WMI_SERVICE_VDEV_DISABLE_4_ADDR_SRC_LRN_SUPPORT
if (test_bit(WMI_SERVICE_VDEV_DISABLE_4_ADDR_SRC_LRN_SUPPORT,
SVCSTR(WMI_SERVICE_VDEV_DISABLE_4_ADDR_SRC_LRN_SUPPORT);
WMI_SERVICE_VDEV_DISABLE_4_ADDR_SRC_LRN_SUPPORT, len);