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//usr/include/efi/efinet.h

#ifndef _EFINET_H
#define _EFINET_H

/*++
Copyright (c) 1999  Intel Corporation

Module Name:
    efinet.h

Abstract:
    EFI Simple Network protocol

Revision History
--*/

///////////////////////////////////////////////////////////////////////////////
//
//      Simple Network Protocol
//

#define EFI_SIMPLE_NETWORK_PROTOCOL \
    { 0xA19832B9, 0xAC25, 0x11D3, {0x9A, 0x2D, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0x4D} }

INTERFACE_DECL(_EFI_SIMPLE_NETWORK);

///////////////////////////////////////////////////////////////////////////////
//

typedef struct {
    //
    // Total number of frames received.  Includes frames with errors and
    // dropped frames.
    //
    UINT64  RxTotalFrames;

//
    // Number of valid frames received and copied into receive buffers.
    //
    UINT64  RxGoodFrames;

//
    // Number of frames below the minimum length for the media.
    // This would be <64 for ethernet.
    //
    UINT64  RxUndersizeFrames;

//
    // Number of frames longer than the maxminum length for the
    // media.  This would be >1500 for ethernet.
    //
    UINT64  RxOversizeFrames;

//
    // Valid frames that were dropped because receive buffers were full.
    //
    UINT64  RxDroppedFrames;

//
    // Number of valid unicast frames received and not dropped.
    //
    UINT64  RxUnicastFrames;

//
    // Number of valid broadcast frames received and not dropped.
    //
    UINT64  RxBroadcastFrames;

//
    // Number of valid mutlicast frames received and not dropped.
    //
    UINT64  RxMulticastFrames;

//
    // Number of frames w/ CRC or alignment errors.
    //
    UINT64  RxCrcErrorFrames;

//
    // Total number of bytes received.  Includes frames with errors
    // and dropped frames.
    //
    UINT64  RxTotalBytes;

//
    // Transmit statistics.
    //
    UINT64  TxTotalFrames;
    UINT64  TxGoodFrames;
    UINT64  TxUndersizeFrames;
    UINT64  TxOversizeFrames;
    UINT64  TxDroppedFrames;
    UINT64  TxUnicastFrames;
    UINT64  TxBroadcastFrames;
    UINT64  TxMulticastFrames;
    UINT64  TxCrcErrorFrames;
    UINT64  TxTotalBytes;

//
    // Number of collisions detection on this subnet.
    //
    UINT64  Collisions;

//
    // Number of frames destined for unsupported protocol.
    //
    UINT64  UnsupportedProtocol;

} EFI_NETWORK_STATISTICS;

///////////////////////////////////////////////////////////////////////////////
//

typedef enum {
    EfiSimpleNetworkStopped,
    EfiSimpleNetworkStarted,
    EfiSimpleNetworkInitialized,
    EfiSimpleNetworkMaxState
} EFI_SIMPLE_NETWORK_STATE;

///////////////////////////////////////////////////////////////////////////////
//

#define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01
#define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02
#define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04
#define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08
#define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10

///////////////////////////////////////////////////////////////////////////////
//

#define EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT        0x01
#define EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT       0x02
#define EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT        0x04
#define EFI_SIMPLE_NETWORK_SOFTWARE_INTERRUPT       0x08

///////////////////////////////////////////////////////////////////////////////
//
#define MAX_MCAST_FILTER_CNT    16
typedef struct {
    UINT32                      State;
    UINT32                      HwAddressSize;
    UINT32                      MediaHeaderSize;
    UINT32                      MaxPacketSize;
    UINT32                      NvRamSize;
    UINT32                      NvRamAccessSize;
    UINT32                      ReceiveFilterMask;
    UINT32                      ReceiveFilterSetting;
    UINT32                      MaxMCastFilterCount;
    UINT32                      MCastFilterCount;
    EFI_MAC_ADDRESS             MCastFilter[MAX_MCAST_FILTER_CNT];
    EFI_MAC_ADDRESS             CurrentAddress;
    EFI_MAC_ADDRESS             BroadcastAddress;
    EFI_MAC_ADDRESS             PermanentAddress;
    UINT8                       IfType;
    BOOLEAN                     MacAddressChangeable;
    BOOLEAN                     MultipleTxSupported;
    BOOLEAN                     MediaPresentSupported;
    BOOLEAN                     MediaPresent;
} EFI_SIMPLE_NETWORK_MODE;

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_START) (
    IN struct _EFI_SIMPLE_NETWORK  *This
);

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_STOP) (
    IN struct _EFI_SIMPLE_NETWORK  *This
);

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_INITIALIZE) (
    IN struct _EFI_SIMPLE_NETWORK  *This,
    IN UINTN                       ExtraRxBufferSize  OPTIONAL,
    IN UINTN                       ExtraTxBufferSize  OPTIONAL
);

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_RESET) (
    IN struct _EFI_SIMPLE_NETWORK   *This,
    IN BOOLEAN                      ExtendedVerification
);

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_SHUTDOWN) (
    IN struct _EFI_SIMPLE_NETWORK  *This
);

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_RECEIVE_FILTERS) (
    IN struct _EFI_SIMPLE_NETWORK   *This,
    IN UINT32                       Enable,
    IN UINT32                       Disable,
    IN BOOLEAN                      ResetMCastFilter,
    IN UINTN                        MCastFilterCnt     OPTIONAL,
    IN EFI_MAC_ADDRESS              *MCastFilter       OPTIONAL
);

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_STATION_ADDRESS) (
    IN struct _EFI_SIMPLE_NETWORK   *This,
    IN BOOLEAN                      Reset,
    IN EFI_MAC_ADDRESS              *New      OPTIONAL
);

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_STATISTICS) (
    IN struct _EFI_SIMPLE_NETWORK   *This,
    IN BOOLEAN                      Reset,
    IN OUT UINTN                    *StatisticsSize   OPTIONAL,
    OUT EFI_NETWORK_STATISTICS      *StatisticsTable  OPTIONAL
);

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_MCAST_IP_TO_MAC) (
    IN struct _EFI_SIMPLE_NETWORK   *This,
    IN BOOLEAN                      IPv6,
    IN EFI_IP_ADDRESS               *IP,
    OUT EFI_MAC_ADDRESS             *MAC
);

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_NVDATA) (
    IN struct _EFI_SIMPLE_NETWORK  *This,
    IN BOOLEAN                     ReadWrite,
    IN UINTN                       Offset,
    IN UINTN                       BufferSize,
    IN OUT VOID                    *Buffer
);

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_GET_STATUS) (
    IN struct _EFI_SIMPLE_NETWORK  *This,
    OUT UINT32                     *InterruptStatus  OPTIONAL,
    OUT VOID                       **TxBuf           OPTIONAL
);

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_TRANSMIT) (
    IN struct _EFI_SIMPLE_NETWORK   *This,
    IN UINTN                        HeaderSize,
    IN UINTN                        BufferSize,
    IN VOID                         *Buffer,
    IN EFI_MAC_ADDRESS              *SrcAddr     OPTIONAL,
    IN EFI_MAC_ADDRESS              *DestAddr    OPTIONAL,
    IN UINT16                       *Protocol    OPTIONAL
);

///////////////////////////////////////////////////////////////////////////////
//

typedef 
EFI_STATUS 
(EFIAPI *EFI_SIMPLE_NETWORK_RECEIVE) (
    IN struct _EFI_SIMPLE_NETWORK   *This,
    OUT UINTN                       *HeaderSize  OPTIONAL,
    IN OUT UINTN                    *BufferSize,
    OUT VOID                        *Buffer,
    OUT EFI_MAC_ADDRESS             *SrcAddr     OPTIONAL,
    OUT EFI_MAC_ADDRESS             *DestAddr    OPTIONAL,
    OUT UINT16                      *Protocol    OPTIONAL
);

///////////////////////////////////////////////////////////////////////////////
//

#define EFI_SIMPLE_NETWORK_INTERFACE_REVISION   0x00010000

typedef struct _EFI_SIMPLE_NETWORK {
    UINT64                              Revision;
    EFI_SIMPLE_NETWORK_START            Start;
    EFI_SIMPLE_NETWORK_STOP             Stop;
    EFI_SIMPLE_NETWORK_INITIALIZE       Initialize;
    EFI_SIMPLE_NETWORK_RESET            Reset;
    EFI_SIMPLE_NETWORK_SHUTDOWN         Shutdown;
    EFI_SIMPLE_NETWORK_RECEIVE_FILTERS  ReceiveFilters;
    EFI_SIMPLE_NETWORK_STATION_ADDRESS  StationAddress;
    EFI_SIMPLE_NETWORK_STATISTICS       Statistics;
    EFI_SIMPLE_NETWORK_MCAST_IP_TO_MAC  MCastIpToMac;
    EFI_SIMPLE_NETWORK_NVDATA           NvData;
    EFI_SIMPLE_NETWORK_GET_STATUS       GetStatus;
    EFI_SIMPLE_NETWORK_TRANSMIT         Transmit;
    EFI_SIMPLE_NETWORK_RECEIVE          Receive;
    EFI_EVENT                           WaitForPacket;
    EFI_SIMPLE_NETWORK_MODE             *Mode;
} EFI_SIMPLE_NETWORK;

#endif /* _EFINET_H */