/** @file
Copyright (c) 2006 - 2016, 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
which 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.
Module Name:
SnpNt32.h
Abstract:
-**/
#ifndef _SNP_NT32_H_
#define _SNP_NT32_H_
#include <Uefi.h>
#include <Protocol/SimpleNetwork.h>
#include <Protocol/DevicePath.h>
#include <Protocol/WinNtThunk.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/DevicePathLib.h>
#include <Library/NetLib.h>
#include <Library/MemoryAllocationLib.h>
typedef struct _SNPNT32_GLOBAL_DATA SNPNT32_GLOBAL_DATA;
typedef struct _SNPNT32_INSTANCE_DATA SNPNT32_INSTANCE_DATA;
#define NETWORK_LIBRARY_NAME_U L"SnpNt32Io.dll"
#define NETWORK_LIBRARY_INITIALIZE "SnpInitialize"
#define NETWORK_LIBRARY_FINALIZE "SnpFinalize"
#define NETWORK_LIBRARY_SET_RCV_FILTER "SnpSetReceiveFilter"
#define NETWORK_LIBRARY_RECEIVE "SnpReceive"
#define NETWORK_LIBRARY_TRANSMIT "SnpTransmit"
#pragma pack(1)
typedef struct _NT_NET_INTERFACE_INFO {
UINT32 InterfaceIndex;
EFI_MAC_ADDRESS MacAddr;
} NT_NET_INTERFACE_INFO;
#pragma pack()
#define NET_ETHER_HEADER_SIZE 14
#define MAX_INTERFACE_INFO_NUMBER 16
#define MAX_FILE_NAME_LENGTH 280
#define SNP_MAX_TX_BUFFER_NUM 65536
#define SNP_TX_BUFFER_INCREASEMENT 32
//
// Functions in Net Library
//
typedef
INT32
(*NT_NET_INITIALIZE) (
IN OUT UINT32 *InterfaceCount,
IN OUT NT_NET_INTERFACE_INFO * InterfaceInfoBuffer
);
typedef
INT32
(*NT_NET_FINALIZE) (
VOID
);
typedef
INT32
(*NT_NET_SET_RECEIVE_FILTER) (
IN UINT32 Index,
IN UINT32 EnableFilter,
IN UINT32 MCastFilterCnt,
IN EFI_MAC_ADDRESS * MCastFilter
);
typedef
INT32
(*NT_NET_RECEIVE) (
IN UINT32 Index,
IN OUT UINT32 *BufferSize,
OUT VOID *Buffer
);
typedef
INT32
(*NT_NET_TRANSMIT) (
IN UINT32 Index,
IN UINT32 HeaderSize,
IN UINT32 BufferSize,
IN VOID *Buffer,
IN EFI_MAC_ADDRESS * SrcAddr,
IN EFI_MAC_ADDRESS * DestAddr,
IN UINT16 *Protocol
);
typedef struct _NT_NET_UTILITY_TABLE {
NT_NET_INITIALIZE Initialize;
NT_NET_FINALIZE Finalize;
NT_NET_SET_RECEIVE_FILTER SetReceiveFilter;
NT_NET_RECEIVE Receive;
NT_NET_TRANSMIT Transmit;
} NT_NET_UTILITY_TABLE;
//
// Private functions
//
typedef
EFI_STATUS
(*SNPNT32_INITIALIZE_GLOBAL_DATA) (
IN SNPNT32_GLOBAL_DATA * This
);
typedef
EFI_STATUS
(*SNPNT32_INITIALIZE_INSTANCE_DATA) (
IN SNPNT32_GLOBAL_DATA * This,
IN SNPNT32_INSTANCE_DATA * Instance
);
typedef
EFI_STATUS
(*SNPNT32_CLOSE_INSTANCE) (
IN SNPNT32_GLOBAL_DATA * This,
IN SNPNT32_INSTANCE_DATA * Instance
);
//
// Global data for this driver
//
#define SNP_NT32_DRIVER_SIGNATURE SIGNATURE_32 ('W', 'S', 'N', 'P')
struct _SNPNT32_GLOBAL_DATA {
UINT32 Signature;
//
// List for all the fake SNP instance
//
LIST_ENTRY InstanceList;
EFI_WIN_NT_THUNK_PROTOCOL *WinNtThunk;
HMODULE NetworkLibraryHandle;
NT_NET_UTILITY_TABLE NtNetUtilityTable;
EFI_LOCK Lock;
//
// Array of the recycled transmit buffer address.
//
UINT64 *RecycledTxBuf;
//
// Current number of recycled buffer pointers in RecycledTxBuf.
//
UINT32 RecycledTxBufCount;
// The maximum number of recycled buffer pointers in RecycledTxBuf.
//
UINT32 MaxRecycledTxBuf;
//
// Private functions
//
SNPNT32_INITIALIZE_GLOBAL_DATA InitializeGlobalData;
SNPNT32_INITIALIZE_INSTANCE_DATA InitializeInstanceData;
SNPNT32_CLOSE_INSTANCE CloseInstance;
};
//
// Instance data for each fake SNP instance
//
#define SNP_NT32_INSTANCE_SIGNATURE SIGNATURE_32 ('w', 'S', 'N', 'P')
struct _SNPNT32_INSTANCE_DATA {
UINT32 Signature;
//
// List entry use for linking with other instance
//
LIST_ENTRY Entry;
SNPNT32_GLOBAL_DATA *GlobalData;
EFI_HANDLE DeviceHandle;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_SIMPLE_NETWORK_PROTOCOL Snp;
EFI_SIMPLE_NETWORK_MODE Mode;
NT_NET_INTERFACE_INFO InterfaceInfo;
//
// Private functions
//
};
#define SNP_NT32_INSTANCE_DATA_FROM_SNP_THIS(a) \
CR ( \
a, \
SNPNT32_INSTANCE_DATA, \
Snp, \
SNP_NT32_INSTANCE_SIGNATURE \
)
extern EFI_DRIVER_BINDING_PROTOCOL gSnpNt32DriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gSnpNt32DriverComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gSnpNt32DriverComponentName2;
/**
Test to see if this driver supports ControllerHandle. This service
is called by the EFI boot service ConnectController(). In
order to make drivers as small as possible, there are a few calling
restrictions for this service. ConnectController() must
follow these calling restrictions. If any other agent wishes to call
Supported() it must also follow these calling restrictions.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to test
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS This driver supports this device
@retval EFI_UNSUPPORTED This driver does not support this device
**/
EFI_STATUS
EFIAPI
SnpNt32DriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL * This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL
);
/**
Start this driver on ControllerHandle. This service is called by the
EFI boot service ConnectController(). In order to make
drivers as small as possible, there are a few calling restrictions for
this service. ConnectController() must follow these
calling restrictions. If any other agent wishes to call Start() it
must also follow these calling restrictions.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to bind driver to
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS Always succeeds.
**/
EFI_STATUS
EFIAPI
SnpNt32DriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL * This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL
);
/**
Stop this driver on ControllerHandle. This service is called by the
EFI boot service DisconnectController(). In order to
make drivers as small as possible, there are a few calling
restrictions for this service. DisconnectController()
must follow these calling restrictions. If any other agent wishes
to call Stop() it must also follow these calling restrictions.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
children is zero stop the entire bus driver.
@param ChildHandleBuffer List of Child Handles to Stop.
@retval EFI_SUCCESS Always succeeds.
**/
EFI_STATUS
EFIAPI
SnpNt32DriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
/**
Initialize the driver's global data.
@param This Pointer to the global context data.
@retval EFI_SUCCESS The global data is initialized.
@retval EFI_NOT_FOUND The required DLL is not found.
@retval EFI_DEVICE_ERROR Error initialize network utility library.
@retval EFI_OUT_OF_RESOURCES Out of resource.
@retval other Other errors.
**/
EFI_STATUS
SnpNt32InitializeGlobalData (
IN OUT SNPNT32_GLOBAL_DATA *This
);
/**
Initialize the snpnt32 driver instance.
@param This Pointer to the SnpNt32 global data.
@param Instance Pointer to the instance context data.
@retval EFI_SUCCESS The driver instance is initialized.
@retval other Initialization errors.
**/
EFI_STATUS
SnpNt32InitializeInstanceData (
IN SNPNT32_GLOBAL_DATA *This,
IN OUT SNPNT32_INSTANCE_DATA *Instance
);
/**
Close the SnpNt32 driver instance.
@param This Pointer to the SnpNt32 global data.
@param Instance Pointer to the instance context data.
@retval EFI_SUCCESS The instance is closed.
**/
EFI_STATUS
SnpNt32CloseInstance (
IN SNPNT32_GLOBAL_DATA *This,
IN OUT SNPNT32_INSTANCE_DATA *Instance
);
#endif