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/* dvbloop - A DVB Loopback Device
* Copyright (C) 2006 Christian Praehauser, Deti Fliegl
-----------------------------------------
* File: dvblo_char.h
* Desc: Char device support for dvblo
* Date: October 2006
* Author: Christian Praehauser <cpreahaus@cosy.sbg.ac.at>, Deti Fliegl <deti@fliegl.de>
*
* This file is released under the GPLv2.
*/
#ifndef _DVBLO_UTIL_H_
#define _DVBLO_UTIL_H_
#include <linux/types.h>
int dvblo_parse_mac (const char *macstr, u8 * mac_out);
#if 0
/**
* Ring buffer implementation
* @todo maybe use kfifo which is provided by Linux kernels >= 2.6.10
*/
struct dvblo_ringbuf
{
u8 *buf;
size_t size;
unsigned int wr;
unsigned int rd;
};
typedef struct dvblo_ringbuf dvblo_ringbuf_t;
static inline int dvblo_rb_alloc (size_t size, dvblo_ringbuf_t * rb_out)
{
rb_out->buf = kmalloc (size, GFP_KERNEL);
if (rb_out->buf == NULL)
return -ENOMEM;
else {
rb_out->size = size;
rb_out->in = rb_out->out = 0;
}
return 0;
}
static inline ssize_t dvblo_rb_write (dvblo_ringbuf_t * rb_out,
#endif /* */
#endif /* _DVBLO_UTIL_H_ */
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