| /* |
| * 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 com.android.net.module.util.Struct; |
| import com.android.net.module.util.Struct.Field; |
| import com.android.net.module.util.Struct.Type; |
| |
| import java.net.Inet6Address; |
| |
| /** |
| * ICMPv6 Neighbor Solicitation header, follow {@link Icmpv6Header}, as per |
| * https://tools.ietf.org/html/rfc4861. This does not contain any option. |
| * |
| * 0 1 2 3 |
| * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| * | Type | Code | Checksum | |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| * | Reserved | |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| * | | |
| * + + |
| * | | |
| * + Target Address + |
| * | | |
| * + + |
| * | | |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| * | Options ... |
| * +-+-+-+-+-+-+-+-+-+-+-+- |
| */ |
| public class NsHeader extends Struct { |
| @Field(order = 0, type = Type.S32) |
| public int reserved; // 32 Reserved bits. |
| @Field(order = 1, type = Type.Ipv6Address) |
| public Inet6Address target; |
| |
| NsHeader(int reserved, final Inet6Address target) { |
| this.reserved = reserved; |
| this.target = target; |
| } |
| |
| public NsHeader(final Inet6Address target) { |
| this(0, target); |
| } |
| } |