HW_VAR_BCN_VALID
rtw_hal_set_hwreg(padapter, HW_VAR_BCN_VALID, NULL);
rtw_hal_get_hwreg(padapter, HW_VAR_BCN_VALID, (u8 *)(&bxmitok));
rtw_hal_set_hwreg(padapter, HW_VAR_BCN_VALID, NULL);
rtw_hal_get_hwreg(padapter, HW_VAR_BCN_VALID, (u8 *)(&bcn_valid));
rtw_hal_set_hwreg(padapter, HW_VAR_BCN_VALID, NULL);
rtw_hal_get_hwreg(padapter, HW_VAR_BCN_VALID, &bcn_valid);
case HW_VAR_BCN_VALID:
case HW_VAR_BCN_VALID: