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author | David S. Miller <davem@davemloft.net> | 2011-01-20 00:06:15 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2011-01-20 00:06:15 -0800 |
commit | a07aa004c8d814a975b1a68afdb7baaa8f1b91d5 (patch) | |
tree | 652edc2dce9732a64780b9e332034b6567631a8b /include/net/netfilter/nf_conntrack_timestamp.h | |
parent | net_sched: cleanups (diff) | |
parent | netfilter: xtables: remove extraneous header that slipped in (diff) | |
download | linux-dev-a07aa004c8d814a975b1a68afdb7baaa8f1b91d5.tar.xz linux-dev-a07aa004c8d814a975b1a68afdb7baaa8f1b91d5.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
Diffstat (limited to 'include/net/netfilter/nf_conntrack_timestamp.h')
-rw-r--r-- | include/net/netfilter/nf_conntrack_timestamp.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_conntrack_timestamp.h b/include/net/netfilter/nf_conntrack_timestamp.h new file mode 100644 index 000000000000..f17dcb664e29 --- /dev/null +++ b/include/net/netfilter/nf_conntrack_timestamp.h @@ -0,0 +1,53 @@ +#ifndef _NF_CONNTRACK_TSTAMP_H +#define _NF_CONNTRACK_TSTAMP_H + +#include <net/net_namespace.h> +#include <linux/netfilter/nf_conntrack_common.h> +#include <linux/netfilter/nf_conntrack_tuple_common.h> +#include <net/netfilter/nf_conntrack.h> +#include <net/netfilter/nf_conntrack_extend.h> + +struct nf_conn_tstamp { + u_int64_t start; + u_int64_t stop; +}; + +static inline +struct nf_conn_tstamp *nf_conn_tstamp_find(const struct nf_conn *ct) +{ +#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP + return nf_ct_ext_find(ct, NF_CT_EXT_TSTAMP); +#else + return NULL; +#endif +} + +static inline +struct nf_conn_tstamp *nf_ct_tstamp_ext_add(struct nf_conn *ct, gfp_t gfp) +{ +#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP + struct net *net = nf_ct_net(ct); + + if (!net->ct.sysctl_tstamp) + return NULL; + + return nf_ct_ext_add(ct, NF_CT_EXT_TSTAMP, gfp); +#else + return NULL; +#endif +}; + +static inline bool nf_ct_tstamp_enabled(struct net *net) +{ + return net->ct.sysctl_tstamp != 0; +} + +static inline void nf_ct_set_tstamp(struct net *net, bool enable) +{ + net->ct.sysctl_tstamp = enable; +} + +extern int nf_conntrack_tstamp_init(struct net *net); +extern void nf_conntrack_tstamp_fini(struct net *net); + +#endif /* _NF_CONNTRACK_TSTAMP_H */ |