Wifi usability: Data stall detection based on link layer stats

This is an effort to define new criterion for triggering Wifi data stall:
(1) Defined data stall criterion based on transmit and/or receive throughput, transmit packet error rate, and CCA level. Data stall is triggered when transmit and/or receive links are consecutively bad over multiple RSSI polls.
(2) Added DeviceConfig flags (that is disabled by default) which may be configured on the server side to tune the thresholds at which data stall gets triggered.

Bug: 141027476

Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh

Change-Id: I3c5d9756ff74c0b5682a0b2a51ed64c27c679d72
Signed-off-by: Mingguang Xu <mingguangxu@google.com>
Merged-In: I76d6338cd2d482d198fde1e5a2d1a0540c087ca6

1 files changed, 2 insertions, 1 deletions

diff --git a/service/java/com/android/server/wifi/WifiInjector.java b/service/java/com/android/server/wifi/WifiInjector.java
index 3a79e590b..fe9ebea17 100644
--- a/service/java/com/android/server/wifi/WifiInjector.java
+++ b/service/java/com/android/server/wifi/WifiInjector.java
@@ -301,7 +301,8 @@ public class WifiInjector {
         mWifiDiagnostics = new WifiDiagnostics(
                 mContext, this, mWifiNative, mBuildProperties,
                 new LastMileLogger(this), mClock);
-        mWifiDataStall = new WifiDataStall(mContext, mFrameworkFacade, mWifiMetrics);
+        mWifiDataStall = new WifiDataStall(mContext, mFrameworkFacade, mWifiMetrics,
+                mDeviceConfigFacade, clientModeImplLooper, mClock);
         mWifiMetrics.setWifiDataStall(mWifiDataStall);
         mLinkProbeManager = new LinkProbeManager(mClock, mWifiNative, mWifiMetrics,
                 mFrameworkFacade, mWifiCoreHandlerThread.getLooper(), mContext);