2005-04-17 02:20:36 +04:00
/*********************************************************************
*
* 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 .
*
2007-05-09 10:30:57 +04:00
* Neither Dag Brattli nor University of Tromsø admit liability nor
2005-04-17 02:20:36 +04:00
* 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
