X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FNetwork%2FMtftp4Dxe%2FMtftp4Impl.h;h=de304f4e707e94df9dd3b8af25476534b7a65dee;hb=6c047cfab116c2a0187d959aee9e61ac902d7d50;hp=e24890cce82cfeeb8a77353496276df12d252e15;hpb=d1102dba7210b95e41d06c2338a22ba6af248645;p=mirror_edk2.git

diff --git a/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.h b/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.h
index e24890cce8..de304f4e70 100644
--- a/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.h
+++ b/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.h
@@ -8,6 +8,7 @@
   RFC2347 - TFTP Option Extension
   RFC2348 - TFTP Blocksize Option
   RFC2349 - TFTP Timeout Interval and Transfer Size Options
+  RFC7440 - TFTP Windowsize Option
 
 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
 This program and the accompanying materials
@@ -56,6 +57,7 @@ typedef struct _MTFTP4_PROTOCOL MTFTP4_PROTOCOL;
 #define MTFTP4_DEFAULT_TIMEOUT      3
 #define MTFTP4_DEFAULT_RETRY        5
 #define MTFTP4_DEFAULT_BLKSIZE      512
+#define MTFTP4_DEFAULT_WINDOWSIZE   1
 #define MTFTP4_TIME_TO_GETMAP       5
 
 #define MTFTP4_STATE_UNCONFIGED     0
@@ -121,6 +123,14 @@ struct _MTFTP4_PROTOCOL {
   UINT16                        LastBlock;
   LIST_ENTRY                    Blocks;
 
+  UINT16                        WindowSize;
+
+  //
+  // Record the total received block number and the already acked block number.
+  //
+  UINT64                        TotalBlock;
+  UINT64                        AckedBlock;
+
   //
   // The server's communication end point: IP and two ports. one for
   // initial request, one for its selected port.