Revert "[HDM] Add API to check for STA+AP concurrency"

This reverts commit 5a2a9e11a8f3f4d82e9d451a2fe06eba9e8b39fc.

Reason for revert: API only functions if Wi-Fi is on - otherwise it returns incorrect information.

Bug: 80251951
Test: N/A
Change-Id: I847b394816252b417158f5c83d3b3c3efc14aabb

2 files changed, 0 insertions, 117 deletions

diff --git a/service/java/com/android/server/wifi/HalDeviceManager.java b/service/java/com/android/server/wifi/HalDeviceManager.java
index f570ffcb5..3c61217d7 100644
--- a/service/java/com/android/server/wifi/HalDeviceManager.java
+++ b/service/java/com/android/server/wifi/HalDeviceManager.java
@@ -204,16 +204,6 @@ public class HalDeviceManager {
         return getSupportedIfaceTypesInternal(chip);
     }
 
-    /**
-     * Checks whether the device (the combination of all Wi-Fi chips on the device) supports a
-     * concurrent combination of 1 or more STAs and 1 or more APs.
-     *
-     * @return true if STA+AP concurrency is supported, false otherwise.
-     */
-    public boolean isConcurrentStaPlusApSupported() {
-        return isConcurrentStaPlusApSupportedInternal();
-    }
-
     // interface-specific behavior
 
     /**
@@ -1323,49 +1313,6 @@ public class HalDeviceManager {
         return results;
     }
 
-    private boolean isConcurrentStaPlusApSupportedInternal() {
-        if (mDbg) Log.d(TAG, "isConcurrentStaPlusApSupportedInternal");
-
-        synchronized (mLock) {
-            WifiChipInfo[] chipInfos = getAllChipInfo();
-            if (chipInfos == null) {
-                Log.e(TAG, "isConcurrentStaPlusApSupportedInternal: no chip info found");
-                stopWifi(); // major error: shutting down
-                return false;
-            }
-
-            if (!validateInterfaceCache(chipInfos)) {
-                Log.e(TAG, "isConcurrentStaPlusApSupportedInternal: local cache is invalid!");
-                stopWifi(); // major error: shutting down
-                return false;
-            }
-
-            // check whether any chip individually supports AP+STA
-            // TODO b/80270202: this does not fully handle multi-chip behavior
-            for (WifiChipInfo chipInfo : chipInfos) {
-                for (IWifiChip.ChipMode chipMode : chipInfo.availableModes) {
-                    for (IWifiChip.ChipIfaceCombination chipIfaceCombo : chipMode
-                            .availableCombinations) {
-                        int[][] expandedIfaceCombos = expandIfaceCombos(chipIfaceCombo);
-                        if (VDBG) {
-                            Log.d(TAG, chipIfaceCombo + " expands to " + Arrays.deepToString(
-                                    expandedIfaceCombos));
-                        }
-
-                        for (int[] expandedIfaceCombo : expandedIfaceCombos) {
-                            if (expandedIfaceCombo[IfaceType.STA] > 0
-                                    && expandedIfaceCombo[IfaceType.AP] > 0) {
-                                return true;
-                            }
-                        }
-                    }
-                }
-            }
-        }
-
-        return false;
-    }
-
     private IWifiIface createIface(int ifaceType, boolean lowPriority,
             InterfaceDestroyedListener destroyedListener, Handler handler) {
         if (mDbg) {
diff --git a/tests/wifitests/src/com/android/server/wifi/HalDeviceManagerTest.java b/tests/wifitests/src/com/android/server/wifi/HalDeviceManagerTest.java
index 7e74e3070..f18c52d39 100644
--- a/tests/wifitests/src/com/android/server/wifi/HalDeviceManagerTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/HalDeviceManagerTest.java
@@ -687,22 +687,6 @@ public class HalDeviceManagerTest {
     //////////////////////////////////////////////////////////////////////////////////////
 
     /**
-     * Validate STA+AP concurrency derivation from chip configuration.
-     */
-    @Test
-    public void testIsConcurrentStaPlusApSupportedChipV1() throws Exception {
-        TestChipV1 chipMock = new TestChipV1();
-        chipMock.initialize();
-        mInOrder = inOrder(mServiceManagerMock, mWifiMock, chipMock.chip,
-                mManagerStatusListenerMock);
-        executeAndValidateInitializationSequence();
-        executeAndValidateStartupSequence();
-
-        assertFalse("STA+AP concurrency should be FALSE for TestChipV1",
-                mDut.isConcurrentStaPlusApSupported());
-    }
-
-    /**
      * Validate creation of AP interface when in STA mode - but with no interface created. Expect
      * a change in chip mode.
      */
@@ -1205,22 +1189,6 @@ public class HalDeviceManagerTest {
     //////////////////////////////////////////////////////////////////////////////////////
 
     /**
-     * Validate STA+AP concurrency derivation from chip configuration.
-     */
-    @Test
-    public void testIsConcurrentStaPlusApSupportedChipV2() throws Exception {
-        TestChipV2 chipMock = new TestChipV2();
-        chipMock.initialize();
-        mInOrder = inOrder(mServiceManagerMock, mWifiMock, chipMock.chip,
-                mManagerStatusListenerMock);
-        executeAndValidateInitializationSequence();
-        executeAndValidateStartupSequence();
-
-        assertTrue("STA+AP concurrency should be TRUE for TestChipV2",
-                mDut.isConcurrentStaPlusApSupported());
-    }
-
-    /**
      * Validate a flow sequence for test chip 2:
      * - create STA
      * - create P2P
@@ -1498,22 +1466,6 @@ public class HalDeviceManagerTest {
     //////////////////////////////////////////////////////////////////////////////////////
 
     /**
-     * Validate STA+AP concurrency derivation from chip configuration.
-     */
-    @Test
-    public void testIsConcurrentStaPlusApSupportedChipV3() throws Exception {
-        TestChipV3 chipMock = new TestChipV3();
-        chipMock.initialize();
-        mInOrder = inOrder(mServiceManagerMock, mWifiMock, chipMock.chip,
-                mManagerStatusListenerMock);
-        executeAndValidateInitializationSequence();
-        executeAndValidateStartupSequence();
-
-        assertTrue("STA+AP concurrency should be TRUE for TestChipV3",
-                mDut.isConcurrentStaPlusApSupported());
-    }
-
-    /**
      * Validate a flow sequence for test chip 3:
      * - create STA
      * - create P2P
@@ -1779,22 +1731,6 @@ public class HalDeviceManagerTest {
     //////////////////////////////////////////////////////////////////////////////////////
 
     /**
-     * Validate STA+AP concurrency derivation from chip configuration.
-     */
-    @Test
-    public void testIsConcurrentStaPlusApSupportedChipV4() throws Exception {
-        TestChipV4 chipMock = new TestChipV4();
-        chipMock.initialize();
-        mInOrder = inOrder(mServiceManagerMock, mWifiMock, chipMock.chip,
-                mManagerStatusListenerMock);
-        executeAndValidateInitializationSequence();
-        executeAndValidateStartupSequence();
-
-        assertTrue("STA+AP concurrency should be TRUE for TestChipV4",
-                mDut.isConcurrentStaPlusApSupported());
-    }
-
-    /**
      * Validate a flow sequence for test chip 4:
      * - create STA
      * - create P2P