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#ifndef __ASM_GENERIC_HASH_H
#define __ASM_GENERIC_HASH_H
#include <linux/jhash.h>
/**
* arch_fast_hash - Caclulates a hash over a given buffer that can have
* arbitrary size. This function will eventually use an
* architecture-optimized hashing implementation if
* available, and trades off distribution for speed.
*
* @data: buffer to hash
* @len: length of buffer in bytes
* @seed: start seed
*
* Returns 32bit hash.
*/
static inline u32 arch_fast_hash(const void *data, u32 len, u32 seed)
{
return jhash(data, len, seed);
}
/**
* arch_fast_hash2 - Caclulates a hash over a given buffer that has a
* size that is of a multiple of 32bit words. This
* function will eventually use an architecture-
* optimized hashing implementation if available,
* and trades off distribution for speed.
*
* @data: buffer to hash (must be 32bit padded)
* @len: number of 32bit words
* @seed: start seed
*
* Returns 32bit hash.
*/
static inline u32 arch_fast_hash2(const u32 *data, u32 len, u32 seed)
{
return jhash2(data, len, seed);
}
#endif /* __ASM_GENERIC_HASH_H */
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