rte_swx_table.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2020 Intel Corporation
 */
#ifndef __INCLUDE_RTE_SWX_TABLE_H__
#define __INCLUDE_RTE_SWX_TABLE_H__
 
#include <stdint.h>
 
#include <rte_os.h>
 
#include "rte_swx_hash_func.h"
 
enum rte_swx_table_match_type {
    RTE_SWX_TABLE_MATCH_WILDCARD,
 
    RTE_SWX_TABLE_MATCH_LPM,
 
    RTE_SWX_TABLE_MATCH_EXACT,
};
 
struct rte_swx_table_params {
    enum rte_swx_table_match_type match_type;
 
    uint32_t key_size;
 
    uint32_t key_offset;
 
    uint8_t *key_mask0;
 
    uint32_t action_data_size;
 
    rte_swx_hash_func_t hash_func;
 
    uint32_t n_keys_max;
};
 
struct rte_swx_table_entry {
    RTE_TAILQ_ENTRY(rte_swx_table_entry) node;
 
    uint8_t *key;
 
    uint8_t *key_mask;
 
    uint64_t key_signature;
 
    uint32_t key_priority;
 
    uint64_t action_id;
 
    uint8_t *action_data;
};
 
RTE_TAILQ_HEAD(rte_swx_table_entry_list, rte_swx_table_entry);
 
typedef uint64_t
(*rte_swx_table_footprint_get_t)(struct rte_swx_table_params *params,
                 struct rte_swx_table_entry_list *entries,
                 const char *args);
 
typedef uint64_t
(*rte_swx_table_mailbox_size_get_t)(void);
 
typedef void *
(*rte_swx_table_create_t)(struct rte_swx_table_params *params,
              struct rte_swx_table_entry_list *entries,
              const char *args,
              int numa_node);
 
typedef int
(*rte_swx_table_add_t)(void *table,
               struct rte_swx_table_entry *entry);
 
typedef int
(*rte_swx_table_delete_t)(void *table,
              struct rte_swx_table_entry *entry);
 
typedef int
(*rte_swx_table_lookup_t)(void *table,
              void *mailbox,
              uint8_t **key,
              uint64_t *action_id,
              uint8_t **action_data,
              size_t *entry_id,
              int *hit);
 
typedef void
(*rte_swx_table_free_t)(void *table);
 
struct rte_swx_table_ops {
    rte_swx_table_footprint_get_t footprint_get;
 
    rte_swx_table_mailbox_size_get_t mailbox_size_get;
 
    rte_swx_table_create_t create;
 
    rte_swx_table_add_t add;
 
    rte_swx_table_delete_t del;
 
    rte_swx_table_lookup_t lkp;
 
    rte_swx_table_free_t free;
};
 
#endif