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#ifndef _IP_SET_COUNTER_H
#define _IP_SET_COUNTER_H
/* Copyright (C) 2015 Sergey Popovich <popovich_sergei@mail.ua>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifdef __KERNEL__
static inline void
ip_set_add_bytes(u64 bytes, struct ip_set_counter *counter)
{
atomic64_add((long long)bytes, &(counter)->bytes);
}
static inline void
ip_set_add_packets(u64 packets, struct ip_set_counter *counter)
{
atomic64_add((long long)packets, &(counter)->packets);
}
static inline u64
ip_set_get_bytes(const struct ip_set_counter *counter)
{
return (u64)atomic64_read(&(counter)->bytes);
}
static inline u64
ip_set_get_packets(const struct ip_set_counter *counter)
{
return (u64)atomic64_read(&(counter)->packets);
}
static inline void
ip_set_update_counter(struct ip_set_counter *counter,
const struct ip_set_ext *ext,
struct ip_set_ext *mext, u32 flags)
{
if (ext->packets != ULLONG_MAX &&
!(flags & IPSET_FLAG_SKIP_COUNTER_UPDATE)) {
ip_set_add_bytes(ext->bytes, counter);
ip_set_add_packets(ext->packets, counter);
}
if (flags & IPSET_FLAG_MATCH_COUNTERS) {
mext->packets = ip_set_get_packets(counter);
mext->bytes = ip_set_get_bytes(counter);
}
}
static inline bool
ip_set_put_counter(struct sk_buff *skb, const struct ip_set_counter *counter)
{
return nla_put_net64(skb, IPSET_ATTR_BYTES,
cpu_to_be64(ip_set_get_bytes(counter))) ||
nla_put_net64(skb, IPSET_ATTR_PACKETS,
cpu_to_be64(ip_set_get_packets(counter)));
}
static inline void
ip_set_init_counter(struct ip_set_counter *counter,
const struct ip_set_ext *ext)
{
if (ext->bytes != ULLONG_MAX)
atomic64_set(&(counter)->bytes, (long long)(ext->bytes));
if (ext->packets != ULLONG_MAX)
atomic64_set(&(counter)->packets, (long long)(ext->packets));
}
#endif /* __KERNEL__ */
#endif /* _IP_SET_COUNTER_H */
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