rte_table_hash.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2010-2017 Intel Corporation
 */

#ifndef __INCLUDE_RTE_TABLE_HASH_H__
#define __INCLUDE_RTE_TABLE_HASH_H__

#include <stdint.h>

#include "rte_table.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef uint64_t (*rte_table_hash_op_hash)(
    void *key,
    void *key_mask,
    uint32_t key_size,
    uint64_t seed);

struct rte_table_hash_params {
    const char *name;

    uint32_t key_size;

    uint32_t key_offset;

    uint8_t *key_mask;

    uint32_t n_keys;

    uint32_t n_buckets;

    rte_table_hash_op_hash f_hash;

    uint64_t seed;
};

extern struct rte_table_ops rte_table_hash_ext_ops;
extern struct rte_table_ops rte_table_hash_key8_ext_ops;
extern struct rte_table_ops rte_table_hash_key16_ext_ops;
extern struct rte_table_ops rte_table_hash_key32_ext_ops;

extern struct rte_table_ops rte_table_hash_lru_ops;

extern struct rte_table_ops rte_table_hash_key8_lru_ops;
extern struct rte_table_ops rte_table_hash_key16_lru_ops;
extern struct rte_table_ops rte_table_hash_key32_lru_ops;

#ifdef __cplusplus
}
#endif

#endif