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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
---|---|
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 | |
41 | #ifdef CONFIG_NF_CONNTRACK_TIMESTAMP |
42 | void nf_conntrack_tstamp_pernet_init(struct net *net); |
43 | #else |
44 | static inline void nf_conntrack_tstamp_pernet_init(struct net *net) {} |
45 | #endif /* CONFIG_NF_CONNTRACK_TIMESTAMP */ |
46 | |
47 | #endif /* _NF_CONNTRACK_TSTAMP_H */ |
48 |
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