DPDK  17.11.10
rte_table_hash.h
Go to the documentation of this file.
1 /*-
2  * BSD LICENSE
3  *
4  * Copyright(c) 2010-2017 Intel Corporation. All rights reserved.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * * Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  * * Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in
15  * the documentation and/or other materials provided with the
16  * distribution.
17  * * Neither the name of Intel Corporation nor the names of its
18  * contributors may be used to endorse or promote products derived
19  * from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #ifndef __INCLUDE_RTE_TABLE_HASH_H__
35 #define __INCLUDE_RTE_TABLE_HASH_H__
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
80 #include <stdint.h>
81 
82 #include "rte_table.h"
83 
85 typedef uint64_t (*rte_table_hash_op_hash)(
86  void *key,
87  void *key_mask,
88  uint32_t key_size,
89  uint64_t seed);
90 
94  const char *name;
95 
97  uint32_t key_size;
98 
100  uint32_t key_offset;
101 
103  uint8_t *key_mask;
104 
106  uint32_t n_keys;
107 
109  uint32_t n_buckets;
110 
113 
115  uint64_t seed;
116 };
117 
120 extern struct rte_table_ops rte_table_hash_key8_ext_ops;
121 extern struct rte_table_ops rte_table_hash_key16_ext_ops;
122 extern struct rte_table_ops rte_table_hash_key32_ext_ops;
123 
126 
127 extern struct rte_table_ops rte_table_hash_key8_lru_ops;
128 extern struct rte_table_ops rte_table_hash_key16_lru_ops;
129 extern struct rte_table_ops rte_table_hash_key32_lru_ops;
130 
133 
134 #ifdef __cplusplus
135 }
136 #endif
137 
138 #endif
struct rte_table_ops rte_table_hash_cuckoo_ops
struct rte_table_ops rte_table_hash_lru_ops
struct rte_table_ops rte_table_hash_ext_ops
rte_table_hash_op_hash f_hash
uint64_t(* rte_table_hash_op_hash)(void *key, void *key_mask, uint32_t key_size, uint64_t seed)