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#ifndef _LINUX_NF_NAT_H
#define _LINUX_NF_NAT_H
#include <linux/types.h>
#define IP_NAT_RANGE_MAP_IPS 1
#define IP_NAT_RANGE_PROTO_SPECIFIED 2
#define IP_NAT_RANGE_PROTO_RANDOM 4
#define IP_NAT_RANGE_PERSISTENT 8
/* The protocol-specific manipulable parts of the tuple. */
union nf_conntrack_man_proto {
/* Add other protocols here. */
__be16 all;
struct {
__be16 port;
} tcp;
struct {
__be16 port;
} udp;
struct {
__be16 id;
} icmp;
struct {
__be16 port;
} dccp;
struct {
__be16 port;
} sctp;
struct {
__be16 key; /* GRE key is 32bit, PPtP only uses 16bit */
} gre;
};
/* Single range specification. */
struct nf_nat_range {
/* Set to OR of flags above. */
unsigned int flags;
/* Inclusive: network order. */
__be32 min_ip, max_ip;
/* Inclusive: network order */
union nf_conntrack_man_proto min, max;
};
/* For backwards compat: don't use in modern code. */
struct nf_nat_multi_range_compat {
unsigned int rangesize; /* Must be 1. */
/* hangs off end. */
struct nf_nat_range range[1];
};
#define nf_nat_multi_range nf_nat_multi_range_compat
#endif
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