Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / net / netfilter / nf_conntrack_timestamp.h

diff --git a/kernel/include/net/netfilter/nf_conntrack_timestamp.h b/kernel/include/net/netfilter/nf_conntrack_timestamp.h
new file mode 100644 (file)
index 0000000..300ae22
--- /dev/null
+++ b/kernel/include/net/netfilter/nf_conntrack_timestamp.h
@@ -0,0 +1,78 @@
+#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
+}
+
+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
+};
+
+static inline bool nf_ct_tstamp_enabled(struct net *net)
+{
+       return net->ct.sysctl_tstamp != 0;
+}
+
+static inline void nf_ct_set_tstamp(struct net *net, bool enable)
+{
+       net->ct.sysctl_tstamp = enable;
+}
+
+#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;
+}
+
+static inline void nf_conntrack_tstamp_pernet_fini(struct net *net)
+{
+       return;
+}
+
+static inline int nf_conntrack_tstamp_init(void)
+{
+       return 0;
+}
+
+static inline void nf_conntrack_tstamp_fini(void)
+{
+       return;
+}
+#endif /* CONFIG_NF_CONNTRACK_TIMESTAMP */
+
+#endif /* _NF_CONNTRACK_TSTAMP_H */