le_enabled
#define ll_privacy_enabled(dev) (le_enabled(dev) && ll_privacy_capable(dev))
#define iso_enabled(dev) (le_enabled(dev) && iso_capable(dev))
#define cis_enabled(dev) (le_enabled(dev) && cis_capable(dev))
(le_enabled(dev) && cis_central_capable(dev))
(le_enabled(dev) && cis_peripheral_capable(dev))
#define bis_enabled(dev) (le_enabled(dev) && bis_capable(dev))
#define sync_recv_enabled(dev) (le_enabled(dev) && sync_recv_capable(dev))
(le_enabled(dev) && past_sender_capable(dev))
(le_enabled(dev) && past_receiver_capable(dev))