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| author | Harald Welte <laforge@netfilter.org> | 2005-10-10 21:21:10 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-10-10 21:21:10 -0700 |
| commit | a051a8f7306476af0a74370ad56e793cb6c43bf7 (patch) | |
| tree | 3dc8bc67e6c16a28a0161ed7f7fb55008da3d7d5 /include | |
| parent | d4875b049b2e6401a6e1fae90b7f09e20a636fcf (diff) | |
| download | linux-a051a8f7306476af0a74370ad56e793cb6c43bf7.tar.gz linux-a051a8f7306476af0a74370ad56e793cb6c43bf7.tar.bz2 linux-a051a8f7306476af0a74370ad56e793cb6c43bf7.zip | |
[NETFILTER]: Use only 32bit counters for CONNTRACK_ACCT
Initially we used 64bit counters for conntrack-based accounting, since we
had no event mechanism to tell userspace that our counters are about to
overflow. With nfnetlink_conntrack, we now have such a event mechanism and
thus can save 16bytes per connection.
Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netfilter/nfnetlink_conntrack.h | 6 | ||||
| -rw-r--r-- | include/linux/netfilter_ipv4/ip_conntrack.h | 8 |
2 files changed, 10 insertions, 4 deletions
diff --git a/include/linux/netfilter/nfnetlink_conntrack.h b/include/linux/netfilter/nfnetlink_conntrack.h index fb5511030185..116fcaced909 100644 --- a/include/linux/netfilter/nfnetlink_conntrack.h +++ b/include/linux/netfilter/nfnetlink_conntrack.h @@ -84,8 +84,10 @@ enum ctattr_protoinfo_tcp { enum ctattr_counters { CTA_COUNTERS_UNSPEC, - CTA_COUNTERS_PACKETS, - CTA_COUNTERS_BYTES, + CTA_COUNTERS_PACKETS, /* old 64bit counters */ + CTA_COUNTERS_BYTES, /* old 64bit counters */ + CTA_COUNTERS32_PACKETS, + CTA_COUNTERS32_BYTES, __CTA_COUNTERS_MAX }; #define CTA_COUNTERS_MAX (__CTA_COUNTERS_MAX - 1) diff --git a/include/linux/netfilter_ipv4/ip_conntrack.h b/include/linux/netfilter_ipv4/ip_conntrack.h index 4ced38736813..d078bb91d9e5 100644 --- a/include/linux/netfilter_ipv4/ip_conntrack.h +++ b/include/linux/netfilter_ipv4/ip_conntrack.h @@ -117,6 +117,10 @@ enum ip_conntrack_events /* NAT info */ IPCT_NATINFO_BIT = 10, IPCT_NATINFO = (1 << IPCT_NATINFO_BIT), + + /* Counter highest bit has been set */ + IPCT_COUNTER_FILLING_BIT = 11, + IPCT_COUNTER_FILLING = (1 << IPCT_COUNTER_FILLING_BIT), }; enum ip_conntrack_expect_events { @@ -192,8 +196,8 @@ do { \ struct ip_conntrack_counter { - u_int64_t packets; - u_int64_t bytes; + u_int32_t packets; + u_int32_t bytes; }; struct ip_conntrack_helper; |