Merge "add test for /system/etc/bpf/{netd,clatd}.o using correct struct sizes"diff --git a/Tethering/src/com/android/networkstack/tethering/Tethering.java b/Tethering/src/com/android/networkstack/tethering/Tethering.java
index 079bf9c..08170f9 100644
--- a/Tethering/src/com/android/networkstack/tethering/Tethering.java
+++ b/Tethering/src/com/android/networkstack/tethering/Tethering.java
@@ -181,12 +181,16 @@
public final IpServer ipServer;
public int lastState;
public int lastError;
+ // This field only valid for TETHERING_USB and TETHERING_NCM.
+ // TODO: Change this from boolean to int for extension.
+ public final boolean isNcm;
- TetherState(IpServer ipServer) {
+ TetherState(IpServer ipServer, boolean isNcm) {
this.ipServer = ipServer;
// Assume all state machines start out available and with no errors.
lastState = IpServer.STATE_AVAILABLE;
lastError = TETHER_ERROR_NO_ERROR;
+ this.isNcm = isNcm;
}
public boolean isCurrentlyServing() {
@@ -522,9 +526,11 @@
// This method needs to exist because TETHERING_BLUETOOTH and TETHERING_WIGIG can't use
// enableIpServing.
- private void startOrStopIpServer(final String iface, boolean enabled) {
- // TODO: do not listen to USB interface state changes. USB tethering is driven only by
- // USB_ACTION broadcasts.
+ private void processInterfaceStateChange(final String iface, boolean enabled) {
+ // Do not listen to USB interface state changes or USB interface add/removes. USB tethering
+ // is driven only by USB_ACTION broadcasts.
+ final int type = ifaceNameToType(iface);
+ if (type == TETHERING_USB || type == TETHERING_NCM) return;
if (enabled) {
ensureIpServerStarted(iface);
@@ -548,7 +554,7 @@
return;
}
- startOrStopIpServer(iface, up);
+ processInterfaceStateChange(iface, up);
}
void interfaceLinkStateChanged(String iface, boolean up) {
@@ -576,12 +582,12 @@
void interfaceAdded(String iface) {
if (VDBG) Log.d(TAG, "interfaceAdded " + iface);
- startOrStopIpServer(iface, true /* enabled */);
+ processInterfaceStateChange(iface, true /* enabled */);
}
void interfaceRemoved(String iface) {
if (VDBG) Log.d(TAG, "interfaceRemoved " + iface);
- startOrStopIpServer(iface, false /* enabled */);
+ processInterfaceStateChange(iface, false /* enabled */);
}
void startTethering(final TetheringRequestParcel request, final IIntResultListener listener) {
@@ -894,7 +900,7 @@
: IpServer.STATE_TETHERED;
}
- private int getRequestedUsbType(boolean forNcmFunction) {
+ private int getServedUsbType(boolean forNcmFunction) {
// TETHERING_NCM is only used if the device does not use NCM for regular USB tethering.
if (forNcmFunction && !mConfig.isUsingNcm()) return TETHERING_NCM;
@@ -1036,11 +1042,11 @@
private void handleUsbAction(Intent intent) {
final boolean usbConnected = intent.getBooleanExtra(USB_CONNECTED, false);
final boolean usbConfigured = intent.getBooleanExtra(USB_CONFIGURED, false);
- final boolean rndisEnabled = intent.getBooleanExtra(USB_FUNCTION_RNDIS, false);
- final boolean ncmEnabled = intent.getBooleanExtra(USB_FUNCTION_NCM, false);
+ final boolean usbRndis = intent.getBooleanExtra(USB_FUNCTION_RNDIS, false);
+ final boolean usbNcm = intent.getBooleanExtra(USB_FUNCTION_NCM, false);
mLog.i(String.format("USB bcast connected:%s configured:%s rndis:%s ncm:%s",
- usbConnected, usbConfigured, rndisEnabled, ncmEnabled));
+ usbConnected, usbConfigured, usbRndis, usbNcm));
// There are three types of ACTION_USB_STATE:
//
@@ -1057,18 +1063,45 @@
// functions are ready to use.
//
// For more explanation, see b/62552150 .
- if (!usbConnected && (mRndisEnabled || mNcmEnabled)) {
- // Turn off tethering if it was enabled and there is a disconnect.
- disableUsbIpServing(TETHERING_USB);
- mEntitlementMgr.stopProvisioningIfNeeded(TETHERING_USB);
- } else if (usbConfigured && rndisEnabled) {
- // Tether if rndis is enabled and usb is configured.
- enableUsbIpServing(false /* isNcm */);
- } else if (usbConfigured && ncmEnabled) {
- enableUsbIpServing(true /* isNcm */);
+ boolean rndisEnabled = usbConfigured && usbRndis;
+ boolean ncmEnabled = usbConfigured && usbNcm;
+ if (!usbConnected) {
+ // Don't stop provisioning if function is disabled but usb is still connected. The
+ // function may be disable/enable to handle ip conflict condition (disabling the
+ // function is necessary to ensure the connected device sees a disconnect).
+ // Normally the provisioning should be stopped by stopTethering(int)
+ maybeStopUsbProvisioning();
+ rndisEnabled = false;
+ ncmEnabled = false;
}
- mRndisEnabled = usbConfigured && rndisEnabled;
- mNcmEnabled = usbConfigured && ncmEnabled;
+
+ if (mRndisEnabled != rndisEnabled) {
+ changeUsbIpServing(rndisEnabled, false /* forNcmFunction */);
+ mRndisEnabled = rndisEnabled;
+ }
+
+ if (mNcmEnabled != ncmEnabled) {
+ changeUsbIpServing(ncmEnabled, true /* forNcmFunction */);
+ mNcmEnabled = ncmEnabled;
+ }
+ }
+
+ private void changeUsbIpServing(boolean enable, boolean forNcmFunction) {
+ if (enable) {
+ // enable ip serving if function is enabled and usb is configured.
+ enableUsbIpServing(forNcmFunction);
+ } else {
+ disableUsbIpServing(forNcmFunction);
+ }
+ }
+
+ private void maybeStopUsbProvisioning() {
+ for (int i = 0; i < mTetherStates.size(); i++) {
+ final int type = mTetherStates.valueAt(i).ipServer.interfaceType();
+ if (type == TETHERING_USB || type == TETHERING_NCM) {
+ mEntitlementMgr.stopProvisioningIfNeeded(type);
+ }
+ }
}
private void handleWifiApAction(Intent intent) {
@@ -1216,7 +1249,12 @@
}
private void enableIpServing(int tetheringType, String ifname, int ipServingMode) {
- ensureIpServerStarted(ifname, tetheringType);
+ enableIpServing(tetheringType, ifname, ipServingMode, false /* isNcm */);
+ }
+
+ private void enableIpServing(int tetheringType, String ifname, int ipServingMode,
+ boolean isNcm) {
+ ensureIpServerStarted(ifname, tetheringType, isNcm);
changeInterfaceState(ifname, ipServingMode);
}
@@ -1289,15 +1327,22 @@
}
}
- // TODO: Consider renaming to something more accurate in its description.
+ // TODO: Pass TetheringRequest into this method. The code can look at the existing requests
+ // to see which one matches the function that was enabled. That will tell the code what
+ // tethering type was requested, without having to guess it from the configuration.
// This method:
// - allows requesting either tethering or local hotspot serving states
- // - handles both enabling and disabling serving states
// - only tethers the first matching interface in listInterfaces()
// order of a given type
- private void enableUsbIpServing(boolean isNcm) {
- final int interfaceType = getRequestedUsbType(isNcm);
- final int requestedState = getRequestedState(interfaceType);
+ private void enableUsbIpServing(boolean forNcmFunction) {
+ // Note: TetheringConfiguration#isUsingNcm can change between the call to
+ // startTethering(TETHERING_USB) and the ACTION_USB_STATE broadcast. If the USB tethering
+ // function changes from NCM to RNDIS, this can lead to Tethering starting NCM tethering
+ // as local-only. But if this happens, the SettingsObserver will call stopTetheringInternal
+ // for both TETHERING_USB and TETHERING_NCM, so the local-only NCM interface will be
+ // stopped immediately.
+ final int tetheringType = getServedUsbType(forNcmFunction);
+ final int requestedState = getRequestedState(tetheringType);
String[] ifaces = null;
try {
ifaces = mNetd.interfaceGetList();
@@ -1306,49 +1351,28 @@
return;
}
- String chosenIface = null;
if (ifaces != null) {
for (String iface : ifaces) {
- if (ifaceNameToType(iface) == interfaceType) {
- chosenIface = iface;
- break;
+ if (ifaceNameToType(iface) == tetheringType) {
+ enableIpServing(tetheringType, iface, requestedState, forNcmFunction);
+ return;
}
}
}
- if (chosenIface == null) {
- Log.e(TAG, "could not find iface of type " + interfaceType);
- return;
- }
-
- changeInterfaceState(chosenIface, requestedState);
+ mLog.e("could not enable IpServer for function " + (forNcmFunction ? "NCM" : "RNDIS"));
}
- private void disableUsbIpServing(int interfaceType) {
- String[] ifaces = null;
- try {
- ifaces = mNetd.interfaceGetList();
- } catch (RemoteException | ServiceSpecificException e) {
- mLog.e("Cannot disableUsbIpServing due to error listing Interfaces" + e);
- return;
- }
+ private void disableUsbIpServing(boolean forNcmFunction) {
+ for (int i = 0; i < mTetherStates.size(); i++) {
+ final TetherState state = mTetherStates.valueAt(i);
+ final int type = state.ipServer.interfaceType();
+ if (type != TETHERING_USB && type != TETHERING_NCM) continue;
- String chosenIface = null;
- if (ifaces != null) {
- for (String iface : ifaces) {
- if (ifaceNameToType(iface) == interfaceType) {
- chosenIface = iface;
- break;
- }
+ if (state.isNcm == forNcmFunction) {
+ ensureIpServerStopped(state.ipServer.interfaceName());
}
}
-
- if (chosenIface == null) {
- Log.e(TAG, "could not find iface of type " + interfaceType);
- return;
- }
-
- changeInterfaceState(chosenIface, IpServer.STATE_AVAILABLE);
}
private void changeInterfaceState(String ifname, int requestedState) {
@@ -2545,10 +2569,10 @@
return;
}
- ensureIpServerStarted(iface, interfaceType);
+ ensureIpServerStarted(iface, interfaceType, false /* isNcm */);
}
- private void ensureIpServerStarted(final String iface, int interfaceType) {
+ private void ensureIpServerStarted(final String iface, int interfaceType, boolean isNcm) {
// If we have already started a TISM for this interface, skip.
if (mTetherStates.containsKey(iface)) {
mLog.log("active iface (" + iface + ") reported as added, ignoring");
@@ -2560,7 +2584,7 @@
new IpServer(iface, mLooper, interfaceType, mLog, mNetd, mBpfCoordinator,
makeControlCallback(), mConfig.enableLegacyDhcpServer,
mConfig.isBpfOffloadEnabled(), mPrivateAddressCoordinator,
- mDeps.getIpServerDependencies()));
+ mDeps.getIpServerDependencies()), isNcm);
mTetherStates.put(iface, tetherState);
tetherState.ipServer.start();
}
diff --git a/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java b/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java
index d2f44d3..b6240c4 100644
--- a/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java
+++ b/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java
@@ -170,8 +170,16 @@
mUsbTetheringFunction = getUsbTetheringFunction(res);
- tetherableUsbRegexs = getResourceStringArray(res, R.array.config_tether_usb_regexs);
- tetherableNcmRegexs = getResourceStringArray(res, R.array.config_tether_ncm_regexs);
+ final String[] ncmRegexs = getResourceStringArray(res, R.array.config_tether_ncm_regexs);
+ // If usb tethering use NCM and config_tether_ncm_regexs is not empty, use
+ // config_tether_ncm_regexs for tetherableUsbRegexs.
+ if (isUsingNcm() && (ncmRegexs.length != 0)) {
+ tetherableUsbRegexs = ncmRegexs;
+ tetherableNcmRegexs = EMPTY_STRING_ARRAY;
+ } else {
+ tetherableUsbRegexs = getResourceStringArray(res, R.array.config_tether_usb_regexs);
+ tetherableNcmRegexs = ncmRegexs;
+ }
// TODO: Evaluate deleting this altogether now that Wi-Fi always passes
// us an interface name. Careful consideration needs to be given to
// implications for Settings and for provisioning checks.
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java
index 0f940d8..c0c2ab9 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java
@@ -30,6 +30,7 @@
import static com.android.networkstack.tethering.TetheringConfiguration.TETHER_USB_NCM_FUNCTION;
import static com.android.networkstack.tethering.TetheringConfiguration.TETHER_USB_RNDIS_FUNCTION;
+import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@@ -600,4 +601,48 @@
private void setTetherForceUsbFunctions(final int value) {
setTetherForceUsbFunctions(Integer.toString(value));
}
+
+ @Test
+ public void testNcmRegexs() throws Exception {
+ final String[] rndisRegexs = {"test_rndis\\d"};
+ final String[] ncmRegexs = {"test_ncm\\d"};
+ final String[] rndisNcmRegexs = {"test_rndis\\d", "test_ncm\\d"};
+
+ // cfg.isUsingNcm = false.
+ when(mResources.getInteger(R.integer.config_tether_usb_functions)).thenReturn(
+ TETHER_USB_RNDIS_FUNCTION);
+ setUsbAndNcmRegexs(rndisRegexs, ncmRegexs);
+ assertUsbAndNcmRegexs(rndisRegexs, ncmRegexs);
+
+ setUsbAndNcmRegexs(rndisNcmRegexs, new String[0]);
+ assertUsbAndNcmRegexs(rndisNcmRegexs, new String[0]);
+
+ // cfg.isUsingNcm = true.
+ when(mResources.getInteger(R.integer.config_tether_usb_functions)).thenReturn(
+ TETHER_USB_NCM_FUNCTION);
+ setUsbAndNcmRegexs(rndisRegexs, ncmRegexs);
+ assertUsbAndNcmRegexs(ncmRegexs, new String[0]);
+
+ setUsbAndNcmRegexs(rndisNcmRegexs, new String[0]);
+ assertUsbAndNcmRegexs(rndisNcmRegexs, new String[0]);
+
+ // Check USB regex is not overwritten by the NCM regex after force to use rndis from
+ // Settings.
+ setUsbAndNcmRegexs(rndisRegexs, ncmRegexs);
+ setTetherForceUsbFunctions(TETHER_USB_RNDIS_FUNCTION);
+ assertUsbAndNcmRegexs(rndisRegexs, ncmRegexs);
+ }
+
+ private void setUsbAndNcmRegexs(final String[] usbRegexs, final String[] ncmRegexs) {
+ when(mResources.getStringArray(R.array.config_tether_usb_regexs)).thenReturn(usbRegexs);
+ when(mResources.getStringArray(R.array.config_tether_ncm_regexs)).thenReturn(ncmRegexs);
+ }
+
+ private void assertUsbAndNcmRegexs(final String[] usbRegexs, final String[] ncmRegexs) {
+ final TetheringConfiguration cfg =
+ new TetheringConfiguration(mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
+ assertArrayEquals(usbRegexs, cfg.tetherableUsbRegexs);
+ assertArrayEquals(ncmRegexs, cfg.tetherableNcmRegexs);
+ }
+
}
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
index 9e0c880..f999dfa 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
@@ -234,6 +234,8 @@
private static final int WIFI_NETID = 101;
private static final int DUN_NETID = 102;
+ private static final int TETHER_USB_RNDIS_NCM_FUNCTIONS = 2;
+
private static final int DHCPSERVER_START_TIMEOUT_MS = 1000;
@Mock private ApplicationInfo mApplicationInfo;
@@ -648,17 +650,17 @@
TetheringConfiguration.TETHER_USB_RNDIS_FUNCTION);
// Setup tetherable configuration.
when(mResources.getStringArray(R.array.config_tether_usb_regexs))
- .thenReturn(new String[] { TEST_RNDIS_REGEX});
+ .thenReturn(new String[] {TEST_RNDIS_REGEX});
when(mResources.getStringArray(R.array.config_tether_wifi_regexs))
- .thenReturn(new String[] { TEST_WIFI_REGEX });
+ .thenReturn(new String[] {TEST_WIFI_REGEX});
when(mResources.getStringArray(R.array.config_tether_wifi_p2p_regexs))
- .thenReturn(new String[] { TEST_P2P_REGEX });
+ .thenReturn(new String[] {TEST_P2P_REGEX});
when(mResources.getStringArray(R.array.config_tether_bluetooth_regexs))
- .thenReturn(new String[] { TEST_BT_REGEX });
+ .thenReturn(new String[] {TEST_BT_REGEX});
when(mResources.getStringArray(R.array.config_tether_ncm_regexs))
- .thenReturn(new String[] { TEST_NCM_REGEX });
+ .thenReturn(new String[] {TEST_NCM_REGEX});
when(mResources.getIntArray(R.array.config_tether_upstream_types)).thenReturn(
- new int[] { TYPE_WIFI, TYPE_MOBILE_DUN });
+ new int[] {TYPE_WIFI, TYPE_MOBILE_DUN});
when(mResources.getBoolean(R.bool.config_tether_upstream_automatic)).thenReturn(true);
}
@@ -738,7 +740,16 @@
mLooper.dispatchAll();
}
+ // enableType:
+ // No function enabled = -1
+ // TETHER_USB_RNDIS_FUNCTION = 0
+ // TETHER_USB_NCM_FUNCTIONS = 1
+ // TETHER_USB_RNDIS_NCM_FUNCTIONS = 2
private boolean tetherUsbFunctionMatches(int function, int enabledType) {
+ if (enabledType < 0) return false;
+
+ if (enabledType == TETHER_USB_RNDIS_NCM_FUNCTIONS) return function < enabledType;
+
return function == enabledType;
}
@@ -822,8 +833,6 @@
mTethering.startTethering(createTetheringRequestParcel(TETHERING_NCM), null);
mLooper.dispatchAll();
verify(mUsbManager, times(1)).setCurrentFunctions(UsbManager.FUNCTION_NCM);
-
- mTethering.interfaceStatusChanged(TEST_NCM_IFNAME, true);
}
private void prepareUsbTethering() {
@@ -1903,7 +1912,6 @@
private void runStopUSBTethering() {
mTethering.stopTethering(TETHERING_USB);
mLooper.dispatchAll();
- mTethering.interfaceRemoved(TEST_RNDIS_IFNAME);
sendUsbBroadcast(true, true, -1 /* function */);
mLooper.dispatchAll();
verify(mUsbManager).setCurrentFunctions(UsbManager.FUNCTION_NONE);
@@ -2087,7 +2095,7 @@
setDataSaverEnabled(true);
// Verify that tethering should be disabled.
verify(mUsbManager, times(1)).setCurrentFunctions(UsbManager.FUNCTION_NONE);
- mTethering.interfaceRemoved(TEST_RNDIS_IFNAME);
+ sendUsbBroadcast(true, true, -1 /* function */);
mLooper.dispatchAll();
assertEquals(mTethering.getTetheredIfaces(), new String[0]);
reset(mUsbManager, mIPv6TetheringCoordinator);
@@ -2350,14 +2358,14 @@
final String ipv4Address = ifaceConfigCaptor.getValue().ipv4Addr;
verify(mDhcpServer, timeout(DHCPSERVER_START_TIMEOUT_MS).times(1)).startWithCallbacks(
any(), any());
- reset(mNetd, mUsbManager);
+ reset(mUsbManager);
// Cause a prefix conflict by assigning a /30 out of the downstream's /24 to the upstream.
updateV4Upstream(new LinkAddress(InetAddresses.parseNumericAddress(ipv4Address), 30),
wifiNetwork, TEST_WIFI_IFNAME, TRANSPORT_WIFI);
// verify turn off usb tethering
verify(mUsbManager).setCurrentFunctions(UsbManager.FUNCTION_NONE);
- mTethering.interfaceRemoved(TEST_RNDIS_IFNAME);
+ sendUsbBroadcast(true, true, -1 /* function */);
mLooper.dispatchAll();
// verify restart usb tethering
verify(mUsbManager).setCurrentFunctions(UsbManager.FUNCTION_RNDIS);
@@ -2398,7 +2406,7 @@
verify(mUsbManager).setCurrentFunctions(UsbManager.FUNCTION_NONE);
// verify turn off ethernet tethering
verify(mockRequest).release();
- mTethering.interfaceRemoved(TEST_RNDIS_IFNAME);
+ sendUsbBroadcast(true, true, -1 /* function */);
ethCallback.onUnavailable();
mLooper.dispatchAll();
// verify restart usb tethering
@@ -2657,12 +2665,6 @@
forceUsbTetheringUse(TETHER_USB_NCM_FUNCTION);
verifyUsbTetheringStopDueToSettingChange(TEST_NCM_IFNAME);
- // TODO: move this into setup after allowing configure TEST_NCM_REGEX into
- // config_tether_usb_regexs and config_tether_ncm_regexs at the same time.
- when(mResources.getStringArray(R.array.config_tether_usb_regexs))
- .thenReturn(new String[] {TEST_RNDIS_REGEX, TEST_NCM_REGEX});
- sendConfigurationChanged();
-
// If TETHERING_USB is forced to use ncm function, TETHERING_NCM would no longer be
// available.
final ResultListener ncmResult = new ResultListener(TETHER_ERROR_SERVICE_UNAVAIL);