/* 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,
|
};
|
