root/include/uapi/linux/netfilter/nf_nat.h

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INCLUDED FROM

#ifndef _NETFILTER_NF_NAT_H
#define _NETFILTER_NF_NAT_H

#include <linux/netfilter.h>
#include <linux/netfilter/nf_conntrack_tuple_common.h>

#define NF_NAT_RANGE_MAP_IPS                    (1 << 0)
#define NF_NAT_RANGE_PROTO_SPECIFIED            (1 << 1)
#define NF_NAT_RANGE_PROTO_RANDOM               (1 << 2)
#define NF_NAT_RANGE_PERSISTENT                 (1 << 3)
#define NF_NAT_RANGE_PROTO_RANDOM_FULLY         (1 << 4)

#define NF_NAT_RANGE_PROTO_RANDOM_ALL           \
        (NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PROTO_RANDOM_FULLY)

#define NF_NAT_RANGE_MASK                                       \
        (NF_NAT_RANGE_MAP_IPS | NF_NAT_RANGE_PROTO_SPECIFIED |  \
         NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PERSISTENT |  \
         NF_NAT_RANGE_PROTO_RANDOM_FULLY)

struct nf_nat_ipv4_range {
        unsigned int                    flags;
        __be32                          min_ip;
        __be32                          max_ip;
        union nf_conntrack_man_proto    min;
        union nf_conntrack_man_proto    max;
};

struct nf_nat_ipv4_multi_range_compat {
        unsigned int                    rangesize;
        struct nf_nat_ipv4_range        range[1];
};

struct nf_nat_range {
        unsigned int                    flags;
        union nf_inet_addr              min_addr;
        union nf_inet_addr              max_addr;
        union nf_conntrack_man_proto    min_proto;
        union nf_conntrack_man_proto    max_proto;
};

#endif /* _NETFILTER_NF_NAT_H */
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