2ac288f919
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11297 6f19259b-4bc3-4df7-8a09-765794883524
157 lines
5.1 KiB
C
157 lines
5.1 KiB
C
/** @file
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Copyright (c) 2010, Apple, Inc. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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UnixSnp.h
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Abstract:
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-**/
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#ifndef _UNIX_SNP_H_
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#define _UNIX_SNP_H_
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#include <Uefi.h>
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#include <Protocol/SimpleNetwork.h>
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#include <Protocol/DevicePath.h>
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#include <Protocol/UnixIo.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/NetLib.h>
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#define NET_ETHER_HEADER_SIZE 14
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//
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// Private data for driver.
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//
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#define UNIX_SNP_PRIVATE_DATA_SIGNATURE SIGNATURE_32( 'U', 'S', 'N', 'P' )
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typedef struct
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{
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UINT32 Signature;
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EFI_UNIX_THUNK_PROTOCOL* UnixThunk;
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EFI_HANDLE DeviceHandle;
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EFI_DEVICE_PATH_PROTOCOL* DevicePath;
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EFI_MAC_ADDRESS MacAddress;
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CHAR8* InterfaceName;
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INTN ReadBufferSize;
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VOID* ReadBuffer;
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//
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// Two walking pointers to manage the multiple packets that can be returned
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// in a single read.
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//
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VOID* CurrentReadPointer;
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VOID* EndReadPointer;
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INTN BpfFd;
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EFI_SIMPLE_NETWORK_PROTOCOL Snp;
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EFI_SIMPLE_NETWORK_MODE Mode;
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} UNIX_SNP_PRIVATE_DATA;
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#define UNIX_SNP_PRIVATE_DATA_FROM_SNP_THIS(a) \
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CR( a, UNIX_SNP_PRIVATE_DATA, Snp, UNIX_SNP_PRIVATE_DATA_SIGNATURE )
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extern EFI_DRIVER_BINDING_PROTOCOL gUnixSnpDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gUnixSnpDriverComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gUnixSnpDriverComponentName2;
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/**
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Test to see if this driver supports ControllerHandle. This service
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is called by the EFI boot service ConnectController(). In
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order to make drivers as small as possible, there are a few calling
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restrictions for this service. ConnectController() must
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follow these calling restrictions. If any other agent wishes to call
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Supported() it must also follow these calling restrictions.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to test
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver supports this device
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@retval EFI_UNSUPPORTED This driver does not support this device
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**/
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EFI_STATUS
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EFIAPI
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UnixSnpDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL * This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL
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);
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/**
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Start this driver on ControllerHandle. This service is called by the
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EFI boot service ConnectController(). In order to make
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drivers as small as possible, there are a few calling restrictions for
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this service. ConnectController() must follow these
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calling restrictions. If any other agent wishes to call Start() it
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must also follow these calling restrictions.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to bind driver to
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS Always succeeds.
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**/
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EFI_STATUS
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EFIAPI
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UnixSnpDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL * This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL
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);
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/**
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Stop this driver on ControllerHandle. This service is called by the
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EFI boot service DisconnectController(). In order to
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make drivers as small as possible, there are a few calling
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restrictions for this service. DisconnectController()
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must follow these calling restrictions. If any other agent wishes
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to call Stop() it must also follow these calling restrictions.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to stop driver on
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@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
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children is zero stop the entire bus driver.
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@param ChildHandleBuffer List of Child Handles to Stop.
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@retval EFI_SUCCESS Always succeeds.
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**/
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EFI_STATUS
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EFIAPI
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UnixSnpDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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#endif // _UNIX_SNP_H_
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