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diff --git a/msm8998/hal/inc/CtUpdateAmbassador.h b/msm8998/hal/inc/CtUpdateAmbassador.h
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+++ b/msm8998/hal/inc/CtUpdateAmbassador.h
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+/*
+ * Copyright (c) 2017, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above
+ *      copyright notice, this list of conditions and the following
+ *      disclaimer in the documentation and/or other materials provided
+ *      with the distribution.
+ *    * Neither the name of The Linux Foundation nor the names of its
+ *      contributors may be used to endorse or promote products derived
+ *      from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef _CT_UPDATE_AMBASSADOR_H_
+#define _CT_UPDATE_AMBASSADOR_H_
+/* External Includes */
+#include <hidl/HidlTransportSupport.h>
+
+/* HIDL Includes */
+#include <android/hardware/tetheroffload/control/1.0/ITetheringOffloadCallback.h>
+
+/* Internal Includes */
+#include "IOffloadManager.h"
+
+/* Namespace pollution avoidance */
+using ::android::hardware::tetheroffload::control::V1_0::ITetheringOffloadCallback;
+using ::android::hardware::tetheroffload::control::V1_0::NetworkProtocol;
+using HALIpAddrPortPair = ::android::hardware::tetheroffload::control::V1_0::IPv4AddrPortPair;
+using HALNatTimeoutUpdate = ::android::hardware::tetheroffload::control::V1_0::NatTimeoutUpdate;
+
+using IpaIpAddrPortPair = ::IOffloadManager::ConntrackTimeoutUpdater::IpAddrPortPair;
+using IpaNatTimeoutUpdate = ::IOffloadManager::ConntrackTimeoutUpdater::NatTimeoutUpdate;
+using IpaL4Protocol = ::IOffloadManager::ConntrackTimeoutUpdater::L4Protocol;
+
+
+class CtUpdateAmbassador : public IOffloadManager::ConntrackTimeoutUpdater {
+public:
+    CtUpdateAmbassador(const ::android::sp<ITetheringOffloadCallback>& /* cb */);
+    /* ------------------- CONNTRACK TIMEOUT UPDATER ------------------------ */
+    void updateTimeout(IpaNatTimeoutUpdate /* update */);
+private:
+    static bool translate(IpaNatTimeoutUpdate /* in */, HALNatTimeoutUpdate& /* out */);
+    static bool translate(IpaIpAddrPortPair /* in */, HALIpAddrPortPair& /* out */);
+    static bool L4ToNetwork(IpaL4Protocol /* in */, NetworkProtocol& /* out */);
+    const ::android::sp<ITetheringOffloadCallback>& mFramework;
+}; /* CtUpdateAmbassador */
+#endif /* _CT_UPDATE_AMBASSADOR_H_ */
+\ No newline at end of file