1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c
index faaefb692298..3f82e9542eda 100644
--- a/net/ipv6/addrconf_core.c
+++ b/net/ipv6/addrconf_core.c
@@ -50,6 +50,9 @@ int __ipv6_addr_type(const struct in6_addr *addr)
         if ((st & htonl(0xFFC00000)) == htonl(0xFEC00000))
                 return (IPV6_ADDR_SITELOCAL | IPV6_ADDR_UNICAST |
                         IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_SITELOCAL));               /* addr-select 3.1 */
+        if ((st & htonl(0xFE000000)) == htonl(0xFC000000))
+                return (IPV6_ADDR_UNICAST |
+                        IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL));                  /* RFC 4193 */
 
         if ((addr->s6_addr32[0] | addr->s6_addr32[1]) == 0) {
                 if (addr->s6_addr32[2] == 0) {