include/uapi/linux/netfilter/nf_nat.h

   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
  14 #define NF_NAT_RANGE_PROTO_RANDOM_ALL           \
  15         (NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PROTO_RANDOM_FULLY)
  16
  17 #define NF_NAT_RANGE_MASK                                       \
  18         (NF_NAT_RANGE_MAP_IPS | NF_NAT_RANGE_PROTO_SPECIFIED |  \
  19          NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PERSISTENT |  \
  20          NF_NAT_RANGE_PROTO_RANDOM_FULLY)
  21
  22 struct nf_nat_ipv4_range {
  23         unsigned int                    flags;
  24         __be32                          min_ip;
  25         __be32                          max_ip;
  26         union nf_conntrack_man_proto    min;
  27         union nf_conntrack_man_proto    max;
  28 };
  29
  30 struct nf_nat_ipv4_multi_range_compat {
  31         unsigned int                    rangesize;
  32         struct nf_nat_ipv4_range        range[1];
  33 };
  34
  35 struct nf_nat_range {
  36         unsigned int                    flags;
  37         union nf_inet_addr              min_addr;
  38         union nf_inet_addr              max_addr;
  39         union nf_conntrack_man_proto    min_proto;
  40         union nf_conntrack_man_proto    max_proto;
  41 };
  42
  43 #endif /* _NETFILTER_NF_NAT_H */