+/**\r
+ Update the component name for the IP4 child handle.\r
+\r
+ @param Ip4[in] A pointer to the EFI_IP4_PROTOCOL.\r
+\r
+\r
+ @retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully.\r
+ @retval EFI_INVALID_PARAMETER The input parameter is invalid.\r
+\r
+**/\r
+EFI_STATUS\r
+UpdateName (\r
+ IN EFI_IP4_PROTOCOL *Ip4\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ CHAR16 HandleName[80];\r
+ EFI_IP4_MODE_DATA Ip4ModeData;\r
+\r
+ if (Ip4 == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ //\r
+ // Format the child name into the string buffer as:\r
+ // IPv4 (SrcIP=127.0.0.1, DestIP=127.0.0.1)\r
+ //\r
+ Status = Ip4->GetModeData (Ip4, &Ip4ModeData, NULL, NULL);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ if (!Ip4ModeData.IsStarted || !Ip4ModeData.IsConfigured) {\r
+ UnicodeSPrint (HandleName, sizeof (HandleName), L"IPv4 (Not started)");\r
+ } else {\r
+ UnicodeSPrint (HandleName, sizeof (HandleName),\r
+ L"IPv4 (SrcIP=%d.%d.%d.%d)",\r
+ Ip4ModeData.ConfigData.StationAddress.Addr[0],\r
+ Ip4ModeData.ConfigData.StationAddress.Addr[1],\r
+ Ip4ModeData.ConfigData.StationAddress.Addr[2],\r
+ Ip4ModeData.ConfigData.StationAddress.Addr[3]\r
+ );\r
+ }\r
+\r
+ if (gIp4ControllerNameTable != NULL) {\r
+ FreeUnicodeStringTable (gIp4ControllerNameTable);\r
+ gIp4ControllerNameTable = NULL;\r
+ }\r
+ Status = AddUnicodeString2 (\r
+ "eng",\r
+ gIp4ComponentName.SupportedLanguages,\r
+ &gIp4ControllerNameTable,\r
+ HandleName,\r
+ TRUE\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ return AddUnicodeString2 (\r
+ "en",\r
+ gIp4ComponentName2.SupportedLanguages,\r
+ &gIp4ControllerNameTable,\r
+ HandleName,\r
+ FALSE\r
+ );\r
+}\r
+\r