1 #ifndef _NETFILTER_NF_NAT_H
2 #define _NETFILTER_NF_NAT_H
3 
4 #include <linux/netfilter.h>
5 #include <linux/netfilter/nf_conntrack_tuple_common.h>
6 
7 #define NF_NAT_RANGE_MAP_IPS			(1 << 0)
8 #define NF_NAT_RANGE_PROTO_SPECIFIED		(1 << 1)
9 #define NF_NAT_RANGE_PROTO_RANDOM		(1 << 2)
10 #define NF_NAT_RANGE_PERSISTENT			(1 << 3)
11 #define NF_NAT_RANGE_PROTO_RANDOM_FULLY		(1 << 4)
12 
13 #define NF_NAT_RANGE_PROTO_RANDOM_ALL		\
14 	(NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PROTO_RANDOM_FULLY)
15 
16 #define NF_NAT_RANGE_MASK					\
17 	(NF_NAT_RANGE_MAP_IPS | NF_NAT_RANGE_PROTO_SPECIFIED |	\
18 	 NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PERSISTENT |	\
19 	 NF_NAT_RANGE_PROTO_RANDOM_FULLY)
20 
21 struct nf_nat_ipv4_range {
22 	unsigned int			flags;
23 	__be32				min_ip;
24 	__be32				max_ip;
25 	union nf_conntrack_man_proto	min;
26 	union nf_conntrack_man_proto	max;
27 };
28 
29 struct nf_nat_ipv4_multi_range_compat {
30 	unsigned int			rangesize;
31 	struct nf_nat_ipv4_range	range[1];
32 };
33 
34 struct nf_nat_range {
35 	unsigned int			flags;
36 	union nf_inet_addr		min_addr;
37 	union nf_inet_addr		max_addr;
38 	union nf_conntrack_man_proto	min_proto;
39 	union nf_conntrack_man_proto	max_proto;
40 };
41 
42 #endif /* _NETFILTER_NF_NAT_H */
43