1.Fix a bug in Dhcp4Dxe driver to correct the ‘secs’ field in DHCP message.

[mirror_edk2.git] / MdeModulePkg / Universal / Network / Dhcp4Dxe / Dhcp4Impl.c

diff --git a/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c b/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c
index 0884026db436e6d6bc44694ad29c9d9154f022a4..b9a85f2333e3c525004b646b8350d3c75c6f9df4 100644 (file)
--- a/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c
+++ b/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c
@@ -1,7 +1,7 @@
 /** @file\r
   This file implement the EFI_DHCP4_PROTOCOL interface.\r
 \r
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2011, 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
@@ -932,6 +932,12 @@ EfiDhcp4RenewRebind (
     DhcpSetState (DhcpSb, Dhcp4Rebinding, FALSE);\r
   }\r
 \r
+  //\r
+  // Clear initial time to make sure that elapsed-time\r
+  // is set to 0 for first REQUEST in renewal process.\r
+  //\r
+  Instance->ElaspedTime = 0;\r
+\r
   Status = DhcpSendMessage (\r
              DhcpSb,\r
              DhcpSb->Selected,\r
@@ -1723,3 +1729,19 @@ EfiDhcp4Parse (
 \r
   return EFI_SUCCESS;\r
 }\r
+\r
+/**\r
+  Set the elapsed time based on the given instance and the pointer to the\r
+  elapsed time option.\r
+\r
+  @param[in]      Elapsed       The pointer to the position to append.\r
+  @param[in]      Instance      The pointer to the Dhcp4 instance.\r
+**/\r
+VOID\r
+SetElapsedTime (\r
+  IN     UINT16                 *Elapsed,\r
+  IN     DHCP_PROTOCOL          *Instance\r
+  )\r
+{\r
+  WriteUnaligned16 (Elapsed, HTONS(Instance->ElaspedTime));\r
+}\r