diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-04-24 21:56:51 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-04-28 17:32:35 +0200 |
| commit | 35a6b10c1bc488ca195e9c641563c29251f725f3 (patch) | |
| tree | 60e24b067eb7658e3b7f355eb268b0732f80af22 /include/linux | |
| parent | c2da6d7774aa9c2629d168f6d27be7797970d7a2 (diff) | |
src: add netmap support
This patch allows you to specify an interval of IP address in maps.
table ip x {
chain y {
type nat hook postrouting priority srcnat; policy accept;
snat ip prefix to ip saddr map { 10.141.11.0/24 : 192.168.2.0/24 }
}
}
The example above performs SNAT to packets that comes from
10.141.11.0/24 using the prefix 192.168.2.0/24, e.g. 10.141.11.4 is
mangled to 192.168.2.4.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/netfilter/nf_nat.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/netfilter/nf_nat.h b/include/linux/netfilter/nf_nat.h index 4a95c0db..a64586e7 100644 --- a/include/linux/netfilter/nf_nat.h +++ b/include/linux/netfilter/nf_nat.h @@ -11,6 +11,7 @@ #define NF_NAT_RANGE_PERSISTENT (1 << 3) #define NF_NAT_RANGE_PROTO_RANDOM_FULLY (1 << 4) #define NF_NAT_RANGE_PROTO_OFFSET (1 << 5) +#define NF_NAT_RANGE_NETMAP (1 << 6) #define NF_NAT_RANGE_PROTO_RANDOM_ALL \ (NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PROTO_RANDOM_FULLY) @@ -18,7 +19,8 @@ #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 | NF_NAT_RANGE_PROTO_OFFSET) + NF_NAT_RANGE_PROTO_RANDOM_FULLY | NF_NAT_RANGE_PROTO_OFFSET | \ + NF_NAT_RANGE_NETMAP) struct nf_nat_ipv4_range { unsigned int flags; |