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/* 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 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 bool 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 false;
}
static bool
unknown_manip_pkt(struct sk_buff *skb,
unsigned int iphdroff,
const struct nf_conntrack_tuple *tuple,
enum nf_nat_manip_type maniptype)
{
return true;
}
const struct nf_nat_protocol nf_nat_unknown_protocol = {
/* .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,
};
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