1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.system; 18 19 import libcore.util.Objects; 20 import java.net.SocketAddress; 21 22 /** 23 * Packet socket address. 24 * 25 * Corresponds to Linux's {@code struct sockaddr_ll}. 26 * 27 * @hide 28 */ 29 public final class PacketSocketAddress extends SocketAddress { 30 /** Protocol. An Ethernet protocol type, e.g., {@code ETH_P_IPV6}. */ 31 public short sll_protocol; 32 33 /** Interface index. */ 34 public int sll_ifindex; 35 36 /** ARP hardware type. One of the {@code ARPHRD_*} constants. */ 37 public short sll_hatype; 38 39 /** Packet type. One of the {@code PACKET_*} constants, such as {@code PACKET_OTHERHOST}. */ 40 public byte sll_pkttype; 41 42 /** Hardware address. */ 43 public byte[] sll_addr; 44 45 /** Constructs a new PacketSocketAddress. */ PacketSocketAddress(short sll_protocol, int sll_ifindex, short sll_hatype, byte sll_pkttype, byte[] sll_addr)46 public PacketSocketAddress(short sll_protocol, int sll_ifindex, 47 short sll_hatype, byte sll_pkttype, byte[] sll_addr) { 48 this.sll_protocol = sll_protocol; 49 this.sll_ifindex = sll_ifindex; 50 this.sll_hatype = sll_hatype; 51 this.sll_pkttype = sll_pkttype; 52 this.sll_addr = sll_addr; 53 } 54 55 /** Constructs a new PacketSocketAddress suitable for binding to. */ PacketSocketAddress(short sll_protocol, int sll_ifindex)56 public PacketSocketAddress(short sll_protocol, int sll_ifindex) { 57 this(sll_protocol, sll_ifindex, (short) 0, (byte) 0, null); 58 } 59 60 /** Constructs a new PacketSocketAddress suitable for sending to. */ PacketSocketAddress(int sll_ifindex, byte[] sll_addr)61 public PacketSocketAddress(int sll_ifindex, byte[] sll_addr) { 62 this((short) 0, sll_ifindex, (short) 0, (byte) 0, sll_addr); 63 } 64 } 65