#include <linux/kernel.h>
#include <linux/string.h>

Include dependency graph for kfifo.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	kfifo

Macros
#define	DECLARE_KFIFO_PTR(fifo, type) struct kfifo fifo

#define	kfifo_init(f, buffer, sz)

#define	INIT_KFIFO(fifo) kfifo_init(&(fifo), NULL, 0)

#define	kfifo_reset(fifo) do { (fifo)->in = 0; (fifo)->out = 0; } while (0)

#define	kfifo_is_empty(fifo) ((fifo)->in == (fifo)->out)

#define	kfifo_len(fifo) ((fifo)->in - (fifo)->out)

#define	kfifo_avail(fifo) ((fifo)->size - (fifo)->in + (fifo)->out)

Macro Definition Documentation

◆ DECLARE_KFIFO_PTR

#define DECLARE_KFIFO_PTR	(	fifo,
		type
	)	struct kfifo fifo

◆ INIT_KFIFO

#define INIT_KFIFO ( fifo ) kfifo_init(&(fifo), NULL, 0)

◆ kfifo_avail

#define kfifo_avail ( fifo ) ((fifo)->size - (fifo)->in + (fifo)->out)

◆ kfifo_init

#define kfifo_init	(	f,
		buffer,
		sz
	)

Value:

    do {                                \
        (f)->buf = (unsigned char*)(buffer);            \
        (f)->size = (unsigned int)(sz);             \
        (f)->in = 0;                        \
        (f)->out = 0;                       \
    } while (0)

◆ kfifo_is_empty

#define kfifo_is_empty ( fifo ) ((fifo)->in == (fifo)->out)

◆ kfifo_len

#define kfifo_len ( fifo ) ((fifo)->in - (fifo)->out)

◆ kfifo_reset

#define kfifo_reset ( fifo ) do { (fifo)->in = 0; (fifo)->out = 0; } while (0)

Classes

Macros