Hello Alex,
Dave is correct that RFNoC does not currently support a loopback that does
not include the host. This is a functionality which Ettus is aware is
keenly desired by some users but we do not have a timeline for it being
natively supported. The post that Dave linked to describes how to
I seem to recall that you can't actually do a loopback like that in RFNoC.
I think you have to send samples to the host at some point. A quick Google
search came up with [1]. I'd be really interested if there were a way to
do a HW only loopback with RFNoC natively.
[1]
