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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
a992ca2a PNA |
2 | #ifndef _NF_CONNTRACK_TSTAMP_H |
3 | #define _NF_CONNTRACK_TSTAMP_H | |
4 | ||
5 | #include <net/net_namespace.h> | |
6 | #include <linux/netfilter/nf_conntrack_common.h> | |
7 | #include <linux/netfilter/nf_conntrack_tuple_common.h> | |
8 | #include <net/netfilter/nf_conntrack.h> | |
9 | #include <net/netfilter/nf_conntrack_extend.h> | |
10 | ||
11 | struct nf_conn_tstamp { | |
12 | u_int64_t start; | |
13 | u_int64_t stop; | |
14 | }; | |
15 | ||
16 | static inline | |
17 | struct nf_conn_tstamp *nf_conn_tstamp_find(const struct nf_conn *ct) | |
18 | { | |
19 | #ifdef CONFIG_NF_CONNTRACK_TIMESTAMP | |
20 | return nf_ct_ext_find(ct, NF_CT_EXT_TSTAMP); | |
21 | #else | |
22 | return NULL; | |
23 | #endif | |
24 | } | |
25 | ||
26 | static inline | |
27 | struct nf_conn_tstamp *nf_ct_tstamp_ext_add(struct nf_conn *ct, gfp_t gfp) | |
28 | { | |
29 | #ifdef CONFIG_NF_CONNTRACK_TIMESTAMP | |
30 | struct net *net = nf_ct_net(ct); | |
31 | ||
32 | if (!net->ct.sysctl_tstamp) | |
33 | return NULL; | |
34 | ||
35 | return nf_ct_ext_add(ct, NF_CT_EXT_TSTAMP, gfp); | |
36 | #else | |
37 | return NULL; | |
38 | #endif | |
39 | }; | |
40 | ||
2f1e3176 | 41 | #ifdef CONFIG_NF_CONNTRACK_TIMESTAMP |
fc3893fd | 42 | void nf_conntrack_tstamp_pernet_init(struct net *net); |
73f4001a | 43 | |
4e77be46 JP |
44 | int nf_conntrack_tstamp_init(void); |
45 | void nf_conntrack_tstamp_fini(void); | |
2f1e3176 | 46 | #else |
fc3893fd | 47 | static inline void nf_conntrack_tstamp_pernet_init(struct net *net) {} |
73f4001a G |
48 | |
49 | static inline int nf_conntrack_tstamp_init(void) | |
2f1e3176 PM |
50 | { |
51 | return 0; | |
52 | } | |
53 | ||
73f4001a | 54 | static inline void nf_conntrack_tstamp_fini(void) |
2f1e3176 PM |
55 | { |
56 | return; | |
57 | } | |
58 | #endif /* CONFIG_NF_CONNTRACK_TIMESTAMP */ | |
a992ca2a PNA |
59 | |
60 | #endif /* _NF_CONNTRACK_TSTAMP_H */ |