dhcp.h

这同样是FS8610相关的代码.看起来不错啊.

/**
 * \addtogroup dhcp
 * @{
 */

 
 /**
 * \file
 * \brief DHCP client implementation header file
 * \author glyin <[e-mail]>
 */
 
/*
******************************************************************************
*
Copyright (c) 2006 FameG Shanghai, Inc. All rights reserved.
*
This is unpublished proprietary source code of FameG Shanghai, Inc.
*
The copyright notice above does not evidence any actual or intended
*
publication of such source code.
******************************************************************************
*/
/*
******************************************************************************
*
Project: T4 L4MCU FPGA verification
*
Filename: bootp.h
*
Date: 29/03/06
*
Purpose: DHCP functions for L4MCU (Keil C Compiler)
*
Author: Guanglei Yin
******************************************************************************
*/

#ifndef __DHCP_H__
#define __DHCP_H__


#include "kernel/system.h"

/***************************************************************************** 
*                          CONSTANT DEFINES                                                                         *
*****************************************************************************/

/*!\brief  send dhcp message with broadcast address.
 */
#define DHCP_FLAGSBROADCAST	0x8000

/*!\brief  dhcp server port.
 */
#define DHCP_SERVER_PORT	67

/*!\brief  dhcp client port.
 */
#define DHCP_CLIENT_PORT	68

/// \cond DOXYGEN_SKIP
#define BOOT_REQUEST	1
#define BOOT_REPLY		2

#define DHCP_HTYPE10MB		1
#define DHCP_HTYPE100MB		2

#define DHCP_HLENETHERNET	6
#define DHCP_HOPS		0
#define DHCP_SECS		100

#define MAGIC_COOKIE		0x63825363

/* DHCP client states */
#define DHCP_STATE_INIT_REBOOT	0
#define DHCP_STATE_REBOOTING	1
#define DHCP_STATE_INIT			2
#define DHCP_STATE_SELECTING	3
#define DHCP_STATE_REQUESTING	4
#define DHCP_STATE_BOUND		5
#define DHCP_STATE_RENEWING		6
#define DHCP_STATE_REBINDING	7

/* DHCP messages */
#define DHCP_DISCOVER	1
#define DHCP_OFFER		2
#define DHCP_REQUEST	3
#define DHCP_DECLINE	4
#define DHCP_ACK		5
#define DHCP_NAK		6
#define DHCP_RELEASE	7
#define DHCP_INFORM		8

/* DHCP options */
#define DHCP_OPT_PAD			0
#define DHCP_OPT_END			255
#define DHCP_OPT_SUBNET_MASK	1
#define DHCP_OPT_TIME_OFFSET	2
#define DHCP_OPT_ROUTER			3
#define DHCP_OPT_TIME_SERVER	4
#define DHCP_OPT_NAME_SERVER	5
#define DHCP_OPT_DNS_SERVER		6
#define DHCP_OPT_HOST_NAME		12
#define DHCP_OPT_POP3_SERVER	70
#define DHCP_OPT_REQUESTED_IP	50
#define DHCP_OPT_LEASE_TIME		51
#define DHCP_OPT_OVERLOAD		52
#define DHCP_OPT_MSG_TYPE		53
#define DHCP_OPT_SERV_IDENT		54
#define DHCP_OPT_PARAM_REQUEST	55
#define DHCP_OPT_T1_VALUE		58
#define DHCP_OPT_T2_VALUE		59

/// \endcond


/***************************************************************************** 
*                                       MACROS                                                                            *
*****************************************************************************/




/***************************************************************************** 
*                                       DATA TYPES                                                                      *
*****************************************************************************/

/*!\brief  Record some information about dhcp client.
 */
struct dhcp_t
{
	UINT8	state;               //!< This variable holds dhcp clients' current state information 
	UINT8   timer_handle;      //!< dhcp client timer handle.   
	INT8    soc_handle;	         //!< dhcp client handle.   
};

/*!\brief  Record dhcp packet field information.
 */
struct DHCP_MSG
{
	UINT8	op; 
	UINT8	htype; 
	UINT8	hlen;
	UINT8	hops;
	UINT32	xid;
	UINT16	secs;
	UINT16	flags;
	UINT32	ciaddr;
	UINT32	yiaddr;
	UINT32	siaddr;
	UINT32	giaddr;
	UINT8	chaddr[16];
	UINT8	sname[64];
	UINT8	file[128];
	UINT8	OPT[312];
};


/***************************************************************************** 
*                    FUNCTIONS DECLARATION                                                                      *
*****************************************************************************/

extern INT8 dhcpc_init(void);
extern void dhcpc_run(void);
extern void dhcpc_exit(void);


/***************************************************************************** 
*                   GLOBAL VARIABLES DECLARATION                                                            *
*****************************************************************************/


#endif	  /*__DHCP_H__*/

/** @} */