diff --git a/Tethering/common/TetheringLib/api/module-lib-current.txt b/Tethering/common/TetheringLib/api/module-lib-current.txt
index e893894..01bd983 100644
--- a/Tethering/common/TetheringLib/api/module-lib-current.txt
+++ b/Tethering/common/TetheringLib/api/module-lib-current.txt
@@ -47,9 +47,14 @@
   }
 
   public static final class TetheringManager.TetheringRequest implements android.os.Parcelable {
+    method @FlaggedApi("com.android.net.flags.tethering_with_soft_ap_config") @Nullable public String getInterfaceName();
     method @FlaggedApi("com.android.net.flags.tethering_with_soft_ap_config") @Nullable public String getPackageName();
     method @FlaggedApi("com.android.net.flags.tethering_with_soft_ap_config") public int getUid();
   }
 
+  public static class TetheringManager.TetheringRequest.Builder {
+    method @FlaggedApi("com.android.net.flags.tethering_with_soft_ap_config") @NonNull @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public android.net.TetheringManager.TetheringRequest.Builder setInterfaceName(@Nullable String);
+  }
+
 }
 
diff --git a/Tethering/common/TetheringLib/src/android/net/TetheringManager.java b/Tethering/common/TetheringLib/src/android/net/TetheringManager.java
index bc771da..6d6eb82 100644
--- a/Tethering/common/TetheringLib/src/android/net/TetheringManager.java
+++ b/Tethering/common/TetheringLib/src/android/net/TetheringManager.java
@@ -136,6 +136,7 @@
             TETHERING_WIFI_P2P,
             TETHERING_NCM,
             TETHERING_ETHERNET,
+            TETHERING_VIRTUAL,
     })
     public @interface TetheringType {
     }
@@ -253,6 +254,7 @@
     @Retention(RetentionPolicy.SOURCE)
     @IntDef(value = {
             TETHER_ERROR_SERVICE_UNAVAIL,
+            TETHER_ERROR_UNSUPPORTED,
             TETHER_ERROR_INTERNAL_ERROR,
             TETHER_ERROR_NO_CHANGE_TETHERING_PERMISSION,
             TETHER_ERROR_UNKNOWN_TYPE,
@@ -775,6 +777,7 @@
                 mBuilderParcel.connectivityScope = getDefaultConnectivityScope(type);
                 mBuilderParcel.uid = Process.INVALID_UID;
                 mBuilderParcel.softApConfig = null;
+                mBuilderParcel.interfaceName = null;
             }
 
             /**
@@ -821,6 +824,35 @@
             }
 
             /**
+             * Sets the name of the interface. Currently supported only for
+             * - {@link #TETHERING_VIRTUAL}.
+             * - {@link #TETHERING_WIFI} (for Local-only Hotspot)
+             * - {@link #TETHERING_WIFI_P2P}
+             * @hide
+             */
+            @FlaggedApi(Flags.FLAG_TETHERING_WITH_SOFT_AP_CONFIG)
+            @RequiresPermission(anyOf = {
+                    android.Manifest.permission.NETWORK_SETTINGS,
+                    android.Manifest.permission.NETWORK_STACK,
+                    NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+            })
+            @NonNull
+            @SystemApi(client = MODULE_LIBRARIES)
+            public Builder setInterfaceName(@Nullable final String interfaceName) {
+                switch (mBuilderParcel.tetheringType) {
+                    case TETHERING_VIRTUAL:
+                    case TETHERING_WIFI_P2P:
+                    case TETHERING_WIFI:
+                        break;
+                    default:
+                        throw new IllegalArgumentException("Interface name cannot be set for"
+                                + " tethering type " + interfaceName);
+                }
+                mBuilderParcel.interfaceName = interfaceName;
+                return this;
+            }
+
+            /**
              * Sets the connectivity scope to be provided by this tethering downstream.
              */
             @RequiresPermission(android.Manifest.permission.TETHER_PRIVILEGED)
@@ -906,6 +938,17 @@
         }
 
         /**
+         * Get interface name.
+         * @hide
+         */
+        @FlaggedApi(Flags.FLAG_TETHERING_WITH_SOFT_AP_CONFIG)
+        @Nullable
+        @SystemApi(client = MODULE_LIBRARIES)
+        public String getInterfaceName() {
+            return mRequestParcel.interfaceName;
+        }
+
+        /**
          * Check whether the two addresses are ipv4 and in the same prefix.
          * @hide
          */
@@ -1022,6 +1065,9 @@
             if (mRequestParcel.packageName != null) {
                 sj.add("packageName=" + mRequestParcel.packageName);
             }
+            if (mRequestParcel.interfaceName != null) {
+                sj.add("interfaceName=" + mRequestParcel.interfaceName);
+            }
             return sj.toString();
         }
 
@@ -1039,7 +1085,8 @@
                     && parcel.connectivityScope == otherParcel.connectivityScope
                     && Objects.equals(parcel.softApConfig, otherParcel.softApConfig)
                     && parcel.uid == otherParcel.uid
-                    && Objects.equals(parcel.packageName, otherParcel.packageName);
+                    && Objects.equals(parcel.packageName, otherParcel.packageName)
+                    && Objects.equals(parcel.interfaceName, otherParcel.interfaceName);
         }
 
         @Override
@@ -1048,7 +1095,7 @@
             return Objects.hash(parcel.tetheringType, parcel.localIPv4Address,
                     parcel.staticClientAddress, parcel.exemptFromEntitlementCheck,
                     parcel.showProvisioningUi, parcel.connectivityScope, parcel.softApConfig,
-                    parcel.uid, parcel.packageName);
+                    parcel.uid, parcel.packageName, parcel.interfaceName);
         }
     }
 
diff --git a/Tethering/common/TetheringLib/src/android/net/TetheringRequestParcel.aidl b/Tethering/common/TetheringLib/src/android/net/TetheringRequestParcel.aidl
index 789d5bb..97c9b9a 100644
--- a/Tethering/common/TetheringLib/src/android/net/TetheringRequestParcel.aidl
+++ b/Tethering/common/TetheringLib/src/android/net/TetheringRequestParcel.aidl
@@ -33,4 +33,5 @@
     SoftApConfiguration softApConfig;
     int uid;
     String packageName;
+    String interfaceName;
 }