Add tx/rx telemtry stats

lib/vintage_net_qmi/connection.ex

@@ -111,6 +111,16 @@ defmodule VintageNetQMI.Connection do
       stats_with_timestamp
     )
 
+    :telemetry.execute(
+      [
+        :vintage_net_qmi,
+        :connection,
+        :statistics
+      ],
+      stats,
+      %{ifname: state.ifname}
+    )
+
     {:noreply, state}
   end
 

lib/vintage_net_qmi/signal_monitor.ex

@@ -34,7 +34,17 @@ defmodule VintageNetQMI.SignalMonitor do
 
   @impl GenServer
   def handle_info(:signal_check, state) do
-    :ok = get_signal_stats(state)
+    case NetworkAccess.get_signal_strength(state.qmi) do
+      {:ok, %{rssi_reports: [rssi_data]}} ->
+        rssi_data
+        |> to_rssi()
+        |> Map.put(:rssi, rssi_data.rssi)
+        |> post_signal_rssi(state)
+        |> execute_telemetry_event(state)
+
+      {:error, _reason} ->
+        Logger.debug("[VintageNetQMI] unable to get signal strength, retrying.")
+    end
 
     send_msgs([:signal_check], state.interval)
 
@@ -55,24 +65,16 @@ defmodule VintageNetQMI.SignalMonitor do
     {:noreply, state}
   end
 
-  defp get_signal_stats(state) do
-    {:ok, %{rssi_reports: [rssi_data]}} = NetworkAccess.get_signal_strength(state.qmi)
-
-    rssi_data
-    |> to_rssi()
-    |> Map.put(:rssi, rssi_data.rssi)
-    |> post_signal_rssi(state)
-    |> execute_telemetry_event(state)
-  end
-
   defp to_rssi(%{rssi: rssi}) do
     ASUCalculator.from_lte_rssi(rssi)
   end
 
-  defp post_signal_rssi(%{asu: asu, dbm: dbm, bars: bars}, ifname) do
-    post_property(ifname, "signal_asu", asu)
-    post_property(ifname, "signal_dbm", dbm)
-    post_property(ifname, "signal_4bars", bars)
+  defp post_signal_rssi(%{asu: asu, dbm: dbm, bars: bars} = rssi, state) do
+    post_property(state.ifname, "signal_asu", asu)
+    post_property(state.ifname, "signal_dbm", dbm)
+    post_property(state.ifname, "signal_4bars", bars)
+
+    rssi
   end
 
   defp post_band_and_channel_info(