rte_keepalive.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright 2015-2016 Intel Corporation.
 */

#ifndef _KEEPALIVE_H_
#define _KEEPALIVE_H_

#include <rte_config.h>
#include <rte_memory.h>

#ifndef RTE_KEEPALIVE_MAXCORES

#define RTE_KEEPALIVE_MAXCORES RTE_MAX_LCORE
#endif

enum rte_keepalive_state {
    RTE_KA_STATE_UNUSED = 0,
    RTE_KA_STATE_ALIVE = 1,
    RTE_KA_STATE_MISSING = 4,
    RTE_KA_STATE_DEAD = 2,
    RTE_KA_STATE_GONE = 3,
    RTE_KA_STATE_DOZING = 5,
    RTE_KA_STATE_SLEEP = 6
};

typedef void (*rte_keepalive_failure_callback_t)(
    void *data,
    const int id_core);

typedef void (*rte_keepalive_relay_callback_t)(
    void *data,
    const int id_core,
    enum rte_keepalive_state core_state,
    uint64_t last_seen
    );

struct rte_keepalive;

struct rte_keepalive *rte_keepalive_create(
    rte_keepalive_failure_callback_t callback,
    void *data);

void rte_keepalive_dispatch_pings(void *ptr_timer, void *ptr_data);

void rte_keepalive_register_core(struct rte_keepalive *keepcfg,
    const int id_core);

void
rte_keepalive_mark_alive(struct rte_keepalive *keepcfg);

void
rte_keepalive_mark_sleep(struct rte_keepalive *keepcfg);

void
rte_keepalive_register_relay_callback(struct rte_keepalive *keepcfg,
    rte_keepalive_relay_callback_t callback,
    void *data);

#endif /* _KEEPALIVE_H_ */