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Voyager/Voyager-2/Voyager-2 (1703-1511)/edk2/MdePkg/Include/Protocol/SimpleNetwork.h

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all versions of windows 10 working on amd
4 years ago
/** @file
The EFI_SIMPLE_NETWORK_PROTOCOL provides services to initialize a network interface,
transmit packets, receive packets, and close a network interface.
Basic network device abstraction.
Rx - Received
Tx - Transmit
MCast - MultiCast
...
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
@par Revision Reference:
This Protocol is introduced in EFI Specification 1.10.
**/
#ifndef __SIMPLE_NETWORK_H__
#define __SIMPLE_NETWORK_H__
#define EFI_SIMPLE_NETWORK_PROTOCOL_GUID \
{ \
0xA19832B9, 0xAC25, 0x11D3, {0x9A, 0x2D, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0x4D } \
}
typedef struct _EFI_SIMPLE_NETWORK_PROTOCOL EFI_SIMPLE_NETWORK_PROTOCOL;
///
/// Protocol defined in EFI1.1.
///
typedef EFI_SIMPLE_NETWORK_PROTOCOL EFI_SIMPLE_NETWORK;
///
/// Simple Network Protocol data structures.
///
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;
///
/// Number of valid frames received that were duplicated.
///
UINT64 RxDuplicatedFrames;
///
/// Number of encrypted frames received that failed to decrypt.
///
UINT64 RxDecryptErrorFrames;
///
/// Number of frames that failed to transmit after exceeding the retry limit.
///
UINT64 TxErrorFrames;
///
/// Number of frames transmitted successfully after more than one attempt.
///
UINT64 TxRetryFrames;
} EFI_NETWORK_STATISTICS;
///
/// The state of the network interface.
/// When an EFI_SIMPLE_NETWORK_PROTOCOL driver initializes a
/// network interface, the network interface is left in the EfiSimpleNetworkStopped state.
///
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 {
///
/// Reports the current state of the network interface.
///
UINT32 State;
///
/// The size, in bytes, of the network interface's HW address.
///
UINT32 HwAddressSize;
///
/// The size, in bytes, of the network interface's media header.
///
UINT32 MediaHeaderSize;
///
/// The maximum size, in bytes, of the packets supported by the network interface.
///
UINT32 MaxPacketSize;
///
/// The size, in bytes, of the NVRAM device attached to the network interface.
///
UINT32 NvRamSize;
///
/// The size that must be used for all NVRAM reads and writes. The
/// start address for NVRAM read and write operations and the total
/// length of those operations, must be a multiple of this value. The
/// legal values for this field are 0, 1, 2, 4, and 8.
///
UINT32 NvRamAccessSize;
///
/// The multicast receive filter settings supported by the network interface.
///
UINT32 ReceiveFilterMask;
///
/// The current multicast receive filter settings.
///
UINT32 ReceiveFilterSetting;
///
/// The maximum number of multicast address receive filters supported by the driver.
///
UINT32 MaxMCastFilterCount;
///
/// The current number of multicast address receive filters.
///
UINT32 MCastFilterCount;
///
/// Array containing the addresses of the current multicast address receive filters.
///
EFI_MAC_ADDRESS MCastFilter[MAX_MCAST_FILTER_CNT];
///
/// The current HW MAC address for the network interface.
///
EFI_MAC_ADDRESS CurrentAddress;
///
/// The current HW MAC address for broadcast packets.
///
EFI_MAC_ADDRESS BroadcastAddress;
///
/// The permanent HW MAC address for the network interface.
///
EFI_MAC_ADDRESS PermanentAddress;
///
/// The interface type of the network interface.
///
UINT8 IfType;
///
/// TRUE if the HW MAC address can be changed.
///
BOOLEAN MacAddressChangeable;
///
/// TRUE if the network interface can transmit more than one packet at a time.
///
BOOLEAN MultipleTxSupported;
///
/// TRUE if the presence of media can be determined; otherwise FALSE.
///
BOOLEAN MediaPresentSupported;
///
/// TRUE if media are connected to the network interface; otherwise FALSE.
///
BOOLEAN MediaPresent;
} EFI_SIMPLE_NETWORK_MODE;
//
// Protocol Member Functions
//
/**
Changes the state of a network interface from "stopped" to "started".
@param This Protocol instance pointer.
@retval EFI_SUCCESS The network interface was started.
@retval EFI_ALREADY_STARTED The network interface is already in the started state.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_START)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *This
);
/**
Changes the state of a network interface from "started" to "stopped".
@param This Protocol instance pointer.
@retval EFI_SUCCESS The network interface was stopped.
@retval EFI_ALREADY_STARTED The network interface is already in the stopped state.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_STOP)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *This
);
/**
Resets a network adapter and allocates the transmit and receive buffers
required by the network interface; optionally, also requests allocation
of additional transmit and receive buffers.
@param This The protocol instance pointer.
@param ExtraRxBufferSize The size, in bytes, of the extra receive buffer space
that the driver should allocate for the network interface.
Some network interfaces will not be able to use the extra
buffer, and the caller will not know if it is actually
being used.
@param ExtraTxBufferSize The size, in bytes, of the extra transmit buffer space
that the driver should allocate for the network interface.
Some network interfaces will not be able to use the extra
buffer, and the caller will not know if it is actually
being used.
@retval EFI_SUCCESS The network interface was initialized.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_OUT_OF_RESOURCES There was not enough memory for the transmit and
receive buffers.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_INITIALIZE)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
IN UINTN ExtraRxBufferSize OPTIONAL,
IN UINTN ExtraTxBufferSize OPTIONAL
);
/**
Resets a network adapter and re-initializes it with the parameters that were
provided in the previous call to Initialize().
@param This The protocol instance pointer.
@param ExtendedVerification Indicates that the driver may perform a more
exhaustive verification operation of the device
during reset.
@retval EFI_SUCCESS The network interface was reset.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_RESET)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
);
/**
Resets a network adapter and leaves it in a state that is safe for
another driver to initialize.
@param This Protocol instance pointer.
@retval EFI_SUCCESS The network interface was shutdown.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_SHUTDOWN)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *This
);
/**
Manages the multicast receive filters of a network interface.
@param This The protocol instance pointer.
@param Enable A bit mask of receive filters to enable on the network interface.
@param Disable A bit mask of receive filters to disable on the network interface.
@param ResetMCastFilter Set to TRUE to reset the contents of the multicast receive
filters on the network interface to their default values.
@param McastFilterCnt Number of multicast HW MAC addresses in the new
MCastFilter list. This value must be less than or equal to
the MCastFilterCnt field of EFI_SIMPLE_NETWORK_MODE. This
field is optional if ResetMCastFilter is TRUE.
@param MCastFilter A pointer to a list of new multicast receive filter HW MAC
addresses. This list will replace any existing multicast
HW MAC address list. This field is optional if
ResetMCastFilter is TRUE.
@retval EFI_SUCCESS The multicast receive filter list was updated.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_RECEIVE_FILTERS)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
IN UINT32 Enable,
IN UINT32 Disable,
IN BOOLEAN ResetMCastFilter,
IN UINTN MCastFilterCnt OPTIONAL,
IN EFI_MAC_ADDRESS *MCastFilter OPTIONAL
);
/**
Modifies or resets the current station address, if supported.
@param This The protocol instance pointer.
@param Reset Flag used to reset the station address to the network interfaces
permanent address.
@param New The new station address to be used for the network interface.
@retval EFI_SUCCESS The network interfaces station address was updated.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_STATION_ADDRESS)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
IN BOOLEAN Reset,
IN EFI_MAC_ADDRESS *New OPTIONAL
);
/**
Resets or collects the statistics on a network interface.
@param This Protocol instance pointer.
@param Reset Set to TRUE to reset the statistics for the network interface.
@param StatisticsSize On input the size, in bytes, of StatisticsTable. On
output the size, in bytes, of the resulting table of
statistics.
@param StatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure that
contains the statistics.
@retval EFI_SUCCESS The statistics were collected from the network interface.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_BUFFER_TOO_SMALL The Statistics buffer was too small. The current buffer
size needed to hold the statistics is returned in
StatisticsSize.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_STATISTICS)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
IN BOOLEAN Reset,
IN OUT UINTN *StatisticsSize OPTIONAL,
OUT EFI_NETWORK_STATISTICS *StatisticsTable OPTIONAL
);
/**
Converts a multicast IP address to a multicast HW MAC address.
@param This The protocol instance pointer.
@param IPv6 Set to TRUE if the multicast IP address is IPv6 [RFC 2460]. Set
to FALSE if the multicast IP address is IPv4 [RFC 791].
@param IP The multicast IP address that is to be converted to a multicast
HW MAC address.
@param MAC The multicast HW MAC address that is to be generated from IP.
@retval EFI_SUCCESS The multicast IP address was mapped to the multicast
HW MAC address.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_BUFFER_TOO_SMALL The Statistics buffer was too small. The current buffer
size needed to hold the statistics is returned in
StatisticsSize.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_MCAST_IP_TO_MAC)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
IN BOOLEAN IPv6,
IN EFI_IP_ADDRESS *IP,
OUT EFI_MAC_ADDRESS *MAC
);
/**
Performs read and write operations on the NVRAM device attached to a
network interface.
@param This The protocol instance pointer.
@param ReadWrite TRUE for read operations, FALSE for write operations.
@param Offset Byte offset in the NVRAM device at which to start the read or
write operation. This must be a multiple of NvRamAccessSize and
less than NvRamSize.
@param BufferSize The number of bytes to read or write from the NVRAM device.
This must also be a multiple of NvramAccessSize.
@param Buffer A pointer to the data buffer.
@retval EFI_SUCCESS The NVRAM access was performed.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_NVDATA)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
IN BOOLEAN ReadWrite,
IN UINTN Offset,
IN UINTN BufferSize,
IN OUT VOID *Buffer
);
/**
Reads the current interrupt status and recycled transmit buffer status from
a network interface.
@param This The protocol instance pointer.
@param InterruptStatus A pointer to the bit mask of the currently active interrupts
If this is NULL, the interrupt status will not be read from
the device. If this is not NULL, the interrupt status will
be read from the device. When the interrupt status is read,
it will also be cleared. Clearing the transmit interrupt
does not empty the recycled transmit buffer array.
@param TxBuf Recycled transmit buffer address. The network interface will
not transmit if its internal recycled transmit buffer array
is full. Reading the transmit buffer does not clear the
transmit interrupt. If this is NULL, then the transmit buffer
status will not be read. If there are no transmit buffers to
recycle and TxBuf is not NULL, * TxBuf will be set to NULL.
@retval EFI_SUCCESS The status of the network interface was retrieved.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_GET_STATUS)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
OUT UINT32 *InterruptStatus OPTIONAL,
OUT VOID **TxBuf OPTIONAL
);
/**
Places a packet in the transmit queue of a network interface.
@param This The protocol instance pointer.
@param HeaderSize The size, in bytes, of the media header to be filled in by
the Transmit() function. If HeaderSize is non-zero, then it
must be equal to This->Mode->MediaHeaderSize and the DestAddr
and Protocol parameters must not be NULL.
@param BufferSize The size, in bytes, of the entire packet (media header and
data) to be transmitted through the network interface.
@param Buffer A pointer to the packet (media header followed by data) to be
transmitted. This parameter cannot be NULL. If HeaderSize is zero,
then the media header in Buffer must already be filled in by the
caller. If HeaderSize is non-zero, then the media header will be
filled in by the Transmit() function.
@param SrcAddr The source HW MAC address. If HeaderSize is zero, then this parameter
is ignored. If HeaderSize is non-zero and SrcAddr is NULL, then
This->Mode->CurrentAddress is used for the source HW MAC address.
@param DestAddr The destination HW MAC address. If HeaderSize is zero, then this
parameter is ignored.
@param Protocol The type of header to build. If HeaderSize is zero, then this
parameter is ignored. See RFC 1700, section "Ether Types", for
examples.
@retval EFI_SUCCESS The packet was placed on the transmit queue.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_NOT_READY The network interface is too busy to accept this transmit request.
@retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_TRANSMIT)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *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
);
/**
Receives a packet from a network interface.
@param This The protocol instance pointer.
@param HeaderSize The size, in bytes, of the media header received on the network
interface. If this parameter is NULL, then the media header size
will not be returned.
@param BufferSize On entry, the size, in bytes, of Buffer. On exit, the size, in
bytes, of the packet that was received on the network interface.
@param Buffer A pointer to the data buffer to receive both the media header and
the data.
@param SrcAddr The source HW MAC address. If this parameter is NULL, the
HW MAC source address will not be extracted from the media
header.
@param DestAddr The destination HW MAC address. If this parameter is NULL,
the HW MAC destination address will not be extracted from the
media header.
@param Protocol The media header type. If this parameter is NULL, then the
protocol will not be extracted from the media header. See
RFC 1700 section "Ether Types" for examples.
@retval EFI_SUCCESS The received data was stored in Buffer, and BufferSize has
been updated to the number of bytes received.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_NOT_READY The network interface is too busy to accept this transmit
request.
@retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
@retval EFI_UNSUPPORTED This function is not supported by the network interface.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_RECEIVE)(
IN EFI_SIMPLE_NETWORK_PROTOCOL *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_PROTOCOL_REVISION 0x00010000
//
// Revision defined in EFI1.1
//
#define EFI_SIMPLE_NETWORK_INTERFACE_REVISION EFI_SIMPLE_NETWORK_PROTOCOL_REVISION
///
/// The EFI_SIMPLE_NETWORK_PROTOCOL protocol is used to initialize access
/// to a network adapter. Once the network adapter initializes,
/// the EFI_SIMPLE_NETWORK_PROTOCOL protocol provides services that
/// allow packets to be transmitted and received.
///
struct _EFI_SIMPLE_NETWORK_PROTOCOL {
///
/// Revision of the EFI_SIMPLE_NETWORK_PROTOCOL. All future revisions must
/// be backwards compatible. If a future version is not backwards compatible
/// it is not the same GUID.
///
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;
///
/// Event used with WaitForEvent() to wait for a packet to be received.
///
EFI_EVENT WaitForPacket;
///
/// Pointer to the EFI_SIMPLE_NETWORK_MODE data for the device.
///
EFI_SIMPLE_NETWORK_MODE *Mode;
};
extern EFI_GUID gEfiSimpleNetworkProtocolGuid;
#endif