+#ifdef EXT_S46
+ /* draft-ietf-softwire-map-dhcp-07 */
+ DHCPV6_OPT_S46_RULE = EXT_S46,
+ DHCPV6_OPT_S46_BR = EXT_S46 + 1,
+ DHCPV6_OPT_S46_DMR = EXT_S46 + 2,
+ DHCPV6_OPT_S46_V4V6BIND = EXT_S46 + 3,
+ DHCPV6_OPT_S46_PORTPARAMS = EXT_S46 + 4,
+ DHCPV6_OPT_S46_CONT_MAPE = EXT_S46 + 5,
+ DHCPV6_OPT_S46_CONT_MAPT = EXT_S46 + 6,
+ DHCPV6_OPT_S46_CONT_LW = EXT_S46 + 7,
+#endif