Ability to configure NR dual connectivity

Provide ability to configure EUTRANR dual
connectivity

Bug: 162373679
Test: build
Change-Id: I48f5ef0a5f84157de9feffa8c5aa85d226163068

3 files changed, 161 insertions, 0 deletions

diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 73244859c336..5f3fd60f7e96 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -13458,6 +13458,149 @@ public class TelephonyManager {
         }
     }
 
+    /**
+     * No error. Operation succeeded.
+     * @hide
+     */
+    @SystemApi
+    public static final int ENABLE_NR_DUAL_CONNECTIVITY_SUCCESS = 0;
+
+    /**
+     * NR Dual connectivity enablement is not supported.
+     * @hide
+     */
+    @SystemApi
+    public static final int ENABLE_NR_DUAL_CONNECTIVITY_NOT_SUPPORTED = 1;
+
+    /**
+     * Radio is not available.
+     * @hide
+     */
+    @SystemApi
+    public static final int ENABLE_NR_DUAL_CONNECTIVITY_RADIO_NOT_AVAILABLE = 2;
+
+    /**
+     * Internal Radio error.
+     * @hide
+     */
+    @SystemApi
+    public static final int ENABLE_NR_DUAL_CONNECTIVITY_RADIO_ERROR = 3;
+
+    /**
+     * Currently in invalid state. Not able to process the request.
+     * @hide
+     */
+    @SystemApi
+    public static final int ENABLE_NR_DUAL_CONNECTIVITY_INVALID_STATE = 4;
+
+    /** @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(prefix = {"ENABLE_NR_DUAL_CONNECTIVITY"}, value = {
+            ENABLE_NR_DUAL_CONNECTIVITY_SUCCESS,
+            ENABLE_NR_DUAL_CONNECTIVITY_NOT_SUPPORTED,
+            ENABLE_NR_DUAL_CONNECTIVITY_INVALID_STATE,
+            ENABLE_NR_DUAL_CONNECTIVITY_RADIO_NOT_AVAILABLE,
+            ENABLE_NR_DUAL_CONNECTIVITY_RADIO_ERROR})
+    public @interface EnableNrDualConnectivityResult {}
+
+    /**
+     * Enable NR dual connectivity. Enabled state does not mean dual connectivity
+     * is active. It means device is allowed to connect to both primary and secondary.
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final int NR_DUAL_CONNECTIVITY_ENABLE = 1;
+
+    /**
+     * Disable NR dual connectivity. Disabled state does not mean the secondary cell is released.
+     * Modem will release it only if the current bearer is released to avoid radio link failure.
+     * @hide
+     */
+    @SystemApi
+    public static final int NR_DUAL_CONNECTIVITY_DISABLE = 2;
+
+    /**
+     * Disable NR dual connectivity and force the secondary cell to be released if dual connectivity
+     * was active. This will result in radio link failure.
+     * @hide
+     */
+    @SystemApi
+    public static final int NR_DUAL_CONNECTIVITY_DISABLE_IMMEDIATE = 3;
+
+    /**
+     * @hide
+     */
+    @IntDef(prefix = { "NR_DUAL_CONNECTIVITY_" }, value = {
+            NR_DUAL_CONNECTIVITY_ENABLE,
+            NR_DUAL_CONNECTIVITY_DISABLE,
+            NR_DUAL_CONNECTIVITY_DISABLE_IMMEDIATE,
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface NrDualConnectivityState {
+    }
+
+    /**
+     * Enable/Disable E-UTRA-NR Dual Connectivity.
+     *
+     * @param nrDualConnectivityState expected NR dual connectivity state
+     * This can be passed following states
+     * <ol>
+     * <li>Enable NR dual connectivity {@link #NR_DUAL_CONNECTIVITY_ENABLE}
+     * <li>Disable NR dual connectivity {@link #NR_DUAL_CONNECTIVITY_DISABLE}
+     * <li>Disable NR dual connectivity and force secondary cell to be released
+     * {@link #NR_DUAL_CONNECTIVITY_DISABLE_IMMEDIATE}
+     * </ol>
+     * @return operation result.
+     * <p>Requires Permission:
+     * {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE}
+     * @throws IllegalStateException if the Telephony process is not currently available.
+     * @hide
+     */
+    @SystemApi
+    public @EnableNrDualConnectivityResult int setNrDualConnectivityState(
+            @NrDualConnectivityState int nrDualConnectivityState) {
+        try {
+            ITelephony telephony = getITelephony();
+            if (telephony != null) {
+                return telephony.setNrDualConnectivityState(getSubId(), nrDualConnectivityState);
+            } else {
+                throw new IllegalStateException("telephony service is null.");
+            }
+        } catch (RemoteException ex) {
+            Rlog.e(TAG, "setNrDualConnectivityState RemoteException", ex);
+            ex.rethrowFromSystemServer();
+        }
+
+        return ENABLE_NR_DUAL_CONNECTIVITY_INVALID_STATE;
+    }
+
+    /**
+     * Is E-UTRA-NR Dual Connectivity enabled.
+     * @return true if dual connectivity is enabled else false. Enabled state does not mean dual
+     * connectivity is active. It means the device is allowed to connect to both primary and
+     * secondary cell.
+     * <p>Requires Permission:
+     * {@link android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE READ_PRIVILEGED_PHONE_STATE}
+     * @throws IllegalStateException if the Telephony process is not currently available.
+     * @hide
+     */
+    @SystemApi
+    public boolean isNrDualConnectivityEnabled() {
+        try {
+            ITelephony telephony = getITelephony();
+            if (telephony != null) {
+                return telephony.isNrDualConnectivityEnabled(getSubId());
+            } else {
+                throw new IllegalStateException("telephony service is null.");
+            }
+        } catch (RemoteException ex) {
+            Rlog.e(TAG, "isNRDualConnectivityEnabled RemoteException", ex);
+            ex.rethrowFromSystemServer();
+        }
+        return false;
+    }
+
     private static class DeathRecipient implements IBinder.DeathRecipient {
         @Override
         public void binderDied() {
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index 79456360c377..a8a491ac7402 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -2216,4 +2216,20 @@ interface ITelephony {
      * does not exist on the SIM card.
      */
     List<String> getEquivalentHomePlmns(int subId, String callingPackage, String callingFeatureId);
+
+    /**
+     * Enable/Disable E-UTRA-NR Dual Connectivity
+     * @return operation result. See TelephonyManager.EnableNrDualConnectivityResult for
+     * details
+     * @param subId the id of the subscription
+     * @param enable enable/disable dual connectivity
+     */
+    int setNrDualConnectivityState(int subId, int nrDualConnectivityState);
+
+    /**
+     * Is E-UTRA-NR Dual Connectivity enabled
+     * @param subId the id of the subscription
+     * @return true if dual connectivity is enabled else false
+     */
+    boolean isNrDualConnectivityEnabled(int subId);
 }
diff --git a/telephony/java/com/android/internal/telephony/RILConstants.java b/telephony/java/com/android/internal/telephony/RILConstants.java
index 4abf784e9c81..d3c27dc4f255 100644
--- a/telephony/java/com/android/internal/telephony/RILConstants.java
+++ b/telephony/java/com/android/internal/telephony/RILConstants.java
@@ -513,6 +513,8 @@ public interface RILConstants {
     int RIL_REQUEST_SET_SYSTEM_SELECTION_CHANNELS = 210;
     int RIL_REQUEST_GET_BARRING_INFO = 211;
     int RIL_REQUEST_ENTER_SIM_DEPERSONALIZATION = 212;
+    int RIL_REQUEST_ENABLE_NR_DUAL_CONNECTIVITY = 213;
+    int RIL_REQUEST_IS_NR_DUAL_CONNECTIVITY_ENABLED = 214;
     int RIL_REQUEST_ALLOCATE_PDU_SESSION_ID = 215;
     int RIL_REQUEST_RELEASE_PDU_SESSION_ID = 216;
     int RIL_REQUEST_BEGIN_HANDOVER = 217;