| /* |
| * Copyright (C) 2021 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 com.android.net.module.util.structs; |
| |
| import android.net.MacAddress; |
| |
| import com.android.net.module.util.Struct; |
| import com.android.net.module.util.Struct.Field; |
| import com.android.net.module.util.Struct.Type; |
| |
| /** |
| * L2 ethernet header as per IEEE 802.3. Does not include a 802.1Q tag. |
| * |
| * 0 1 |
| * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| * | Destination | |
| * +- -+ |
| * | Ethernet | |
| * +- -+ |
| * | Address | |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| * | Source | |
| * +- -+ |
| * | Ethernet | |
| * +- -+ |
| * | Address | |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| * | EtherType | |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| */ |
| public class EthernetHeader extends Struct { |
| @Field(order = 0, type = Type.EUI48) |
| public final MacAddress dstMac; |
| @Field(order = 1, type = Type.EUI48) |
| public final MacAddress srcMac; |
| @Field(order = 2, type = Type.U16) |
| public final int etherType; |
| |
| public EthernetHeader(final MacAddress dstMac, final MacAddress srcMac, |
| final int etherType) { |
| this.dstMac = dstMac; |
| this.srcMac = srcMac; |
| this.etherType = etherType; |
| } |
| } |