As the precedent commit, this commit deals with the realtime problems
that we currently have on the CI bench.
For DL HARQ feedback, nFAPI does not give us the HARQ process ID.
Instead, we have to figure this out "from timing", i.e., if we trigger
PUCCH reception, we will get a message with HARQ if we instructed the
PHY to do so. If we have real-time problems, it seems (I cannot verify:
don't have real time problems) that we do not get the nFAPI message with
HARQ feedback. Thus, we need to skip the HARQ processes that should have
been processed in the past, which happens in this commit.
At the time of this commit, the CI has realtime issues. This can mean
that the HARQ result is delivered in a delayed fashion. Before this
commit, we were asserting on whether the slot corresponds to the HARQ
process's expected feedback slot, but a particular feedback might be
delayed under realtime issues, and we actually don't care about the
timing since we get the HARQ process ID.
Instead, we loop through the HARQ processes for which we wait for a
feedback in the beginning until we have the right process (which did not
seem to cause a problem till now, but who knows.
This commit enables more slots so that the "real UE" preprocessor can
schedule them. The DL phytest preprocessor continues to only schedule
slots 1 & 3. This is because the OAI-UE needs to have PUCCH scheduled
at least six slots in advance. Since we do not support this (yet), but
assume that two slots are enough, we schedule the UE only in slot 1 & 3
so it has 6 slots until slot 7 to send PUCCH.
Robert Schmidt