include/linux/sdla_chdlc.h

   1 /*************************************************************************
   2  sdla_chdlc.h   Sangoma Cisco HDLC 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 term 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 ===========================================================================
  15   Oct 04, 1999  Nenad Corbic    Updated API support
  16   Jun 02, 1999  Gideon Hack     Changes for S514 usage.
  17   Oct 28, 1998  Jaspreet Singh  Made changes for Dual Port CHDLC.
  18   Jun 11, 1998  David Fong      Initial version.
  19 ===========================================================================
  20
  21  Organization
  22         - Compatibility notes
  23         - Constants defining the shared memory control block (mailbox)
  24         - Interface commands
  25         - Return code from interface commands
  26         - Constants for the commands (structures for casting data)
  27         - UDP Management constants and structures
  28
  29 *************************************************************************/
  30
  31 #ifndef _SDLA_CHDLC_H
  32 #  define _SDLC_CHDLC_H
  33
  34 /*------------------------------------------------------------------------
  35    Notes:
  36
  37         All structres defined in this file are byte-aligned.
  38
  39         Compiler        Platform
  40         ------------------------
  41         GNU C           Linux
  42
  43 ------------------------------------------------------------------------*/
  44
  45 #ifndef PACKED
  46 #define PACKED __attribute__((packed))
  47 #endif  /* PACKED */
  48
  49
  50 /* ----------------------------------------------------------------------------
  51  *        Constants defining the shared memory control block (mailbox)
  52  * --------------------------------------------------------------------------*/
  53
  54 #define PRI_BASE_ADDR_MB_STRUCT         0xE000  /* the base address of the mailbox structure on the adapter */
  55 #define SEC_BASE_ADDR_MB_STRUCT         0xE800  /* the base address of the mailbox structure on the adapter */
  56 #define SIZEOF_MB_DATA_BFR              2032    /* the size of the actual mailbox data area */
  57 #define NUMBER_MB_RESERVED_BYTES        0x0B    /* the number of reserved bytes in the mailbox header area */
  58
  59
  60 #define MIN_LGTH_CHDLC_DATA_CFG         300     /* min length of the CHDLC data field (for configuration purposes) */
  61 #define PRI_MAX_NO_DATA_BYTES_IN_FRAME  15354 /* PRIMARY - max length of the CHDLC data field */
  62
  63 typedef struct {
  64         unsigned char opp_flag PACKED;                  /* the opp flag */
  65         unsigned char command PACKED;                   /* the user command */
  66         unsigned short buffer_length PACKED;            /* the data length */
  67         unsigned char return_code PACKED;               /* the return code */
  68         unsigned char MB_reserved[NUMBER_MB_RESERVED_BYTES] PACKED;     /* reserved for later */
  69         unsigned char data[SIZEOF_MB_DATA_BFR] PACKED;  /* the data area */
  70 } CHDLC_MAILBOX_STRUCT;
  71
  72 typedef struct {
  73         pid_t                   pid_num PACKED;
  74         CHDLC_MAILBOX_STRUCT     cmdarea PACKED;
  75
  76 } CMDBLOCK_STRUCT;
  77
  78
  79
  80
  81 /* ----------------------------------------------------------------------------
  82  *                        Interface commands
  83  * --------------------------------------------------------------------------*/
  84
  85 /* global interface commands */
  86 #define READ_GLOBAL_EXCEPTION_CONDITION 0x01
  87 #define SET_GLOBAL_CONFIGURATION        0x02
  88 #define READ_GLOBAL_CONFIGURATION       0x03
  89 #define READ_GLOBAL_STATISTICS          0x04
  90 #define FLUSH_GLOBAL_STATISTICS         0x05
  91 #define SET_MODEM_STATUS                0x06    /* set status of DTR or RTS */
  92 #define READ_MODEM_STATUS               0x07    /* read status of CTS and DCD */
  93 #define READ_COMMS_ERROR_STATS          0x08
  94 #define FLUSH_COMMS_ERROR_STATS         0x09
  95 #define SET_TRACE_CONFIGURATION         0x0A    /* set the line trace config */
  96 #define READ_TRACE_CONFIGURATION        0x0B    /* read the line trace config */
  97 #define READ_TRACE_STATISTICS           0x0C    /* read the trace statistics */
  98 #define FLUSH_TRACE_STATISTICS          0x0D    /* flush the trace statistics */
  99 #define FT1_MONITOR_STATUS_CTRL         0x1C    /* set the status of the S508/FT1 monitoring */
 100 #define SET_FT1_CONFIGURATION           0x18    /* set the FT1 configuration */
 101 #define READ_FT1_CONFIGURATION          0x19    /* read the FT1 configuration */
 102 #define TRANSMIT_ASYNC_DATA_TO_FT1      0x1A    /* output asynchronous data to the FT1 */
 103 #define RECEIVE_ASYNC_DATA_FROM_FT1     0x1B    /* receive asynchronous data from the FT1 */
 104 #define FT1_MONITOR_STATUS_CTRL         0x1C    /* set the status of the FT1 monitoring */
 105
 106 #define READ_FT1_OPERATIONAL_STATS      0x1D    /* read the S508/FT1 operational statistics */
 107 #define SET_FT1_MODE                    0x1E    /* set the operational mode of the S508/FT1 module */
 108
 109 /* CHDLC-level interface commands */
 110 #define READ_CHDLC_CODE_VERSION         0x20
 111 #define READ_CHDLC_EXCEPTION_CONDITION  0x21    /* read exception condition from the adapter */
 112 #define SET_CHDLC_CONFIGURATION         0x22
 113 #define READ_CHDLC_CONFIGURATION        0x23
 114 #define ENABLE_CHDLC_COMMUNICATIONS     0x24
 115 #define DISABLE_CHDLC_COMMUNICATIONS    0x25
 116 #define READ_CHDLC_LINK_STATUS          0x26
 117 #define READ_CHDLC_OPERATIONAL_STATS    0x27
 118 #define FLUSH_CHDLC_OPERATIONAL_STATS   0x28
 119 #define SET_CHDLC_INTERRUPT_TRIGGERS    0x30    /* set application interrupt triggers */
 120 #define READ_CHDLC_INTERRUPT_TRIGGERS   0x31    /* read application interrupt trigger configuration */
 121
 122 /* Special UDP drivers management commands */
 123 #define CPIPE_ENABLE_TRACING                            0x50
 124 #define CPIPE_DISABLE_TRACING                           0x51
 125 #define CPIPE_GET_TRACE_INFO                            0x52
 126 #define CPIPE_GET_IBA_DATA                              0x53
 127 #define CPIPE_FT1_READ_STATUS                           0x54
 128 #define CPIPE_DRIVER_STAT_IFSEND                        0x55
 129 #define CPIPE_DRIVER_STAT_INTR                          0x56
 130 #define CPIPE_DRIVER_STAT_GEN                           0x57
 131 #define CPIPE_FLUSH_DRIVER_STATS                        0x58
 132 #define CPIPE_ROUTER_UP_TIME                            0x59
 133
 134 /* Driver specific commands for API */
 135 #define CHDLC_READ_TRACE_DATA           0xE4    /* read trace data */
 136 #define TRACE_ALL                       0x00
 137 #define TRACE_PROT                      0x01
 138 #define TRACE_DATA                      0x02
 139
 140 #define DISCARD_RX_ERROR_FRAMES 0x0001
 141
 142 /* ----------------------------------------------------------------------------
 143  *                     Return codes from interface commands
 144  * --------------------------------------------------------------------------*/
 145
 146 #define COMMAND_OK                              0x00
 147
 148 /* return codes from global interface commands */
 149 #define NO_GLOBAL_EXCEP_COND_TO_REPORT          0x01    /* there is no CHDLC exception condition to report */
 150 #define LGTH_GLOBAL_CFG_DATA_INVALID            0x01    /* the length of the passed global configuration data is invalid */
 151 #define LGTH_TRACE_CFG_DATA_INVALID             0x01    /* the length of the passed trace configuration data is invalid */
 152 #define IRQ_TIMEOUT_VALUE_INVALID               0x02    /* an invalid application IRQ timeout value was selected */
 153 #define TRACE_CONFIG_INVALID                    0x02    /* the passed line trace configuration is invalid */
 154 #define ADAPTER_OPERATING_FREQ_INVALID          0x03    /* an invalid adapter operating frequency was selected */
 155 #define TRC_DEAC_TMR_INVALID                    0x03    /* the trace deactivation timer is invalid */
 156 #define S508_FT1_ADPTR_NOT_PRESENT              0x0C    /* the S508/FT1 adapter is not present */
 157 #define INVALID_FT1_STATUS_SELECTION            0x0D    /* the S508/FT1 status selection is invalid */
 158 #define FT1_OP_STATS_NOT_ENABLED                0x0D    /* the FT1 operational statistics have not been enabled */
 159 #define FT1_OP_STATS_NOT_AVAILABLE              0x0E    /* the FT1 operational statistics are not currently available */
 160 #define S508_FT1_MODE_SELECTION_BUSY            0x0E    /* the S508/FT1 adapter is busy selecting the operational mode */
 161
 162 /* return codes from command READ_GLOBAL_EXCEPTION_CONDITION */
 163 #define EXCEP_MODEM_STATUS_CHANGE               0x10            /* a modem status change occurred */
 164 #define EXCEP_TRC_DISABLED                      0x11            /* the trace has been disabled */
 165 #define EXCEP_IRQ_TIMEOUT                       0x12            /* IRQ timeout */
 166
 167 /* return codes from CHDLC-level interface commands */
 168 #define NO_CHDLC_EXCEP_COND_TO_REPORT           0x21    /* there is no CHDLC exception condition to report */
 169 #define CHDLC_COMMS_DISABLED                    0x21    /* communications are not currently enabled */
 170 #define CHDLC_COMMS_ENABLED                     0x21    /* communications are currently enabled */
 171 #define DISABLE_CHDLC_COMMS_BEFORE_CFG          0x21    /* CHDLC communications must be disabled before setting the configuration */
 172 #define ENABLE_CHDLC_COMMS_BEFORE_CONN          0x21    /* communications must be enabled before using the CHDLC_CONNECT conmmand */
 173 #define CHDLC_CFG_BEFORE_COMMS_ENABLED          0x22    /* perform a SET_CHDLC_CONFIGURATION before enabling comms */
 174 #define LGTH_CHDLC_CFG_DATA_INVALID             0x22    /* the length of the passed CHDLC configuration data is invalid */
 175 #define LGTH_INT_TRIGGERS_DATA_INVALID          0x22    /* the length of the passed interrupt trigger data is invalid */
 176 #define INVALID_IRQ_SELECTED                    0x23    /* in invalid IRQ was selected in the SET_CHDLC_INTERRUPT_TRIGGERS */
 177 #define INVALID_CHDLC_CFG_DATA                  0x23    /* the passed CHDLC configuration data is invalid */
 178 #define IRQ_TMR_VALUE_INVALID                   0x24    /* an invalid application IRQ timer value was selected */
 179 #define LARGER_PERCENT_TX_BFR_REQUIRED          0x24    /* a larger Tx buffer percentage is required */
 180 #define LARGER_PERCENT_RX_BFR_REQUIRED          0x25    /* a larger Rx buffer percentage is required */
 181 #define S514_BOTH_PORTS_SAME_CLK_MODE           0x26    /* S514 - both ports must have same clock mode */
 182 #define INVALID_CMND_HDLC_STREAM_MODE           0x4E    /* the CHDLC interface command is invalid for HDLC streaming mode */
 183 #define INVALID_CHDLC_COMMAND                   0x4F    /* the defined CHDLC interface command is invalid */
 184
 185 /* return codes from command READ_CHDLC_EXCEPTION_CONDITION */
 186 #define EXCEP_LINK_ACTIVE                       0x30    /* the CHDLC link has become active */
 187 #define EXCEP_LINK_INACTIVE_MODEM               0x31    /* the CHDLC link has become inactive (modem status) */
 188 #define EXCEP_LINK_INACTIVE_KPALV               0x32    /* the CHDLC link has become inactive (keepalive status) */
 189 #define EXCEP_IP_ADDRESS_DISCOVERED             0x33    /* the IP address has been discovered */
 190 #define EXCEP_LOOPBACK_CONDITION                0x34    /* a loopback condition has occurred */
 191
 192
 193 /* return code from command CHDLC_SEND_WAIT and CHDLC_SEND_NO_WAIT */
 194 #define LINK_DISCONNECTED                       0x21
 195 #define NO_TX_BFRS_AVAIL                        0x24
 196
 197
 198 /* ----------------------------------------------------------------------------
 199  * Constants for the SET_GLOBAL_CONFIGURATION/READ_GLOBAL_CONFIGURATION commands
 200  * --------------------------------------------------------------------------*/
 201
 202 /* the global configuration structure */
 203 typedef struct {
 204         unsigned short adapter_config_options PACKED;   /* adapter config options */
 205         unsigned short app_IRQ_timeout PACKED;          /* application IRQ timeout */
 206         unsigned long adapter_operating_frequency PACKED;       /* adapter operating frequency */
 207 } GLOBAL_CONFIGURATION_STRUCT;
 208
 209 /* settings for the 'app_IRQ_timeout' */
 210 #define MAX_APP_IRQ_TIMEOUT_VALUE       5000    /* the maximum permitted IRQ timeout */
 211
 212
 213
 214 /* ----------------------------------------------------------------------------
 215  *             Constants for the READ_GLOBAL_STATISTICS command
 216  * --------------------------------------------------------------------------*/
 217
 218 /* the global statistics structure */
 219 typedef struct {
 220         unsigned short app_IRQ_timeout_count PACKED;
 221 } GLOBAL_STATS_STRUCT;
 222
 223
 224
 225 /* ----------------------------------------------------------------------------
 226  *             Constants for the READ_COMMS_ERROR_STATS command
 227  * --------------------------------------------------------------------------*/
 228
 229 /* the communications error statistics structure */
 230 typedef struct {
 231         unsigned short Rx_overrun_err_count PACKED;
 232         unsigned short CRC_err_count PACKED;    /* receiver CRC error count */
 233         unsigned short Rx_abort_count PACKED;   /* abort frames recvd count */
 234         unsigned short Rx_dis_pri_bfrs_full_count PACKED;/* receiver disabled */
 235         unsigned short comms_err_stat_reserved_1 PACKED;/* reserved for later */
 236         unsigned short sec_Tx_abort_msd_Tx_int_count PACKED; /* secondary - abort frames transmitted count (missed Tx interrupt) */
 237         unsigned short missed_Tx_und_int_count PACKED;  /* missed tx underrun interrupt count */
 238         unsigned short sec_Tx_abort_count PACKED;   /*secondary-abort frames tx count */
 239         unsigned short DCD_state_change_count PACKED; /* DCD state change */
 240         unsigned short CTS_state_change_count PACKED; /* CTS state change */
 241 } COMMS_ERROR_STATS_STRUCT;
 242
 243
 244
 245 /* ----------------------------------------------------------------------------
 246  *                  Constants used for line tracing
 247  * --------------------------------------------------------------------------*/
 248
 249 /* the trace configuration structure (SET_TRACE_CONFIGURATION/READ_TRACE_CONFIGURATION commands) */
 250 typedef struct {
 251         unsigned char trace_config PACKED;              /* trace configuration */
 252         unsigned short trace_deactivation_timer PACKED; /* trace deactivation timer */
 253         unsigned long ptr_trace_stat_el_cfg_struct PACKED;      /* a pointer to the line trace element configuration structure */
 254 } LINE_TRACE_CONFIG_STRUCT;
 255
 256 /* 'trace_config' bit settings */
 257 #define TRACE_INACTIVE          0x00    /* trace is inactive */
 258 #define TRACE_ACTIVE            0x01    /* trace is active */
 259 #define TRACE_DELAY_MODE        0x04    /* operate the trace in delay mode */
 260 #define TRACE_DATA_FRAMES       0x08    /* trace Data frames */
 261 #define TRACE_SLARP_FRAMES      0x10    /* trace SLARP frames */
 262 #define TRACE_CDP_FRAMES        0x20    /* trace CDP frames */
 263
 264 /* the line trace status element configuration structure */
 265 typedef struct {
 266         unsigned short number_trace_status_elements PACKED;     /* number of line trace elements */
 267         unsigned long base_addr_trace_status_elements PACKED;   /* base address of the trace element list */
 268         unsigned long next_trace_element_to_use PACKED; /* pointer to the next trace element to be used */
 269         unsigned long base_addr_trace_buffer PACKED;            /* base address of the trace data buffer */
 270         unsigned long end_addr_trace_buffer PACKED;             /* end address of the trace data buffer */
 271 } TRACE_STATUS_EL_CFG_STRUCT;
 272
 273 /* the line trace status element structure */
 274 typedef struct {
 275         unsigned char opp_flag PACKED;                  /* opp flag */
 276         unsigned short trace_length PACKED;             /* trace length */
 277         unsigned char trace_type PACKED;                /* trace type */
 278         unsigned short trace_time_stamp PACKED; /* time stamp */
 279         unsigned short trace_reserved_1 PACKED; /* reserved for later use */
 280         unsigned long trace_reserved_2 PACKED;          /* reserved for later use */
 281         unsigned long ptr_data_bfr PACKED;              /* ptr to the trace data buffer */
 282 } TRACE_STATUS_ELEMENT_STRUCT;
 283
 284 /* "trace_type" bit settings */
 285 #define TRACE_INCOMING                  0x00
 286 #define TRACE_OUTGOINGING               0x01
 287 #define TRACE_INCOMING_ABORTED          0x10
 288 #define TRACE_INCOMING_CRC_ERROR        0x20
 289 #define TRACE_INCOMING_OVERRUN_ERROR    0x40
 290
 291
 292
 293 /* the line trace statistics structure */
 294 typedef struct {
 295         unsigned long frames_traced_count PACKED;       /* number of frames traced */
 296         unsigned long trc_frms_not_recorded_count PACKED;       /* number of trace frames discarded */
 297 } LINE_TRACE_STATS_STRUCT;
 298
 299
 300 /* ----------------------------------------------------------------------------
 301  *               Constants for the FT1_MONITOR_STATUS_CTRL command
 302  * --------------------------------------------------------------------------*/
 303
 304 #define DISABLE_FT1_STATUS_STATISTICS   0x00    /* disable the FT1 status and statistics monitoring */
 305 #define ENABLE_READ_FT1_STATUS          0x01    /* read the FT1 operational status */
 306 #define ENABLE_READ_FT1_OP_STATS        0x02    /* read the FT1 operational statistics */
 307 #define FLUSH_FT1_OP_STATS              0x04    /* flush the FT1 operational statistics */
 308
 309
 310
 311
 312 /* ----------------------------------------------------------------------------
 313  *               Constants for the SET_CHDLC_CONFIGURATION command
 314  * --------------------------------------------------------------------------*/
 315
 316 /* the CHDLC configuration structure */
 317 typedef struct {
 318         unsigned long baud_rate PACKED;         /* the baud rate */
 319         unsigned short line_config_options PACKED;      /* line configuration options */
 320         unsigned short modem_config_options PACKED;     /* modem configration options */
 321         unsigned short modem_status_timer PACKED;       /* timer for monitoring modem status changes */
 322         unsigned short CHDLC_API_options PACKED;        /* CHDLC API options */
 323         unsigned short CHDLC_protocol_options PACKED;   /* CHDLC protocol options */
 324         unsigned short percent_data_buffer_for_Tx PACKED;       /* percentage data buffering used for Tx */
 325         unsigned short CHDLC_statistics_options PACKED; /* CHDLC operational statistics options */
 326         unsigned short max_CHDLC_data_field_length PACKED;      /* the maximum length of the CHDLC Data field */
 327         unsigned short transmit_keepalive_timer PACKED;         /* the transmit keepalive timer */
 328         unsigned short receive_keepalive_timer PACKED;          /* the receive keepalive timer */
 329         unsigned short keepalive_error_tolerance PACKED;        /* the receive keepalive error tolerance */
 330         unsigned short SLARP_request_timer PACKED;              /* the SLARP request timer */
 331         unsigned long IP_address PACKED;                        /* the IP address */
 332         unsigned long IP_netmask PACKED;                        /* the IP netmask */
 333         unsigned long ptr_shared_mem_info_struct PACKED;        /* a pointer to the shared memory area information structure */
 334         unsigned long ptr_CHDLC_Tx_stat_el_cfg_struct PACKED;   /* a pointer to the transmit status element configuration structure */
 335         unsigned long ptr_CHDLC_Rx_stat_el_cfg_struct PACKED;   /* a pointer to the receive status element configuration structure */
 336 } CHDLC_CONFIGURATION_STRUCT;
 337
 338 /* settings for the 'line_config_options' */
 339 #define INTERFACE_LEVEL_V35                                     0x0000 /* V.35 interface level */
 340 #define INTERFACE_LEVEL_RS232                                   0x0001 /* RS-232 interface level */
 341
 342 /* settings for the 'modem_config_options' */
 343
 344 #define DONT_RAISE_DTR_RTS_ON_EN_COMMS          0x0001
 345 /* don't automatically raise DTR and RTS when performing an
 346    ENABLE_CHDLC_COMMUNICATIONS command */
 347
 348 #define DONT_REPORT_CHG_IN_MODEM_STAT           0x0002
 349 /* don't report changes in modem status to the application */
 350
 351
 352 /* bit settings for the 'CHDLC_protocol_options' byte */
 353
 354 #define IGNORE_DCD_FOR_LINK_STAT                0x0001
 355 /* ignore DCD in determining the CHDLC link status */
 356
 357 #define IGNORE_CTS_FOR_LINK_STAT                0x0002
 358 /* ignore CTS in determining the CHDLC link status */
 359
 360 #define IGNORE_KPALV_FOR_LINK_STAT              0x0004
 361 /* ignore keepalive frames in determining the CHDLC link status */
 362
 363 #define SINGLE_TX_BUFFER                        0x4000
 364 /* configure a single transmit buffer */
 365
 366 #define HDLC_STREAMING_MODE                     0x8000
 367
 368 /*   settings for the 'CHDLC_statistics_options' */
 369
 370 #define CHDLC_TX_DATA_BYTE_COUNT_STAT           0x0001
 371 /* record the number of Data bytes transmitted */
 372
 373 #define CHDLC_RX_DATA_BYTE_COUNT_STAT           0x0002
 374 /* record the number of Data bytes received */
 375
 376 #define CHDLC_TX_THROUGHPUT_STAT                0x0004
 377 /* compute the Data frame transmit throughput */
 378
 379 #define CHDLC_RX_THROUGHPUT_STAT                0x0008
 380 /* compute the Data frame receive throughput */
 381
 382
 383 /* permitted minimum and maximum values for setting the CHDLC configuration */
 384 #define PRI_MAX_BAUD_RATE_S508  2666666 /* PRIMARY   - maximum baud rate (S508) */
 385 #define SEC_MAX_BAUD_RATE_S508  258064  /* SECONDARY - maximum baud rate (S508) */
 386 #define PRI_MAX_BAUD_RATE_S514  2750000 /* PRIMARY   - maximum baud rate (S508) */
 387 #define SEC_MAX_BAUD_RATE_S514  515625  /* SECONDARY - maximum baud rate (S508) */
 388
 389 #define MIN_MODEM_TIMER 0                       /* minimum modem status timer */
 390 #define MAX_MODEM_TIMER 5000                    /* maximum modem status timer */
 391
 392 #define SEC_MAX_NO_DATA_BYTES_IN_FRAME  2048 /* SECONDARY - max length of the CHDLC data field */
 393
 394 #define MIN_Tx_KPALV_TIMER      0         /* minimum transmit keepalive timer */
 395 #define MAX_Tx_KPALV_TIMER      60000     /* maximum transmit keepalive timer */
 396 #define DEFAULT_Tx_KPALV_TIMER  10000     /* default transmit keepalive timer */
 397
 398 #define MIN_Rx_KPALV_TIMER      10        /* minimum receive keepalive timer */
 399 #define MAX_Rx_KPALV_TIMER      60000     /* maximum receive keepalive timer */
 400 #define DEFAULT_Rx_KPALV_TIMER  10000     /* default receive keepalive timer */
 401
 402 #define MIN_KPALV_ERR_TOL       1         /* min kpalv error tolerance count */
 403 #define MAX_KPALV_ERR_TOL       20        /* max kpalv error tolerance count */
 404 #define DEFAULT_KPALV_ERR_TOL   3         /* default value */
 405
 406 #define MIN_SLARP_REQ_TIMER     0         /* min transmit SLARP Request timer */
 407 #define MAX_SLARP_REQ_TIMER     60000     /* max transmit SLARP Request timer */
 408 #define DEFAULT_SLARP_REQ_TIMER 0         /* default value -- no SLARP */
 409
 410
 411
 412 /* ----------------------------------------------------------------------------
 413  *             Constants for the READ_CHDLC_LINK_STATUS command
 414  * --------------------------------------------------------------------------*/
 415
 416 /* the CHDLC status structure */
 417 typedef struct {
 418         unsigned char CHDLC_link_status PACKED; /* CHDLC link status */
 419         unsigned char no_Data_frms_for_app PACKED;      /* number of Data frames available for the application */
 420         unsigned char receiver_status PACKED;   /* enabled/disabled */
 421         unsigned char SLARP_state PACKED;       /* internal SLARP state */
 422 } CHDLC_LINK_STATUS_STRUCT;
 423
 424 /* settings for the 'CHDLC_link_status' variable */
 425 #define CHDLC_LINK_INACTIVE             0x00    /* the CHDLC link is inactive */
 426 #define CHDLC_LINK_ACTIVE               0x01    /* the CHDLC link is active */
 427
 428
 429
 430 /* ----------------------------------------------------------------------------
 431  *           Constants for the READ_CHDLC_OPERATIONAL_STATS command
 432  * --------------------------------------------------------------------------*/
 433
 434 /* the CHDLC operational statistics structure */
 435 typedef struct {
 436
 437         /* Data frame transmission statistics */
 438         unsigned long Data_frames_Tx_count PACKED;      /* # of frames transmitted */
 439         unsigned long Data_bytes_Tx_count PACKED;       /* # of bytes transmitted */
 440         unsigned long Data_Tx_throughput PACKED;        /* transmit throughput */
 441         unsigned long no_ms_for_Data_Tx_thruput_comp PACKED;    /* millisecond time used for the Tx throughput computation */
 442         unsigned long Tx_Data_discard_lgth_err_count PACKED;    /* number of Data frames discarded (length error) */
 443         unsigned long reserved_Data_frm_Tx_stat1 PACKED;        /* reserved for later */
 444         unsigned long reserved_Data_frm_Tx_stat2 PACKED;        /* reserved for later */
 445         unsigned long reserved_Data_frm_Tx_stat3 PACKED;        /* reserved for later */
 446
 447         /* Data frame reception statistics */
 448         unsigned long Data_frames_Rx_count PACKED;      /* number of frames received */
 449         unsigned long Data_bytes_Rx_count PACKED;       /* number of bytes received */
 450         unsigned long Data_Rx_throughput PACKED;        /* receive throughput */
 451         unsigned long no_ms_for_Data_Rx_thruput_comp PACKED;    /* millisecond time used for the Rx throughput computation */
 452         unsigned long Rx_Data_discard_short_count PACKED;       /* received Data frames discarded (too short) */
 453         unsigned long Rx_Data_discard_long_count PACKED;        /* received Data frames discarded (too long) */
 454         unsigned long Rx_Data_discard_inactive_count PACKED;    /* received Data frames discarded (link inactive) */
 455         unsigned long reserved_Data_frm_Rx_stat1 PACKED;        /* reserved for later */
 456
 457         /* SLARP frame transmission/reception statistics */
 458         unsigned long CHDLC_SLARP_REQ_Tx_count PACKED;          /* number of SLARP Request frames transmitted */
 459         unsigned long CHDLC_SLARP_REQ_Rx_count PACKED;          /* number of SLARP Request frames received */
 460         unsigned long CHDLC_SLARP_REPLY_Tx_count PACKED;        /* number of SLARP Reply frames transmitted */
 461         unsigned long CHDLC_SLARP_REPLY_Rx_count PACKED;        /* number of SLARP Reply frames received */
 462         unsigned long CHDLC_SLARP_KPALV_Tx_count PACKED;        /* number of SLARP keepalive frames transmitted */
 463         unsigned long CHDLC_SLARP_KPALV_Rx_count PACKED;        /* number of SLARP keepalive frames received */
 464         unsigned long reserved_SLARP_stat1 PACKED;              /* reserved for later */
 465         unsigned long reserved_SLARP_stat2 PACKED;              /* reserved for later */
 466
 467         /* CDP frame transmission/reception statistics */
 468         unsigned long CHDLC_CDP_Tx_count PACKED;                /* number of CDP frames transmitted */
 469         unsigned long CHDLC_CDP_Rx_count PACKED;                /* number of CDP frames received */
 470         unsigned long reserved_CDP_stat1 PACKED;                /* reserved for later */
 471         unsigned long reserved_CDP_stat2 PACKED;                /* reserved for later */
 472         unsigned long reserved_CDP_stat3 PACKED;                /* reserved for later */
 473         unsigned long reserved_CDP_stat4 PACKED;                /* reserved for later */
 474         unsigned long reserved_CDP_stat5 PACKED;                /* reserved for later */
 475         unsigned long reserved_CDP_stat6 PACKED;                /* reserved for later */
 476
 477         /* Incoming frames with a format error statistics */
 478         unsigned short Rx_frm_incomp_CHDLC_hdr_count PACKED;    /* frames received of with incomplete Cisco HDLC header */
 479         unsigned short Rx_frms_too_long_count PACKED;           /* frames received of excessive length count */
 480         unsigned short Rx_invalid_CHDLC_addr_count PACKED;      /* frames received with an invalid CHDLC address count */
 481         unsigned short Rx_invalid_CHDLC_ctrl_count PACKED;      /* frames received with an invalid CHDLC control field count */
 482         unsigned short Rx_invalid_CHDLC_type_count PACKED;      /* frames received of an invalid CHDLC frame type count */
 483         unsigned short Rx_SLARP_invalid_code_count PACKED;      /* SLARP frame received with an invalid packet code */
 484         unsigned short Rx_SLARP_Reply_bad_IP_addr PACKED;       /* SLARP Reply received - bad IP address */
 485         unsigned short Rx_SLARP_Reply_bad_netmask PACKED;       /* SLARP Reply received - bad netmask */
 486         unsigned long reserved_frm_format_err1 PACKED;          /* reserved for later */
 487         unsigned long reserved_frm_format_err2 PACKED;          /* reserved for later */
 488         unsigned long reserved_frm_format_err3 PACKED;          /* reserved for later */
 489         unsigned long reserved_frm_format_err4 PACKED;          /* reserved for later */
 490
 491         /* CHDLC timeout/retry statistics */
 492         unsigned short SLARP_Rx_keepalive_TO_count PACKED;      /* timeout count for incoming SLARP frames */
 493         unsigned short SLARP_Request_TO_count PACKED;           /* timeout count for SLARP Request frames */
 494         unsigned long To_retry_reserved_stat1 PACKED;           /* reserved for later */
 495         unsigned long To_retry_reserved_stat2 PACKED;           /* reserved for later */
 496         unsigned long To_retry_reserved_stat3 PACKED;           /* reserved for later */
 497
 498         /* CHDLC link active/inactive and loopback statistics */
 499         unsigned short link_active_count PACKED;                /* number of times that the link went active */
 500         unsigned short link_inactive_modem_count PACKED;        /* number of times that the link went inactive (modem failure) */
 501         unsigned short link_inactive_keepalive_count PACKED;    /* number of times that the link went inactive (keepalive failure) */
 502         unsigned short link_looped_count PACKED;                /* link looped count */
 503         unsigned long link_status_reserved_stat1 PACKED;        /* reserved for later use */
 504         unsigned long link_status_reserved_stat2 PACKED;        /* reserved for later use */
 505
 506         /* miscellaneous statistics */
 507         unsigned long reserved_misc_stat1 PACKED;               /* reserved for later */
 508         unsigned long reserved_misc_stat2 PACKED;               /* reserved for later */
 509         unsigned long reserved_misc_stat3 PACKED;               /* reserved for later */
 510         unsigned long reserved_misc_stat4 PACKED;               /* reserved for later */
 511
 512 } CHDLC_OPERATIONAL_STATS_STRUCT;
 513
 514
 515
 516 /* ----------------------------------------------------------------------------
 517  *                 Constants for using application interrupts
 518  * --------------------------------------------------------------------------*/
 519
 520 /* the structure used for the SET_CHDLC_INTERRUPT_TRIGGERS/READ_CHDLC_INTERRUPT_TRIGGERS command */
 521 typedef struct {
 522         unsigned char CHDLC_interrupt_triggers PACKED;  /* CHDLC interrupt trigger configuration */
 523         unsigned char IRQ PACKED;                       /* IRQ to be used */
 524         unsigned short interrupt_timer PACKED;          /* interrupt timer */
 525         unsigned short misc_interrupt_bits PACKED;      /* miscellaneous bits */
 526 } CHDLC_INT_TRIGGERS_STRUCT;
 527
 528 /* 'CHDLC_interrupt_triggers' bit settings */
 529 #define APP_INT_ON_RX_FRAME             0x01    /* interrupt on Data frame reception */
 530 #define APP_INT_ON_TX_FRAME             0x02    /* interrupt when an Data frame may be transmitted */
 531 #define APP_INT_ON_COMMAND_COMPLETE     0x04    /* interrupt when an interface command is complete */
 532 #define APP_INT_ON_TIMER                0x08    /* interrupt on a defined millisecond timeout */
 533 #define APP_INT_ON_GLOBAL_EXCEP_COND    0x10    /* interrupt on a global exception condition */
 534 #define APP_INT_ON_CHDLC_EXCEP_COND     0x20    /* interrupt on an CHDLC exception condition */
 535 #define APP_INT_ON_TRACE_DATA_AVAIL     0x80    /* interrupt when trace data is available */
 536
 537 /* interrupt types indicated at 'interrupt_type' byte of the INTERRUPT_INFORMATION_STRUCT */
 538 #define NO_APP_INTS_PEND                0x00    /* no interrups are pending */
 539 #define RX_APP_INT_PEND                 0x01    /* a receive interrupt is pending */
 540 #define TX_APP_INT_PEND                 0x02    /* a transmit interrupt is pending */
 541 #define COMMAND_COMPLETE_APP_INT_PEND   0x04    /* a 'command complete' interrupt is pending */
 542 #define TIMER_APP_INT_PEND              0x08    /* a timer interrupt is pending */
 543 #define GLOBAL_EXCEP_COND_APP_INT_PEND  0x10    /* a global exception condition interrupt is pending */
 544 #define CHDLC_EXCEP_COND_APP_INT_PEND   0x20    /* an CHDLC exception condition interrupt is pending */
 545 #define TRACE_DATA_AVAIL_APP_INT_PEND   0x80    /* a trace data available interrupt is pending */
 546
 547
 548 /* modem status changes */
 549 #define DCD_HIGH                        0x08
 550 #define CTS_HIGH                        0x20
 551
 552
 553 /* ----------------------------------------------------------------------------
 554  *                   Constants for Data frame transmission
 555  * --------------------------------------------------------------------------*/
 556
 557 /* the Data frame transmit status element configuration structure */
 558 typedef struct {
 559         unsigned short number_Tx_status_elements PACKED;        /* number of transmit status elements */
 560         unsigned long base_addr_Tx_status_elements PACKED;      /* base address of the transmit element list */
 561         unsigned long next_Tx_status_element_to_use PACKED;     /* pointer to the next transmit element to be used */
 562 } CHDLC_TX_STATUS_EL_CFG_STRUCT;
 563
 564 /* the Data frame transmit status element structure */
 565 typedef struct {
 566         unsigned char opp_flag PACKED;          /* opp flag */
 567         unsigned short frame_length PACKED;     /* length of the frame to be transmitted */
 568         unsigned char reserved_1 PACKED;        /* reserved for internal use */
 569         unsigned long reserved_2 PACKED;        /* reserved for internal use */
 570         unsigned long reserved_3 PACKED;        /* reserved for internal use */
 571         unsigned long ptr_data_bfr PACKED;      /* pointer to the data area */
 572 } CHDLC_DATA_TX_STATUS_EL_STRUCT;
 573
 574
 575
 576 /* ----------------------------------------------------------------------------
 577  *                   Constants for Data frame reception
 578  * --------------------------------------------------------------------------*/
 579
 580 /* the Data frame receive status element configuration structure */
 581 typedef struct {
 582         unsigned short number_Rx_status_elements PACKED;        /* number of receive status elements */
 583         unsigned long base_addr_Rx_status_elements PACKED;      /* base address of the receive element list */
 584         unsigned long next_Rx_status_element_to_use PACKED;     /* pointer to the next receive element to be used */
 585         unsigned long base_addr_Rx_buffer PACKED;               /* base address of the receive data buffer */
 586         unsigned long end_addr_Rx_buffer PACKED;                /* end address of the receive data buffer */
 587 } CHDLC_RX_STATUS_EL_CFG_STRUCT;
 588
 589 /* the Data frame receive status element structure */
 590 typedef struct {
 591         unsigned char opp_flag PACKED;          /* opp flag */
 592         unsigned short frame_length PACKED;   /* length of the received frame */
 593         unsigned char error_flag PACKED; /* frame errors (HDLC_STREAMING_MODE)*/
 594         unsigned short time_stamp PACKED; /* receive time stamp (HDLC_STREAMING_MODE) */
 595         unsigned long reserved_1 PACKED;        /* reserved for internal use */
 596         unsigned short reserved_2 PACKED;       /* reserved for internal use */
 597         unsigned long ptr_data_bfr PACKED;      /* pointer to the data area */
 598 } CHDLC_DATA_RX_STATUS_EL_STRUCT;
 599
 600
 601
 602 /* ----------------------------------------------------------------------------
 603  *         Constants defining the shared memory information area
 604  * --------------------------------------------------------------------------*/
 605
 606 /* the global information structure */
 607 typedef struct {
 608         unsigned char global_status PACKED;             /* global status */
 609         unsigned char modem_status PACKED;              /* current modem status */
 610         unsigned char global_excep_conditions PACKED;   /* global exception conditions */
 611         unsigned char glob_info_reserved[5] PACKED;     /* reserved */
 612         unsigned char codename[4] PACKED;               /* Firmware name */
 613         unsigned char codeversion[4] PACKED;            /* Firmware version */
 614 } GLOBAL_INFORMATION_STRUCT;
 615
 616 /* the CHDLC information structure */
 617 typedef struct {
 618         unsigned char CHDLC_status PACKED;              /* CHDLC status */
 619         unsigned char CHDLC_excep_conditions PACKED;    /* CHDLC exception conditions */
 620         unsigned char CHDLC_info_reserved[14] PACKED;   /* reserved */
 621 } CHDLC_INFORMATION_STRUCT;
 622
 623 /* the interrupt information structure */
 624 typedef struct {
 625         unsigned char interrupt_type PACKED;            /* type of interrupt triggered */
 626         unsigned char interrupt_permission PACKED;      /* interrupt permission mask */
 627         unsigned char int_info_reserved[14] PACKED;     /* reserved */
 628 } INTERRUPT_INFORMATION_STRUCT;
 629
 630 /* the S508/FT1 information structure */
 631 typedef struct {
 632         unsigned char parallel_port_A_input PACKED;     /* input - parallel port A */
 633         unsigned char parallel_port_B_input PACKED;     /* input - parallel port B */
 634         unsigned char FT1_info_reserved[14] PACKED;     /* reserved */
 635 } FT1_INFORMATION_STRUCT;
 636
 637 /* the shared memory area information structure */
 638 typedef struct {
 639         GLOBAL_INFORMATION_STRUCT global_info_struct PACKED;            /* the global information structure */
 640         CHDLC_INFORMATION_STRUCT CHDLC_info_struct PACKED;              /* the CHDLC information structure */
 641         INTERRUPT_INFORMATION_STRUCT interrupt_info_struct PACKED;      /* the interrupt information structure */
 642         FT1_INFORMATION_STRUCT FT1_info_struct PACKED;                  /* the S508/FT1 information structure */
 643 } SHARED_MEMORY_INFO_STRUCT;
 644
 645 /* ----------------------------------------------------------------------------
 646  *        UDP Management constants and structures
 647  * --------------------------------------------------------------------------*/
 648
 649 /* The embedded control block for UDP mgmt
 650    This is essentially a mailbox structure, without the large data field */
 651
 652 typedef struct {
 653         unsigned char  opp_flag PACKED;                  /* the opp flag */
 654         unsigned char  command PACKED;                   /* the user command */
 655         unsigned short buffer_length PACKED;             /* the data length */
 656         unsigned char  return_code PACKED;               /* the return code */
 657         unsigned char  MB_reserved[NUMBER_MB_RESERVED_BYTES] PACKED;    /* reserved for later */
 658 } cblock_t;
 659
 660
 661 /* UDP management packet layout (data area of ip packet) */
 662 /*
 663 typedef struct {
 664         unsigned char           signature[8]    PACKED;
 665         unsigned char           request_reply   PACKED;
 666         unsigned char           id              PACKED;
 667         unsigned char           reserved[6]     PACKED;
 668         cblock_t                cblock          PACKED;
 669         unsigned char           num_frames      PACKED;
 670         unsigned char           ismoredata      PACKED;
 671         unsigned char           data[SIZEOF_MB_DATA_BFR]        PACKED;
 672 } udp_management_packet_t;
 673
 674 */
 675
 676 typedef struct {
 677         unsigned char           num_frames      PACKED;
 678         unsigned char           ismoredata      PACKED;
 679 } trace_info_t;
 680
 681 typedef struct {
 682         ip_pkt_t                ip_pkt          PACKED;
 683         udp_pkt_t               udp_pkt         PACKED;
 684         wp_mgmt_t               wp_mgmt         PACKED;
 685         cblock_t                cblock          PACKED;
 686         trace_info_t            trace_info      PACKED;
 687         unsigned char           data[SIZEOF_MB_DATA_BFR]      PACKED;
 688 } chdlc_udp_pkt_t;
 689
 690 typedef struct ft1_exec_cmd{
 691         unsigned char  command PACKED;                   /* the user command */
 692         unsigned short buffer_length PACKED;             /* the data length */
 693         unsigned char  return_code PACKED;               /* the return code */
 694         unsigned char  MB_reserved[NUMBER_MB_RESERVED_BYTES] PACKED;
 695 } ft1_exec_cmd_t;
 696
 697 typedef struct {
 698         unsigned char  opp_flag                         PACKED;
 699         ft1_exec_cmd_t cmd                              PACKED;
 700         unsigned char  data[SIZEOF_MB_DATA_BFR]         PACKED;
 701 } ft1_exec_t;
 702
 703 #define UDPMGMT_SIGNATURE       "CTPIPEAB"
 704
 705
 706 /* UDP/IP packet (for UDP management) layout */
 707 /*
 708 typedef struct {
 709         unsigned char   reserved[2]     PACKED;
 710         unsigned short  ip_length       PACKED;
 711         unsigned char   reserved2[4]    PACKED;
 712         unsigned char   ip_ttl          PACKED;
 713         unsigned char   ip_protocol     PACKED;
 714         unsigned short  ip_checksum     PACKED;
 715         unsigned long   ip_src_address  PACKED;
 716         unsigned long   ip_dst_address  PACKED;
 717         unsigned short  udp_src_port    PACKED;
 718         unsigned short  udp_dst_port    PACKED;
 719         unsigned short  udp_length      PACKED;
 720         unsigned short  udp_checksum    PACKED;
 721         udp_management_packet_t um_packet PACKED;
 722 } ip_packet_t;
 723 */
 724
 725 /* valid ip_protocol for UDP management */
 726 #define UDPMGMT_UDP_PROTOCOL 0x11
 727
 728
 729 typedef struct {
 730         unsigned char   status          PACKED;
 731         unsigned char   data_avail      PACKED;
 732         unsigned short  real_length     PACKED;
 733         unsigned short  time_stamp      PACKED;
 734         unsigned char   data[1]         PACKED;
 735 } trace_pkt_t;
 736
 737 typedef struct {
 738         unsigned char   error_flag      PACKED;
 739         unsigned short  time_stamp      PACKED;
 740         unsigned char   reserved[13]    PACKED;
 741 } api_rx_hdr_t;
 742
 743 typedef struct {
 744         api_rx_hdr_t    api_rx_hdr      PACKED;
 745         void *          data            PACKED;
 746 } api_rx_element_t;
 747
 748 typedef struct {
 749         unsigned char   attr            PACKED;
 750         unsigned char   reserved[15]    PACKED;
 751 } api_tx_hdr_t;
 752
 753 typedef struct {
 754         api_tx_hdr_t    api_tx_hdr      PACKED;
 755         void *          data            PACKED;
 756 } api_tx_element_t;
 757
 758 /* ----------------------------------------------------------------------------
 759  *   Constants for the SET_FT1_CONFIGURATION/READ_FT1_CONFIGURATION command
 760  * --------------------------------------------------------------------------*/
 761
 762 /* the FT1 configuration structure */
 763 typedef struct {
 764         unsigned short framing_mode;
 765         unsigned short encoding_mode;
 766         unsigned short line_build_out;
 767         unsigned short channel_base;
 768         unsigned short baud_rate_kbps;                                  /* the baud rate (in kbps) */
 769         unsigned short clock_mode;
 770 } ft1_config_t;
 771
 772 /* settings for the 'framing_mode' */
 773 #define ESF_FRAMING     0x00    /* ESF framing */
 774 #define D4_FRAMING      0x01    /* D4 framing */
 775
 776 /* settings for the 'encoding_mode' */
 777 #define B8ZS_ENCODING   0x00    /* B8ZS encoding */
 778 #define AMI_ENCODING    0x01    /* AMI encoding */
 779
 780 /* settings for the 'line_build_out' */
 781 #define LN_BLD_CSU_0dB_DSX1_0_to_133    0x00    /* set build out to CSU (0db) or DSX-1 (0-133ft) */
 782 #define LN_BLD_DSX1_133_to_266          0x01    /* set build out DSX-1 (133-266ft) */
 783 #define LN_BLD_DSX1_266_to_399          0x02    /* set build out DSX-1 (266-399ft) */
 784 #define LN_BLD_DSX1_399_to_533          0x03    /* set build out DSX-1 (399-533ft) */
 785 #define LN_BLD_DSX1_533_to_655          0x04    /* set build out DSX-1 (533-655ft) */
 786 #define LN_BLD_CSU_NEG_7dB              0x05    /* set build out to CSU (-7.5db) */
 787 #define LN_BLD_CSU_NEG_15dB             0x06    /* set build out to CSU (-15db) */
 788 #define LN_BLD_CSU_NEG_22dB             0x07    /* set build out to CSU (-22.5db) */
 789
 790 /* settings for the 'channel_base' */
 791 #define MIN_CHANNEL_BASE_VALUE          1               /* the minimum permitted channel base value */
 792 #define MAX_CHANNEL_BASE_VALUE          24              /* the maximum permitted channel base value */
 793
 794 /* settings for the 'baud_rate_kbps' */
 795 #define MIN_BAUD_RATE_KBPS              0               /* the minimum permitted baud rate (kbps) */
 796 #define MAX_BAUD_RATE_KBPS              1536    /* the maximum permitted baud rate (kbps) */
 797 #define BAUD_RATE_FT1_AUTO_CONFIG       0xFFFF /* the baud rate used to trigger an automatic FT1 configuration */
 798
 799 /* settings for the 'clock_mode' */
 800 #define CLOCK_MODE_NORMAL               0x00    /* clock mode set to normal (slave) */
 801 #define CLOCK_MODE_MASTER               0x01    /* clock mode set to master */
 802
 803
 804 #define BAUD_RATE_FT1_AUTO_CONFIG       0xFFFF
 805 #define AUTO_FT1_CONFIG_NOT_COMPLETE    0x08
 806 #define AUTO_FT1_CFG_FAIL_OP_MODE       0x0C
 807 #define AUTO_FT1_CFG_FAIL_INVALID_LINE  0x0D
 808
 809
 810 #ifdef          _MSC_
 811 #  pragma       pack()
 812 #endif
 813 #endif  /* _SDLA_CHDLC_H */