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/*
* cycx_x25.h Cyclom X.25 firmware API definitions.
*
* Author: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
*
* Copyright: (c) 1998, 1999 Arnaldo Carvalho de Melo
*
* Based on sdla_x25.h by Gene Kozin <74604.152@compuserve.com>
*
* 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.
* ============================================================================
* 1999/01/03 acme judicious use of data types
*
* 1999/01/02 acme #define X25_ACK_N3 0x4411
* Dec 28, 1998 Arnaldo cleanup: lot'o'things removed
* commands listed,
* TX25Cmd & TX25Config structs
* typedef'ed
*/
#ifndef _CYCX_X25_H
#define _CYCX_X25_H
#ifndef PACKED
#define PACKED __attribute__((packed))
#endif
/* X.25 shared memory layout. */
#define X25_MBOX_OFFS 0x300 /* general mailbox block */
#define X25_RXMBOX_OFFS 0x340 /* receive mailbox */
/* DATA STRUCTURES */
/* X.25 Command Block. */
typedef struct X25Cmd
{
u16 command PACKED;
u16 link PACKED; /* values: 0 or 1 */
u16 len PACKED; /* values: 0 thru 0x205 (517) */
u32 buf PACKED;
} TX25Cmd;
/* Defines for the 'command' field. */
#define X25_CONNECT_REQUEST 0x4401
#define X25_CONNECT_RESPONSE 0x4402
#define X25_DISCONNECT_REQUEST 0x4403
#define X25_DISCONNECT_RESPONSE 0x4404
#define X25_DATA_REQUEST 0x4405
#define X25_ACK_TO_VC 0x4406
#define X25_INTERRUPT_RESPONSE 0x4407
#define X25_CONFIG 0x4408
#define X25_CONNECT_INDICATION 0x4409
#define X25_CONNECT_CONFIRM 0x440A
#define X25_DISCONNECT_INDICATION 0x440B
#define X25_DISCONNECT_CONFIRM 0x440C
#define X25_DATA_INDICATION 0x440E
#define X25_INTERRUPT_INDICATION 0x440F
#define X25_ACK_FROM_VC 0x4410
#define X25_ACK_N3 0x4411
#define X25_CONNECT_COLLISION 0x4413
#define X25_N3WIN 0x4414
#define X25_LINE_ON 0x4415
#define X25_LINE_OFF 0x4416
#define X25_RESET_REQUEST 0x4417
#define X25_LOG 0x4500
#define X25_STATISTIC 0x4600
#define X25_TRACE 0x4700
#define X25_N2TRACEXC 0x4702
#define X25_N3TRACEXC 0x4703
typedef struct X25Config {
u8 link PACKED; /* link number */
u8 speed PACKED; /* line speed */
u8 clock PACKED; /* internal/external */
u8 n2 PACKED; /* # of level 2 retransm.(values: 1 thru FF) */
u8 n2win PACKED; /* level 2 window (values: 1 thru 7) */
u8 n3win PACKED; /* level 3 window (values: 1 thru 7) */
u8 nvc PACKED; /* # of logical channels (values: 1 thru 64) */
u8 pktlen PACKED; /* level 3 packet lenght - log base 2 of size */
u8 locaddr PACKED; /* my address */
u8 remaddr PACKED; /* remote address */
u16 t1 PACKED; /* time, in seconds */
u16 t2 PACKED; /* time, in seconds */
u8 t21 PACKED; /* time, in seconds */
u8 npvc PACKED; /* # of permanent virt. circuits (1 thru nvc) */
u8 t23 PACKED; /* time, in seconds */
u8 flags PACKED; /* see dosx25.doc, in portuguese, for details */
} TX25Config;
typedef struct X25Stats {
u16 rx_crc_errors PACKED;
u16 rx_over_errors PACKED;
u16 n2_tx_frames PACKED;
u16 n2_rx_frames PACKED;
u16 tx_timeouts PACKED;
u16 rx_timeouts PACKED;
u16 n3_tx_packets PACKED;
u16 n3_rx_packets PACKED;
u16 tx_aborts PACKED;
u16 rx_aborts PACKED;
} TX25Stats;
#endif /* _CYCX_X25_H */
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