ceph/src/spdk/dpdk/lib/librte_table/rte_table_array.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #ifndef __INCLUDE_RTE_TABLE_ARRAY_H__
   6 #define __INCLUDE_RTE_TABLE_ARRAY_H__
   7
   8 #ifdef __cplusplus
   9 extern "C" {
  10 #endif
  11
  12 /**
  13  * @file
  14  * RTE Table Array
  15  *
  16  * Simple array indexing. Lookup key is the array entry index.
  17  *
  18  ***/
  19
  20 #include <stdint.h>
  21
  22 #include "rte_table.h"
  23
  24 /** Array table parameters */
  25 struct rte_table_array_params {
  26         /** Number of array entries. Has to be a power of two. */
  27         uint32_t n_entries;
  28
  29         /** Byte offset within input packet meta-data where lookup key (i.e. the
  30             array entry index) is located. */
  31         uint32_t offset;
  32 };
  33
  34 /** Array table key format */
  35 struct rte_table_array_key {
  36         /** Array entry index */
  37         uint32_t pos;
  38 };
  39
  40 /** Array table operations */
  41 extern struct rte_table_ops rte_table_array_ops;
  42
  43 #ifdef __cplusplus
  44 }
  45 #endif
  46
  47 #endif