rte_keepalive.h

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#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_ */