xt_rateest.h

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#ifndef _XT_RATEEST_H
#define _XT_RATEEST_H

struct xt_rateest {
    /* keep lock and bstats on same cache line to speedup xt_rateest_tg() */
    struct gnet_stats_basic_packed  bstats;
    spinlock_t          lock;
    /* keep rstats and lock on same cache line to speedup xt_rateest_mt() */
    struct gnet_stats_rate_est  rstats;

    /* following fields not accessed in hot path */
    struct hlist_node       list;
    char                name[IFNAMSIZ];
    unsigned int            refcnt;
    struct gnet_estimator       params;
    struct rcu_head         rcu;
};

extern struct xt_rateest *xt_rateest_lookup(const char *name);
extern void xt_rateest_put(struct xt_rateest *est);

#endif /* _XT_RATEEST_H */