diff --git a/services/net/java/android/net/INetworkMonitor.aidl b/services/net/java/android/net/INetworkMonitor.aidl
index b32ef12ab24d3..3fc81a3dadc5c 100644
--- a/services/net/java/android/net/INetworkMonitor.aidl
+++ b/services/net/java/android/net/INetworkMonitor.aidl
@@ -40,6 +40,20 @@ oneway interface INetworkMonitor {
     // for https probe.
     const int NETWORK_TEST_RESULT_PARTIAL_CONNECTIVITY = 2;
 
+    // Network validation flags indicate probe result and types. If no NETWORK_VALIDATION_RESULT_*
+    // are set, then it's equal to NETWORK_TEST_RESULT_INVALID. If NETWORK_VALIDATION_RESULT_VALID
+    // is set, then the network validates and equal to NETWORK_TEST_RESULT_VALID. If
+    // NETWORK_VALIDATION_RESULT_PARTIAL is set, then the network has partial connectivity which
+    // is equal to NETWORK_TEST_RESULT_PARTIAL_CONNECTIVITY. NETWORK_VALIDATION_PROBE_* is set
+    // when the specific probe result of the network is resolved.
+    const int NETWORK_VALIDATION_RESULT_VALID = 0x01;
+    const int NETWORK_VALIDATION_RESULT_PARTIAL = 0x02;
+    const int NETWORK_VALIDATION_PROBE_DNS = 0x04;
+    const int NETWORK_VALIDATION_PROBE_HTTP = 0x08;
+    const int NETWORK_VALIDATION_PROBE_HTTPS = 0x10;
+    const int NETWORK_VALIDATION_PROBE_FALLBACK = 0x20;
+    const int NETWORK_VALIDATION_PROBE_PRIVDNS = 0x40;
+
     void start();
     void launchCaptivePortalApp();
     void notifyCaptivePortalAppFinished(int response);