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(struct net *net, const char *name); 25 void xt_rateest_put(struct net *net, struct xt_rateest *est); 26 27 #endif /* _XT_RATEEST_H */ 28