| /* |
| * Copyright (C) 2018 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.server.util; |
| |
| /** |
| * Network constants used by the network stack. |
| */ |
| public final class NetworkStackConstants { |
| |
| /** |
| * IPv4 constants. |
| * |
| * See also: |
| * - https://tools.ietf.org/html/rfc791 |
| */ |
| public static final int IPV4_ADDR_BITS = 32; |
| public static final int IPV4_MIN_MTU = 68; |
| public static final int IPV4_MAX_MTU = 65_535; |
| |
| /** |
| * DHCP constants. |
| * |
| * See also: |
| * - https://tools.ietf.org/html/rfc2131 |
| */ |
| public static final int INFINITE_LEASE = 0xffffffff; |
| |
| private NetworkStackConstants() { |
| throw new UnsupportedOperationException("This class is not to be instantiated"); |
| } |
| } |