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include/linux/cycx_x25.h 3.64 KB
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1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  #ifndef	_CYCX_X25_H
  #define	_CYCX_X25_H
  /*
  * cycx_x25.h	Cyclom X.25 firmware API definitions.
  *
  * Author:	Arnaldo Carvalho de Melo <acme@conectiva.com.br>
  *
  * Copyright:	(c) 1998-2003 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 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. */
  struct cycx_x25_cmd {
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  	u16 command;
  	u16 link;	/* values: 0 or 1 */
  	u16 len;	/* values: 0 thru 0x205 (517) */
  	u32 buf;
  } PACKED;
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  /* 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
  
  /**
   *	struct cycx_x25_config - cyclom2x x25 firmware configuration
   *	@link - link number
   *	@speed - line speed
   *	@clock - internal/external
   *	@n2 - # of level 2 retransm.(values: 1 thru FF)
   *	@n2win - level 2 window (values: 1 thru 7)
   *	@n3win - level 3 window (values: 1 thru 7)
   *	@nvc - # of logical channels (values: 1 thru 64)
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   *	@pktlen - level 3 packet length - log base 2 of size
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   *	@locaddr - my address
   *	@remaddr - remote address
   *	@t1 - time, in seconds
   *	@t2 - time, in seconds
   *	@t21 - time, in seconds
   *	@npvc - # of permanent virt. circuits (1 thru nvc)
   *	@t23 - time, in seconds
   *	@flags - see dosx25.doc, in portuguese, for details
   */
  struct cycx_x25_config {
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  	u8  link;
  	u8  speed;
  	u8  clock;
  	u8  n2;
  	u8  n2win;
  	u8  n3win;
  	u8  nvc;
  	u8  pktlen;
  	u8  locaddr;
  	u8  remaddr;
  	u16 t1;
  	u16 t2;
  	u8  t21;
  	u8  npvc;
  	u8  t23;
  	u8  flags;
  } PACKED;
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  struct cycx_x25_stats {
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  	u16 rx_crc_errors;
  	u16 rx_over_errors;
  	u16 n2_tx_frames;
  	u16 n2_rx_frames;
  	u16 tx_timeouts;
  	u16 rx_timeouts;
  	u16 n3_tx_packets;
  	u16 n3_rx_packets;
  	u16 tx_aborts;
  	u16 rx_aborts;
  } PACKED;
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  #endif	/* _CYCX_X25_H */