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| author | Patrick McHardy <kaber@trash.net> | 2008-04-14 09:15:47 (GMT) |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2008-04-14 09:15:47 (GMT) |
| commit | 535b57c7c1524125444aa1b874332f6ff1608ef5 (patch) | |
| tree | c127d9bce1b29158343447967c50edd51e357890 /net/ipv4/netfilter/nf_nat_proto_common.c | |
| parent | 5abd363f738dcd048ee790fb9b84d0768a8a407f (diff) | |
| download | linux-fsl-qoriq-535b57c7c1524125444aa1b874332f6ff1608ef5.tar.xz | |
[NETFILTER]: nf_nat: move NAT ctnetlink helpers to nf_nat_proto_common
Move to nf_nat_proto_common and rename to nf_nat_proto_... since they're
also used by protocols that don't have port numbers.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/ipv4/netfilter/nf_nat_proto_common.c')
| -rw-r--r-- | net/ipv4/netfilter/nf_nat_proto_common.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/net/ipv4/netfilter/nf_nat_proto_common.c b/net/ipv4/netfilter/nf_nat_proto_common.c index 871ab0e..ef4dc39 100644 --- a/net/ipv4/netfilter/nf_nat_proto_common.c +++ b/net/ipv4/netfilter/nf_nat_proto_common.c @@ -88,3 +88,41 @@ int nf_nat_proto_unique_tuple(struct nf_conntrack_tuple *tuple, return 0; } EXPORT_SYMBOL_GPL(nf_nat_proto_unique_tuple); + +#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE) +int nf_nat_proto_range_to_nlattr(struct sk_buff *skb, + const struct nf_nat_range *range) +{ + NLA_PUT_BE16(skb, CTA_PROTONAT_PORT_MIN, range->min.all); + NLA_PUT_BE16(skb, CTA_PROTONAT_PORT_MAX, range->max.all); + return 0; + +nla_put_failure: + return -1; +} +EXPORT_SYMBOL_GPL(nf_nat_proto_nlattr_to_range); + +int nf_nat_proto_nlattr_to_range(struct nlattr *tb[], + struct nf_nat_range *range) +{ + int ret = 0; + + /* we have to return whether we actually parsed something or not */ + + if (tb[CTA_PROTONAT_PORT_MIN]) { + ret = 1; + range->min.all = nla_get_be16(tb[CTA_PROTONAT_PORT_MIN]); + } + + if (!tb[CTA_PROTONAT_PORT_MAX]) { + if (ret) + range->max.all = range->min.all; + } else { + ret = 1; + range->max.all = nla_get_be16(tb[CTA_PROTONAT_PORT_MAX]); + } + + return ret; +} +EXPORT_SYMBOL_GPL(nf_nat_proto_range_to_nlattr); +#endif |