Add forwarded stats dump in tethering hardware offload
The information can be useful for issue debugging, it shows the
accumulated traffic offloaded to the hardware for all upstreams.
$ dumpsys tethering
....
ForwardedStats:
rmnet_data2: rx:155686981 tx:799922
....
Bug: b/205762647
Test: adb shell dumpsys tethering
Change-Id: I94143329bdc8ad0eff79c32f329fae95ad3acf8a
diff --git a/Tethering/src/com/android/networkstack/tethering/OffloadController.java b/Tethering/src/com/android/networkstack/tethering/OffloadController.java
index 5fa6b2d..b4c0d6a 100644
--- a/Tethering/src/com/android/networkstack/tethering/OffloadController.java
+++ b/Tethering/src/com/android/networkstack/tethering/OffloadController.java
@@ -762,6 +762,16 @@
String upstream = (lp != null) ? lp.getInterfaceName() : null;
pw.println("Current upstream: " + upstream);
pw.println("Exempt prefixes: " + mLastLocalPrefixStrs);
+ pw.println("ForwardedStats:");
+ pw.increaseIndent();
+ if (mForwardedStats.isEmpty()) {
+ pw.println("<empty>");
+ } else {
+ for (final Map.Entry<String, ForwardedStats> kv : mForwardedStats.entrySet()) {
+ pw.println(kv.getKey() + ": " + kv.getValue());
+ }
+ }
+ pw.decreaseIndent();
pw.println("NAT timeout update callbacks received during the "
+ (isStarted ? "current" : "last")
+ " offload session: "