Dhcp4Io.h

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#ifndef __EFI_DHCP4_IO_H__
#define __EFI_DHCP4_IO_H__
 
#include <Uefi.h>
 
#include <Protocol/ServiceBinding.h>
 
#include <Library/NetLib.h>
#include <Library/UdpIoLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
 
#define DHCP_WAIT_OFFER     3                 // Time to wait the offers
#define DHCP_DEFAULT_LEASE  7 * 24 * 60 * 60  // Seven days as default.
#define DHCP_SERVER_PORT    67
#define DHCP_CLIENT_PORT    68
 
//
// BOOTP header "op" field
//
#define BOOTP_REQUEST  1
#define BOOTP_REPLY    2
 
//
// DHCP message types
//
#define DHCP_MSG_DISCOVER  1
#define DHCP_MSG_OFFER     2
#define DHCP_MSG_REQUEST   3
#define DHCP_MSG_DECLINE   4
#define DHCP_MSG_ACK       5
#define DHCP_MSG_NAK       6
#define DHCP_MSG_RELEASE   7
#define DHCP_MSG_INFORM    8
 
//
// DHCP notify user type
//
#define DHCP_NOTIFY_COMPLETION   1
#define DHCP_NOTIFY_RENEWREBIND  2
#define DHCP_NOTIFY_ALL          3
 
#define DHCP_IS_BOOTP(Parameter)  (((Parameter) == NULL) || ((Parameter)->DhcpType == 0))
 
#define DHCP_CONNECTED(State)     \
  (((State) == Dhcp4Bound) || ((State) == (Dhcp4Renewing)) || ((State) == Dhcp4Rebinding))
 
EFI_STATUS
DhcpSetState (
  IN OUT DHCP_SERVICE  *DhcpSb,
  IN     INTN          State,
  IN     BOOLEAN       CallUser
  );
 
EFI_STATUS
DhcpSendMessage (
  IN DHCP_SERVICE      *DhcpSb,
  IN EFI_DHCP4_PACKET  *Seed,
  IN DHCP_PARAMETER    *Para,
  IN UINT8             Type,
  IN UINT8             *Msg
  );
 
VOID
EFIAPI
DhcpOnTimerTick (
  IN EFI_EVENT  Event,
  IN VOID       *Context
  );
 
VOID
EFIAPI
DhcpInput (
  NET_BUF        *UdpPacket,
  UDP_END_POINT  *EndPoint,
  EFI_STATUS     IoStatus,
  VOID           *Context
  );
 
EFI_STATUS
DhcpInitRequest (
  IN DHCP_SERVICE  *DhcpSb
  );
 
VOID
DhcpCleanLease (
  IN DHCP_SERVICE  *DhcpSb
  );
 
VOID
EFIAPI
DhcpOnPacketSent (
  NET_BUF        *Packet,
  UDP_END_POINT  *EndPoint,
  EFI_STATUS     IoStatus,
  VOID           *Context
  );
 
#endif