Do not enable ingress rate limit until clsact qdisc exists

The tc police filter attaches to the clsact qdisc, so the rate limit
cannot be enabled before the qdisc is added to the interface.
The clsact qdisc is added as part of INetd#networkAddInterface, which is
called from inside updateLinkProperties.

Test: atest FrameworksNetTests:ConnectivityServiceTest
Change-Id: I0713605ff3684f8271eb3f0e29ab7116561963f1

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/unit/java/com/android/server/ConnectivityServiceTest.java b/tests/unit/java/com/android/server/ConnectivityServiceTest.java
index 098d48a734..777da1714c 100644
--- a/tests/unit/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/unit/java/com/android/server/ConnectivityServiceTest.java
@@ -1998,6 +1998,13 @@ public class ConnectivityServiceTest {
             // updated. Check that this happened.
             assertEquals(-1L, (long) mActiveRateLimit.getOrDefault(iface, -1L));
             mActiveRateLimit.put(iface, rateInBytesPerSecond);
+            // verify that clsact qdisc has already been created, otherwise attaching a tc police
+            // filter will fail.
+            try {
+                verify(mMockNetd).networkAddInterface(anyInt(), eq(iface));
+            } catch (RemoteException e) {
+                fail(e.getMessage());
+            }
         }
 
         @Override