diff options
| author | hhuan13 <hhuan13@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-08-18 00:47:26 +0000 |
|---|---|---|
| committer | hhuan13 <hhuan13@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-08-18 00:47:26 +0000 |
| commit | cfbc1a7537d55ff0066b5635855f5739d02d15dc (patch) | |
| tree | e2b9703347941575a1abfcceca3ed489177d7d14 /MdeModulePkg | |
| parent | 5b9fc2f0890019cbb204f187abd1c41db51f4b93 (diff) | |
| download | edk2-cfbc1a7537d55ff0066b5635855f5739d02d15dc.tar.gz edk2-cfbc1a7537d55ff0066b5635855f5739d02d15dc.tar.bz2 edk2-cfbc1a7537d55ff0066b5635855f5739d02d15dc.zip | |
1. Introduce PcdTftpBlockSize to let platform DSC customize block size.
2. Roll back the default block size to handle all link layers.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10803 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg')
4 files changed, 23 insertions, 1 deletions
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec index 5bd23ffc53..b3ada524e3 100644 --- a/MdeModulePkg/MdeModulePkg.dec +++ b/MdeModulePkg/MdeModulePkg.dec @@ -352,6 +352,11 @@ ## Smbios version
gEfiMdeModulePkgTokenSpaceGuid.PcdSmbiosVersion|0x0206|UINT16|0x00010055
+ ## TFTP BlockSize. Initial value 0 means using default block size which is (MTU-IP_HEADER-UDP_HEADER-TFTP_HEADER)
+ # to handle all link layers. If the value is non zero, the PCD value will be used as block size.
+ #
+ gEfiMdeModulePkgTokenSpaceGuid.PcdTftpBlockSize|0x0|UINT64|0x30001026
+
[PcdsFixedAtBuild,PcdsPatchableInModule]
## Maximun number of performance log entries during PEI phase.
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxPeiPerformanceLogEntries|40|UINT8|0x0001002f
diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c index 6721d9a083..989da79b85 100644 --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c +++ b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c @@ -347,7 +347,19 @@ EfiPxeBcStart ( return Status;
}
- Private->BlockSize = 0x8000;
+
+ //
+ // Configure block size for TFTP as a default value to handle all link layers.
+ //
+ Private->BlockSize = (UINTN) (MIN (Private->Ip4MaxPacketSize, PXEBC_DEFAULT_PACKET_SIZE) -
+ PXEBC_DEFAULT_UDP_OVERHEAD_SIZE - PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE);
+ //
+ // If PcdTftpBlockSize is set to non-zero, override the default value.
+ //
+ if (PcdGet64 (PcdTftpBlockSize) != 0) {
+ Private->BlockSize = (UINTN) PcdGet64 (PcdTftpBlockSize);
+ }
+
Private->AddressIsOk = FALSE;
ZeroMem (Mode, sizeof (EFI_PXE_BASE_CODE_MODE));
diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h index 7510096eaf..ddc1eba034 100644 --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h +++ b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h @@ -40,6 +40,7 @@ typedef struct _PXEBC_PRIVATE_DATA PXEBC_PRIVATE_DATA; #include <Library/BaseLib.h>
#include <Library/NetLib.h>
#include <Library/DpcLib.h>
+#include <Library/PcdLib.h>
#include "PxeBcDriver.h"
#include "PxeBcDhcp.h"
diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxeBcDxe.inf b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxeBcDxe.inf index c0b49dc4eb..3ac4fb041f 100644 --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxeBcDxe.inf +++ b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxeBcDxe.inf @@ -64,6 +64,7 @@ DebugLib
NetLib
DpcLib
+ PcdLib
[Guids]
gEfiSmbiosTableGuid # ALWAYS_CONSUMED
@@ -83,3 +84,6 @@ gEfiNetworkInterfaceIdentifierProtocolGuid_31 ## SOMETIMES_CONSUMES
gEfiIp4ServiceBindingProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiIp4ProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+
+[Pcd]
+ gEfiMdeModulePkgTokenSpaceGuid.PcdTftpBlockSize ## CONSUMES
|