126 lines
3.6 KiB
C
126 lines
3.6 KiB
C
#ifndef _CYCX_X25_H
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#define _CYCX_X25_H
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/*
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* cycx_x25.h Cyclom X.25 firmware API definitions.
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*
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* Author: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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*
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* Copyright: (c) 1998-2003 Arnaldo Carvalho de Melo
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*
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* Based on sdla_x25.h by Gene Kozin <74604.152@compuserve.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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* ============================================================================
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* 2000/04/02 acme dprintk and cycx_debug
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* 1999/01/03 acme judicious use of data types
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* 1999/01/02 acme #define X25_ACK_N3 0x4411
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* 1998/12/28 acme cleanup: lot'o'things removed
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* commands listed,
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* TX25Cmd & TX25Config structs
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* typedef'ed
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*/
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#ifndef PACKED
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#define PACKED __attribute__((packed))
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#endif
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/* X.25 shared memory layout. */
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#define X25_MBOX_OFFS 0x300 /* general mailbox block */
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#define X25_RXMBOX_OFFS 0x340 /* receive mailbox */
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/* Debug */
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#define dprintk(level, format, a...) if (cycx_debug >= level) printk(format, ##a)
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extern unsigned int cycx_debug;
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/* Data Structures */
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/* X.25 Command Block. */
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struct cycx_x25_cmd {
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u16 command;
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u16 link; /* values: 0 or 1 */
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u16 len; /* values: 0 thru 0x205 (517) */
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u32 buf;
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} PACKED;
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/* Defines for the 'command' field. */
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#define X25_CONNECT_REQUEST 0x4401
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#define X25_CONNECT_RESPONSE 0x4402
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#define X25_DISCONNECT_REQUEST 0x4403
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#define X25_DISCONNECT_RESPONSE 0x4404
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#define X25_DATA_REQUEST 0x4405
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#define X25_ACK_TO_VC 0x4406
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#define X25_INTERRUPT_RESPONSE 0x4407
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#define X25_CONFIG 0x4408
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#define X25_CONNECT_INDICATION 0x4409
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#define X25_CONNECT_CONFIRM 0x440A
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#define X25_DISCONNECT_INDICATION 0x440B
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#define X25_DISCONNECT_CONFIRM 0x440C
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#define X25_DATA_INDICATION 0x440E
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#define X25_INTERRUPT_INDICATION 0x440F
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#define X25_ACK_FROM_VC 0x4410
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#define X25_ACK_N3 0x4411
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#define X25_CONNECT_COLLISION 0x4413
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#define X25_N3WIN 0x4414
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#define X25_LINE_ON 0x4415
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#define X25_LINE_OFF 0x4416
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#define X25_RESET_REQUEST 0x4417
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#define X25_LOG 0x4500
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#define X25_STATISTIC 0x4600
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#define X25_TRACE 0x4700
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#define X25_N2TRACEXC 0x4702
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#define X25_N3TRACEXC 0x4703
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/**
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* struct cycx_x25_config - cyclom2x x25 firmware configuration
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* @link - link number
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* @speed - line speed
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* @clock - internal/external
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* @n2 - # of level 2 retransm.(values: 1 thru FF)
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* @n2win - level 2 window (values: 1 thru 7)
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* @n3win - level 3 window (values: 1 thru 7)
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* @nvc - # of logical channels (values: 1 thru 64)
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* @pktlen - level 3 packet lenght - log base 2 of size
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* @locaddr - my address
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* @remaddr - remote address
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* @t1 - time, in seconds
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* @t2 - time, in seconds
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* @t21 - time, in seconds
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* @npvc - # of permanent virt. circuits (1 thru nvc)
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* @t23 - time, in seconds
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* @flags - see dosx25.doc, in portuguese, for details
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*/
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struct cycx_x25_config {
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u8 link;
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u8 speed;
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u8 clock;
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u8 n2;
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u8 n2win;
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u8 n3win;
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u8 nvc;
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u8 pktlen;
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u8 locaddr;
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u8 remaddr;
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u16 t1;
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u16 t2;
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u8 t21;
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u8 npvc;
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u8 t23;
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u8 flags;
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} PACKED;
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struct cycx_x25_stats {
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u16 rx_crc_errors;
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u16 rx_over_errors;
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u16 n2_tx_frames;
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u16 n2_rx_frames;
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u16 tx_timeouts;
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u16 rx_timeouts;
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u16 n3_tx_packets;
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u16 n3_rx_packets;
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u16 tx_aborts;
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u16 rx_aborts;
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} PACKED;
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#endif /* _CYCX_X25_H */
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