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