+o.rmempty = false
+o.datatype = "ip6addr"
+o.placeholder = translate("default")
+function o.cfgvalue(self, section)
+ local l = { }
+ local v = m.uci:get_list("radvd", section, "prefix")
+ for v in utl.imatch(v) do
+ l[#l+1] = v
+ end
+ return l
+end