1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _NETFILTER_NF_NAT_H 3 #define _NETFILTER_NF_NAT_H 4 5 #include <linux/netfilter.h> 6 #include <linux/netfilter/nf_conntrack_tuple_common.h> 7 8 #define NF_NAT_RANGE_MAP_IPS (1 << 0) 9 #define NF_NAT_RANGE_PROTO_SPECIFIED (1 << 1) 10 #define NF_NAT_RANGE_PROTO_RANDOM (1 << 2) 11 #define NF_NAT_RANGE_PERSISTENT (1 << 3) 12 #define NF_NAT_RANGE_PROTO_RANDOM_FULLY (1 << 4) 13 #define NF_NAT_RANGE_PROTO_OFFSET (1 << 5) 14 #define NF_NAT_RANGE_NETMAP (1 << 6) 15 16 #define NF_NAT_RANGE_PROTO_RANDOM_ALL \ 17 (NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PROTO_RANDOM_FULLY) 18 19 #define NF_NAT_RANGE_MASK \ 20 (NF_NAT_RANGE_MAP_IPS | NF_NAT_RANGE_PROTO_SPECIFIED | \ 21 NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PERSISTENT | \ 22 NF_NAT_RANGE_PROTO_RANDOM_FULLY | NF_NAT_RANGE_PROTO_OFFSET | \ 23 NF_NAT_RANGE_NETMAP) 24 25 struct nf_nat_ipv4_range { 26 unsigned int flags; 27 __be32 min_ip; 28 __be32 max_ip; 29 union nf_conntrack_man_proto min; 30 union nf_conntrack_man_proto max; 31 }; 32 33 struct nf_nat_ipv4_multi_range_compat { 34 unsigned int rangesize; 35 struct nf_nat_ipv4_range range[1]; 36 }; 37 38 struct nf_nat_range { 39 unsigned int flags; 40 union nf_inet_addr min_addr; 41 union nf_inet_addr max_addr; 42 union nf_conntrack_man_proto min_proto; 43 union nf_conntrack_man_proto max_proto; 44 }; 45 46 struct nf_nat_range2 { 47 unsigned int flags; 48 union nf_inet_addr min_addr; 49 union nf_inet_addr max_addr; 50 union nf_conntrack_man_proto min_proto; 51 union nf_conntrack_man_proto max_proto; 52 union nf_conntrack_man_proto base_proto; 53 }; 54 55 #endif /* _NETFILTER_NF_NAT_H */ 56