commit 243301748e51e4b35f9e872d294ce18f38956284
author Ken Chen <cken@google.com> Fri Oct 20 13:02:14 2023 +0800
committer Ken Chen <cken@google.com> Tue Oct 31 01:36:03 2023 +0000
tree 1ba38994522b8c176f4ea778b6447c195e46224c
parent 6b134f18f46c0c672d202410ab66881cfbebaae2

Write Data Saver setting to BPF map

The information is needed by modules who want to know whether a
specific UID is blocked by Data Saver feature.

1. Add a one-element map data_saver_enabled_map.
2. Update current data saver setting to the map.

Bug: 288340533
Test: atest FrameworksNetTests:android.net.connectivity.com.android.serv
er.BpfNetMapsTest
Test: atest bpf_existence_test

Change-Id: I981da4b569247c33cba2d365cb6f2691f673474e

framework/src/android/net/BpfNetMapsConstants.java

diff --git a/framework/src/android/net/BpfNetMapsConstants.java b/framework/src/android/net/BpfNetMapsConstants.java
index e0527f5..36848e7 100644
--- a/framework/src/android/net/BpfNetMapsConstants.java
+++ b/framework/src/android/net/BpfNetMapsConstants.java
@@ -43,8 +43,14 @@
             "/sys/fs/bpf/netd_shared/map_netd_uid_permission_map";
     public static final String COOKIE_TAG_MAP_PATH =
             "/sys/fs/bpf/netd_shared/map_netd_cookie_tag_map";
+    public static final String DATA_SAVER_ENABLED_MAP_PATH =
+            "/sys/fs/bpf/netd_shared/map_netd_data_saver_enabled_map";
     public static final Struct.S32 UID_RULES_CONFIGURATION_KEY = new Struct.S32(0);
     public static final Struct.S32 CURRENT_STATS_MAP_CONFIGURATION_KEY = new Struct.S32(1);
+    public static final Struct.S32 DATA_SAVER_ENABLED_KEY = new Struct.S32(0);
+
+    public static final short DATA_SAVER_DISABLED = 0;
+    public static final short DATA_SAVER_ENABLED = 1;
 
     // LINT.IfChange(match_type)
     public static final long NO_MATCH = 0;