342 lines
12 KiB
C
342 lines
12 KiB
C
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/** @file
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UEFI Component Name(2) protocol implementation for MnpDxe driver.
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Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "MnpImpl.h"
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//
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// EFI Component Name Protocol
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//
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gMnpComponentName = {
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MnpComponentNameGetDriverName,
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MnpComponentNameGetControllerName,
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"eng"
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};
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//
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// EFI Component Name 2 Protocol
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//
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gMnpComponentName2 = {
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(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) MnpComponentNameGetDriverName,
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(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) MnpComponentNameGetControllerName,
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"en"
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};
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mMnpDriverNameTable[] = {
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{
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"eng;en",
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L"MNP Network Service Driver"
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},
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{
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NULL,
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NULL
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}
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};
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gMnpControllerNameTable = NULL;
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/**
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Retrieves a Unicode string that is the user readable name of the driver.
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This function retrieves the user readable name of a driver in the form of a
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Unicode string. If the driver specified by This has a user readable name in
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the language specified by Language, then a pointer to the driver name is
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returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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by This does not support the language specified by Language,
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then EFI_UNSUPPORTED is returned.
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@param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param[in] Language A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified
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in RFC 4646 or ISO 639-2 language code format.
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@param[out] DriverName A pointer to the Unicode string to return.
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This Unicode string is the name of the
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driver specified by This in the language
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specified by Language.
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@retval EFI_SUCCESS The Unicode string for the Driver specified by
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This and the language specified by Language was
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returned in DriverName.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER DriverName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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MnpComponentNameGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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)
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{
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return LookupUnicodeString2 (
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Language,
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This->SupportedLanguages,
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mMnpDriverNameTable,
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DriverName,
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(BOOLEAN) (This == &gMnpComponentName)
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);
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}
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/**
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Update the component name for the MNP child handle.
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@param Mnp[in] A pointer to the EFI_MANAGED_NETWORK_PROTOCOL.
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@retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully.
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@retval EFI_INVALID_PARAMETER The input parameter is invalid.
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**/
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EFI_STATUS
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UpdateName (
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IN EFI_MANAGED_NETWORK_PROTOCOL *Mnp
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)
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{
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EFI_STATUS Status;
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MNP_INSTANCE_DATA *Instance;
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CHAR16 HandleName[80];
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EFI_MANAGED_NETWORK_CONFIG_DATA MnpConfigData;
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EFI_SIMPLE_NETWORK_MODE SnpModeData;
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UINTN OffSet;
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UINTN Index;
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if (Mnp == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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Instance = MNP_INSTANCE_DATA_FROM_THIS (Mnp);
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//
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// Format the child name into the string buffer as:
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// MNP (MAC=FF-FF-FF-FF-FF-FF, ProtocolType=0x0800, VlanId=0)
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//
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Status = Mnp->GetModeData (Mnp, &MnpConfigData, &SnpModeData);
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if (!EFI_ERROR (Status)) {
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OffSet = 0;
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//
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// Print the MAC address.
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//
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OffSet += UnicodeSPrint (
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HandleName,
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sizeof (HandleName),
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L"MNP (MAC="
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);
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for (Index = 0; Index < SnpModeData.HwAddressSize; Index++) {
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OffSet += UnicodeSPrint (
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HandleName + OffSet,
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sizeof (HandleName) - OffSet * sizeof (CHAR16),
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L"%02X-",
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SnpModeData.CurrentAddress.Addr[Index]
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);
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}
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ASSERT (OffSet > 0);
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//
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// Remove the last '-'
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//
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OffSet--;
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//
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// Print the ProtocolType and VLAN ID for this instance.
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//
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OffSet += UnicodeSPrint (
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HandleName + OffSet,
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sizeof (HandleName) - OffSet * sizeof (CHAR16),
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L", ProtocolType=0x%X, VlanId=%d)",
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MnpConfigData.ProtocolTypeFilter,
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Instance->MnpServiceData->VlanId
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);
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} else if (Status == EFI_NOT_STARTED) {
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UnicodeSPrint (
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HandleName,
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sizeof (HandleName),
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L"MNP (Not started)"
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);
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} else {
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return Status;
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}
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if (gMnpControllerNameTable != NULL) {
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FreeUnicodeStringTable (gMnpControllerNameTable);
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gMnpControllerNameTable = NULL;
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}
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Status = AddUnicodeString2 (
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"eng",
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gMnpComponentName.SupportedLanguages,
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&gMnpControllerNameTable,
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HandleName,
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TRUE
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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return AddUnicodeString2 (
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"en",
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gMnpComponentName2.SupportedLanguages,
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&gMnpControllerNameTable,
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HandleName,
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FALSE
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);
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}
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/**
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Retrieves a Unicode string that is the user readable name of the controller
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that is being managed by a driver.
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This function retrieves the user readable name of the controller specified by
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ControllerHandle and ChildHandle in the form of a Unicode string. If the
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driver specified by This has a user readable name in the language specified by
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Language, then a pointer to the controller name is returned in ControllerName,
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and EFI_SUCCESS is returned. If the driver specified by This is not currently
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managing the controller specified by ControllerHandle and ChildHandle,
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then EFI_UNSUPPORTED is returned. If the driver specified by This does not
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support the language specified by Language, then EFI_UNSUPPORTED is returned.
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Currently not implemented.
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@param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param[in] ControllerHandle The handle of a controller that the driver
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specified by This is managing. This handle
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specifies the controller whose name is to be
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returned.
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@param[in] ChildHandle The handle of the child controller to retrieve
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the name of. This is an optional parameter that
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may be NULL. It will be NULL for device
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drivers. It will also be NULL for a bus drivers
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that wish to retrieve the name of the bus
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controller. It will not be NULL for a bus
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driver that wishes to retrieve the name of a
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child controller.
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@param[in] Language A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified in
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RFC 4646 or ISO 639-2 language code format.
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@param[out] ControllerName A pointer to the Unicode string to return.
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This Unicode string is the name of the
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controller specified by ControllerHandle and
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ChildHandle in the language specified by
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Language from the point of view of the driver
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specified by This.
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@retval EFI_SUCCESS The Unicode string for the user readable name
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specified by This, ControllerHandle, ChildHandle,
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and Language was returned in ControllerName.
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@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ControllerName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This is not currently
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managing the controller specified by
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ControllerHandle and ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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MnpComponentNameGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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)
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{
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EFI_STATUS Status;
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EFI_MANAGED_NETWORK_PROTOCOL *Mnp;
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//
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// Only provide names for MNP child handles.
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//
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if (ChildHandle == NULL) {
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return EFI_UNSUPPORTED;
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}
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//
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// Make sure this driver is currently managing ControllerHandle
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//
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Status = EfiTestManagedDevice (
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ControllerHandle,
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gMnpDriverBinding.DriverBindingHandle,
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&gEfiSimpleNetworkProtocolGuid
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Make sure this driver produced ChildHandle
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//
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Status = EfiTestChildHandle (
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ControllerHandle,
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ChildHandle,
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&gEfiManagedNetworkServiceBindingProtocolGuid
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Retrieve an instance of a produced protocol from ChildHandle
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//
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Status = gBS->OpenProtocol (
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ChildHandle,
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&gEfiManagedNetworkProtocolGuid,
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(VOID **)&Mnp,
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NULL,
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NULL,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Update the component name for this child handle.
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//
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Status = UpdateName (Mnp);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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return LookupUnicodeString2 (
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Language,
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This->SupportedLanguages,
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gMnpControllerNameTable,
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ControllerName,
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(BOOLEAN)(This == &gMnpComponentName)
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);
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}
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