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+/*********************************************************************
+ *
+ * Filename: wrapper.h
+ * Version: 1.2
+ * Description: IrDA SIR async wrapper layer
+ * Status: Experimental.
+ * Author: Dag Brattli <dagb@cs.uit.no>
+ * Created at: Mon Aug 4 20:40:53 1997
+ * Modified at: Tue Jan 11 12:37:29 2000
+ * Modified by: Dag Brattli <dagb@cs.uit.no>
+ *
+ * Copyright (c) 1998-2000 Dag Brattli <dagb@cs.uit.no>,
+ * All Rights Reserved.
+ *
+ * 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.
+ *
+ * Neither Dag Brattli nor University of Tromsų admit liability nor
+ * provide warranty for any of this software. This material is
+ * provided "AS-IS" and at no charge.
+ *
+ ********************************************************************/
+
+#ifndef WRAPPER_H
+#define WRAPPER_H
+
+#include <linux/types.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+
+#include <net/irda/irda_device.h> /* iobuff_t */
+
+#define BOF 0xc0 /* Beginning of frame */
+#define XBOF 0xff
+#define EOF 0xc1 /* End of frame */
+#define CE 0x7d /* Control escape */
+
+#define STA BOF /* Start flag */
+#define STO EOF /* End flag */
+
+#define IRDA_TRANS 0x20 /* Asynchronous transparency modifier */
+
+/* States for receving a frame in async mode */
+enum {
+ OUTSIDE_FRAME,
+ BEGIN_FRAME,
+ LINK_ESCAPE,
+ INSIDE_FRAME
+};
+
+/* Proto definitions */
+int async_wrap_skb(struct sk_buff *skb, __u8 *tx_buff, int buffsize);
+void async_unwrap_char(struct net_device *dev, struct net_device_stats *stats,
+ iobuff_t *buf, __u8 byte);
+
+#endif