Can't see nrf51822 packets in wireshark

[sofi_mukhtar]

while i open ble sniffer , it sucessfully recognizes the nrf51822 ble nano but when i press w to open the wireshark, it shows no packets and in the interface list it shows like nordic-ble(null)

[sofi_mukhtar]

No it doesn't work..i have rbl ble dongle..i don't have segger hardware. I am trying simply with drag n drop method.. when i open the ble sniffer it gets connected to sniffer on com 15 but doesn't show anything in available devices.