diff options
Diffstat (limited to 'include/net/netfilter/xt_rateest.h')
| -rw-r--r-- | include/net/netfilter/xt_rateest.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/net/netfilter/xt_rateest.h b/include/net/netfilter/xt_rateest.h new file mode 100644 index 000000000..4c3809e14 --- /dev/null +++ b/include/net/netfilter/xt_rateest.h @@ -0,0 +1,27 @@ +/* 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 */ |