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a992ca2a PNA |
1 | #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 | ||
10 | struct nf_conn_tstamp { | |
11 | u_int64_t start; | |
12 | u_int64_t stop; | |
13 | }; | |
14 | ||
15 | static inline | |
16 | struct 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 | ||
25 | static inline | |
26 | struct 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 | ||
40 | static inline bool nf_ct_tstamp_enabled(struct net *net) | |
41 | { | |
42 | return net->ct.sysctl_tstamp != 0; | |
43 | } | |
44 | ||
45 | static inline void nf_ct_set_tstamp(struct net *net, bool enable) | |
46 | { | |
47 | net->ct.sysctl_tstamp = enable; | |
48 | } | |
49 | ||
2f1e3176 | 50 | #ifdef CONFIG_NF_CONNTRACK_TIMESTAMP |
4e77be46 JP |
51 | int nf_conntrack_tstamp_pernet_init(struct net *net); |
52 | void nf_conntrack_tstamp_pernet_fini(struct net *net); | |
73f4001a | 53 | |
4e77be46 JP |
54 | int nf_conntrack_tstamp_init(void); |
55 | void nf_conntrack_tstamp_fini(void); | |
2f1e3176 | 56 | #else |
73f4001a G |
57 | static inline int nf_conntrack_tstamp_pernet_init(struct net *net) |
58 | { | |
59 | return 0; | |
60 | } | |
61 | ||
62 | static inline void nf_conntrack_tstamp_pernet_fini(struct net *net) | |
63 | { | |
64 | return; | |
65 | } | |
66 | ||
67 | static inline int nf_conntrack_tstamp_init(void) | |
2f1e3176 PM |
68 | { |
69 | return 0; | |
70 | } | |
71 | ||
73f4001a | 72 | static inline void nf_conntrack_tstamp_fini(void) |
2f1e3176 PM |
73 | { |
74 | return; | |
75 | } | |
76 | #endif /* CONFIG_NF_CONNTRACK_TIMESTAMP */ | |
a992ca2a PNA |
77 | |
78 | #endif /* _NF_CONNTRACK_TSTAMP_H */ |