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Pablo Neira Ayusoa992ca22011-01-19 16:00:07 +01001#ifndef _NF_CONNTRACK_TSTAMP_H
2#define _NF_CONNTRACK_TSTAMP_H
3
4#include <net/net_namespace.h>
5#include <linux/netfilter/nf_conntrack_common.h>
6#include <linux/netfilter/nf_conntrack_tuple_common.h>
7#include <net/netfilter/nf_conntrack.h>
8#include <net/netfilter/nf_conntrack_extend.h>
9
10struct nf_conn_tstamp {
11 u_int64_t start;
12 u_int64_t stop;
13};
14
15static inline
16struct nf_conn_tstamp *nf_conn_tstamp_find(const struct nf_conn *ct)
17{
18#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
19 return nf_ct_ext_find(ct, NF_CT_EXT_TSTAMP);
20#else
21 return NULL;
22#endif
23}
24
25static inline
26struct nf_conn_tstamp *nf_ct_tstamp_ext_add(struct nf_conn *ct, gfp_t gfp)
27{
28#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
29 struct net *net = nf_ct_net(ct);
30
31 if (!net->ct.sysctl_tstamp)
32 return NULL;
33
34 return nf_ct_ext_add(ct, NF_CT_EXT_TSTAMP, gfp);
35#else
36 return NULL;
37#endif
38};
39
40static inline bool nf_ct_tstamp_enabled(struct net *net)
41{
42 return net->ct.sysctl_tstamp != 0;
43}
44
45static inline void nf_ct_set_tstamp(struct net *net, bool enable)
46{
47 net->ct.sysctl_tstamp = enable;
48}
49
Patrick McHardy2f1e3172011-01-20 20:46:52 +010050#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
Pablo Neira Ayusoa992ca22011-01-19 16:00:07 +010051extern int nf_conntrack_tstamp_init(struct net *net);
52extern void nf_conntrack_tstamp_fini(struct net *net);
Patrick McHardy2f1e3172011-01-20 20:46:52 +010053#else
54static inline int nf_conntrack_tstamp_init(struct net *net)
55{
56 return 0;
57}
58
59static inline void nf_conntrack_tstamp_fini(struct net *net)
60{
61 return;
62}
63#endif /* CONFIG_NF_CONNTRACK_TIMESTAMP */
Pablo Neira Ayusoa992ca22011-01-19 16:00:07 +010064
65#endif /* _NF_CONNTRACK_TSTAMP_H */