This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / net / ipv4 / netfilter / nf_nat_proto_unknown.c

diff --git a/net/ipv4/netfilter/nf_nat_proto_unknown.c b/net/ipv4/netfilter/nf_nat_proto_unknown.c
new file mode 100644 (file)
index 0000000..f50d020
--- /dev/null
+++ b/net/ipv4/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_rule.h>
+#include <net/netfilter/nf_nat_protocol.h>
+
+static int 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 1;
+}
+
+static int unknown_unique_tuple(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 0;
+}
+
+static int
+unknown_manip_pkt(struct sk_buff **pskb,
+                 unsigned int iphdroff,
+                 const struct nf_conntrack_tuple *tuple,
+                 enum nf_nat_manip_type maniptype)
+{
+       return 1;
+}
+
+struct nf_nat_protocol nf_nat_unknown_protocol = {
+       .name                   = "unknown",
+       /* .me isn't set: getting a ref to this cannot fail. */
+       .manip_pkt              = unknown_manip_pkt,
+       .in_range               = unknown_in_range,
+       .unique_tuple           = unknown_unique_tuple,
+};