LXR dpdk/lib/table/rte_table_hash

   1/* SPDX-License-Identifier: BSD-3-Clause
   2 * Copyright(c) 2018 Intel Corporation
   3 */
   4
   5#ifndef __INCLUDE_RTE_TABLE_HASH_CUCKOO_H__
   6#define __INCLUDE_RTE_TABLE_HASH_CUCKOO_H__
   7
   8#ifdef __cplusplus
   9extern "C" {
  10#endif
  11
  12/**
  13 * @file
  14 * RTE Table Hash Cuckoo
  15 *
  16 ***/
  17#include <stdint.h>
  18
  19#include <rte_hash.h>
  20
  21#include "rte_table.h"
  22
  23/** Hash table parameters */
  24struct rte_table_hash_cuckoo_params {
  25        /** Name */
  26        const char *name;
  27
  28        /** Key size (number of bytes) */
  29        uint32_t key_size;
  30
  31        /** Byte offset within packet meta-data where the key is located */
  32        uint32_t key_offset;
  33
  34        /** Key mask */
  35        uint8_t *key_mask;
  36
  37        /** Number of keys */
  38        uint32_t n_keys;
  39
  40        /** Number of buckets */
  41        uint32_t n_buckets;
  42
  43        /** Hash function */
  44        rte_hash_function f_hash;
  45
  46        /** Seed value for the hash function */
  47        uint32_t seed;
  48};
  49
  50/** Cuckoo hash table operations */
  51extern struct rte_table_ops rte_table_hash_cuckoo_ops;
  52
  53#ifdef __cplusplus
  54}
  55#endif
  56
  57#endif
  58