| /* 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, |
| }; |