/*********************************************************************
*
* 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 Tromsø 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
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