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![Gao feng](/assets/img/avatar_default.png)
Move the global initial codes to the module_init/exit context. Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
#ifndef _NF_CONNTRACK_TSTAMP_H
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#define _NF_CONNTRACK_TSTAMP_H
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#include <net/net_namespace.h>
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#include <linux/netfilter/nf_conntrack_common.h>
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#include <linux/netfilter/nf_conntrack_tuple_common.h>
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#include <net/netfilter/nf_conntrack.h>
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#include <net/netfilter/nf_conntrack_extend.h>
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struct nf_conn_tstamp {
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u_int64_t start;
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u_int64_t stop;
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};
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static inline
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struct nf_conn_tstamp *nf_conn_tstamp_find(const struct nf_conn *ct)
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{
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#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
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return nf_ct_ext_find(ct, NF_CT_EXT_TSTAMP);
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#else
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return NULL;
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#endif
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}
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static inline
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struct nf_conn_tstamp *nf_ct_tstamp_ext_add(struct nf_conn *ct, gfp_t gfp)
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{
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#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
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struct net *net = nf_ct_net(ct);
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if (!net->ct.sysctl_tstamp)
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return NULL;
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return nf_ct_ext_add(ct, NF_CT_EXT_TSTAMP, gfp);
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#else
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return NULL;
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#endif
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};
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static inline bool nf_ct_tstamp_enabled(struct net *net)
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{
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return net->ct.sysctl_tstamp != 0;
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}
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static inline void nf_ct_set_tstamp(struct net *net, bool enable)
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{
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net->ct.sysctl_tstamp = enable;
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}
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#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
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extern int nf_conntrack_tstamp_pernet_init(struct net *net);
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extern void nf_conntrack_tstamp_pernet_fini(struct net *net);
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extern int nf_conntrack_tstamp_init(void);
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extern void nf_conntrack_tstamp_fini(void);
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#else
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static inline int nf_conntrack_tstamp_pernet_init(struct net *net)
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{
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return 0;
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}
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static inline void nf_conntrack_tstamp_pernet_fini(struct net *net)
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{
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return;
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}
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static inline int nf_conntrack_tstamp_init(void)
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{
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return 0;
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}
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static inline void nf_conntrack_tstamp_fini(void)
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{
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return;
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}
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#endif /* CONFIG_NF_CONNTRACK_TIMESTAMP */
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#endif /* _NF_CONNTRACK_TSTAMP_H */
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