include/net/netfilter/xt_rateest.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _XT_RATEEST_H
   3 #define _XT_RATEEST_H
   4
   5 #include <net/gen_stats.h>
   6
   7 struct xt_rateest {
   8         /* keep lock and bstats on same cache line to speedup xt_rateest_tg() */
   9         struct gnet_stats_basic_packed  bstats;
  10         spinlock_t                      lock;
  11
  12
  13         /* following fields not accessed in hot path */
  14         unsigned int                    refcnt;
  15         struct hlist_node               list;
  16         char                            name[IFNAMSIZ];
  17         struct gnet_estimator           params;
  18         struct rcu_head                 rcu;
  19
  20         /* keep this field far away to speedup xt_rateest_mt() */
  21         struct net_rate_estimator __rcu *rate_est;
  22 };
  23
  24 struct xt_rateest *xt_rateest_lookup(const char *name);
  25 void xt_rateest_put(struct xt_rateest *est);
  26
  27 #endif /* _XT_RATEEST_H */