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#ifndef _IP_SET_COUNTER_H
#define _IP_SET_COUNTER_H
/* Copyright (C) 2015 Jozsef Kadlecsik <kadlec@netfilter.org>
*
* 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 bool
ip_set_match_counter(u64 counter, u64 match, u8 op)
{
switch (op) {
case IPSET_COUNTER_NONE:
return true;
case IPSET_COUNTER_EQ:
return counter == match;
case IPSET_COUNTER_NE:
return counter != match;
case IPSET_COUNTER_LT:
return counter < match;
case IPSET_COUNTER_GT:
return counter > match;
}
return false;
}
static inline void
ip_set_update_counter(struct ip_set_counter *counter,
const struct ip_set_ext *ext, 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);
}
}
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)),
IPSET_ATTR_PAD) ||
nla_put_net64(skb, IPSET_ATTR_PACKETS,
cpu_to_be64(ip_set_get_packets(counter)),
IPSET_ATTR_PAD);
}
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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