Release 4.9 include/net/netfilter/nf_conntrack_timestamp.h

#ifndef _NF_CONNTRACK_TSTAMP_H

#define _NF_CONNTRACK_TSTAMP_H

#include <net/net_namespace.h>
#include <linux/netfilter/nf_conntrack_common.h>
#include <linux/netfilter/nf_conntrack_tuple_common.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_extend.h>


struct nf_conn_tstamp {
	
u_int64_t start;
	
u_int64_t stop;
};


static inline

struct nf_conn_tstamp *nf_conn_tstamp_find(const struct nf_conn *ct)
{
#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
	return nf_ct_ext_find(ct, NF_CT_EXT_TSTAMP);
#else
	return NULL;
#endif
}

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static inline

struct nf_conn_tstamp *nf_ct_tstamp_ext_add(struct nf_conn *ct, gfp_t gfp)
{
#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
	struct net *net = nf_ct_net(ct);

	if (!net->ct.sysctl_tstamp)
		return NULL;

	return nf_ct_ext_add(ct, NF_CT_EXT_TSTAMP, gfp);
#else
	return NULL;
#endif
}
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;



static inline bool nf_ct_tstamp_enabled(struct net *net)
{
	return net->ct.sysctl_tstamp != 0;
}

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static inline void nf_ct_set_tstamp(struct net *net, bool enable)
{
	net->ct.sysctl_tstamp = enable;
}

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#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
int nf_conntrack_tstamp_pernet_init(struct net *net);
void nf_conntrack_tstamp_pernet_fini(struct net *net);

int nf_conntrack_tstamp_init(void);
void nf_conntrack_tstamp_fini(void);
#else


static inline int nf_conntrack_tstamp_pernet_init(struct net *net)
{
	return 0;
}

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static inline void nf_conntrack_tstamp_pernet_fini(struct net *net)
{
	return;
}

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static inline int nf_conntrack_tstamp_init(void)
{
	return 0;
}

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static inline void nf_conntrack_tstamp_fini(void)
{
	return;
}
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#endif /* CONFIG_NF_CONNTRACK_TIMESTAMP */

#endif /* _NF_CONNTRACK_TSTAMP_H */
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Directory: include/net/netfilter