You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
161 lines
5.2 KiB
C
161 lines
5.2 KiB
C
//*****************************************************************************
|
|
//
|
|
//! \file dhcp.h
|
|
//! \brief DHCP APIs Header file.
|
|
//! \details Processig DHCP protocol as DISCOVER, OFFER, REQUEST, ACK, NACK and DECLINE.
|
|
//! \version 1.1.0
|
|
//! \date 2013/11/18
|
|
//! \par Revision history
|
|
//! <2013/11/18> 1st Release
|
|
//! <2012/12/20> V1.1.0
|
|
//! 1. Move unreferenced DEFINE to dhcp.c
|
|
//! <2012/12/26> V1.1.1
|
|
//! \author Eric Jung & MidnightCow
|
|
//! \copyright
|
|
//!
|
|
//! Copyright (c) 2013, WIZnet Co., LTD.
|
|
//! All rights reserved.
|
|
//!
|
|
//! Redistribution and use in source and binary forms, with or without
|
|
//! modification, are permitted provided that the following conditions
|
|
//! are met:
|
|
//!
|
|
//! * Redistributions of source code must retain the above copyright
|
|
//! notice, this list of conditions and the following disclaimer.
|
|
//! * 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.
|
|
//! * Neither the name of the <ORGANIZATION> 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 _DHCP_H_
|
|
#define _DHCP_H_
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*
|
|
* @brief
|
|
* @details If you want to display debug & processing message, Define _DHCP_DEBUG_
|
|
* @note If defined, it depends on <stdio.h>
|
|
*/
|
|
//#define _DHCP_DEBUG_
|
|
//#define _DHCP_DEBUG_EXTD_
|
|
|
|
/* Retry to processing DHCP */
|
|
#define MAX_DHCP_RETRY 2 ///< Maximum retry count
|
|
#define DHCP_WAIT_TIME 10 ///< Wait Time 10s
|
|
|
|
|
|
/* UDP port numbers for DHCP */
|
|
#define DHCP_SERVER_PORT 67 ///< DHCP server port number
|
|
#define DHCP_CLIENT_PORT 68 ///< DHCP client port number
|
|
|
|
|
|
#define MAGIC_COOKIE 0x63825363 ///< You should not modify it number.
|
|
|
|
#define DCHP_HOST_NAME "WIZnet\0"
|
|
|
|
/*
|
|
* @brief return value of @ref DHCP_run()
|
|
*/
|
|
enum
|
|
{
|
|
DHCP_FAILED = 0, ///< Processing Fail
|
|
DHCP_RUNNING, ///< Processing DHCP protocol
|
|
DHCP_IP_ASSIGN, ///< First Occupy IP from DHPC server (if cbfunc == null, act as default default_ip_assign)
|
|
DHCP_IP_CHANGED, ///< Change IP address by new ip from DHCP (if cbfunc == null, act as default default_ip_update)
|
|
DHCP_IP_LEASED, ///< Stand by
|
|
DHCP_STOPPED ///< Stop processing DHCP protocol
|
|
};
|
|
|
|
/*
|
|
* @brief DHCP client initialization (outside of the main loop)
|
|
* @param s - socket number
|
|
* @param buf - buffer for processing DHCP message
|
|
*/
|
|
void DHCP_init(uint8_t s, uint8_t * buf);
|
|
|
|
/*
|
|
* @brief DHCP 1s Tick Timer handler
|
|
* @note SHOULD BE register to your system 1s Tick timer handler
|
|
*/
|
|
void DHCP_time_handler(void);
|
|
|
|
/*
|
|
* @brief Register call back function
|
|
* @param ip_assign - callback func when IP is assigned from DHCP server first
|
|
* @param ip_update - callback func when IP is changed
|
|
* @param ip_conflict - callback func when the assigned IP is conflict with others.
|
|
*/
|
|
void reg_dhcp_cbfunc(void(*ip_assign)(void), void(*ip_update)(void), void(*ip_conflict)(void));
|
|
|
|
/*
|
|
* @brief DHCP client in the main loop
|
|
* @return The value is as the follow \n
|
|
* @ref DHCP_FAILED \n
|
|
* @ref DHCP_RUNNING \n
|
|
* @ref DHCP_IP_ASSIGN \n
|
|
* @ref DHCP_IP_CHANGED \n
|
|
* @ref DHCP_IP_LEASED \n
|
|
* @ref DHCP_STOPPED \n
|
|
*
|
|
* @note This function is always called by you main task.
|
|
*/
|
|
uint8_t DHCP_run(void);
|
|
|
|
/*
|
|
* @brief Stop DHCP processing
|
|
* @note If you want to restart. call DHCP_init() and DHCP_run()
|
|
*/
|
|
void DHCP_stop(void);
|
|
|
|
/* Get Network information assigned from DHCP server */
|
|
/*
|
|
* @brief Get IP address
|
|
* @param ip - IP address to be returned
|
|
*/
|
|
void getIPfromDHCP(uint8_t* ip);
|
|
/*
|
|
* @brief Get Gateway address
|
|
* @param ip - Gateway address to be returned
|
|
*/
|
|
void getGWfromDHCP(uint8_t* ip);
|
|
/*
|
|
* @brief Get Subnet mask value
|
|
* @param ip - Subnet mask to be returned
|
|
*/
|
|
void getSNfromDHCP(uint8_t* ip);
|
|
/*
|
|
* @brief Get DNS address
|
|
* @param ip - DNS address to be returned
|
|
*/
|
|
void getDNSfromDHCP(uint8_t* ip);
|
|
|
|
/*
|
|
* @brief Get the leased time by DHCP sever
|
|
* @return unit 1s
|
|
*/
|
|
uint32_t getDHCPLeasetime(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _DHCP_H_ */
|