/** @file\r
- \r
+\r
Mtftp4 Implementation.\r
- \r
+\r
Mtftp4 Implementation, it supports the following RFCs:\r
RFC1350 - THE TFTP PROTOCOL (REVISION 2)\r
RFC2090 - TFTP Multicast Option\r
RFC2347 - TFTP Option Extension\r
RFC2348 - TFTP Blocksize Option\r
RFC2349 - TFTP Timeout Interval and Transfer Size Options\r
- \r
-Copyright (c) 2006 - 2012, 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
-http://opensource.org/licenses/bsd-license.php<BR>\r
+ RFC7440 - TFTP Windowsize Option\r
\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/UdpIoLib.h>\r
-#include <LIbrary/PrintLib.h>\r
+#include <Library/PrintLib.h>\r
\r
extern EFI_MTFTP4_PROTOCOL gMtftp4ProtocolTemplate;\r
\r
#define MTFTP4_DEFAULT_TIMEOUT 3\r
#define MTFTP4_DEFAULT_RETRY 5\r
#define MTFTP4_DEFAULT_BLKSIZE 512\r
+#define MTFTP4_DEFAULT_WINDOWSIZE 1\r
#define MTFTP4_TIME_TO_GETMAP 5\r
\r
#define MTFTP4_STATE_UNCONFIGED 0\r
UINT16 ChildrenNum;\r
LIST_ENTRY Children;\r
\r
- EFI_EVENT Timer; ///< Ticking timer for all the MTFTP clients\r
+ EFI_EVENT Timer; ///< Ticking timer for all the MTFTP clients to handle the packet timeout case.\r
+ EFI_EVENT TimerNotifyLevel; ///< Ticking timer for all the MTFTP clients to calculate the packet live time.\r
EFI_EVENT TimerToGetMap;\r
\r
EFI_HANDLE Controller;\r
UINT16 LastBlock;\r
LIST_ENTRY Blocks;\r
\r
+ UINT16 WindowSize;\r
+\r
+ //\r
+ // Record the total received and saved block number.\r
+ //\r
+ UINT64 TotalBlock;\r
+\r
+ //\r
+ // Record the acked block number.\r
+ //\r
+ UINT64 AckedBlock;\r
+\r
//\r
// The server's communication end point: IP and two ports. one for\r
// initial request, one for its selected port.\r
//\r
NET_BUF *LastPacket;\r
UINT32 PacketToLive;\r
+ BOOLEAN HasTimeout;\r
UINT32 CurRetry;\r
UINT32 MaxRetry;\r
UINT32 Timeout;\r
\r
/**\r
Start the MTFTP session for upload.\r
- \r
- It will first init some states, then send the WRQ request packet, \r
+\r
+ It will first init some states, then send the WRQ request packet,\r
and start receiving the packet.\r
\r
@param Instance The MTFTP session\r
);\r
\r
/**\r
- Start the MTFTP session to download. \r
- \r
- It will first initialize some of the internal states then build and send a RRQ \r
+ Start the MTFTP session to download.\r
+\r
+ It will first initialize some of the internal states then build and send a RRQ\r
reqeuest packet, at last, it will start receive for the downloading.\r
\r
@param Instance The Mtftp session\r