sdla_x25.h

umon bootloader source code, support mips cpu.

	TX25TimeStamp tstamp	PACKED;	/* 08h: timestamp (BCD) */
	unsigned char iflags	PACKED;	/* 0Dh: interrupt flags */
	unsigned char imask     PACKED; /* 0Eh: interrupt mask  */
	unsigned char resrv	PACKED;	/* 0Eh: */
	unsigned char gflags	PACKED;	/* 10h: misc. HDLC/X25 flags */
	unsigned char cflags[X25_MAX_CHAN] PACKED; /* channel status bytes */
} TX25Status;

/*
 * Bitmasks for the 'iflags' field.
 */
#define X25_RX_INTR	0x01	/* receive interrupt */
#define X25_TX_INTR	0x02	/* transmit interrupt */
#define X25_MODEM_INTR	0x04	/* modem status interrupt (CTS/DCD) */
#define X25_EVENT_INTR	0x10	/* asyncronous event encountered */
#define X25_CMD_INTR	0x08	/* interface command complete */

/*
 * Bitmasks for the 'gflags' field.
 */
#define X25_HDLC_ABM	0x01	/* HDLC is in ABM mode */
#define X25_RX_READY	0x02	/* X.25 data available */
#define X25_TRACE_READY	0x08	/* trace data available */
#define X25_EVENT_IND	0x20	/* asynchronous event indicator */
#define X25_TX_READY	0x40	/* space is available in Tx buf.*/

/*
 * Bitmasks for the 'cflags' field.
 */
#define X25_XFER_MODE	0x80	/* channel is in data transfer mode */
#define X25_TXWIN_OPEN	0x40	/* transmit window open */
#define X25_RXBUF_MASK	0x3F	/* number of data buffers available */

/*****************************************************************************
 * Following definitions structurize contents of the TX25Mbox.data field for
 * different X.25 interface commands.
 ****************************************************************************/

/* ---------------------------------------------------------------------------
 * X25_SET_GLOBAL_VARS Command.
 */
typedef struct X25GlobalVars
{
	unsigned char resrv	PACKED;	/* 00h: reserved */
	unsigned char dtrCtl	PACKED;	/* 01h: DTR control code */
	unsigned char resErr	PACKED;	/* 01h: '1' - reset modem error */
} TX25GlobalVars;

/*
 * Defines for the 'dtrCtl' field.
 */
#define X25_RAISE_DTR	0x01
#define X25_DROP_DTR	0x02

/* ---------------------------------------------------------------------------
 * X25_READ_MODEM_STATUS Command.
 */
typedef struct X25ModemStatus
{
	unsigned char	status	PACKED;		/* 00h: modem status */
} TX25ModemStatus;

/*
 * Defines for the 'status' field.
 */
#define X25_CTS_MASK	0x20
#define X25_DCD_MASK	0x08

/* ---------------------------------------------------------------------------
 * X25_HDLC_LINK_STATUS Command.
 */
typedef struct X25LinkStatus
{
	unsigned char txQueued	PACKED;	/* 00h: queued Tx I-frames*/
	unsigned char rxQueued	PACKED;	/* 01h: queued Rx I-frames*/
	unsigned char station	PACKED;	/* 02h: DTE/DCE config. */
	unsigned char reserved	PACKED;	/* 03h: reserved */
	unsigned char sfTally	PACKED;	/* 04h: supervisory frame tally */
} TX25LinkStatus;

/*
 * Defines for the 'station' field.
 */
#define	X25_STATION_DTE	0x01	/* station configured as DTE */
#define X25_STATION_DCE	0x02	/* station configured as DCE */

/* ---------------------------------------------------------------------------
 * X25_HDLC_READ_STATS Command.
 */
typedef struct HdlcStats
{						/*	a number of ... */
	unsigned short rxIFrames	PACKED;	/* 00h: ready Rx I-frames */
	unsigned short rxNoseq		PACKED;	/* 02h: frms out-of-sequence */
	unsigned short rxNodata		PACKED;	/* 04h: I-frms without data */
	unsigned short rxDiscarded	PACKED;	/* 06h: discarded frames */
	unsigned short rxTooLong	PACKED;	/* 08h: frames too long */
	unsigned short rxBadAddr	PACKED;	/* 0Ah: frms with inval.addr*/
	unsigned short txAcked		PACKED;	/* 0Ch: acknowledged I-frms */
	unsigned short txRetransm	PACKED;	/* 0Eh: re-transmit. I-frms */
	unsigned short t1Timeout	PACKED;	/* 10h: T1 timeouts */
	unsigned short rxSABM		PACKED;	/* 12h: received SABM frames */
	unsigned short rxDISC		PACKED;	/* 14h: received DISC frames */
	unsigned short rxDM		PACKED;	/* 16h: received DM frames */
	unsigned short rxFRMR		PACKED;	/* 18h: FRMR frames received */
	unsigned short txSABM		PACKED;	/* 1Ah: transm. SABM frames*/
	unsigned short txDISC		PACKED;	/* 1Ch: transm. DISC frames*/
	unsigned short txDM		PACKED;	/* 1Eh: transm. DM frames */
	unsigned short txFRMR		PACKED;	/* 20h: transm. FRMR frames*/
} THdlcStats;

/* ---------------------------------------------------------------------------
 * X25_HDLC_READ_COMM_ERR Command.
 */
typedef struct HdlcCommErr
{						/*	a number of ... */
	unsigned char rxOverrun		PACKED;	/* 00h: Rx overrun errors */
	unsigned char rxBadCrc		PACKED;	/* 01h: Rx CRC errors */
	unsigned char rxAborted		PACKED;	/* 02h: Rx aborted frames */
	unsigned char rxDropped		PACKED;	/* 03h: frames lost */
	unsigned char txAborted		PACKED;	/* 04h: Tx aborted frames */
	unsigned char txUnderrun	PACKED;	/* 05h: Tx underrun errors */
	unsigned char txMissIntr	PACKED;	/* 06h: missed underrun ints */
	unsigned char reserved		PACKED;	/* 07h: reserved */
	unsigned char droppedDCD	PACKED;	/* 08h: times DCD dropped */
	unsigned char droppedCTS	PACKED;	/* 09h: times CTS dropped */
} THdlcCommErr;

/* ---------------------------------------------------------------------------
 * X25_SET_CONFIGURATION & X25_READ_CONFIGURATION Commands.
 */
typedef struct X25Config
{
unsigned char baudRate		PACKED;	/* 00h:  */
	unsigned char t1		PACKED;	/* 01h:  */
	unsigned char t2		PACKED;	/* 02h:  */
	unsigned char n2		PACKED;	/* 03h:  */
	unsigned short hdlcMTU		PACKED;	/* 04h:  */
	unsigned char hdlcWindow	PACKED;	/* 06h:  */
	unsigned char t4		PACKED;	/* 07h:  */
	unsigned char autoModem		PACKED;	/* 08h:  */
	unsigned char autoHdlc		PACKED;	/* 09h:  */
	unsigned char hdlcOptions	PACKED;	/* 0Ah:  */
	unsigned char station		PACKED;	/* 0Bh:  */
	unsigned char pktWindow		PACKED;	/* 0Ch:  */
	unsigned short defPktSize	PACKED;	/* 0Dh:  */
	unsigned short pktMTU		PACKED;	/* 0Fh:  */
	unsigned short loPVC		PACKED;	/* 11h:  */
	unsigned short hiPVC		PACKED;	/* 13h:  */
	unsigned short loIncommingSVC	PACKED;	/* 15h:  */
	unsigned short hiIncommingSVC	PACKED;	/* 17h:  */
	unsigned short loTwoWaySVC	PACKED;	/* 19h:  */
	unsigned short hiTwoWaySVC	PACKED;	/* 1Bh:  */
	unsigned short loOutgoingSVC	PACKED;	/* 1Dh:  */
	unsigned short hiOutgoingSVC	PACKED;	/* 1Fh:  */
	unsigned short options		PACKED;	/* 21h:  */
	unsigned char responseOpt	PACKED;	/* 23h:  */
	unsigned short facil1		PACKED;	/* 24h:  */
	unsigned short facil2		PACKED;	/* 26h:  */
	unsigned short ccittFacil	PACKED;	/* 28h:  */
	unsigned short otherFacil	PACKED;	/* 2Ah:  */
	unsigned short ccittCompat	PACKED;	/* 2Ch:  */
	unsigned char t10t20		PACKED;	/* 2Eh:  */
	unsigned char t11t21		PACKED;	/* 2Fh:  */
	unsigned char t12t22		PACKED;	/* 30h:  */
	unsigned char t13t23		PACKED;	/* 31h:  */
	unsigned char t16t26		PACKED;	/* 32H:  */
	unsigned char t28		PACKED;	/* 33h:  */
	unsigned char r10r20		PACKED;	/* 34h:  */
	unsigned char r12r22		PACKED;	/* 35h:  */
	unsigned char r13r23		PACKED;	/* 36h:  */
} TX25Config;

/* ---------------------------------------------------------------------------
 * X25_READ_CHANNEL_CONFIG Command.
 */
typedef struct X25ChanAlloc			/*----- Channel allocation -*/
{
	unsigned short loPVC		PACKED;	/* 00h: lowest PVC number */
	unsigned short hiPVC		PACKED;	/* 02h: highest PVC number */
	unsigned short loIncommingSVC	PACKED;	/* 04h: lowest incoming SVC */
	unsigned short hiIncommingSVC	PACKED;	/* 06h: highest incoming SVC */
	unsigned short loTwoWaySVC	PACKED;	/* 08h: lowest two-way SVC */
	unsigned short hiTwoWaySVC	PACKED;	/* 0Ah: highest two-way SVC */
	unsigned short loOutgoingSVC	PACKED;	/* 0Ch: lowest outgoing SVC */
	unsigned short hiOutgoingSVC	PACKED;	/* 0Eh: highest outgoing SVC */
} TX25ChanAlloc;

typedef struct X25ChanCfg		/*------ Channel configuration -----*/
{
	unsigned char type	PACKED;	/* 00h: channel type */
	unsigned char txConf	PACKED;	/* 01h: Tx packet and window sizes */
	unsigned char rxConf	PACKED;	/* 01h: Rx packet and window sizes */
} TX25ChanCfg;

/*
 * Defines for the 'type' field.
 */
#define	X25_PVC  	0x01	/* PVC */
#define	X25_SVC_IN	0x03	/* Incoming SVC */
#define	X25_SVC_TWOWAY	0x07	/* Two-way SVC */
#define	X25_SVC_OUT	0x0B	/* Outgoing SVC */

/*----------------------------------------------------------------------------
 * X25_READ_STATISTICS Command.
 */
typedef struct X25Stats
{						/* number of packets Tx/Rx'ed */
	unsigned short txRestartRqst	PACKED;	/* 00h: Restart Request */
	unsigned short rxRestartRqst	PACKED;	/* 02h: Restart Request */
	unsigned short txRestartConf	PACKED;	/* 04h: Restart Confirmation */
	unsigned short rxRestartConf	PACKED;	/* 06h: Restart Confirmation */
	unsigned short txResetRqst	PACKED;	/* 08h: Reset Request */
	unsigned short rxResetRqst	PACKED;	/* 0Ah: Reset Request */
	unsigned short txResetConf	PACKED;	/* 0Ch: Reset Confirmation */
	unsigned short rxResetConf	PACKED;	/* 0Eh: Reset Confirmation */
	unsigned short txCallRequest	PACKED;	/* 10h: Call Request */
	unsigned short rxCallRequest	PACKED;	/* 12h: Call Request */
	unsigned short txCallAccept	PACKED;	/* 14h: Call Accept */
	unsigned short rxCallAccept	PACKED;	/* 16h: Call Accept */
	unsigned short txClearRqst	PACKED;	/* 18h: Clear Request */
	unsigned short rxClearRqst	PACKED;	/* 1Ah: Clear Request */
	unsigned short txClearConf	PACKED;	/* 1Ch: Clear Confirmation */
	unsigned short rxClearConf	PACKED;	/* 1Eh: Clear Confirmation */
	unsigned short txDiagnostic	PACKED;	/* 20h: Diagnostic */
	unsigned short rxDiagnostic	PACKED;	/* 22h: Diagnostic */
	unsigned short txRegRqst	PACKED;	/* 24h: Registration Request */
	unsigned short rxRegRqst	PACKED;	/* 26h: Registration Request */
	unsigned short txRegConf	PACKED;	/* 28h: Registration Confirm.*/
	unsigned short rxRegConf	PACKED;	/* 2Ah: Registration Confirm.*/
	unsigned short txInterrupt	PACKED;	/* 2Ch: Interrupt */
	unsigned short rxInterrupt	PACKED;	/* 2Eh: Interrupt */
	unsigned short txIntrConf	PACKED;	/* 30h: Interrupt Confirm. */
	unsigned short rxIntrConf	PACKED;	/* 32h: Interrupt Confirm. */
	unsigned short txData		PACKED;	/* 34h: Data */
	unsigned short rxData		PACKED;	/* 36h: Data */
	unsigned short txRR		PACKED;	/* 38h: RR */
	unsigned short rxRR		PACKED;	/* 3Ah: RR */
	unsigned short txRNR		PACKED;	/* 3Ch: RNR */
	unsigned short rxRNR		PACKED;	/* 3Eh: RNR */
} TX25Stats;

/*----------------------------------------------------------------------------
 * X25_READ_HISTORY_TABLE Command.
 */
typedef struct X25EventLog
{
	unsigned char	type	PACKED;	/* 00h: transaction type */
	unsigned short	lcn	PACKED;	/* 01h: logical channel num */
	unsigned char	packet	PACKED;	/* 03h: async packet type */
	unsigned char	cause	PACKED;	/* 04h: X.25 cause field */
	unsigned char	diag	PACKED;	/* 05h: X.25 diag field */
	TX25TimeStamp	ts	PACKED;	/* 06h: time stamp */
} TX25EventLog;

/*
 * Defines for the 'type' field.
 */
#define X25LOG_INCOMMING	0x00