root/include/net/netfilter/xt_rateest.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _XT_RATEEST_H
#define _XT_RATEEST_H

#include <net/gen_stats.h>

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


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

        /* keep this field far away to speedup xt_rateest_mt() */
        struct net_rate_estimator __rcu *rate_est;
};

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

#endif /* _XT_RATEEST_H */