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/opentcp/include/inet/dhcp/dhcpc.h

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00001 /*
00002  *Copyright (c) 2000-2002 Viola Systems Ltd.
00003  *All rights reserved.
00004  *
00005  *Redistribution and use in source and binary forms, with or without 
00006  *modification, are permitted provided that the following conditions 
00007  *are met:
00008  *
00009  *1. Redistributions of source code must retain the above copyright 
00010  *notice, this list of conditions and the following disclaimer.
00011  *
00012  *2. Redistributions in binary form must reproduce the above copyright 
00013  *notice, this list of conditions and the following disclaimer in the 
00014  *documentation and/or other materials provided with the distribution.
00015  *
00016  *3. The end-user documentation included with the redistribution, if 
00017  *any, must include the following acknowledgment:
00018  *      "This product includes software developed by Viola 
00019  *      Systems (http://www.violasystems.com/)."
00020  *
00021  *Alternately, this acknowledgment may appear in the software itself, 
00022  *if and wherever such third-party acknowledgments normally appear.
00023  *
00024  *4. The names "OpenTCP" and "Viola Systems" must not be used to 
00025  *endorse or promote products derived from this software without prior 
00026  *written permission. For written permission, please contact 
00027  *opentcp@opentcp.org.
00028  *
00029  *5. Products derived from this software may not be called "OpenTCP", 
00030  *nor may "OpenTCP" appear in their name, without prior written 
00031  *permission of the Viola Systems Ltd.
00032  *
00033  *THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED 
00034  *WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
00035  *MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
00036  *IN NO EVENT SHALL VIOLA SYSTEMS LTD. OR ITS CONTRIBUTORS BE LIABLE 
00037  *FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
00038  *CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
00039  *SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 
00040  *BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
00041  *WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
00042  *OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
00043  *EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00044  *====================================================================
00045  *
00046  *OpenTCP is the unified open source TCP/IP stack available on a series 
00047  *of 8/16-bit microcontrollers, please see <http://www.opentcp.org>.
00048  *
00049  *For more information on how to network-enable your devices, or how to 
00050  *obtain commercial technical support for OpenTCP, please see 
00051  *<http://www.violasystems.com/>.
00052  */
00053 
00064 #ifndef INCLUDE_DHCPC_H
00065 #define INCLUDE_DHCPC_H
00066 
00067 #include <inet/datatypes.h>
00068 
00069 #define DHCP_SERVER_PORT        67
00070 #define DHCP_CLIENT_PORT        68
00071 
00072 #define BOOT_REQUEST    1
00073 #define BOOT_REPLY              2
00074 
00075 /* DHCP client states */
00076 #define DHCP_STATE_INIT_REBOOT  0
00077 #define DHCP_STATE_REBOOTING    1
00078 #define DHCP_STATE_INIT                 2
00079 #define DHCP_STATE_SELECTING    3
00080 #define DHCP_STATE_REQUESTING   4
00081 #define DHCP_STATE_BOUND                5
00082 #define DHCP_STATE_RENEWING             6
00083 #define DHCP_STATE_REBINDING    7
00084 
00085 /* DHCP messages */
00086 #define DHCP_DISCOVER   1
00087 #define DHCP_OFFER              2
00088 #define DHCP_REQUEST    3
00089 #define DHCP_DECLINE    4
00090 #define DHCP_ACK                5
00091 #define DHCP_NAK                6
00092 #define DHCP_RELEASE    7
00093 #define DHCP_INFORM             8
00094 
00095 /* DHCP options */
00096 #define DHCP_OPT_PAD                    0
00097 #define DHCP_OPT_END                    255
00098 #define DHCP_OPT_SUBNET_MASK    1
00099 #define DHCP_OPT_TIME_OFFSET    2
00100 #define DHCP_OPT_ROUTER                 3
00101 #define DHCP_OPT_TIME_SERVER    4
00102 #define DHCP_OPT_NAME_SERVER    5
00103 #define DHCP_OPT_DNS_SERVER             6
00104 #define DHCP_OPT_HOST_NAME              12
00105 #define DHCP_OPT_POP3_SERVER    70
00106 #define DHCP_OPT_REQUESTED_IP   50
00107 #define DHCP_OPT_LEASE_TIME             51
00108 #define DHCP_OPT_OVERLOAD               52
00109 #define DHCP_OPT_MSG_TYPE               53
00110 #define DHCP_OPT_SERV_IDENT             54
00111 #define DHCP_OPT_PARAM_REQUEST  55
00112 #define DHCP_OPT_T1_VALUE               58
00113 #define DHCP_OPT_T2_VALUE               59
00114 
00115 INT8 dhcpc_init(void);
00116 void dhcpc_run(void);
00117 
00118 #endif

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