X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FNetwork%2FSnpDxe%2FComponentName.c;h=2139e2a47f534c83f16269e0cfd6f5db1d5746ce;hp=e8f7ec18bc03ee50a53f7aef784cb9a2ce63d478;hb=c0fd7f734e2d33e22215899b40a47b843129541d;hpb=284ee2e829ab2453293b7dc4539727ad6c047163

diff --git a/MdeModulePkg/Universal/Network/SnpDxe/ComponentName.c b/MdeModulePkg/Universal/Network/SnpDxe/ComponentName.c
index e8f7ec18bc..2139e2a47f 100644
--- a/MdeModulePkg/Universal/Network/SnpDxe/ComponentName.c
+++ b/MdeModulePkg/Universal/Network/SnpDxe/ComponentName.c
@@ -1,14 +1,8 @@
 /** @file
     UEFI Component Name(2) protocol implementation for SnpDxe driver.
 
-Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>
-This program and the accompanying materials are licensed 
-and made available under the terms and conditions of the BSD License which 
-accompanies this distribution. The full text of the license may be found at 
-http://opensource.org/licenses/bsd-license.php 
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
 
@@ -175,6 +169,8 @@ GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mSimpleNetworkDriverNameT
   }
 };
 
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gSimpleNetworkControllerNameTable = NULL;
+
 /**
   Retrieves a Unicode string that is the user readable name of the driver.
 
@@ -231,6 +227,79 @@ SimpleNetworkComponentNameGetDriverName (
            );
 }
 
+/**
+  Update the component name for the Snp child handle.
+
+  @param  Snp[in]                   A pointer to the EFI_SIMPLE_NETWORK_PROTOCOL.
+
+
+  @retval EFI_SUCCESS               Update the ControllerNameTable of this instance successfully.
+  @retval EFI_INVALID_PARAMETER     The input parameter is invalid.
+
+**/
+EFI_STATUS
+UpdateName (
+  IN  EFI_SIMPLE_NETWORK_PROTOCOL   *Snp
+  )
+{
+  EFI_STATUS                       Status;
+  CHAR16                           HandleName[80];
+  UINTN                            OffSet;
+  UINTN                            Index;
+
+  if (Snp == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  OffSet = 0;
+  OffSet += UnicodeSPrint (
+              HandleName,
+              sizeof (HandleName),
+              L"SNP (MAC="
+              );
+  for (Index = 0; Index < Snp->Mode->HwAddressSize; Index++) {
+    OffSet += UnicodeSPrint (
+                HandleName + OffSet,
+                sizeof (HandleName) - OffSet * sizeof (CHAR16),
+                L"%02X-",
+                Snp->Mode->CurrentAddress.Addr[Index]
+                );
+  }
+  ASSERT (OffSet > 0);
+  //
+  // Remove the last '-'
+  //
+  OffSet--;
+  OffSet += UnicodeSPrint (
+              HandleName + OffSet,
+              sizeof (HandleName) - OffSet * sizeof (CHAR16),
+              L")"
+              );
+  if (gSimpleNetworkControllerNameTable != NULL) {
+    FreeUnicodeStringTable (gSimpleNetworkControllerNameTable);
+    gSimpleNetworkControllerNameTable = NULL;
+  }
+
+  Status = AddUnicodeString2 (
+             "eng",
+             gSimpleNetworkComponentName.SupportedLanguages,
+             &gSimpleNetworkControllerNameTable,
+             HandleName,
+             TRUE
+             );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  return AddUnicodeString2 (
+           "en",
+           gSimpleNetworkComponentName2.SupportedLanguages,
+           &gSimpleNetworkControllerNameTable,
+           HandleName,
+           FALSE
+           );
+}
+
 /**
   Retrieves a Unicode string that is the user readable name of the controller
   that is being managed by a driver.
@@ -242,8 +311,8 @@ SimpleNetworkComponentNameGetDriverName (
   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
   managing the controller specified by ControllerHandle and ChildHandle,
   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
-  support the language specified by Language, then EFI_UNSUPPORTED is returned. 
-  Currently not implemented. 
+  support the language specified by Language, then EFI_UNSUPPORTED is returned.
+  Currently not implemented.
 
   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
                                 EFI_COMPONENT_NAME_PROTOCOL instance.
@@ -310,5 +379,52 @@ SimpleNetworkComponentNameGetControllerName (
   OUT CHAR16                                          **ControllerName
   )
 {
-  return EFI_UNSUPPORTED;
+  EFI_STATUS                    Status;
+  EFI_SIMPLE_NETWORK_PROTOCOL   *Snp;
+
+  if (ChildHandle != NULL) {
+    return EFI_UNSUPPORTED;
+  }
+
+  //
+  // Make sure this driver is currently managing ControllHandle
+  //
+  Status = EfiTestManagedDevice (
+             ControllerHandle,
+             gSimpleNetworkDriverBinding.DriverBindingHandle,
+             &gEfiSimpleNetworkProtocolGuid
+             );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  //
+  // Retrieve an instance of a produced protocol from ControllerHandle
+  //
+  Status = gBS->OpenProtocol (
+                  ControllerHandle,
+                  &gEfiSimpleNetworkProtocolGuid,
+                  (VOID **)&Snp,
+                  NULL,
+                  NULL,
+                  EFI_OPEN_PROTOCOL_GET_PROTOCOL
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  //
+  // Update the component name for this child handle.
+  //
+  Status = UpdateName (Snp);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  return LookupUnicodeString2 (
+           Language,
+           This->SupportedLanguages,
+           gSimpleNetworkControllerNameTable,
+           ControllerName,
+           (BOOLEAN)(This == &gSimpleNetworkComponentName)
+           );
 }