--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/linux/cycx_x25.h	Sun Jan 11 20:20:11 2009 +0100
@@ -0,0 +1,125 @@
+#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 {
+	u16 command;
+	u16 link;	/* values: 0 or 1 */
+	u16 len;	/* values: 0 thru 0x205 (517) */
+	u32 buf;
+} PACKED;
+
+/* 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)
+ *	@pktlen - level 3 packet length - log base 2 of size
+ *	@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 {
+	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;
+
+struct cycx_x25_stats {
+	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;
+#endif	/* _CYCX_X25_H */