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/*****************************************************************************/
/**                                Microsoft Windows                            **/
/**Copyright (c) 1997-2000 Microsoft Corporation.  All rights reserved.     **/
/*****************************************************************************/

/*
    dhcp.h

  DESCRIPTION:


*/

#ifndef _DHCP_H_
#define _DHCP_H_

#ifndef FAR
#define FAR
#endif

#include "ipexport.h"

typedef unsigned int (*PFNSetDHCPNTE)(unsigned Context, void **ppNTE,
                                      char *pAddr, DWORD *cAddr);
typedef unsigned int (*PFNIPSetNTEAddr)(unsigned short Context, 
                                        void *NTEp, IPAddr Addr, IPMask Mask, 
                                        IPAddr GWAddr);

typedef DWORD (*PFN_DHCP_NOTIFY)(uint Code, PTSTR pAdapter, void *Nte, unsigned Context,
                                   char *pAddr, unsigned cAddr);

typedef int  (*PFNDhcpRegister)(
    PFNSetDHCPNTE        pfnSetNTE,
    PFNIPSetNTEAddr        pfnSetAddr, 
    PFN_DHCP_NOTIFY        *ppDhcpNotify);

extern int DhcpRegister(
    PFNSetDHCPNTE        pfnSetNTE,
    PFNIPSetNTEAddr        pfnSetAddr, 
    PFN_DHCP_NOTIFY        *ppDhcpNotify);


// Network Control Block structure



//    Return Codes for Dhcp
#define	DHCP_SUCCESS        0
#define DHCP_FAILURE        1
#define DHCP_NOMEM            2
#define DHCP_NACK            3
#define DHCP_NOCARD            4
#define DHCP_COLLISION        5
#define DHCP_NOINTERFACE    6    // specified interface doesn't exist


//    OpCodes for the Dhcp Function

#define	DHCP_REGISTER            0x01    // this is a must for all Helper funcs
#define DHCP_PROBE                0x02    // reserved for all helper funcs

// note; need a notification mechanism

#define DHCP_RENEW                0x08
#define DHCP_RELEASE            0x09


//    Codes for PFN_DHCP_NOTIFY
#define DHCP_NOTIFY_ADD_INTERFACE        0x0001    // unused
#define DHCP_NOTIFY_DEL_INTERFACE        0x0002

#define DHCP_REQUEST_ADDRESS            0x1001
#define DHCP_REQUEST_RELEASE            0x1002
#define DHCP_REQUEST_RENEW                0x1003


#endif	// _DHCP_H_