------------
 168  * S508 frame relay status flags.
 169  *      This structure is located at offset FR508_FLAG_OFFS into FR_MB_VECTOR.
 170  */
 171 typedef struct  fr508_flags
 172 {
 173         unsigned char rsrv1[3]  PACKED; /* 00h: reserved */
 174         unsigned char event     PACKED; /* 03h: asynchronous event */
 175         unsigned char mstatus   PACKED; /* 04h: modem status */
 176         unsigned char rsrv2[11] PACKED; /* 05h: reserved */
 177         unsigned char iflag     PACKED; /* 10h: interrupt flag */
 178         unsigned char imask     PACKED; /* 11h: interrupt mask */
 179         unsigned long tse_offs  PACKED; /* 12h: Tx status element */
 180         unsigned short dlci     PACKED; /* 16h: DLCI NUMBER */
 181 } fr508_flags_t;
 182
 183 /* 'event' field defines */
 184 #define FR_EVENT_STATUS         0x01    /* channel status change */
 185 #define FR_EVENT_DLC_STATUS     0x02    /* DLC status change */
 186 #define FR_EVENT_BAD_DLCI       0x04    /* FSR included wrong DLCI */
 187 #define FR_EVENT_LINK_DOWN      0x40    /* DCD or CTS low */
 188
 189 /* 'mstatus' field defines */
 190 #define FR_MDM_DCD              0x08    /* mdm_status: DCD */
 191 #define FR_MDM_CTS              0x20    /* mdm_status: CTS */
 192
 193 /* 'iflag' & 'imask' fields defines */
 194 #define FR_INTR_RXRDY           0x01    /* Rx ready */
 195 #define FR_INTR_TXRDY           0x02    /* Tx ready */
 196 #define FR_INTR_MODEM           0x04    /* modem status change (DCD, CTS) */
 197 #define FR_INTR_READY           0x08    /* interface command completed */
 198 #define FR_INTR_DLC             0x10    /* DLC status change */
 199 #define FR_INTR_TIMER           0x20    /* millisecond timer */
 200 #define FR_INTR_TX_MULT_DLCIs   0x80    /* Tx interrupt on multiple DLCIs */
 201
 202
 203 /*----------------------------------------------------------------------------
 204  * Receive Buffer Configuration Info. S508 only!
 205  *      This structure is located at offset FR508_RXBC_OFFS into FR_MB_VECTOR.
 206  */
 207 typedef struct  fr_buf_info
 208 {
 209         unsigned short rse_num  PACKED; /* 00h: number of status elements */
 210         unsigned long rse_base  PACKED; /* 02h: receive status array base */
 211         unsigned long rse_next  PACKED; /* 06h: next status element */
 212         unsigned long buf_base  PACKED; /* 0Ah: rotational buffer base */
 213         unsigned short reserved PACKED; /* 0Eh:  */
 214         unsigned long buf_top   PACKED; /* 10h: rotational buffer top */
 215 } fr_buf_info_t;
 216
 217 /*----------------------------------------------------------------------------
 218  * Buffer Status Element. S508 only!
 219  *      Array of structures of this type is located at offset defined by the
 220  *      'rse_base' field of the frBufInfo_t structure into absolute adapter
 221  *      memory address space.
 222  */
 223 typedef struct  fr_rx_buf_ctl
 224 {
 225         unsigned char flag      PACKED; /* 00h: ready flag */
 226         unsigned short length   PACKED; /* 01h: frame length */
 227         unsigned short dlci     PACKED; /* 03h: DLCI */
 228         unsigned char attr      PACKED; /* 05h: FECN/BECN/DE/CR */
 229         unsigned short tmstamp  PACKED; /* 06h: time stamp */
 230         unsigned short rsrv[2]  PACKED; /* 08h:  */
 231         unsigned long offset    PACKED; /* 0Ch: buffer absolute address */
 232 } fr_rx_buf_ctl_t;
 233
 234 typedef struct  fr_tx_buf_ctl
 235 {
 236         unsigned char flag      PACKED; /* 00h: ready flag */
 237         unsigned short rsrv0[2] PACKED; /* 01h: */
 238         unsigned short length   PACKED; /* 05h: frame length */
 239         unsigned short dlci     PACKED; /* 07h: DLCI */
 240         unsigned char attr      PACKED; /* 09h: FECN/BECN/DE/CR */
 241         unsigned short rsrv1    PACKED; /* 0Ah:  */
 242         unsigned long offset    PACKED; /* 0Ch: buffer absolute address */
 243 } fr_tx_buf_ctl_t;
 244
 245 /*----------------------------------------------------------------------------
 246  * Global Configuration Block. Passed to FR_SET_CONFIG command when dlci == 0.
 247  */
 248 typedef struct  fr_conf
 249 {
 250         unsigned short station  PACKED; /* 00h: CPE/Node */
 251         unsigned short options  PACKED; /* 02h: configuration options */
 252         unsigned short kbps     PACKED; /* 04h: baud rate in kbps */
 253         unsigned short port     PACKED; /* 06h: RS-232/V.35 */
 254         unsigned short mtu      PACKED; /* 08h: max. transmit length */
 255         unsigned short t391     PACKED; /* 0Ah:  */
 256         unsigned short t392     PACKED; /* 0Ch:  */
 257         unsigned short n391     PACKED; /* 0Eh:  */
 258         unsigned short n392     PACKED; /* 10h:  */
 259         unsigned short n393     PACKED; /* 12h:  */
 260         unsigned short cir_fwd  PACKED; /* 14h:  */
 261         unsigned short bc_fwd   PACKED; /* 16h:  */
 262         unsigned short be_fwd   PACKED; /* 18h:  */
 263         unsigned short cir_bwd  PACKED; /* 1Ah:  */
 264         unsigned short bc_bwd   PACKED; /* 1Ch:  */
 265         unsigned short be_bwd   PACKED; /* 1Eh:  */
 266         unsigned short dlci[0]  PACKED; /* 20h:  */
 267 } fr_conf_t;
 268
 269 /* 'station_type' defines */
 270 #define FRCFG_STATION_CPE       0
 271 #define FRCFG_STATION_NODE      1
 272
 273 /* 'conf_flags' defines */
 274 #define FRCFG_IGNORE_TX_CIR     0x0001
 275 #define FRCFG_IGNORE_RX_CIR     0x0002
 276 #define FRCFG_DONT_RETRANSMIT   0x0004
 277 #define FRCFG_IGNORE_CBS        0x0008
 278 #define FRCFG_THROUGHPUT        0x0010  /* enable throughput calculation */
 279 #define FRCFG_DIRECT_RX         0x0080  /* enable direct receive buffer */
 280 #define FRCFG_AUTO_CONFIG       0x8000  /* enable  auto DLCI configuration */
 281
 282 /* 'baud_rate' defines */
 283 #define FRCFG_BAUD_1200         12
 284 #define FRCFG_BAUD_2400         24
 285 #define FRCFG_BAUD_4800         48
 286 #define FRCFG_BAUD_9600         96
 287 #define FRCFG_BAUD_19200        19
 288 #define FRCFG_BAUD_38400        38
 289 #define FRCFG_BAUD_56000        56
 290 #define FRCFG_BAUD_64000        64
 291 #define FRCFG_BAUD_128000       128
 292
 293 /* 'port_mode' defines */
 294 #define FRCFG_MODE_EXT_CLK      0x0000
 295 #define FRCFG_MODE_INT_CLK      0x0001
 296 #define FRCFG_MODE_V35          0x0000  /* S508 only */
 297 #define FRCFG_MODE_RS232        0x0002  /* S508 only */
 298
 299 /* defines for line tracing */
 300
 301 /* the line trace status element presented by the frame relay code */
 302 typedef struct {
 303         unsigned char flag      PACKED; /* ready flag */
 304         unsigned short length   PACKED; /* trace length */
 305         unsigned char rsrv0[2]  PACKED; /* reserved */
 306         unsigned char attr      PACKED; /* trace attributes */
 307         unsigned short tmstamp  PACKED; /* time stamp */
 308         unsigned char rsrv1[4]  PACKED; /* reserved */
 309         unsigned long offset    PACKED; /* buffer absolute address */
 310 } fr_trc_el_t;
 311
 312 typedef struct {
 313         unsigned char status            PACKED; /* status flag */
 314         unsigned char data_passed       PACKED; /* 0 if no data passed, 1 if */
 315                                                 /* data passed */
 316         unsigned short length           PACKED; /* frame length */
 317         unsigned short tmstamp          PACKED; /* time stamp */
 318 } fpipemon_trc_hdr_t;
 319
 320 typedef struct {
 321         fpipemon_trc_hdr_t fpipemon_trc_hdr                     PACKED;
 322         unsigned char data[FR_MAX_NO_DATA_BYTES_IN_FRAME]       PACKED;
 323 } fpipemon_trc_t;
 324
 325 /* bit settings for the 'status' byte  - note that bits 1, 2 and 3 are used */
 326 /* for returning the number of frames being passed to fpipemon */
 327 #define TRC_OUTGOING_FRM        0x01
 328 #define TRC_ABORT_ERROR         0x10
 329 #define TRC_CRC_ERROR           0x20
 330 #define TRC_OVERRUN_ERROR       0x40
 331 #define MORE_TRC_DATA           0x80
 332
 333 #define MAX_FRMS_TRACED         0x07
 334
 335 #define NO_TRC_ELEMENTS_OFF             0x9000
 336 #define BASE_TRC_ELEMENTS_OFF           0x9002
 337 #define TRC_ACTIVE                      0x01
 338 #define FLUSH_TRC_BUFFERS               0x02
 339 #define FLUSH_TRC_STATISTICS            0x04
 340 #define TRC_SIGNALLING_FRMS             0x10
 341 #define TRC_INFO_FRMS                   0x20
 342 #define ACTIVATE_TRC    (TRC_ACTIVE | TRC_SIGNALLING_FRMS | TRC_INFO_FRMS)
 343 #define RESET_TRC       (FLUSH_TRC_BUFFERS | FLUSH_TRC_STATISTICS)
 344
 345 /*----------------------------------------------------------------------------
 346  * Channel configuration.
 347  *      This structure is passed to the FR_SET_CONFIG command when dlci != 0.
 348  */
 349 typedef struct  fr_dlc_conf
 350 {
 351         unsigned short conf_flags       PACKED; /* 00h: configuration bits */
 352         unsigned short cir_fwd          PACKED; /* 02h:  */
 353         unsigned short bc_fwd           PACKED; /* 04h:  */
 354         unsigned short be_fwd           PACKED; /* 06h:  */
 355         unsigned short cir_bwd          PACKED; /* 08h:  */
 356         unsigned short bc_bwd           PACKED; /* 0Ah:  */
 357         unsigned short be_bwd           PACKED; /* 0Ch:  */
 358 } fr_dlc_conf_t;
 359
 360 /*----------------------------------------------------------------------------
 361  * S502 interrupt mode control block.
 362  *      This structure is passed to the FR_SET_INTR_FLAGS and returned by the
 363  *      FR_READ_INTR_FLAGS commands.
 364  */
 365 typedef struct fr502_intr_ctl
 366 {
 367         unsigned char mode      PACKED; /* 00h: interrupt enable flags */
 368         unsigned short tx_len   PACKED; /* 01h: required Tx buffer size */
 369 } fr502_intr_ctl_t;
 370
 371 /*----------------------------------------------------------------------------
 372  * S508 interrupt mode control block.
 373  *      This structure is passed to the FR_SET_INTR_FLAGS and returned by the
 374  *      FR_READ_INTR_FLAGS commands.
 375  */
 376 typedef struct fr508_intr_ctl
 377 {
 378         unsigned char mode      PACKED; /* 00h: interrupt enable flags */
 379         unsigned short tx_len   PACKED; /* 01h: required Tx buffer size */
 380         unsigned char irq       PACKED; /* 03h: IRQ level to activate */
 381         unsigned char flags     PACKED; /* 04h: ?? */
 382         unsigned short timeout  PACKED; /* 05h: ms, for timer interrupt */
 383 } fr508_intr_ctl_t;
 384
 385 /*----------------------------------------------------------------------------
 386  * Channel status.
 387  *      This structure is returned by the FR_READ_STATUS command.
 388  */
 389 typedef struct  fr_dlc_Status
 390 {
 391         unsigned char status            PACKED; /* 00h: link/DLCI status */
 392         struct
 393         {
 394                 unsigned short dlci     PACKED; /* 01h: DLCI number */
 395                 unsigned char status    PACKED; /* 03h: DLCI status */
 396         } circuit[1]                    PACKED;
 397 } fr_dlc_status_t;
 398
 399 /* 'status' defines */
 400 #define FR_LINK_INOPER  0x00            /* for global status (DLCI == 0) */
 401 #define FR_LINK_OPER    0x01
 402 #define FR_DLCI_DELETED 0x01            /* for circuit status (DLCI != 0) */
 403 #define FR_DLCI_ACTIVE  0x02
 404 #define FR_DLCI_WAITING 0x04
 405 #define FR_DLCI_NEW     0x08
 406 #define FR_DLCI_REPORT  0x40
 407
 408 /*----------------------------------------------------------------------------
 409  * Global Statistics Block.
 410  *      This structure is returned by the FR_READ_STATISTICS command when
 411  *      dcli == 0.
 412  */
 413 typedef struct  fr_link_stat
 414 {
 415         unsigned short rx_too_long      PACKED; /* 00h:  */
 416         unsigned short rx_dropped       PACKED; /* 02h:  */
 417         unsigned short rx_dropped2      PACKED; /* 04h:  */
 418         unsigned short rx_bad_dlci      PACKED; /* 06h:  */
 419         unsigned short rx_bad_format    PACKED; /* 08h:  */
 420         unsigned short retransmitted    PACKED; /* 0Ah:  */
 421         unsigned short cpe_tx_FSE       PACKED; /* 0Ch:  */
 422         unsigned short cpe_tx_LIV       PACKED; /* 0Eh:  */
 423         unsigned short cpe_rx_FSR       PACKED; /* 10h:  */
 424         unsigned short cpe_rx_LIV       PACKED; /* 12h:  */
 425         unsigned short node_rx_FSE      PACKED; /* 14h:  */
 426         unsigned short node_rx_LIV      PACKED; /* 16h:  */
 427         unsigned short node_tx_FSR      PACKED; /* 18h:  */
 428         unsigned short node_tx_LIV      PACKED; /* 1Ah:  */
 429         unsigned short rx_ISF_err       PACKED; /* 1Ch:  */
 430         unsigned short rx_unsolicited   PACKED; /* 1Eh:  */
 431         unsigned short rx_SSN_err       PACKED; /* 20h:  */
 432         unsigned short rx_RSN_err       PACKED; /* 22h:  */
 433         unsigned short T391_timeouts    PACKED; /* 24h:  */
 434         unsigned short T392_timeouts    PACKED; /* 26h:  */
 435         unsigned short N392_reached     PACKED; /* 28h:  */
 436         unsigned short cpe_SSN_RSN      PACKED; /* 2Ah:  */
 437         unsigned short current_SSN      PACKED; /* 2Ch:  */
 438         unsigned short current_RSN      PACKED; /* 2Eh:  */
 439         unsigned short curreny_T391     PACKED; /* 30h:  */
 440         unsigned short current_T392     PACKED; /* 32h:  */
 441         unsigned short current_N392     PACKED; /* 34h:  */
 442         unsigned short current_N393     PACKED; /* 36h:  */
 443 } fr_link_stat_t;
 444
 445 /*----------------------------------------------------------------------------
 446  * DLCI statistics.
 447  *      This structure is returned by the FR_READ_STATISTICS command when
 448  *      dlci != 0.
 449  */
 450 typedef struct  fr_dlci_stat
 451 {
 452         unsigned long tx_frames         PACKED; /* 00h:  */
 453         unsigned long tx_bytes          PACKED; /* 04h:  */
 454         unsigned long rx_frames         PACKED; /* 08h:  */
 455         unsigned long rx_bytes          PACKED; /* 0Ch:  */
 456         unsigned long rx_dropped        PACKED; /* 10h:  */
 457         unsigned long rx_inactive       PACKED; /* 14h:  */
 458         unsigned long rx_exceed_CIR     PACKED; /* 18h:  */
 459         unsigned long rx_DE_set         PACKED; /* 1Ch:  */
 460         unsigned long tx_throughput     PACKED; /* 20h:  */
 461         unsigned long tx_calc_timer     PACKED; /* 24h:  */
 462         unsigned long rx_throughput     PACKED; /* 28h:  */
 463         unsigned long rx_calc_timer     PACKED; /* 2Ch:  */
 464 } fr_dlci_stat_t;
 465
 466 /*----------------------------------------------------------------------------
 467  * Communications error statistics.
 468  *      This structure is returned by the FR_READ_ERROR_STATS command.
 469  */
 470 typedef struct  fr_comm_stat
 471 {
 472         unsigned char rx_overruns       PACKED; /* 00h:  */
 473         unsigned char rx_bad_crc        PACKED; /* 01h:  */
 474         unsigned char rx_aborts         PACKED; /* 02h:  */
 475         unsigned char rx_too_long       PACKED; /* 03h:  */
 476         unsigned char tx_aborts         PACKED; /* 04h:  */
 477         unsigned char tx_underruns      PACKED; /* 05h:  */
 478         unsigned char tx_missed_undr    PACKED; /* 06h:  */
 479         unsigned char dcd_dropped       PACKED; /* 07h:  */
 480         unsigned char cts_dropped       PACKED; /* 08h:  */
 481 } fr_comm_stat_t;
 482
 483 /*----------------------------------------------------------------------------
 484  * Defines for the FR_ISSUE_IS_FRAME command.
 485  */
 486 #define FR_ISF_LVE      2               /* issue Link Verification Enquiry */
 487 #define FR_ISF_FSE      3               /* issue Full Status Enquiry */
 488
 489 /*----------------------------------------------------------------------------
 490  * Frame Relay ARP Header -- Used for Dynamic route creation with InvARP
 491  */
 492
 493 typedef struct arphdr_fr
 494         {
 495         unsigned short ar_hrd PACKED;           /* format of hardware addr */
 496         unsigned short ar_pro PACKED;           /* format of protocol addr */
 497         unsigned char  ar_hln PACKED;           /* length of hardware addr */
 498         unsigned char  ar_pln PACKED;           /* length of protocol addr */
 499         unsigned short ar_op  PACKED;           /* ARP opcode              */
 500         unsigned short ar_sha PACKED;           /* Sender DLCI addr 2 bytes */
 501         unsigned long  ar_sip PACKED;           /* Sender IP   addr 4 bytes */
 502         unsigned short ar_tha PACKED;           /* Target DLCI addr 2 bytes */
 503         unsigned long  ar_tip PACKED;           /* Target IP   addr 4 bytes */
 504         } arphdr_fr_t;
 505
 506 /*----------------------------------------------------------------------------
 507  * Frame Relay RFC 1490 SNAP Header -- Used to check for ARP packets
 508  */
 509 typedef struct arphdr_1490
 510         {
 511         unsigned char control PACKED;           /* UI, etc...  */
 512         unsigned char pad     PACKED;           /* Pad */
 513         unsigned char NLPID   PACKED;           /* SNAP */
 514         unsigned char OUI[3]  PACKED;           /* Ethertype, etc... */
 515         unsigned short PID    PACKED;           /* ARP, IP, etc... */
 516         }  arphdr_1490_t;
 517
 518 /* UDP/IP packet (for UDP management) layout */
 519
 520 /* The embedded control block for UDP mgmt
 521    This is essentially a mailbox structure, without the large data field */
 522
 523 typedef struct {
 524         unsigned char  opp_flag PACKED; /* the opp flag */
 525         unsigned char  command  PACKED; /* command code */
 526         unsigned short length   PACKED; /* length of data buffer */
 527         unsigned char  result   PACKED; /* return code */
 528         unsigned short dlci     PACKED; /* DLCI number */
 529         unsigned char  attr     PACKED; /* FECN, BECN, DE and C/R bits */
 530         unsigned short rxlost1  PACKED; /* frames discarded at int. level */
 531         unsigned long  rxlost2  PACKED; /* frames discarded at app. level */
 532         unsigned char  rsrv[2]  PACKED; /* reserved for future use */
 533 } cblock_t;
 534
 535
 536 /* UDP management packet layout (data area of ip packet) */
 537
 538 typedef struct {
 539         unsigned char   control                 PACKED;
 540         unsigned char   NLPID                   PACKED;
 541 } fr_encap_hdr_t;
 542
 543 typedef struct {
 544 //      fr_encap_hdr_t          fr_encap_hdr    PACKED;
 545         ip_pkt_t                ip_pkt          PACKED;
 546         udp_pkt_t               udp_pkt         PACKED;
 547         wp_mgmt_t               wp_mgmt         PACKED;
 548         cblock_t                cblock          PACKED;
 549         unsigned char           data[4080]      PACKED;
 550 } fr_udp_pkt_t;
 551
 552
 553 /* valid ip_protocol for UDP management */
 554 #define UDPMGMT_UDP_PROTOCOL 0x11
 555
 556 #define UDPMGMT_FPIPE_SIGNATURE         "FPIPE8ND"
 557 #define UDPMGMT_DRVRSTATS_SIGNATURE     "DRVSTATS"
 558
 559 /* values for request/reply byte */
 560 #define UDPMGMT_REQUEST 0x01
 561 #define UDPMGMT_REPLY   0x02
 562 #define UDP_OFFSET      12
 563
 564 typedef struct {
 565         unsigned long if_send_entry;
 566         unsigned long if_send_skb_null;
 567         unsigned long if_send_broadcast;
 568         unsigned long if_send_multicast;
 569         unsigned long if_send_critical_ISR;
 570         unsigned long if_send_critical_non_ISR;
 571         unsigned long if_send_busy;
 572         unsigned long if_send_busy_timeout;
 573         unsigned long if_send_DRVSTATS_request;
 574         unsigned long if_send_FPIPE_request;
 575         unsigned long if_send_wan_disconnected;
 576         unsigned long if_send_dlci_disconnected;
 577         unsigned long if_send_no_bfrs;
 578         unsigned long if_send_adptr_bfrs_full;
 579         unsigned long if_send_bfrs_passed_to_adptr;
 580         unsigned long if_send_consec_send_fail;
 581 } drvstats_if_send_t;
 582
 583 typedef struct {
 584         unsigned long rx_intr_no_socket;
 585         unsigned long rx_intr_dev_not_started;
 586         unsigned long rx_intr_DRVSTATS_request;
 587         unsigned long rx_intr_FPIPE_request;
 588         unsigned long rx_intr_bfr_not_passed_to_stack;
 589         unsigned long rx_intr_bfr_passed_to_stack;
 590  } drvstats_rx_intr_t;
 591
 592 typedef struct {
 593         unsigned long UDP_FPIPE_mgmt_kmalloc_err;
 594         unsigned long UDP_FPIPE_mgmt_direction_err;
 595         unsigned long UDP_FPIPE_mgmt_adptr_type_err;
 596         unsigned long UDP_FPIPE_mgmt_adptr_cmnd_OK;
 597         unsigned long UDP_FPIPE_mgmt_adptr_cmnd_timeout;
 598         unsigned long UDP_FPIPE_mgmt_adptr_send_passed;
 599         unsigned long UDP_FPIPE_mgmt_adptr_send_failed;
 600         unsigned long UDP_FPIPE_mgmt_not_passed_to_stack;
 601         unsigned long UDP_FPIPE_mgmt_passed_to_stack;
 602         unsigned long UDP_FPIPE_mgmt_no_socket;
 603         unsigned long UDP_DRVSTATS_mgmt_kmalloc_err;
 604         unsigned long UDP_DRVSTATS_mgmt_adptr_cmnd_OK;
 605         unsigned long UDP_DRVSTATS_mgmt_adptr_cmnd_timeout;
 606         unsigned long UDP_DRVSTATS_mgmt_adptr_send_passed;
 607         unsigned long UDP_DRVSTATS_mgmt_adptr_send_failed;
 608         unsigned long UDP_DRVSTATS_mgmt_not_passed_to_stack;
 609         unsigned long UDP_DRVSTATS_mgmt_passed_to_stack;
 610         unsigned long UDP_DRVSTATS_mgmt_no_socket;
 611 } drvstats_gen_t;
 612
 613 typedef struct {
 614         unsigned char   attr            PACKED;
 615         unsigned short  time_stamp      PACKED;
 616         unsigned char   reserved[13]    PACKED;
 617 } api_rx_hdr_t;
 618
 619 typedef struct {
 620         api_rx_hdr_t    api_rx_hdr      PACKED;
 621         void *          data            PACKED;
 622 } api_rx_element_t;
 623
 624 typedef struct {
 625         unsigned char   attr            PACKED;
 626         unsigned char   reserved[15]    PACKED;
 627 } api_tx_hdr_t;
 628
 629 typedef struct {
 630         api_tx_hdr_t    api_tx_hdr      PACKED;
 631         void *          data            PACKED;
 632 } api_tx_element_t;
 633
 634 #ifdef          _MSC_
 635 #  pragma       pack()
 636 #endif
 637 #endif  /* _SDLA_FR_H */
 638