| 1 | /** @file
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| 2 | UEFI Component Name(2) protocol implementation for SnpDxe driver.
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| 3 |
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| 4 | Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
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| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 6 |
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| 7 | **/
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| 8 |
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| 9 | #include "Snp.h"
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| 10 |
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| 11 | //
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| 12 | // EFI Component Name Functions
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| 13 | //
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| 14 |
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| 15 | /**
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| 16 | Retrieves a Unicode string that is the user readable name of the driver.
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| 17 |
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| 18 | This function retrieves the user readable name of a driver in the form of a
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| 19 | Unicode string. If the driver specified by This has a user readable name in
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| 20 | the language specified by Language, then a pointer to the driver name is
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| 21 | returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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| 22 | by This does not support the language specified by Language,
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| 23 | then EFI_UNSUPPORTED is returned.
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| 24 |
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| 25 | @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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| 26 | EFI_COMPONENT_NAME_PROTOCOL instance.
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| 27 |
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| 28 | @param Language[in] A pointer to a Null-terminated ASCII string
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| 29 | array indicating the language. This is the
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| 30 | language of the driver name that the caller is
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| 31 | requesting, and it must match one of the
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| 32 | languages specified in SupportedLanguages. The
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| 33 | number of languages supported by a driver is up
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| 34 | to the driver writer. Language is specified
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| 35 | in RFC 4646 or ISO 639-2 language code format.
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| 36 |
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| 37 | @param DriverName[out] A pointer to the Unicode string to return.
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| 38 | This Unicode string is the name of the
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| 39 | driver specified by This in the language
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| 40 | specified by Language.
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| 41 |
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| 42 | @retval EFI_SUCCESS The Unicode string for the Driver specified by
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| 43 | This and the language specified by Language was
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| 44 | returned in DriverName.
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| 45 |
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| 46 | @retval EFI_INVALID_PARAMETER Language is NULL.
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| 47 |
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| 48 | @retval EFI_INVALID_PARAMETER DriverName is NULL.
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| 49 |
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| 50 | @retval EFI_UNSUPPORTED The driver specified by This does not support
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| 51 | the language specified by Language.
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| 52 |
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| 53 | **/
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| 54 | EFI_STATUS
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| 55 | EFIAPI
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| 56 | SimpleNetworkComponentNameGetDriverName (
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| 57 | IN EFI_COMPONENT_NAME_PROTOCOL *This,
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| 58 | IN CHAR8 *Language,
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| 59 | OUT CHAR16 **DriverName
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| 60 | );
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| 61 |
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| 62 | /**
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| 63 | Retrieves a Unicode string that is the user readable name of the controller
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| 64 | that is being managed by a driver.
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| 65 |
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| 66 | This function retrieves the user readable name of the controller specified by
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| 67 | ControllerHandle and ChildHandle in the form of a Unicode string. If the
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| 68 | driver specified by This has a user readable name in the language specified by
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| 69 | Language, then a pointer to the controller name is returned in ControllerName,
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| 70 | and EFI_SUCCESS is returned. If the driver specified by This is not currently
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| 71 | managing the controller specified by ControllerHandle and ChildHandle,
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| 72 | then EFI_UNSUPPORTED is returned. If the driver specified by This does not
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| 73 | support the language specified by Language, then EFI_UNSUPPORTED is returned.
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| 74 |
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| 75 | @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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| 76 | EFI_COMPONENT_NAME_PROTOCOL instance.
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| 77 |
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| 78 | @param ControllerHandle[in] The handle of a controller that the driver
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| 79 | specified by This is managing. This handle
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| 80 | specifies the controller whose name is to be
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| 81 | returned.
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| 82 |
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| 83 | @param ChildHandle[in] The handle of the child controller to retrieve
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| 84 | the name of. This is an optional parameter that
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| 85 | may be NULL. It will be NULL for device
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| 86 | drivers. It will also be NULL for a bus drivers
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| 87 | that wish to retrieve the name of the bus
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| 88 | controller. It will not be NULL for a bus
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| 89 | driver that wishes to retrieve the name of a
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| 90 | child controller.
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| 91 |
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| 92 | @param Language[in] A pointer to a Null-terminated ASCII string
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| 93 | array indicating the language. This is the
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| 94 | language of the driver name that the caller is
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| 95 | requesting, and it must match one of the
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| 96 | languages specified in SupportedLanguages. The
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| 97 | number of languages supported by a driver is up
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| 98 | to the driver writer. Language is specified in
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| 99 | RFC 4646 or ISO 639-2 language code format.
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| 100 |
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| 101 | @param ControllerName[out] A pointer to the Unicode string to return.
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| 102 | This Unicode string is the name of the
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| 103 | controller specified by ControllerHandle and
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| 104 | ChildHandle in the language specified by
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| 105 | Language from the point of view of the driver
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| 106 | specified by This.
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| 107 |
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| 108 | @retval EFI_SUCCESS The Unicode string for the user readable name in
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| 109 | the language specified by Language for the
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| 110 | driver specified by This was returned in
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| 111 | DriverName.
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| 112 |
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| 113 | @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
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| 114 |
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| 115 | @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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| 116 | EFI_HANDLE.
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| 117 |
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| 118 | @retval EFI_INVALID_PARAMETER Language is NULL.
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| 119 |
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| 120 | @retval EFI_INVALID_PARAMETER ControllerName is NULL.
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| 121 |
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| 122 | @retval EFI_UNSUPPORTED The driver specified by This is not currently
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| 123 | managing the controller specified by
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| 124 | ControllerHandle and ChildHandle.
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| 125 |
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| 126 | @retval EFI_UNSUPPORTED The driver specified by This does not support
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| 127 | the language specified by Language.
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| 128 |
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| 129 | **/
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| 130 | EFI_STATUS
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| 131 | EFIAPI
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| 132 | SimpleNetworkComponentNameGetControllerName (
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| 133 | IN EFI_COMPONENT_NAME_PROTOCOL *This,
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| 134 | IN EFI_HANDLE ControllerHandle,
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| 135 | IN EFI_HANDLE ChildHandle OPTIONAL,
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| 136 | IN CHAR8 *Language,
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| 137 | OUT CHAR16 **ControllerName
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| 138 | );
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| 139 |
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| 140 | //
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| 141 | // EFI Component Name Protocol
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| 142 | //
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| 143 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gSimpleNetworkComponentName = {
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| 144 | SimpleNetworkComponentNameGetDriverName,
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| 145 | SimpleNetworkComponentNameGetControllerName,
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| 146 | "eng"
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| 147 | };
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| 148 |
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| 149 | //
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| 150 | // EFI Component Name 2 Protocol
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| 151 | //
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| 152 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gSimpleNetworkComponentName2 = {
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| 153 | (EFI_COMPONENT_NAME2_GET_DRIVER_NAME)SimpleNetworkComponentNameGetDriverName,
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| 154 | (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME)SimpleNetworkComponentNameGetControllerName,
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| 155 | "en"
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| 156 | };
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| 157 |
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| 158 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mSimpleNetworkDriverNameTable[] = {
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| 159 | {
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| 160 | "eng;en",
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| 161 | L"Simple Network Protocol Driver"
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| 162 | },
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| 163 | {
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| 164 | NULL,
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| 165 | NULL
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| 166 | }
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| 167 | };
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| 168 |
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| 169 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gSimpleNetworkControllerNameTable = NULL;
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| 170 |
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| 171 | /**
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| 172 | Retrieves a Unicode string that is the user readable name of the driver.
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| 173 |
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| 174 | This function retrieves the user readable name of a driver in the form of a
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| 175 | Unicode string. If the driver specified by This has a user readable name in
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| 176 | the language specified by Language, then a pointer to the driver name is
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| 177 | returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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| 178 | by This does not support the language specified by Language,
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| 179 | then EFI_UNSUPPORTED is returned.
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| 180 |
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| 181 | @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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| 182 | EFI_COMPONENT_NAME_PROTOCOL instance.
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| 183 |
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| 184 | @param Language[in] A pointer to a Null-terminated ASCII string
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| 185 | array indicating the language. This is the
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| 186 | language of the driver name that the caller is
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| 187 | requesting, and it must match one of the
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| 188 | languages specified in SupportedLanguages. The
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| 189 | number of languages supported by a driver is up
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| 190 | to the driver writer. Language is specified
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| 191 | in RFC 4646 or ISO 639-2 language code format.
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| 192 |
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| 193 | @param DriverName[out] A pointer to the Unicode string to return.
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| 194 | This Unicode string is the name of the
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| 195 | driver specified by This in the language
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| 196 | specified by Language.
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| 197 |
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| 198 | @retval EFI_SUCCESS The Unicode string for the Driver specified by
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| 199 | This and the language specified by Language was
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| 200 | returned in DriverName.
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| 201 |
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| 202 | @retval EFI_INVALID_PARAMETER Language is NULL.
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| 203 |
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| 204 | @retval EFI_INVALID_PARAMETER DriverName is NULL.
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| 205 |
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| 206 | @retval EFI_UNSUPPORTED The driver specified by This does not support
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| 207 | the language specified by Language.
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| 208 |
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| 209 | **/
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| 210 | EFI_STATUS
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| 211 | EFIAPI
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| 212 | SimpleNetworkComponentNameGetDriverName (
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| 213 | IN EFI_COMPONENT_NAME_PROTOCOL *This,
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| 214 | IN CHAR8 *Language,
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| 215 | OUT CHAR16 **DriverName
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| 216 | )
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| 217 | {
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| 218 | return LookupUnicodeString2 (
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| 219 | Language,
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| 220 | This->SupportedLanguages,
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| 221 | mSimpleNetworkDriverNameTable,
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| 222 | DriverName,
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| 223 | (BOOLEAN)(This == &gSimpleNetworkComponentName)
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| 224 | );
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| 225 | }
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| 226 |
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| 227 | /**
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| 228 | Update the component name for the Snp child handle.
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| 229 |
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| 230 | @param Snp[in] A pointer to the EFI_SIMPLE_NETWORK_PROTOCOL.
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| 231 |
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| 232 |
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| 233 | @retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully.
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| 234 | @retval EFI_INVALID_PARAMETER The input parameter is invalid.
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| 235 |
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| 236 | **/
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| 237 | EFI_STATUS
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| 238 | UpdateName (
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| 239 | IN EFI_SIMPLE_NETWORK_PROTOCOL *Snp
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| 240 | )
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| 241 | {
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| 242 | EFI_STATUS Status;
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| 243 | CHAR16 HandleName[80];
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| 244 | UINTN OffSet;
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| 245 | UINTN Index;
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| 246 |
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| 247 | if (Snp == NULL) {
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| 248 | return EFI_INVALID_PARAMETER;
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| 249 | }
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| 250 |
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| 251 | OffSet = 0;
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| 252 | OffSet += UnicodeSPrint (
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| 253 | HandleName,
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| 254 | sizeof (HandleName),
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| 255 | L"SNP (MAC="
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| 256 | );
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| 257 | for (Index = 0; Index < Snp->Mode->HwAddressSize; Index++) {
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| 258 | OffSet += UnicodeSPrint (
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| 259 | HandleName + OffSet,
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| 260 | sizeof (HandleName) - OffSet * sizeof (CHAR16),
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| 261 | L"%02X-",
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| 262 | Snp->Mode->CurrentAddress.Addr[Index]
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| 263 | );
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| 264 | }
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| 265 |
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| 266 | ASSERT (OffSet > 0);
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| 267 | //
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| 268 | // Remove the last '-'
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| 269 | //
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| 270 | OffSet--;
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| 271 | OffSet += UnicodeSPrint (
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| 272 | HandleName + OffSet,
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| 273 | sizeof (HandleName) - OffSet * sizeof (CHAR16),
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| 274 | L")"
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| 275 | );
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| 276 | if (gSimpleNetworkControllerNameTable != NULL) {
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| 277 | FreeUnicodeStringTable (gSimpleNetworkControllerNameTable);
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| 278 | gSimpleNetworkControllerNameTable = NULL;
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| 279 | }
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| 280 |
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| 281 | Status = AddUnicodeString2 (
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| 282 | "eng",
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| 283 | gSimpleNetworkComponentName.SupportedLanguages,
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| 284 | &gSimpleNetworkControllerNameTable,
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| 285 | HandleName,
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| 286 | TRUE
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| 287 | );
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| 288 | if (EFI_ERROR (Status)) {
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| 289 | return Status;
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| 290 | }
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| 291 |
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| 292 | return AddUnicodeString2 (
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| 293 | "en",
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| 294 | gSimpleNetworkComponentName2.SupportedLanguages,
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| 295 | &gSimpleNetworkControllerNameTable,
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| 296 | HandleName,
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| 297 | FALSE
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| 298 | );
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| 299 | }
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| 300 |
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| 301 | /**
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| 302 | Retrieves a Unicode string that is the user readable name of the controller
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| 303 | that is being managed by a driver.
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| 304 |
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| 305 | This function retrieves the user readable name of the controller specified by
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| 306 | ControllerHandle and ChildHandle in the form of a Unicode string. If the
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| 307 | driver specified by This has a user readable name in the language specified by
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| 308 | Language, then a pointer to the controller name is returned in ControllerName,
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| 309 | and EFI_SUCCESS is returned. If the driver specified by This is not currently
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| 310 | managing the controller specified by ControllerHandle and ChildHandle,
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| 311 | then EFI_UNSUPPORTED is returned. If the driver specified by This does not
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| 312 | support the language specified by Language, then EFI_UNSUPPORTED is returned.
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| 313 | Currently not implemented.
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| 314 |
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| 315 | @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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| 316 | EFI_COMPONENT_NAME_PROTOCOL instance.
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| 317 |
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| 318 | @param ControllerHandle[in] The handle of a controller that the driver
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| 319 | specified by This is managing. This handle
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| 320 | specifies the controller whose name is to be
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| 321 | returned.
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| 322 |
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| 323 | @param ChildHandle[in] The handle of the child controller to retrieve
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| 324 | the name of. This is an optional parameter that
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| 325 | may be NULL. It will be NULL for device
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| 326 | drivers. It will also be NULL for a bus drivers
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| 327 | that wish to retrieve the name of the bus
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| 328 | controller. It will not be NULL for a bus
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| 329 | driver that wishes to retrieve the name of a
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| 330 | child controller.
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| 331 |
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| 332 | @param Language[in] A pointer to a Null-terminated ASCII string
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| 333 | array indicating the language. This is the
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| 334 | language of the driver name that the caller is
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| 335 | requesting, and it must match one of the
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| 336 | languages specified in SupportedLanguages. The
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| 337 | number of languages supported by a driver is up
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| 338 | to the driver writer. Language is specified in
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| 339 | RFC 4646 or ISO 639-2 language code format.
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| 340 |
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| 341 | @param ControllerName[out] A pointer to the Unicode string to return.
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| 342 | This Unicode string is the name of the
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| 343 | controller specified by ControllerHandle and
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| 344 | ChildHandle in the language specified by
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| 345 | Language from the point of view of the driver
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| 346 | specified by This.
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| 347 |
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| 348 | @retval EFI_SUCCESS The Unicode string for the user readable name in
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| 349 | the language specified by Language for the
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| 350 | driver specified by This was returned in
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| 351 | DriverName.
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| 352 |
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| 353 | @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
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| 354 |
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| 355 | @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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| 356 | EFI_HANDLE.
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| 357 |
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| 358 | @retval EFI_INVALID_PARAMETER Language is NULL.
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| 359 |
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| 360 | @retval EFI_INVALID_PARAMETER ControllerName is NULL.
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| 361 |
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| 362 | @retval EFI_UNSUPPORTED The driver specified by This is not currently
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| 363 | managing the controller specified by
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| 364 | ControllerHandle and ChildHandle.
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| 365 |
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| 366 | @retval EFI_UNSUPPORTED The driver specified by This does not support
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| 367 | the language specified by Language.
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| 368 |
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| 369 | **/
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| 370 | EFI_STATUS
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| 371 | EFIAPI
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| 372 | SimpleNetworkComponentNameGetControllerName (
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| 373 | IN EFI_COMPONENT_NAME_PROTOCOL *This,
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| 374 | IN EFI_HANDLE ControllerHandle,
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| 375 | IN EFI_HANDLE ChildHandle OPTIONAL,
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| 376 | IN CHAR8 *Language,
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| 377 | OUT CHAR16 **ControllerName
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| 378 | )
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| 379 | {
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| 380 | EFI_STATUS Status;
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| 381 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
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| 382 |
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| 383 | if (ChildHandle != NULL) {
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| 384 | return EFI_UNSUPPORTED;
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| 385 | }
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| 386 |
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| 387 | //
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| 388 | // Make sure this driver is currently managing ControllHandle
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| 389 | //
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| 390 | Status = EfiTestManagedDevice (
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| 391 | ControllerHandle,
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| 392 | gSimpleNetworkDriverBinding.DriverBindingHandle,
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| 393 | &gEfiSimpleNetworkProtocolGuid
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| 394 | );
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| 395 | if (EFI_ERROR (Status)) {
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| 396 | return Status;
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| 397 | }
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| 398 |
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| 399 | //
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| 400 | // Retrieve an instance of a produced protocol from ControllerHandle
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| 401 | //
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| 402 | Status = gBS->OpenProtocol (
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| 403 | ControllerHandle,
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| 404 | &gEfiSimpleNetworkProtocolGuid,
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| 405 | (VOID **)&Snp,
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| 406 | NULL,
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| 407 | NULL,
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| 408 | EFI_OPEN_PROTOCOL_GET_PROTOCOL
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| 409 | );
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| 410 | if (EFI_ERROR (Status)) {
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| 411 | return Status;
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| 412 | }
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| 413 |
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| 414 | //
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| 415 | // Update the component name for this child handle.
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| 416 | //
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| 417 | Status = UpdateName (Snp);
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| 418 | if (EFI_ERROR (Status)) {
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| 419 | return Status;
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| 420 | }
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| 421 |
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| 422 | return LookupUnicodeString2 (
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| 423 | Language,
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| 424 | This->SupportedLanguages,
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| 425 | gSimpleNetworkControllerNameTable,
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| 426 | ControllerName,
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| 427 | (BOOLEAN)(This == &gSimpleNetworkComponentName)
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|---|
| 428 | );
|
|---|
| 429 | }
|
|---|
