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Diffstat (limited to 'include/net/irda/wrapper.h')
-rw-r--r-- | include/net/irda/wrapper.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/net/irda/wrapper.h b/include/net/irda/wrapper.h new file mode 100644 index 00000000000..2942ad6ab93 --- /dev/null +++ b/include/net/irda/wrapper.h @@ -0,0 +1,58 @@ +/********************************************************************* + * + * 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 |