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/*
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* Copyright (c) 2005, Swedish Institute of Computer Science
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the uIP TCP/IP stack
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*
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*/
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#ifndef __DHCPC_H__
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#define __DHCPC_H__
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#include <time.h>
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#include "nic.h"
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#include "timer.h"
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#include "pt.h"
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#include "uip.h"
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#define STATE_INITIAL 0
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#define STATE_SENDING 1
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#define STATE_OFFER_RECEIVED 2
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#define STATE_CONFIG_RECEIVED 3
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struct dhcpc_state {
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struct pt pt;
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nic_t *nic;
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struct uip_stack *ustack;
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char state;
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struct uip_udp_conn *conn;
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struct timer timer;
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u32_t ticks;
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const void *mac_addr;
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int mac_len;
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u8_t serverid[4];
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u16_t lease_time[2];
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u32_t lease_time_nl32;
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u16_t ipaddr[2];
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u16_t netmask[2];
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u16_t dnsaddr[2];
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u16_t default_router[2];
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time_t last_update;
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};
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struct dhcpc_options {
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u8_t enable_random_xid;
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u8_t xid[4];
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};
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int dhcpc_init(nic_t *nic, struct uip_stack *ustack,
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const void *mac_addr, int mac_len);
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void dhcpc_request(struct uip_stack *ustack);
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void dhcpc_appcall(struct uip_stack *ustack);
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void dhcpc_configured(const struct dhcpc_state *s);
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#define UIP_UDP_APPCALL dhcpc_appcall
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#endif /* __DHCPC_H__ */
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