abis/mlibc: Define additional network constants
@@ -131,6 +131,9 @@ struct group_source_req {
#define MCAST_JOIN_SOURCE_GROUP 46
#define MCAST_LEAVE_SOURCE_GROUP 47
+#define IP_PMTUDISC_DONT 0
+#define IP_PMTUDISC_DO 2
+
#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
