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Attribute data usage to 5G for 5G non-standalone mode

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Test: atest NetworkStatsSubscriptionsMonitorTest#test5g
Bug: 160727498

Change-Id: I563df14500caeb3602b381479afaf5163ad8e6a1
This commit is contained in:
junyulai
2020-07-08 18:48:00 +08:00
parent d8c0131468
commit 7e5b9894a4
1 changed files with 14 additions and 1 deletions
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15
services/core/java/com/android/server/net/NetworkStatsSubscriptionsMonitor.java
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@@ -22,6 +22,7 @@ import android.annotation.NonNull;
import android.content.Context;
import android.os.Looper;
import android.telephony.Annotation;
import android.telephony.NetworkRegistrationInfo;
import android.telephony.PhoneStateListener;
import android.telephony.ServiceState;
import android.telephony.SubscriptionManager;
@@ -196,7 +197,19 @@ public class NetworkStatsSubscriptionsMonitor extends
@Override
public void onServiceStateChanged(@NonNull ServiceState ss) {
final int networkType = ss.getDataNetworkType();
// In 5G SA (Stand Alone) mode, the primary cell itself will be 5G hence telephony
// would report RAT = 5G_NR.
// However, in 5G NSA (Non Stand Alone) mode, the primary cell is still LTE and
// network allocates a secondary 5G cell so telephony reports RAT = LTE along with
// NR state as connected. In such case, attributes the data usage to NR.
// See b/160727498.
final boolean is5GNsa = (ss.getDataNetworkType() == TelephonyManager.NETWORK_TYPE_LTE
|| ss.getDataNetworkType() == TelephonyManager.NETWORK_TYPE_LTE_CA)
&& ss.getNrState() == NetworkRegistrationInfo.NR_STATE_CONNECTED;
final int networkType =
(is5GNsa ? TelephonyManager.NETWORK_TYPE_NR : ss.getDataNetworkType());
final int collapsedRatType = getCollapsedRatType(networkType);
if (collapsedRatType == mLastCollapsedRatType) return;