kio
dhcp.h
Go to the documentation of this file.00001 /* This file is part of the KDE Libraries 00002 Copyright (c) 2001 Malte Starostik <malte@kde.org> 00003 00004 This library is free software; you can redistribute it and/or 00005 modify it under the terms of the GNU Library General Public 00006 License version 2 as published by the Free Software Foundation. 00007 00008 This library is distributed in the hope that it will be useful, 00009 but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00011 Library General Public License for more details. 00012 00013 You should have received a copy of the GNU Library General Public License 00014 along with this library; see the file COPYING.LIB. If not, write to 00015 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00016 Boston, MA 02110-1301, USA. 00017 */ 00018 00019 00020 /* See RFC 2131 for details */ 00021 00022 #ifndef __dhcp_h__ 00023 #define __dhcp_h__ 00024 00025 #ifdef HAVE_STDINT_H 00026 # include <stdint.h> 00027 #endif 00028 00029 #define DHCP_OPT_LEN 312 00030 00031 struct dhcp_msg 00032 { 00033 #define DHCP_BOOTREQUEST 1 00034 #define DHCP_BOOTREPLY 2 00035 uint8_t op; /* operation */ 00036 uint8_t htype; /* hwaddr type */ 00037 uint8_t hlen; /* hwaddr len */ 00038 uint8_t hops; 00039 uint32_t xid; /* transaction id */ 00040 uint16_t secs; /* seconds since protocol start */ 00041 #define DHCP_BROADCAST 1 00042 uint16_t flags; 00043 uint32_t ciaddr; /* client IP */ 00044 uint32_t yiaddr; /* "your" IP */ 00045 uint32_t siaddr; /* server IP */ 00046 uint32_t giaddr; /* gateway IP */ 00047 uint8_t chaddr[16]; /* client hwaddr */ 00048 uint8_t sname[64]; /* server name */ 00049 uint8_t file[128]; /* bootstrap file */ 00050 uint8_t options[DHCP_OPT_LEN]; 00051 }; 00052 00053 /* first four bytes in options */ 00054 #define DHCP_MAGIC1 0x63 00055 #define DHCP_MAGIC2 0x82 00056 #define DHCP_MAGIC3 0x53 00057 #define DHCP_MAGIC4 0x63 00058 00059 /* DHCP message types */ 00060 #define DHCP_DISCOVER 1 00061 #define DHCP_OFFER 2 00062 #define DHCP_REQUEST 3 00063 #define DHCP_DECLINE 4 00064 #define DHCP_ACK 5 00065 #define DHCP_NAK 6 00066 #define DHCP_RELEASE 7 00067 #define DHCP_INFORM 8 00068 00069 /* option types */ 00070 #define DHCP_OPT_MSGTYPE 0x35 00071 #define DHCP_OPT_PARAMREQ 0x37 00072 #define DHCP_OPT_WPAD 0xfc 00073 #define DHCP_OPT_END 0xff 00074 00075 #endif 00076 00077 /* vim: ts=4 sw=4 noet 00078 */