--- /dev/null
+mac80211 from kernel 5.3 and later checks the new policy attribute.
+
+--- a/vendor_cmd.c
++++ b/vendor_cmd.c
+@@ -92,12 +92,14 @@ static const struct wiphy_vendor_command
+ .subcmd = MWL_VENDOR_CMD_SET_BF_TYPE},
+ .flags = WIPHY_VENDOR_CMD_NEED_NETDEV,
+ .doit = mwl_vendor_cmd_set_bf_type,
++ .policy = mwl_vendor_attr_policy,
+ },
+ {
+ .info = { .vendor_id = MRVL_OUI,
+ .subcmd = MWL_VENDOR_CMD_GET_BF_TYPE},
+ .flags = WIPHY_VENDOR_CMD_NEED_NETDEV,
+ .doit = mwl_vendor_cmd_get_bf_type,
++ .policy = mwl_vendor_attr_policy,
+ }
+ };
+