提交 a467704d 编写于 作者: A Alexey Dobriyan 提交者: David S. Miller

[NETFILTER]: GRE conntrack: fix htons/htonl confusion

GRE keys are 16 bit.
Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 5c170a09
......@@ -49,15 +49,15 @@ gre_in_range(const struct ip_conntrack_tuple *tuple,
const union ip_conntrack_manip_proto *min,
const union ip_conntrack_manip_proto *max)
{
u_int32_t key;
__be16 key;
if (maniptype == IP_NAT_MANIP_SRC)
key = tuple->src.u.gre.key;
else
key = tuple->dst.u.gre.key;
return ntohl(key) >= ntohl(min->gre.key)
&& ntohl(key) <= ntohl(max->gre.key);
return ntohs(key) >= ntohs(min->gre.key)
&& ntohs(key) <= ntohs(max->gre.key);
}
/* generate unique tuple ... */
......@@ -81,14 +81,14 @@ gre_unique_tuple(struct ip_conntrack_tuple *tuple,
min = 1;
range_size = 0xffff;
} else {
min = ntohl(range->min.gre.key);
range_size = ntohl(range->max.gre.key) - min + 1;
min = ntohs(range->min.gre.key);
range_size = ntohs(range->max.gre.key) - min + 1;
}
DEBUGP("min = %u, range_size = %u\n", min, range_size);
for (i = 0; i < range_size; i++, key++) {
*keyptr = htonl(min + key % range_size);
*keyptr = htons(min + key % range_size);
if (!ip_nat_used_tuple(tuple, conntrack))
return 1;
}
......
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