WX_PSR_CTL_MO_SHIFT
(wx->mac.mc_filter_type << WX_PSR_CTL_MO_SHIFT);
psrctl |= wx->mac.mc_filter_type << WX_PSR_CTL_MO_SHIFT;
#define WX_PSR_CTL_MO (0x3 << WX_PSR_CTL_MO_SHIFT)