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diff --git a/VNFs/DPPD-PROX/qinq.h b/VNFs/DPPD-PROX/qinq.h
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+/*
+// Copyright (c) 2010-2017 Intel Corporation
+//
+// 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.
+*/
+
+#ifndef _QINQ_H_
+#define _QINQ_H_
+
+#include <rte_ether.h>
+
+struct my_vlan_hdr {
+ uint16_t eth_proto;
+ uint16_t vlan_tci;
+} __attribute__((packed));
+
+struct vlans {
+ struct my_vlan_hdr svlan;
+ struct my_vlan_hdr cvlan;
+};
+
+struct qinq_hdr {
+ struct ether_addr d_addr;
+ struct ether_addr s_addr;
+ struct my_vlan_hdr svlan;
+ struct my_vlan_hdr cvlan;
+ uint16_t ether_type;
+} __attribute__((packed));
+
+#endif /* _QINQ_H_ */