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
11struct nf_conn_tstamp {
12 u_int64_t start;
13 u_int64_t stop;
14};
15
16static inline
17struct 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
26static inline
27struct 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
42void nf_conntrack_tstamp_pernet_init(struct net *net);
43#else
44static inline void nf_conntrack_tstamp_pernet_init(struct net *net) {}
45#endif /* CONFIG_NF_CONNTRACK_TIMESTAMP */
46
47#endif /* _NF_CONNTRACK_TSTAMP_H */
48