diff --git a/bluetooth/socket/aidl/Android.bp b/bluetooth/socket/aidl/Android.bp
new file mode 100644
index 0000000..44e7f5a
--- /dev/null
+++ b/bluetooth/socket/aidl/Android.bp
@@ -0,0 +1,40 @@
+// Copyright (C) 2024 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+aidl_interface {
+    name: "android.hardware.bluetooth.socket",
+    vendor_available: true,
+    host_supported: true,
+    srcs: ["android/hardware/bluetooth/socket/*.aidl"],
+    stability: "vintf",
+    backend: {
+        ndk: {
+            apex_available: [
+                "//apex_available:platform",
+                "com.android.btservices",
+            ],
+            min_sdk_version: "33",
+        },
+    },
+    frozen: false,
+}
diff --git a/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/ChannelInfo.aidl b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/ChannelInfo.aidl
new file mode 100644
index 0000000..c9f81bb
--- /dev/null
+++ b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/ChannelInfo.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.socket;
+@VintfStability
+union ChannelInfo {
+  android.hardware.bluetooth.socket.LeCocChannelInfo leCocChannelInfo;
+}
diff --git a/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/IBluetoothSocket.aidl b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/IBluetoothSocket.aidl
new file mode 100644
index 0000000..a961692
--- /dev/null
+++ b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/IBluetoothSocket.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.socket;
+@VintfStability
+interface IBluetoothSocket {
+  void registerCallback(in android.hardware.bluetooth.socket.IBluetoothSocketCallback callback);
+  android.hardware.bluetooth.socket.SocketCapabilities getSocketCapabilities();
+  void opened(in android.hardware.bluetooth.socket.SocketContext context);
+  void closed(long socketId);
+}
diff --git a/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/IBluetoothSocketCallback.aidl b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/IBluetoothSocketCallback.aidl
new file mode 100644
index 0000000..35bfb5b
--- /dev/null
+++ b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/IBluetoothSocketCallback.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.socket;
+@VintfStability
+interface IBluetoothSocketCallback {
+  void openedComplete(long socketId, in android.hardware.bluetooth.socket.Status status, in String reason);
+  void close(long socketId, in String reason);
+}
diff --git a/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/LeCocCapabilities.aidl b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/LeCocCapabilities.aidl
new file mode 100644
index 0000000..447daa9
--- /dev/null
+++ b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/LeCocCapabilities.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.socket;
+@VintfStability
+parcelable LeCocCapabilities {
+  int numberOfSupportedSockets;
+  int mtu;
+}
diff --git a/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/LeCocChannelInfo.aidl b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/LeCocChannelInfo.aidl
new file mode 100644
index 0000000..4d6fcb7
--- /dev/null
+++ b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/LeCocChannelInfo.aidl
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.socket;
+@VintfStability
+parcelable LeCocChannelInfo {
+  int localCid;
+  int remoteCid;
+  int psm;
+  int localMtu;
+  int remoteMtu;
+  int localMps;
+  int remoteMps;
+  int initialRxCredits;
+  int initialTxCredits;
+}
diff --git a/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/SocketCapabilities.aidl b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/SocketCapabilities.aidl
new file mode 100644
index 0000000..9b18926
--- /dev/null
+++ b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/SocketCapabilities.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.socket;
+@VintfStability
+parcelable SocketCapabilities {
+  android.hardware.bluetooth.socket.LeCocCapabilities leCocCapabilities;
+}
diff --git a/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/SocketContext.aidl b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/SocketContext.aidl
new file mode 100644
index 0000000..e5b31c2
--- /dev/null
+++ b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/SocketContext.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.socket;
+@VintfStability
+parcelable SocketContext {
+  long socketId;
+  String name;
+  int aclConnectionHandle;
+  android.hardware.bluetooth.socket.ChannelInfo channelInfo;
+  long hubId;
+  long endpointId;
+}
diff --git a/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/Status.aidl b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/Status.aidl
new file mode 100644
index 0000000..63f57a9
--- /dev/null
+++ b/bluetooth/socket/aidl/aidl_api/android.hardware.bluetooth.socket/current/android/hardware/bluetooth/socket/Status.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.socket;
+@Backing(type="int") @VintfStability
+enum Status {
+  SUCCESS,
+  FAILURE,
+}
diff --git a/bluetooth/socket/aidl/android/hardware/bluetooth/socket/ChannelInfo.aidl b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/ChannelInfo.aidl
new file mode 100644
index 0000000..415c34f
--- /dev/null
+++ b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/ChannelInfo.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.socket;
+
+import android.hardware.bluetooth.socket.LeCocChannelInfo;
+
+/**
+ * Used to specify the channel information of different protocol.
+ */
+@VintfStability
+union ChannelInfo {
+    /**
+     * LE L2CAP COC channel information.
+     */
+    LeCocChannelInfo leCocChannelInfo;
+}
diff --git a/bluetooth/socket/aidl/android/hardware/bluetooth/socket/IBluetoothSocket.aidl b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/IBluetoothSocket.aidl
new file mode 100644
index 0000000..5853c10
--- /dev/null
+++ b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/IBluetoothSocket.aidl
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.socket;
+
+import android.hardware.bluetooth.socket.IBluetoothSocketCallback;
+import android.hardware.bluetooth.socket.SocketCapabilities;
+import android.hardware.bluetooth.socket.SocketContext;
+
+/**
+ * The interface for host stack to register callback, get capabilities, and open/close socket.
+ */
+@VintfStability
+interface IBluetoothSocket {
+    /**
+     * API to register a callback for HAL implementation to send asynchronous events.
+     *
+     * @param callback An instance of the |IBluetoothSocketCallback| AIDL interface object
+     */
+    void registerCallback(in IBluetoothSocketCallback callback);
+
+    /**
+     * API to get supported offload socket capabilities.
+     *
+     * @return a socket capabilities
+     */
+    SocketCapabilities getSocketCapabilities();
+
+    /**
+     * API to notify the offload stack that the socket is opened.
+     *
+     * The HAL implementation must use IBluetoothSocketCallback.openedComplete() to indicate the
+     * result of this operation
+     *
+     * @param context Socket context including socket id, channel, hub, and endpoint info
+     */
+    void opened(in SocketContext context);
+
+    /**
+     * API to notify the offload stack that the socket is closed.
+     *
+     * When host app requests to close a socket or the HAL calls IBluetoothSocketCallback.close(),
+     * the host stack closes the socket and sends the notification.
+     *
+     * @param socketId Identifier assigned to the socket by the host stack
+     */
+    void closed(long socketId);
+}
diff --git a/bluetooth/socket/aidl/android/hardware/bluetooth/socket/IBluetoothSocketCallback.aidl b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/IBluetoothSocketCallback.aidl
new file mode 100644
index 0000000..7cd635d
--- /dev/null
+++ b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/IBluetoothSocketCallback.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.socket;
+
+import android.hardware.bluetooth.socket.Status;
+
+/**
+ * The interface from the Bluetooth offload socket to the host stack.
+ */
+@VintfStability
+interface IBluetoothSocketCallback {
+    /**
+     * Invoked when IBluetoothSocket.opened() has been completed.
+     *
+     * @param socketId Identifier assigned to the socket by the host stack
+     * @param status Status indicating success or failure
+     * @param reason Reason string of the operation failure for debugging purposes
+     */
+    void openedComplete(long socketId, in Status status, in String reason);
+
+    /**
+     * Invoked when offload app or stack requests host stack to close the socket.
+     *
+     * @param socketId Identifier assigned to the socket by the host stack
+     * @param reason Reason string for closing the socket for debugging purposes
+     */
+    void close(long socketId, in String reason);
+}
diff --git a/bluetooth/socket/aidl/android/hardware/bluetooth/socket/LeCocCapabilities.aidl b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/LeCocCapabilities.aidl
new file mode 100644
index 0000000..003da11
--- /dev/null
+++ b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/LeCocCapabilities.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.socket;
+
+/**
+ * Capabilities for LE L2CAP COC that the offload stack supports.
+ */
+@VintfStability
+parcelable LeCocCapabilities {
+    /**
+     * Maximum number of LE COC sockets supported. If not supported, the value must be zero.
+     */
+    int numberOfSupportedSockets;
+
+    /**
+     * Local Maximum Transmission Unit size in octets. The MTU size must be in range 23 to 65535.
+     *
+     * The actual value of the local MTU shared in the connection configuration is set in
+     * LeCocChannelInfo.localMtu in the IBluetoothSocket.opened() context parameter.
+     */
+    int mtu;
+
+    /**
+     * The value used by the Host stack for the local Maximum Packet Size shall be the value
+     * LE_ACL_Data_Packet_Length returned by the controller in response to the command HCI LE Read
+     * Buffer Size. Then, the MPS size must be in range 1 to 255. We do not make the MPS
+     * configurable in HAL because using the maximum value does not require a large amount of
+     * memory.
+     */
+}
diff --git a/bluetooth/socket/aidl/android/hardware/bluetooth/socket/LeCocChannelInfo.aidl b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/LeCocChannelInfo.aidl
new file mode 100644
index 0000000..af1bd71
--- /dev/null
+++ b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/LeCocChannelInfo.aidl
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.socket;
+
+/**
+ * LE L2CAP COC channel information
+ */
+@VintfStability
+parcelable LeCocChannelInfo {
+    /**
+     * L2cap local channel ID.
+     */
+    int localCid;
+
+    /**
+     * L2cap remote channel ID.
+     */
+    int remoteCid;
+
+    /**
+     * PSM for L2CAP LE CoC.
+     */
+    int psm;
+
+    /**
+     * Local Maximum Transmission Unit for LE COC specifying the maximum SDU size in bytes that the
+     * local L2CAP layer can receive.
+     */
+    int localMtu;
+
+    /**
+     * Remote Maximum Transmission Unit for LE COC specifying the maximum SDU size in bytes that the
+     * remote L2CAP layer can receive.
+     */
+    int remoteMtu;
+
+    /**
+     * Local Maximum PDU payload Size in bytes that the local L2CAP layer can receive.
+     */
+    int localMps;
+
+    /**
+     * Remote Maximum PDU payload Size in bytes that the remote L2CAP layer can receive.
+     */
+    int remoteMps;
+
+    /**
+     * Protocol initial credits at Rx path.
+     *
+     * The host stack will always set the initial credits to 0 when configuring the L2CAP COC
+     * channel, and this value will always be zero. It means offload stack should send initial
+     * credits to peer device through L2CAP signaling command L2CAP_FLOW_CONTROL_CREDIT_IND when
+     * IBluetoothSocket.opened() is successful.
+     */
+    int initialRxCredits;
+
+    /**
+     * Protocol initial credits at Tx path.
+     */
+    int initialTxCredits;
+}
diff --git a/bluetooth/socket/aidl/android/hardware/bluetooth/socket/SocketCapabilities.aidl b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/SocketCapabilities.aidl
new file mode 100644
index 0000000..9c7bced
--- /dev/null
+++ b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/SocketCapabilities.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.socket;
+
+import android.hardware.bluetooth.socket.LeCocCapabilities;
+
+/**
+ * Supported socket protocol capabilities.
+ */
+@VintfStability
+parcelable SocketCapabilities {
+    /**
+     * Supported LE CoC protocol capabilities.
+     */
+    LeCocCapabilities leCocCapabilities;
+}
diff --git a/bluetooth/socket/aidl/android/hardware/bluetooth/socket/SocketContext.aidl b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/SocketContext.aidl
new file mode 100644
index 0000000..5e9be31
--- /dev/null
+++ b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/SocketContext.aidl
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.socket;
+
+import android.hardware.bluetooth.socket.ChannelInfo;
+
+/**
+ * Socket context.
+ */
+@VintfStability
+parcelable SocketContext {
+    /**
+     * Identifier assigned to the socket by the host stack when the socket is connected to a remote
+     * device. Used to uniquely identify the socket in other callbacks and method invocations. It is
+     * valid only while the socket is connected.
+     */
+    long socketId;
+
+    /**
+     * Descriptive socket name provided by the host app when it creates this socket. This is not
+     * unique across the system, but can help the offload app understand the purpose of the socket
+     * when it receives a socket connection event.
+     */
+    String name;
+
+    /**
+     * ACL connection handle for the socket.
+     */
+    int aclConnectionHandle;
+
+    /**
+     * Channel information of the socket protocol.
+     */
+    ChannelInfo channelInfo;
+
+    /**
+     * The ID of the Hub to which the end point belongs for hardware offload data path.
+     */
+    long hubId;
+
+    /**
+     * The ID of the Hub endpoint for hardware offload data path.
+     */
+    long endpointId;
+}
diff --git a/bluetooth/socket/aidl/android/hardware/bluetooth/socket/Status.aidl b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/Status.aidl
new file mode 100644
index 0000000..d881b09
--- /dev/null
+++ b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/Status.aidl
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.socket;
+
+@VintfStability
+@Backing(type="int")
+enum Status {
+    SUCCESS,
+    FAILURE,
+}