MdeModulePkg: Fix the issue cannot boot to UEFI Network after reset

[mirror_edk2.git] / MdeModulePkg / Universal / Network / UefiPxeBcDxe / PxeBcDhcp.c

diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c
index 1293f672686bd474c2a945d41711f5259a657035..6c0637300447979ff5689dbbec1593e64b7d9de8 100644 (file)
--- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c
+++ b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c
@@ -2,7 +2,7 @@
   Support for PxeBc dhcp functions.\r
 \r
 Copyright (c) 2013, Red Hat, Inc.\r
-Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2007 - 2015, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -647,6 +647,53 @@ PxeBcCacheDhcpOffer (
   Private->NumOffers++;\r
 }\r
 \r
+/**\r
+  Switch the Ip4 policy to static.\r
+\r
+  @param[in]  Private             The pointer to PXEBC_PRIVATE_DATA.\r
+\r
+  @retval     EFI_SUCCESS         The policy is already configured to static.\r
+  @retval     Others              Other error as indicated..\r
+\r
+**/\r
+EFI_STATUS\r
+PxeBcSetIp4Policy (   \r
+  IN PXEBC_PRIVATE_DATA            *Private\r
+  )\r
+{\r
+  EFI_STATUS                   Status;\r
+  EFI_IP4_CONFIG2_PROTOCOL     *Ip4Config2;\r
+  EFI_IP4_CONFIG2_POLICY       Policy;\r
+  UINTN                        DataSize;\r
+\r
+  Ip4Config2 = Private->Ip4Config2;\r
+  DataSize = sizeof (EFI_IP4_CONFIG2_POLICY);\r
+  Status = Ip4Config2->GetData (\r
+                       Ip4Config2,\r
+                       Ip4Config2DataTypePolicy,\r
+                       &DataSize,\r
+                       &Policy\r
+                       );\r
+  if (EFI_ERROR (Status)) {\r
+    return Status;\r
+  }\r
+  \r
+  if (Policy != Ip4Config2PolicyStatic) {\r
+    Policy = Ip4Config2PolicyStatic;\r
+    Status= Ip4Config2->SetData (\r
+                          Ip4Config2,\r
+                          Ip4Config2DataTypePolicy,\r
+                          sizeof (EFI_IP4_CONFIG2_POLICY),\r
+                          &Policy\r
+                          );\r
+    if (EFI_ERROR (Status)) {\r
+      return Status;\r
+    } \r
+  }\r
+\r
+  return  EFI_SUCCESS;\r
+}\r
+\r
 \r
 /**\r
   Select the specified proxy offer, such as BINL, DHCP_ONLY and so on.\r