1/*********************************************************************
2 *
3 * Filename:      wrapper.h
4 * Version:       1.2
5 * Description:   IrDA SIR async wrapper layer
6 * Status:        Experimental.
7 * Author:        Dag Brattli <dagb@cs.uit.no>
8 * Created at:    Mon Aug  4 20:40:53 1997
9 * Modified at:   Tue Jan 11 12:37:29 2000
10 * Modified by:   Dag Brattli <dagb@cs.uit.no>
11 *
12 *     Copyright (c) 1998-2000 Dag Brattli <dagb@cs.uit.no>,
13 *     All Rights Reserved.
14 *
15 *     This program is free software; you can redistribute it and/or
16 *     modify it under the terms of the GNU General Public License as
17 *     published by the Free Software Foundation; either version 2 of
18 *     the License, or (at your option) any later version.
19 *
20 *     Neither Dag Brattli nor University of Troms�� admit liability nor
21 *     provide warranty for any of this software. This material is
22 *     provided "AS-IS" and at no charge.
23 *
24 ********************************************************************/
25
26#ifndef WRAPPER_H
27#define WRAPPER_H
28
29#include <linux/types.h>
30#include <linux/skbuff.h>
31#include <linux/netdevice.h>
32
33#include <net/irda/irda_device.h>	/* iobuff_t */
34
35#define BOF  0xc0 /* Beginning of frame */
36#define XBOF 0xff
37#define EOF  0xc1 /* End of frame */
38#define CE   0x7d /* Control escape */
39
40#define STA BOF  /* Start flag */
41#define STO EOF  /* End flag */
42
43#define IRDA_TRANS 0x20    /* Asynchronous transparency modifier */
44
45/* States for receving a frame in async mode */
46enum {
47	OUTSIDE_FRAME,
48	BEGIN_FRAME,
49	LINK_ESCAPE,
50	INSIDE_FRAME
51};
52
53/* Proto definitions */
54int async_wrap_skb(struct sk_buff *skb, __u8 *tx_buff, int buffsize);
55void async_unwrap_char(struct net_device *dev, struct net_device_stats *stats,
56		       iobuff_t *buf, __u8 byte);
57
58#endif
59