1 files changed, 1 insertions, 2 deletions

diff --git a/include/linux/in6.h b/include/linux/in6.h
index 4e8350ae886..2a61c82af11 100644
--- a/include/linux/in6.h
+++ b/include/linux/in6.h
@@ -44,10 +44,8 @@ struct in6_addr
  * NOTE: Be aware the IN6ADDR_* constants and in6addr_* externals are defined
  * in network byte order, not in host byte order as are the IPv4 equivalents
  */
-#if 0
 extern const struct in6_addr in6addr_any;
 #define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
-#endif
 extern const struct in6_addr in6addr_loopback;
 #define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
 
@@ -179,6 +177,7 @@ struct in6_flowlabel_req
 #define IPV6_PMTUDISC_DONT              0
 #define IPV6_PMTUDISC_WANT              1
 #define IPV6_PMTUDISC_DO                2
+#define IPV6_PMTUDISC_PROBE             3
 
 /* Flowlabel */
 #define IPV6_FLOWLABEL_MGR      32