jhash.h File Reference

#include <linux/bitops.h>
#include <linux/unaligned/packed_struct.h>

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Macros
#define	jhash_size(n)   ((u32)1<<(n))
#define	jhash_mask(n)   (jhash_size(n)-1)
#define	__jhash_mix(a, b, c)
#define	__jhash_final(a, b, c)
#define	JHASH_INITVAL   0xdeadbeef

Macro Definition Documentation

#define __jhash_final	(		a,
			b,
			c
	)

Value:

{                       \
    c ^= b; c -= rol32(b, 14);      \
    a ^= c; a -= rol32(c, 11);      \
	b ^= a; b -= rol32(a, 25);     \
    c ^= b; c -= rol32(b, 16);      \
    a ^= c; a -= rol32(c, 4);       \
	b ^= a; b -= rol32(a, 14);     \
    c ^= b; c -= rol32(b, 24);      \
}

#define __jhash_mix	(		a,
			b,
			c
	)

Value:

{                       \
    a -= c;  a ^= rol32(c, 4);  c += b; \
	b -= a;  b ^= rol32(a, 6);  a += c;    \
    c -= b;  c ^= rol32(b, 8);  b += a; \
    a -= c;  a ^= rol32(c, 16); c += b; \
	b -= a;  b ^= rol32(a, 19); a += c;    \
    c -= b;  c ^= rol32(b, 4);  b += a; \
}

#define JHASH_INITVAL   0xdeadbeef

#define jhash_mask

(

n

)

(jhash_size(n)-1)

#define jhash_size

(

n

)

((u32)1<<(n))