rte_swx_table_selector.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2021 Intel Corporation
 */
#ifndef __INCLUDE_RTE_SWX_TABLE_SELECTOR_H__
#define __INCLUDE_RTE_SWX_TABLE_SELECTOR_H__

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>
#include <sys/queue.h>

#include <rte_compat.h>

#include "rte_swx_table.h"

struct rte_swx_table_selector_params {
    uint32_t group_id_offset;

    uint32_t selector_size;

    uint32_t selector_offset;

    uint8_t *selector_mask;

    uint32_t member_id_offset;

    uint32_t n_groups_max;

    uint32_t n_members_per_group_max;
};

struct rte_swx_table_selector_member {
    TAILQ_ENTRY(rte_swx_table_selector_member) node;

    uint32_t member_id;

    uint32_t member_weight;
};

TAILQ_HEAD(rte_swx_table_selector_member_list, rte_swx_table_selector_member);

struct rte_swx_table_selector_group {
    struct rte_swx_table_selector_member_list members;
};

__rte_experimental
uint64_t
rte_swx_table_selector_footprint_get(uint32_t n_groups_max, uint32_t n_members_per_group_max);

__rte_experimental
uint64_t
rte_swx_table_selector_mailbox_size_get(void);

__rte_experimental
void *
rte_swx_table_selector_create(struct rte_swx_table_selector_params *params,
                  struct rte_swx_table_selector_group **groups,
                  int numa_node);

__rte_experimental
int
rte_swx_table_selector_group_set(void *table,
                 uint32_t group_id,
                 struct rte_swx_table_selector_group *group);

__rte_experimental
int
rte_swx_table_selector_select(void *table,
                  void *mailbox,
                  uint8_t **group_id_buffer,
                  uint8_t **selector_buffer,
                  uint8_t **member_id_buffer);

__rte_experimental
void
rte_swx_table_selector_free(void *table);

#ifdef __cplusplus
}
#endif

#endif