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net/netfilter/nf_nat_proto_unknown.c
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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> |
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#include <net/netfilter/nf_nat_l4proto.h> |
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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) |
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{ |
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return true; |
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} |
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static void unknown_unique_tuple(const struct nf_nat_l3proto *l3proto, struct nf_conntrack_tuple *tuple, const struct nf_nat_range *range, |
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enum nf_nat_manip_type maniptype, const struct nf_conn *ct) |
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{ /* Sorry: we can't help you; if it's not unique, we can't frob |
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* anything. */ |
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return; |
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} |
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static bool |
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unknown_manip_pkt(struct sk_buff *skb, |
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const struct nf_nat_l3proto *l3proto, unsigned int iphdroff, unsigned int hdroff, |
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const struct nf_conntrack_tuple *tuple, enum nf_nat_manip_type maniptype) { |
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return true; |
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} |
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const struct nf_nat_l4proto nf_nat_l4proto_unknown = { |
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.manip_pkt = unknown_manip_pkt, .in_range = unknown_in_range, .unique_tuple = unknown_unique_tuple, }; |