nuttx-apps/include/netutils/dhcpc.h

88 lines
3.3 KiB
C

/****************************************************************************
* apps/include/netutils/dhcpc.h
*
* Copyright (C) 2007, 2009-2011, 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* This logic was leveraged from uIP which also has a BSD-style license:
*
* 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.
*/
#ifndef __APPS_INCLUDE_NETUTILS_DHCPC_H
#define __APPS_INCLUDE_NETUTILS_DHCPC_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdint.h>
#include <netinet/in.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Types
****************************************************************************/
struct dhcpc_state
{
struct in_addr serverid;
struct in_addr ipaddr;
struct in_addr netmask;
struct in_addr dnsaddr;
struct in_addr default_router;
uint32_t lease_time; /* Lease expires in this number of seconds */
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
FAR void *dhcpc_open(FAR const void *mac_addr, int mac_len);
int dhcpc_request(FAR void *handle, FAR struct dhcpc_state *presult);
void dhcpc_close(FAR void *handle);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __APPS_INCLUDE_NETUTILS_DHCPC_H */