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
 7struct xt_rateest {
 8	/* keep lock and bstats on same cache line to speedup xt_rateest_tg() */
 9	struct gnet_stats_basic_sync	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
24struct xt_rateest *xt_rateest_lookup(struct net *net, const char *name);
25void xt_rateest_put(struct net *net, struct xt_rateest *est);
26
27#endif /* _XT_RATEEST_H */