smart-green-house/rtt-uart-nb/rt-thread/components/net/uip/apps/dhcpc/dhcpc.h

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2023-10-28 18:00:47 +08:00
/*
* Copyright (c) 2005, Swedish Institute of Computer Science
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* @(#)$Id: dhcpc.h,v 1.3 2006/06/11 21:46:37 adam Exp $
*/
#ifndef __DHCPC_H__
#define __DHCPC_H__
#include "timer.h"
#include "pt.h"
struct dhcpc_state {
struct pt pt;
char state;
struct uip_udp_conn *conn;
struct timer timer;
u16_t ticks;
const void *mac_addr;
int mac_len;
u8_t serverid[4];
u16_t lease_time[2];
u16_t ipaddr[2];
u16_t netmask[2];
u16_t dnsaddr[2];
u16_t default_router[2];
};
void dhcpc_init(const void *mac_addr, int mac_len);
void dhcpc_request(void);
void dhcpc_appcall(void);
void dhcpc_configured(const struct dhcpc_state *s);
typedef struct dhcpc_state uip_udp_appstate_t;
#define UIP_UDP_APPCALL dhcpc_appcall
#endif /* __DHCPC_H__ */