1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Copyright 2008, The Android Open Source Project 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * you may not use this file except in compliance with the License. 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * You may obtain a copy of the License at 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * See the License for the specific language governing permissions and 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * limitations under the License. 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#ifndef _WIFI_DHCP_H_ 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define _WIFI_DHCP_H_ 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/types.h> 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define PORT_BOOTP_SERVER 67 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define PORT_BOOTP_CLIENT 68 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* RFC 2131 p 9 */ 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projecttypedef struct dhcp_msg dhcp_msg; 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OP_BOOTREQUEST 1 29dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OP_BOOTREPLY 2 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define FLAGS_BROADCAST 0x8000 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define HTYPE_ETHER 1 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstruct dhcp_msg 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint8_t op; /* BOOTREQUEST / BOOTREPLY */ 38dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint8_t htype; /* hw addr type */ 39dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint8_t hlen; /* hw addr len */ 40dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint8_t hops; /* client set to 0 */ 41dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 42dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint32_t xid; /* transaction id */ 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint16_t secs; /* seconds since start of acq */ 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint16_t flags; 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint32_t ciaddr; /* client IP addr */ 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint32_t yiaddr; /* your (client) IP addr */ 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint32_t siaddr; /* ip addr of next server */ 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project /* (DHCPOFFER and DHCPACK) */ 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint32_t giaddr; /* relay agent IP addr */ 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint8_t chaddr[16]; /* client hw addr */ 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char sname[64]; /* asciiz server hostname */ 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char file[128]; /* asciiz boot file name */ 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint8_t options[1024]; /* optional parameters */ 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DHCP_MSG_FIXED_SIZE 236 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* first four bytes of options are a cookie to indicate that 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** the payload are DHCP options as opposed to some other BOOTP 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** extension. 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project*/ 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_COOKIE1 0x63 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_COOKIE2 0x82 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_COOKIE3 0x53 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_COOKIE4 0x63 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* BOOTP/DHCP options - see RFC 2132 */ 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_PAD 0 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_SUBNET_MASK 1 /* 4 <ipaddr> */ 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_TIME_OFFSET 2 /* 4 <seconds> */ 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_GATEWAY 3 /* 4*n <ipaddr> * n */ 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_DNS 6 /* 4*n <ipaddr> * n */ 78dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_DOMAIN_NAME 15 /* n <domainnamestring> */ 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_BROADCAST_ADDR 28 /* 4 <ipaddr> */ 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 81dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_REQUESTED_IP 50 /* 4 <ipaddr> */ 82dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_LEASE_TIME 51 /* 4 <seconds> */ 83dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_MESSAGE_TYPE 53 /* 1 <msgtype> */ 84dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_SERVER_ID 54 /* 4 <ipaddr> */ 85dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_PARAMETER_LIST 55 /* n <optcode> * n */ 86dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_MESSAGE 56 /* n <errorstring> */ 87dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_CLASS_ID 60 /* n <opaque> */ 88dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_CLIENT_ID 61 /* n <opaque> */ 89dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define OPT_END 255 90dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 91dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* DHCP message types */ 92dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DHCPDISCOVER 1 93dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DHCPOFFER 2 94dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DHCPREQUEST 3 95dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DHCPDECLINE 4 96dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DHCPACK 5 97dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DHCPNAK 6 98dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DHCPRELEASE 7 99dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DHCPINFORM 8 100dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 101dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint init_dhcp_discover_msg(dhcp_msg *msg, void *hwaddr, uint32_t xid); 102dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 103dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint init_dhcp_request_msg(dhcp_msg *msg, void *hwaddr, uint32_t xid, 104dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint32_t ipaddr, uint32_t serveraddr); 105dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 106dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#endif 107