483 lines
18 KiB
C
483 lines
18 KiB
C
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/** @file
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Copyright (c) 2010, Apple, Inc. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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Module Name:
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EmuSnp.h
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Abstract:
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-**/
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#ifndef _EMU_SNP_H_
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#define _EMU_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/EmuIoThunk.h>
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#include <Protocol/EmuSnp.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 EMU_SNP_PRIVATE_DATA_SIGNATURE SIGNATURE_32( 'U', 'S', 'N', 'P' )
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typedef struct {
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UINTN Signature;
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EMU_IO_THUNK_PROTOCOL *IoThunk;
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EMU_SNP_PROTOCOL *Io;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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EFI_HANDLE EfiHandle;
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EFI_HANDLE DeviceHandle;
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EFI_SIMPLE_NETWORK_PROTOCOL Snp;
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EFI_SIMPLE_NETWORK_MODE Mode;
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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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} EMU_SNP_PRIVATE_DATA;
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#define EMU_SNP_PRIVATE_DATA_FROM_SNP_THIS(a) \
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CR( a, EMU_SNP_PRIVATE_DATA, Snp, EMU_SNP_PRIVATE_DATA_SIGNATURE )
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extern EFI_DRIVER_BINDING_PROTOCOL gEmuSnpDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gEmuSnpDriverComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gEmuSnpDriverComponentName2;
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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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EmuSnpDriverBindingSupported (
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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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EmuSnpDriverBindingStart (
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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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EmuSnpDriverBindingStop (
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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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/**
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Changes the state of a network interface from "stopped" to "started".
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@param This Protocol instance pointer.
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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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EmuSnpStart(
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IN EFI_SIMPLE_NETWORK_PROTOCOL* This
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);
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/**
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Changes the state of a network interface from "started" to "stopped".
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@param This Protocol instance pointer.
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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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EmuSnpStop(
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IN EFI_SIMPLE_NETWORK_PROTOCOL* This
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);
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/**
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Resets a network adapter and allocates the transmit and receive buffers
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required by the network interface; optionally, also requests allocation
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of additional transmit and receive buffers.
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@param This Protocol instance pointer.
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@param ExtraRxBufferSize The size, in bytes, of the extra receive buffer space
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that the driver should allocate for the network interface.
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Some network interfaces will not be able to use the extra
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buffer, and the caller will not know if it is actually
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being used.
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@param ExtraTxBufferSize The size, in bytes, of the extra transmit buffer space
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that the driver should allocate for the network interface.
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Some network interfaces will not be able to use the extra
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buffer, and the caller will not know if it is actually
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being used.
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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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EmuSnpInitialize(
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IN EFI_SIMPLE_NETWORK_PROTOCOL* This,
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IN UINTN ExtraRxBufferSize OPTIONAL,
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IN UINTN ExtraTxBufferSize OPTIONAL
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);
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/**
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Resets a network adapter and re-initializes it with the parameters that were
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provided in the previous call to Initialize().
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@param This Protocol instance pointer.
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@param ExtendedVerification Indicates that the driver may perform a more
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exhaustive verification operation of the device
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during reset.
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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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EmuSnpReset(
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IN EFI_SIMPLE_NETWORK_PROTOCOL* This,
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IN BOOLEAN ExtendedVerification
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);
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/**
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Resets a network adapter and leaves it in a state that is safe for
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another driver to initialize.
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@param This Protocol instance pointer.
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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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EmuSnpShutdown(
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IN EFI_SIMPLE_NETWORK_PROTOCOL* This
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);
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/**
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Manages the multicast receive filters of a network interface.
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@param This Protocol instance pointer.
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@param EnableBits A bit mask of receive filters to enable on the network interface.
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@param DisableBits A bit mask of receive filters to disable on the network interface.
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@param ResetMcastFilter Set to TRUE to reset the contents of the multicast receive
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filters on the network interface to their default values.
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@param McastFilterCount Number of multicast HW MAC addresses in the new
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MCastFilter list. This value must be less than or equal to
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the MCastFilterCnt field of EFI_SIMPLE_NETWORK_MODE. This
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field is optional if ResetMCastFilter is TRUE.
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@param McastFilter A pointer to a list of new multicast receive filter HW MAC
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addresses. This list will replace any existing multicast
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HW MAC address list. This field is optional if
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ResetMCastFilter is TRUE.
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@retval EFI_SUCCESS The multicast receive filter list was updated.
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@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
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**/
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EFI_STATUS
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EFIAPI
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EmuSnpReceiveFilters(
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IN EFI_SIMPLE_NETWORK_PROTOCOL* This,
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IN UINT32 EnableBits,
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IN UINT32 DisableBits,
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IN BOOLEAN ResetMcastFilter,
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IN UINTN McastFilterCount OPTIONAL,
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IN EFI_MAC_ADDRESS* McastFilter OPTIONAL
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);
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/**
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Modifies or resets the current station address, if supported.
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@param This Protocol instance pointer.
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@param Reset Flag used to reset the station address to the network interfaces
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permanent address.
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@param NewMacAddr New station address to be used for the network interface.
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@retval EFI_UNSUPPORTED Not supported yet.
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**/
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EFI_STATUS
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EFIAPI
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EmuSnpStationAddress(
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IN EFI_SIMPLE_NETWORK_PROTOCOL* This,
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IN BOOLEAN Reset,
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IN EFI_MAC_ADDRESS* NewMacAddr OPTIONAL
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);
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/**
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Resets or collects the statistics on a network interface.
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@param This Protocol instance pointer.
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@param Reset Set to TRUE to reset the statistics for the network interface.
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@param StatisticsSize On input the size, in bytes, of StatisticsTable. On
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output the size, in bytes, of the resulting table of
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statistics.
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@param StatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure that
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contains the statistics.
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@retval EFI_SUCCESS The statistics were collected from the network interface.
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@retval EFI_NOT_STARTED The network interface has not been started.
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@retval EFI_BUFFER_TOO_SMALL The Statistics buffer was too small. The current buffer
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size needed to hold the statistics is returned in
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StatisticsSize.
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@retval EFI_UNSUPPORTED Not supported yet.
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**/
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EFI_STATUS
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EFIAPI
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EmuSnpStatistics(
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IN EFI_SIMPLE_NETWORK_PROTOCOL* This,
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IN BOOLEAN Reset,
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IN OUT UINTN* StatisticsSize OPTIONAL,
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OUT EFI_NETWORK_STATISTICS* StatisticsTable OPTIONAL
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);
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/**
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Converts a multicast IP address to a multicast HW MAC address.
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@param This Protocol instance pointer.
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@param Ipv6 Set to TRUE if the multicast IP address is IPv6 [RFC 2460]. Set
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to FALSE if the multicast IP address is IPv4 [RFC 791].
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@param Ip The multicast IP address that is to be converted to a multicast
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HW MAC address.
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@param Mac The multicast HW MAC address that is to be generated from IP.
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@retval EFI_SUCCESS The multicast IP address was mapped to the multicast
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HW MAC address.
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@retval EFI_NOT_STARTED The network interface has not been started.
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@retval EFI_BUFFER_TOO_SMALL The Statistics buffer was too small. The current buffer
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size needed to hold the statistics is returned in
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StatisticsSize.
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@retval EFI_UNSUPPORTED Not supported yet.
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**/
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EFI_STATUS
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EFIAPI
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EmuSnpMcastIptoMac(
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IN EFI_SIMPLE_NETWORK_PROTOCOL* This,
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IN BOOLEAN Ipv6,
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IN EFI_IP_ADDRESS* Ip,
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OUT EFI_MAC_ADDRESS* Mac
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);
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/**
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Performs read and write operations on the NVRAM device attached to a
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network interface.
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@param This Protocol instance pointer.
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@param ReadOrWrite TRUE for read operations, FALSE for write operations.
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@param Offset Byte offset in the NVRAM device at which to start the read or
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write operation. This must be a multiple of NvRamAccessSize and
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less than NvRamSize.
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@param BufferSize The number of bytes to read or write from the NVRAM device.
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This must also be a multiple of NvramAccessSize.
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@param Buffer A pointer to the data buffer.
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@retval EFI_UNSUPPORTED Not supported yet.
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**/
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EFI_STATUS
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EFIAPI
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EmuSnpNvdata(
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IN EFI_SIMPLE_NETWORK_PROTOCOL* This,
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IN BOOLEAN ReadOrWrite,
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IN UINTN Offset,
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IN UINTN BufferSize,
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IN OUT VOID* Buffer
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);
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/**
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Reads the current interrupt status and recycled transmit buffer status from
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a network interface.
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@param This Protocol instance pointer.
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@param InterruptStatus A pointer to the bit mask of the currently active interrupts
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If this is NULL, the interrupt status will not be read from
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the device. If this is not NULL, the interrupt status will
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be read from the device. When the interrupt status is read,
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it will also be cleared. Clearing the transmit interrupt
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does not empty the recycled transmit buffer array.
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@param TxBuffer Recycled transmit buffer address. The network interface will
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not transmit if its internal recycled transmit buffer array
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is full. Reading the transmit buffer does not clear the
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transmit interrupt. If this is NULL, then the transmit buffer
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status will not be read. If there are no transmit buffers to
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recycle and TxBuf is not NULL, * TxBuf will be set to NULL.
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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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EmuSnpGetStatus(
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IN EFI_SIMPLE_NETWORK_PROTOCOL* This,
|
||
|
|
OUT UINT32* InterruptStatus,
|
||
|
|
OUT VOID** TxBuffer
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Places a packet in the transmit queue of a network interface.
|
||
|
|
|
||
|
|
@param This 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_DEVICE_ERROR The command could not be sent to the network interface.
|
||
|
|
@retval EFI_ACCESS_DENIED Error acquire global lock for operation.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
EmuSnpTransmit(
|
||
|
|
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 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 BuffSize 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 SourceAddr The source HW MAC address. If this parameter is NULL, the
|
||
|
|
HW MAC source address will not be extracted from the media
|
||
|
|
header.
|
||
|
|
@param DestinationAddr 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_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_DEVICE_ERROR The command could not be sent to the network interface.
|
||
|
|
@retval EFI_ACCESS_DENIED Error acquire global lock for operation.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
EmuSnpReceive(
|
||
|
|
IN EFI_SIMPLE_NETWORK_PROTOCOL* This,
|
||
|
|
OUT UINTN* HeaderSize OPTIONAL,
|
||
|
|
IN OUT UINTN* BuffSize,
|
||
|
|
OUT VOID* Buffer,
|
||
|
|
OUT EFI_MAC_ADDRESS* SourceAddr OPTIONAL,
|
||
|
|
OUT EFI_MAC_ADDRESS* DestinationAddr OPTIONAL,
|
||
|
|
OUT UINT16* Protocol OPTIONAL
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
EFIAPI
|
||
|
|
EmuSnpWaitForPacketNotify(
|
||
|
|
IN EFI_EVENT Event,
|
||
|
|
IN VOID* Private
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif // _EMU_SNP_H_
|