--- /dev/null
+# Copyright (C) 2012 Nippon Telegraph and Telephone 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.
+
+
+ETH_TYPE_IP = 0x0800
+ETH_TYPE_ARP = 0x0806
+ETH_TYPE_TEB = 0x6558
+ETH_TYPE_8021Q = 0x8100
+ETH_TYPE_IPV6 = 0x86dd
+ETH_TYPE_SLOW = 0x8809
+ETH_TYPE_MPLS = 0x8847
+ETH_TYPE_8021AD = 0x88a8
+ETH_TYPE_LLDP = 0x88cc
+ETH_TYPE_8021AH = 0x88e7
+ETH_TYPE_IEEE802_3 = 0x05dc
+ETH_TYPE_CFM = 0x8902
+ETH_TYPE_NSH = 0x894f # RFC8300