rfnoc: radio/streamer: Handle late commands and burst ACKs

- Burst ACKs are already handled by the TX streamer, but the radio now
  also sends an action upstream on reception of a burst ACK
- Late commands were only acquitted by an 'L', now an action gets sent
  downstream and is handled in the rx streamer

1 files changed, 4 insertions, 0 deletions

diff --git a/host/lib/rfnoc/rfnoc_rx_streamer.cpp b/host/lib/rfnoc/rfnoc_rx_streamer.cpp
index 9383e3487..d6778267f 100644
--- a/host/lib/rfnoc/rfnoc_rx_streamer.cpp
+++ b/host/lib/rfnoc/rfnoc_rx_streamer.cpp
@@ -244,6 +244,10 @@ void rfnoc_rx_streamer::_handle_rx_event_action(
         // Tell the streamer to flag an overrun to the user after the data that
         // was buffered prior to the overrun is read.
         set_stopped_due_to_overrun();
+    } else if (rx_event_action->error_code
+               == uhd::rx_metadata_t::ERROR_CODE_LATE_COMMAND) {
+        RFNOC_LOG_DEBUG("Received late command message on port " << src.instance);
+        set_stopped_due_to_late_command();
     }
 }