dhcpc.h

00001 /*
00002  * Copyright (c) 2005, Swedish Institute of Computer Science
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  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the Institute nor the names of its contributors
00014  *    may be used to endorse or promote products derived from this software
00015  *    without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00027  * SUCH DAMAGE.
00028  *
00029  * This file is part of the uIP TCP/IP stack
00030  *
00031  * @(#)$Id: dhcpc.h,v 1.3 2006/06/11 21:46:37 adam Exp $
00032  */
00033 #ifndef __DHCPC_H__
00034 #define __DHCPC_H__
00035 
00036 #include "timer.h"
00037 #include "pt.h"
00038 
00039 struct dhcpc_state {
00040   struct pt pt;
00041   char state;
00042   struct uip_udp_conn *conn;
00043   struct timer timer;
00044   u16_t ticks;
00045   const void *mac_addr;
00046   int mac_len;
00047   
00048   u8_t serverid[4];
00049 
00050   u16_t lease_time[2];
00051   u16_t ipaddr[2];
00052   u16_t netmask[2];
00053   u16_t dnsaddr[2];
00054   u16_t default_router[2];
00055 };
00056 
00057 void dhcpc_init(const void *mac_addr, int mac_len);
00058 void dhcpc_request(void);
00059 
00060 void dhcpc_appcall(void);
00061 
00062 void dhcpc_configured(const struct dhcpc_state *s);
00063 
00064 typedef struct dhcpc_state uip_udp_appstate_t;
00065 #define UIP_UDP_APPCALL dhcpc_appcall
00066 
00067 
00068 #endif /* __DHCPC_H__ */

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