bool m;
if (info->flags & IPRANGE_SRC) {
- m = iprange_ipv6_sub(&iph->saddr, &info->src_min.in6) < 0;
- m |= iprange_ipv6_sub(&iph->saddr, &info->src_max.in6) > 0;
+ m = iprange_ipv6_lt(&iph->saddr, &info->src_min.in6);
+ m |= iprange_ipv6_lt(&info->src_max.in6, &iph->saddr);
m ^= !!(info->flags & IPRANGE_SRC_INV);
- if (m)
+ if (m) {
+ pr_debug("src IP %pI6 NOT in range %s%pI6-%pI6\n",
+ &iph->saddr,
+ (info->flags & IPRANGE_SRC_INV) ? "(INV) " : "",
+ &info->src_min.in6,
+ &info->src_max.in6);
return false;
+ }
}
if (info->flags & IPRANGE_DST) {
- m = iprange_ipv6_sub(&iph->daddr, &info->dst_min.in6) < 0;
- m |= iprange_ipv6_sub(&iph->daddr, &info->dst_max.in6) > 0;
+ m = iprange_ipv6_lt(&iph->daddr, &info->dst_min.in6);
+ m |= iprange_ipv6_lt(&info->dst_max.in6, &iph->daddr);
m ^= !!(info->flags & IPRANGE_DST_INV);
- if (m)
+ if (m) {
+ pr_debug("dst IP %pI6 NOT in range %s%pI6-%pI6\n",
+ &iph->daddr,
+ (info->flags & IPRANGE_DST_INV) ? "(INV) " : "",
+ &info->dst_min.in6,
+ &info->dst_max.in6);
return false;
+ }
}
return true;
}