Add the rt linux 4.1.3-rt3 as base

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

diff --git a/kernel/include/net/netfilter/nf_conntrack_zones.h b/kernel/include/net/netfilter/nf_conntrack_zones.h
new file mode 100644 (file)
index 0000000..034efe8
--- /dev/null
+++ b/kernel/include/net/netfilter/nf_conntrack_zones.h
@@ -0,0 +1,25 @@
+#ifndef _NF_CONNTRACK_ZONES_H
+#define _NF_CONNTRACK_ZONES_H
+
+#define NF_CT_DEFAULT_ZONE     0
+
+#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+#include <net/netfilter/nf_conntrack_extend.h>
+
+struct nf_conntrack_zone {
+       u16     id;
+};
+
+static inline u16 nf_ct_zone(const struct nf_conn *ct)
+{
+#ifdef CONFIG_NF_CONNTRACK_ZONES
+       struct nf_conntrack_zone *nf_ct_zone;
+       nf_ct_zone = nf_ct_ext_find(ct, NF_CT_EXT_ZONE);
+       if (nf_ct_zone)
+               return nf_ct_zone->id;
+#endif
+       return NF_CT_DEFAULT_ZONE;
+}
+
+#endif /* CONFIG_NF_CONNTRACK || CONFIG_NF_CONNTRACK_MODULE */
+#endif /* _NF_CONNTRACK_ZONES_H */