Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Siyuan Fu <siyuan.fu@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16129 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			349 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			349 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   UEFI Component Name(2) protocol implementation for MnpDxe driver.
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| 
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| Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved.<BR>
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| This program and the accompanying materials
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| are licensed and made available under the terms and conditions
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| of the BSD License which accompanies this distribution.  The full
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| text of the license may be found at<BR>
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| http://opensource.org/licenses/bsd-license.php
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| 
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| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 
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| **/
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| 
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| #include  "MnpImpl.h"
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| 
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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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| //
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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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| 
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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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| 
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| GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE    *gMnpControllerNameTable = NULL;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|   @retval EFI_INVALID_PARAMETER Language is NULL.
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| 
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|   @retval EFI_INVALID_PARAMETER DriverName is NULL.
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| 
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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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| **/
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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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| /**
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|   Update the component name for the MNP child handle.
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| 
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|   @param  Mnp[in]                 A pointer to the EFI_MANAGED_NETWORK_PROTOCOL.
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| 
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|   
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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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| **/
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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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| 
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|   if (Mnp == NULL) {
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|     return EFI_INVALID_PARAMETER;
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|   }
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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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|   
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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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|   
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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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|   
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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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| /**
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
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| 
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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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| 
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|   @retval EFI_INVALID_PARAMETER Language is NULL.
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| 
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|   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
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| 
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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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| 
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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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| **/
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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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|   //
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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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|   // 
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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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|   // 
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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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|   // 
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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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|   //
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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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| 
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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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