Roll back BlockSize to 0x8000 for PXE performance concern.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10798 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
index 54b82bd3bb860c42abbe774c240fa67f89399e35..6721d9a08336f4463f95b241923c2ae2134f423b 100644 (file)
--- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
+++ b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
@@ -347,11 +347,7 @@ EfiPxeBcStart (
     return Status;\r
   }\r
 \r
-  //\r
-  // Configure block size for TFTP as a default value to handle all link layers.\r
-  // \r
-  Private->BlockSize   = (UINTN) (MIN (Private->Ip4MaxPacketSize, PXEBC_DEFAULT_PACKET_SIZE) - \r
-                           PXEBC_DEFAULT_UDP_OVERHEAD_SIZE - PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE);\r
+  Private->BlockSize   = 0x8000;\r
   Private->AddressIsOk = FALSE;\r
 \r
   ZeroMem (Mode, sizeof (EFI_PXE_BASE_CODE_MODE));\r