nf_nat.h

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#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
#define NF_NAT_RANGE_PROTO_SPECIFIED    2
#define NF_NAT_RANGE_PROTO_RANDOM   4
#define NF_NAT_RANGE_PERSISTENT     8

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 */