cycx_x25.h
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上传日期:2013-04-10
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- /*
- * cycx_x25.h Cyclom X.25 firmware API definitions.
- *
- * Author: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
- *
- * Copyright: (c) 1998-2000 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.
- * ============================================================================
- * 2000/04/02 acme dprintk and cycx_debug
- * 1999/01/03 acme judicious use of data types
- * 1999/01/02 acme #define X25_ACK_N3 0x4411
- * 1998/12/28 acme 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 */
- /* Debug */
- #define dprintk(level, format, a...) if (cycx_debug >= level) printk(format, ##a)
- extern unsigned int cycx_debug;
- /* 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 */