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Diffstat (limited to 'net/ipv4/netfilter/nf_nat_proto_gre.c')
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_gre.c20
1 files changed, 1 insertions, 19 deletions
diff --git a/net/ipv4/netfilter/nf_nat_proto_gre.c b/net/ipv4/netfilter/nf_nat_proto_gre.c
index a1e4da16da2..87af63d9e69 100644
--- a/net/ipv4/netfilter/nf_nat_proto_gre.c
+++ b/net/ipv4/netfilter/nf_nat_proto_gre.c
@@ -36,24 +36,6 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("Harald Welte <laforge@gnumonks.org>");
MODULE_DESCRIPTION("Netfilter NAT protocol helper module for GRE");
-/* is key in given range between min and max */
-static int
-gre_in_range(const struct nf_conntrack_tuple *tuple,
- enum nf_nat_manip_type maniptype,
- const union nf_conntrack_man_proto *min,
- const union nf_conntrack_man_proto *max)
-{
- __be16 key;
-
- if (maniptype == IP_NAT_MANIP_SRC)
- key = tuple->src.u.gre.key;
- else
- key = tuple->dst.u.gre.key;
-
- return ntohs(key) >= ntohs(min->gre.key) &&
- ntohs(key) <= ntohs(max->gre.key);
-}
-
/* generate unique tuple ... */
static int
gre_unique_tuple(struct nf_conntrack_tuple *tuple,
@@ -140,7 +122,7 @@ static const struct nf_nat_protocol gre = {
.protonum = IPPROTO_GRE,
.me = THIS_MODULE,
.manip_pkt = gre_manip_pkt,
- .in_range = gre_in_range,
+ .in_range = nf_nat_proto_in_range,
.unique_tuple = gre_unique_tuple,
#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
.range_to_nlattr = nf_nat_port_range_to_nlattr,