Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / net / netfilter / nf_nat_proto_unknown.c

diff --git a/kernel/net/netfilter/nf_nat_proto_unknown.c b/kernel/net/netfilter/nf_nat_proto_unknown.c
new file mode 100644 (file)
index 0000000..6e494d5
--- /dev/null
+++ b/kernel/net/netfilter/nf_nat_proto_unknown.c
@@ -0,0 +1,54 @@
+/* The "unknown" protocol.  This is what is used for protocols we
+ * don't understand.  It's returned by ip_ct_find_proto().
+ */
+
+/* (C) 1999-2001 Paul `Rusty' Russell
+ * (C) 2002-2006 Netfilter Core Team <coreteam@netfilter.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+
+#include <linux/netfilter.h>
+#include <net/netfilter/nf_nat.h>
+#include <net/netfilter/nf_nat_l4proto.h>
+
+static bool unknown_in_range(const struct nf_conntrack_tuple *tuple,
+                            enum nf_nat_manip_type manip_type,
+                            const union nf_conntrack_man_proto *min,
+                            const union nf_conntrack_man_proto *max)
+{
+       return true;
+}
+
+static void unknown_unique_tuple(const struct nf_nat_l3proto *l3proto,
+                                struct nf_conntrack_tuple *tuple,
+                                const struct nf_nat_range *range,
+                                enum nf_nat_manip_type maniptype,
+                                const struct nf_conn *ct)
+{
+       /* Sorry: we can't help you; if it's not unique, we can't frob
+        * anything.
+        */
+       return;
+}
+
+static bool
+unknown_manip_pkt(struct sk_buff *skb,
+                 const struct nf_nat_l3proto *l3proto,
+                 unsigned int iphdroff, unsigned int hdroff,
+                 const struct nf_conntrack_tuple *tuple,
+                 enum nf_nat_manip_type maniptype)
+{
+       return true;
+}
+
+const struct nf_nat_l4proto nf_nat_l4proto_unknown = {
+       .manip_pkt              = unknown_manip_pkt,
+       .in_range               = unknown_in_range,
+       .unique_tuple           = unknown_unique_tuple,
+};