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- /*****************************************************************************
- * sdla_fr.h Sangoma frame relay firmware API definitions.
- *
- * Author: Jaspreet Singh <jaspreet@sangoma.com>
- * Gene Kozin <74604.152@compuserve.com>
- *
- * Copyright: (c) 1995-1996 Sangoma Technologies Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- * ============================================================================
- * Oct 12, 1997 Jaspreet Singh Added FR_READ_DLCI_IB_MAPPING
- * Jul 21, 1997 Jaspreet Singh Changed FRRES_TOO_LONG and FRRES_TOO_MANY to
- * 0x05 and 0x06 respectively.
- * Dec 23, 1996 Gene Kozin v2.0
- * Apr 29, 1996 Gene Kozin v1.0 (merged version S502 & S508 definitions).
- * Sep 26, 1995 Gene Kozin Initial version.
- *****************************************************************************/
- #ifndef _SDLA_FR_H
- #define _SDLA_FR_H
-
- /*----------------------------------------------------------------------------
- * Notes:
- * ------
- * 1. All structures defined in this file are byte-alined. To ensure
- * portability of this code between different platforms and compilers, one
- * of the following defines must be defined before including this file:
- *
- * Compiler Platform Define Use option
- * -------- -------- ------ ----------
- * GNU C Linux _GNUC_ -
- * Microsoft C DOS/Windows _MSC_ -
- */
-
- #ifdef _GNUC_
- # ifndef PACKED
- # define PACKED __attribute__((packed))
- # endif /* PACKED */
- #else
- # define PACKED
- #endif
- #ifdef _MSC_
- # pragma pack(1)
- #endif
-
- /* Adapter memory layout */
- #define FR_MB_VECTOR 0xE000 /* mailbox window vector */
- #define FR502_RX_VECTOR 0xA000 /* S502 direct receive window vector */
- #define FR502_MBOX_OFFS 0xF60 /* S502 mailbox offset */
- #define FR508_MBOX_OFFS 0 /* S508 mailbox offset */
- #define FR502_FLAG_OFFS 0x1FF0 /* S502 status flags offset */
- #define FR508_FLAG_OFFS 0x1000 /* S508 status flags offset */
- #define FR502_RXMB_OFFS 0x900 /* S502 direct receive mailbox offset */
- #define FR508_TXBC_OFFS 0x1100 /* S508 Tx buffer info offset */
- #define FR508_RXBC_OFFS 0x1120 /* S508 Rx buffer info offset */
-
- /* Important constants */
- #define FR502_MAX_DATA 4096 /* maximum data buffer length */
- #define FR508_MAX_DATA 4080 /* maximum data buffer length */
-
- /****** Data Structures *****************************************************/
-
- /*----------------------------------------------------------------------------
- * Frame relay command block.
- */
- typedef struct fr_cmd
- {
- unsigned char command PACKED; /* command code */
- unsigned short length PACKED; /* length of data buffer */
- unsigned char result PACKED; /* return code */
- unsigned short dlci PACKED; /* DLCI number */
- unsigned char attr PACKED; /* FECN, BECN, DE and C/R bits */
- unsigned short rxlost1 PACKED; /* frames discarded at int. level */
- unsigned long rxlost2 PACKED; /* frames discarded at app. level */
- unsigned char rsrv[2] PACKED; /* reserved for future use */
- } fr_cmd_t;
-
- /* 'command' field defines */
- #define FR_WRITE 0x01
- #define FR_READ 0x02
- #define FR_ISSUE_IS_FRAME 0x03
- #define FR_SET_CONFIG 0x10
- #define FR_READ_CONFIG 0x11
- #define FR_COMM_DISABLE 0x12
- #define FR_COMM_ENABLE 0x13
- #define FR_READ_STATUS 0x14
- #define FR_READ_STATISTICS 0x15
- #define FR_FLUSH_STATISTICS 0x16
- #define FR_LIST_ACTIVE_DLCI 0x17
- #define FR_FLUSH_DATA_BUFFERS 0x18
- #define FR_ADD_DLCI 0x20
- #define FR_DELETE_DLCI 0x21
- #define FR_ACTIVATE_DLCI 0x22
- #define FR_DEACTIVATE_DLCI 0x22
- #define FR_READ_MODEM_STATUS 0x30
- #define FR_SET_MODEM_STATUS 0x31
- #define FR_READ_ERROR_STATS 0x32
- #define FR_FLUSH_ERROR_STATS 0x33
- #define FR_READ_DLCI_IB_MAPPING 0x34
- #define FR_READ_CODE_VERSION 0x40
- #define FR_SET_INTR_MODE 0x50
- #define FR_READ_INTR_MODE 0x51
-
- /* 'result' field defines */
- #define FRRES_OK 0x00 /* command executed successfully */
- #define FRRES_DISABLED 0x01 /* communications not enabled */
- #define FRRES_INOPERATIVE 0x02 /* channel inoperative */
- #define FRRES_DLCI_INACTIVE 0x03 /* DLCI is inactive */
- #define FRRES_DLCI_INVALID 0x04 /* DLCI is not configured */
- #define FRRES_TOO_LONG 0x05
- #define FRRES_TOO_MANY 0x06
- #define FRRES_CIR_OVERFLOW 0x07 /* Tx throughput has exceeded CIR */
- #define FRRES_BUFFER_OVERFLOW 0x08
- #define FRRES_MODEM_FAILURE 0x10 /* DCD and/or CTS dropped */
- #define FRRES_CHANNEL_DOWN 0x11 /* channel became inoperative */
- #define FRRES_CHANNEL_UP 0x12 /* channel became operative */
- #define FRRES_DLCI_CHANGE 0x13 /* DLCI status (or number) changed */
- #define FRRES_DLCI_MISMATCH 0x14
- #define FRRES_INVALID_CMD 0x1F /* invalid command */
-
- /* 'attr' field defines */
- #define FRATTR_
-
- /*----------------------------------------------------------------------------
- * Frame relay mailbox.
- * This structure is located at offset FR50?_MBOX_OFFS into FR_MB_VECTOR.
- * For S502 it is also located at offset FR502_RXMB_OFFS into
- * FR502_RX_VECTOR.
- */
- typedef struct fr_mbox
- {
- unsigned char opflag PACKED; /* 00h: execution flag */
- fr_cmd_t cmd PACKED; /* 01h: command block */
- unsigned char data[1] PACKED; /* 10h: variable length data buffer */
- } fr_mbox_t;
-
- /*----------------------------------------------------------------------------
- * S502 frame relay status flags.
- * This structure is located at offset FR502_FLAG_OFFS into FR_MB_VECTOR.
- */
- typedef struct fr502_flags
- {
- unsigned char rsrv1[1] PACKED; /* 00h: */
- unsigned char tx_ready PACKED; /* 01h: Tx buffer available */
- unsigned char rx_ready PACKED; /* 02h: Rx frame available */
- unsigned char event PACKED; /* 03h: asynchronous event */
- unsigned char mstatus PACKED; /* 04h: modem status */
- unsigned char rsrv2[8] PACKED; /* 05h: */
- unsigned char iflag PACKED; /* 0Dh: interrupt flag */
- unsigned char imask PACKED; /* 0Eh: interrupt mask */
- } fr502_flags_t;
-
- /*----------------------------------------------------------------------------
- * S508 frame relay status flags.
- * This structure is located at offset FR508_FLAG_OFFS into FR_MB_VECTOR.
- */
- typedef struct fr508_flags
- {
- unsigned char rsrv1[3] PACKED; /* 00h: reserved */
- unsigned char event PACKED; /* 03h: asynchronous event */
- unsigned char mstatus PACKED; /* 04h: modem status */
- unsigned char rsrv2[11] PACKED; /* 05h: reserved */
- unsigned char iflag PACKED; /* 10h: interrupt flag */
- unsigned char imask PACKED; /* 11h: interrupt mask */
- unsigned long tse_offs PACKED; /* 12h: Tx status element */
- unsigned short dlci PACKED; /* 16h: DLCI NUMBER */
- } fr508_flags_t;
-
- /* 'event' field defines */
- #define FR_EVENT_STATUS 0x01 /* channel status change ??? */
- #define FR_EVENT_DLC_STATUS 0x02 /* DLC status change */
- #define FR_EVENT_BAD_DLCI 0x04 /* FSR included wrong DLCI */
- #define FR_EVENT_LINK_DOWN 0x40 /* DCD or CTS low */
-
- /* 'mstatus' field defines */
- #define FR_MDM_DCD 0x08 /* mdm_status: DCD */
- #define FR_MDM_CTS 0x20 /* mdm_status: CTS */
-
- /* 'iflag' & 'imask' fields defines */
- #define FR_INTR_RXRDY 0x01 /* Rx ready */
- #define FR_INTR_TXRDY 0x02 /* Tx ready */
- #define FR_INTR_MODEM 0x04 /* modem status change (DCD, CTS) */
- #define FR_INTR_READY 0x08 /* interface command completed */
- #define FR_INTR_DLC 0x10 /* DLC status change */
- #define FR_INTR_TIMER 0x20 /* millisecond timer */
-
- /*----------------------------------------------------------------------------
- * Receive Buffer Configuration Info. S508 only!
- * This structure is located at offset FR508_RXBC_OFFS into FR_MB_VECTOR.
- */
- typedef struct fr_buf_info
- {
- unsigned short rse_num PACKED; /* 00h: number of status elements */
- unsigned long rse_base PACKED; /* 02h: receive status array base */
- unsigned long rse_next PACKED; /* 06h: next status element */
- unsigned long buf_base PACKED; /* 0Ah: rotational buffer base */
- unsigned short reserved PACKED; /* 0Eh: */
- unsigned long buf_top PACKED; /* 10h: rotational buffer top */
- } fr_buf_info_t;
-
- /*----------------------------------------------------------------------------
- * Buffer Status Element. S508 only!
- * Array of structures of this type is located at offset defined by the
- * 'rse_base' field of the frBufInfo_t structure into absolute adapter
- * memory address space.
- */
- typedef struct fr_buf_ctl
- {
- unsigned char flag PACKED; /* 00h: ready flag */
- unsigned short length PACKED; /* 01h: frame length */
- unsigned short dlci PACKED; /* 03h: DLCI */
- unsigned char attr PACKED; /* 05h: FECN/BECN/DE/CR */
- unsigned short tmstamp PACKED; /* 06h: time stamp */
- unsigned short rsrv[2] PACKED; /* 08h: */
- unsigned long offset PACKED; /* 0Ch: buffer absolute address */
- } fr_buf_ctl_t;
-
- /*----------------------------------------------------------------------------
- * Global Configuration Block. Passed to FR_SET_CONFIG command when dlci == 0.
- */
- typedef struct fr_conf
- {
- unsigned short station PACKED; /* 00h: CPE/Node */
- unsigned short options PACKED; /* 02h: configuration options */
- unsigned short kbps PACKED; /* 04h: baud rate in kbps */
- unsigned short port PACKED; /* 06h: RS-232/V.35 */
- unsigned short mtu PACKED; /* 08h: max. transmit length */
- unsigned short t391 PACKED; /* 0Ah: */
- unsigned short t392 PACKED; /* 0Ch: */
- unsigned short n391 PACKED; /* 0Eh: */
- unsigned short n392 PACKED; /* 10h: */
- unsigned short n393 PACKED; /* 12h: */
- unsigned short cir_fwd PACKED; /* 14h: */
- unsigned short bc_fwd PACKED; /* 16h: */
- unsigned short be_fwd PACKED; /* 18h: */
- unsigned short cir_bwd PACKED; /* 1Ah: */
- unsigned short bc_bwd PACKED; /* 1Ch: */
- unsigned short be_bwd PACKED; /* 1Eh: */
- unsigned short dlci[0] PACKED; /* 20h: */
- } fr_conf_t;
-
- /* 'station_type' defines */
- #define FRCFG_STATION_CPE 0
- #define FRCFG_STATION_NODE 1
-
- /* 'conf_flags' defines */
- #define FRCFG_IGNORE_TX_CIR 0x0001
- #define FRCFG_IGNORE_RX_CIR 0x0002
- #define FRCFG_DONT_RETRANSMIT 0x0004
- #define FRCFG_IGNORE_CBS 0x0008
- #define FRCFG_THROUGHPUT 0x0010 /* enable throughput calculation */
- #define FRCFG_DIRECT_RX 0x0080 /* enable direct receive buffer */
- #define FRCFG_AUTO_CONFIG 0x8000 /* enable auto DLCI configuration */
-
- /* 'baud_rate' defines */
- #define FRCFG_BAUD_1200 12
- #define FRCFG_BAUD_2400 24
- #define FRCFG_BAUD_4800 48
- #define FRCFG_BAUD_9600 96
- #define FRCFG_BAUD_19200 19
- #define FRCFG_BAUD_38400 38
- #define FRCFG_BAUD_56000 56
- #define FRCFG_BAUD_64000 64
- #define FRCFG_BAUD_128000 128
-
- /* 'port_mode' defines */
- #define FRCFG_MODE_EXT_CLK 0x0000
- #define FRCFG_MODE_INT_CLK 0x0001
- #define FRCFG_MODE_V35 0x0000 /* S508 only */
- #define FRCFG_MODE_RS232 0x0002 /* S508 only */
-
- /*----------------------------------------------------------------------------
- * Channel configuration.
- * This structure is passed to the FR_SET_CONFIG command when dlci != 0.
- */
- typedef struct fr_dlc_conf
- {
- unsigned short conf_flags PACKED; /* 00h: configuration bits */
- unsigned short cir_fwd PACKED; /* 02h: */
- unsigned short bc_fwd PACKED; /* 04h: */
- unsigned short be_fwd PACKED; /* 06h: */
- unsigned short cir_bwd PACKED; /* 08h: */
- unsigned short bc_bwd PACKED; /* 0Ah: */
- unsigned short be_bwd PACKED; /* 0Ch: */
- } fr_dlc_conf_t;
-
- /*----------------------------------------------------------------------------
- * S502 interrupt mode control block.
- * This structure is passed to the FR_SET_INTR_FLAGS and returned by the
- * FR_READ_INTR_FLAGS commands.
- */
- typedef struct fr502_intr_ctl
- {
- unsigned char mode PACKED; /* 00h: interrupt enable flags */
- unsigned short tx_len PACKED; /* 01h: required Tx buffer size */
- } fr502_intr_ctl_t;
-
- /*----------------------------------------------------------------------------
- * S508 interrupt mode control block.
- * This structure is passed to the FR_SET_INTR_FLAGS and returned by the
- * FR_READ_INTR_FLAGS commands.
- */
- typedef struct fr508_intr_ctl
- {
- unsigned char mode PACKED; /* 00h: interrupt enable flags */
- unsigned short tx_len PACKED; /* 01h: required Tx buffer size */
- unsigned char irq PACKED; /* 03h: IRQ level to activate */
- unsigned char flags PACKED; /* 04h: ?? */
- unsigned short timeout PACKED; /* 05h: ms, for timer interrupt */
- } fr508_intr_ctl_t;
-
- /*----------------------------------------------------------------------------
- * Channel status.
- * This structure is returned by the FR_READ_STATUS command.
- */
- typedef struct fr_dlc_Status
- {
- unsigned char status PACKED; /* 00h: link/DLCI status */
- struct
- {
- unsigned short dlci PACKED; /* 01h: DLCI number */
- unsigned char status PACKED; /* 03h: DLCI status */
- } circuit[1] PACKED;
- } fr_dlc_status_t;
-
- /* 'status' defines */
- #define FR_LINK_INOPER 0x00 /* for global status (DLCI == 0) */
- #define FR_LINK_OPER 0x01
- #define FR_DLCI_DELETED 0x01 /* for circuit status (DLCI != 0) */
- #define FR_DLCI_ACTIVE 0x02
- #define FR_DLCI_WAITING 0x04
- #define FR_DLCI_NEW 0x08
- #define FR_DLCI_REPORT 0x40
-
- /*----------------------------------------------------------------------------
- * Global Statistics Block.
- * This structure is returned by the FR_READ_STATISTICS command when
- * dcli == 0.
- */
- typedef struct fr_link_stat
- {
- unsigned short rx_too_long PACKED; /* 00h: */
- unsigned short rx_dropped PACKED; /* 02h: */
- unsigned short rx_dropped2 PACKED; /* 04h: */
- unsigned short rx_bad_dlci PACKED; /* 06h: */
- unsigned short rx_bad_format PACKED; /* 08h: */
- unsigned short retransmitted PACKED; /* 0Ah: */
- unsigned short cpe_tx_FSE PACKED; /* 0Ch: */
- unsigned short cpe_tx_LIV PACKED; /* 0Eh: */
- unsigned short cpe_rx_FSR PACKED; /* 10h: */
- unsigned short cpe_rx_LIV PACKED; /* 12h: */
- unsigned short node_rx_FSE PACKED; /* 14h: */
- unsigned short node_rx_LIV PACKED; /* 16h: */
- unsigned short node_tx_FSR PACKED; /* 18h: */
- unsigned short node_tx_LIV PACKED; /* 1Ah: */
- unsigned short rx_ISF_err PACKED; /* 1Ch: */
- unsigned short rx_unsolicited PACKED; /* 1Eh: */
- unsigned short rx_SSN_err PACKED; /* 20h: */
- unsigned short rx_RSN_err PACKED; /* 22h: */
- unsigned short T391_timeouts PACKED; /* 24h: */
- unsigned short T392_timeouts PACKED; /* 26h: */
- unsigned short N392_reached PACKED; /* 28h: */
- unsigned short cpe_SSN_RSN PACKED; /* 2Ah: */
- unsigned short current_SSN PACKED; /* 2Ch: */
- unsigned short current_RSN PACKED; /* 2Eh: */
- unsigned short curreny_T391 PACKED; /* 30h: */
- unsigned short current_T392 PACKED; /* 32h: */
- unsigned short current_N392 PACKED; /* 34h: */
- unsigned short current_N393 PACKED; /* 36h: */
- } fr_link_stat_t;
-
- /*----------------------------------------------------------------------------
- * DLCI statistics.
- * This structure is returned by the FR_READ_STATISTICS command when
- * dlci != 0.
- */
- typedef struct fr_dlci_stat
- {
- unsigned long tx_frames PACKED; /* 00h: */
- unsigned long tx_bytes PACKED; /* 04h: */
- unsigned long rx_frames PACKED; /* 08h: */
- unsigned long rx_bytes PACKED; /* 0Ch: */
- unsigned long rx_dropped PACKED; /* 10h: */
- unsigned long rx_inactive PACKED; /* 14h: */
- unsigned long rx_exceed_CIR PACKED; /* 18h: */
- unsigned long rx_DE_set PACKED; /* 1Ch: */
- unsigned long tx_throughput PACKED; /* 20h: */
- unsigned long tx_calc_timer PACKED; /* 24h: */
- unsigned long rx_throughput PACKED; /* 28h: */
- unsigned long rx_calc_timer PACKED; /* 2Ch: */
- } fr_dlci_stat_t;
-
- /*----------------------------------------------------------------------------
- * Communications error statistics.
- * This structure is returned by the FR_READ_ERROR_STATS command.
- */
- typedef struct fr_comm_stat
- {
- unsigned char rx_overruns PACKED; /* 00h: */
- unsigned char rx_bad_crc PACKED; /* 01h: */
- unsigned char rx_aborts PACKED; /* 02h: */
- unsigned char rx_too_long PACKED; /* 03h: */
- unsigned char tx_aborts PACKED; /* 04h: */
- unsigned char tx_underruns PACKED; /* 05h: */
- unsigned char tx_missed_undr PACKED; /* 06h: */
- unsigned char dcd_dropped PACKED; /* 07h: */
- unsigned char cts_dropped PACKED; /* 08h: */
- } fr_comm_stat_t;
-
- /*----------------------------------------------------------------------------
- * Defines for the FR_ISSUE_IS_FRAME command.
- */
- #define FR_ISF_LVE 2 /* issue Link Verification Enquiry */
- #define FR_ISF_FSE 3 /* issue Full Status Enquiry */
-
- #ifdef _MSC_
- # pragma pack()
- #endif
- #endif /* _SDLA_FR_H */
-
-