NetworkPkg/Mtftp6Dxe: Support windowsize in read request operation.
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=886 This patch is to support the TFTP windowsize option described in RFC 7440. The feature allows the client and server to negotiate a window size of consecutive blocks to send as an alternative for replacing the single-block lockstep schema. Currently, the windowsize for write request operation is not supported since there is no real use cases. Cc: Ye Ting <ting.ye@intel.com> Cc: Fu Siyuan <siyuan.fu@intel.com> Cc: Shao Ming <ming.shao@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com> Tested-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com>
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@@ -1,7 +1,7 @@
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/** @file
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Mtftp6 option parse functions declaration.
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Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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@@ -26,7 +26,7 @@
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#define MTFTP6_SUPPORTED_OPTIONS_NUM 4
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#define MTFTP6_SUPPORTED_OPTIONS_NUM 5
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#define MTFTP6_OPCODE_LEN 2
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#define MTFTP6_ERRCODE_LEN 2
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#define MTFTP6_BLKNO_LEN 2
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@@ -39,11 +39,13 @@
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#define MTFTP6_OPT_TIMEOUT_BIT 0x02
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#define MTFTP6_OPT_TSIZE_BIT 0x04
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#define MTFTP6_OPT_MCAST_BIT 0x08
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#define MTFTP6_OPT_WINDOWSIZE_BIT 0X10
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extern CHAR8 *mMtftp6SupportedOptions[MTFTP6_SUPPORTED_OPTIONS_NUM];
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typedef struct {
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UINT16 BlkSize;
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UINT16 WindowSize;
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UINT8 Timeout;
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UINT32 Tsize;
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EFI_IPv6_ADDRESS McastIp;
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@@ -76,11 +78,12 @@ Mtftp6ParseMcastOption (
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@param[in] Count The num of the extension options.
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@param[in] IsRequest If FALSE, the extension options is included
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by a request packet.
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@param[in] Operation The current performed operation.
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@param[in] ExtInfo The pointer to the option information to be filled.
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@retval EFI_SUCCESS Parse the multi-cast option successfully.
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@retval EFI_INVALID_PARAMETER An option is malformatted.
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@retval EFI_UNSUPPORTED An option is not supported.
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@retval EFI_SUCCESS Parse the multicast option successfully.
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@retval EFI_INVALID_PARAMETER There is one option is malformatted at least.
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@retval EFI_UNSUPPORTED There is one option is not supported at least.
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**/
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EFI_STATUS
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@@ -88,6 +91,7 @@ Mtftp6ParseExtensionOption (
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IN EFI_MTFTP6_OPTION *Options,
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IN UINT32 Count,
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IN BOOLEAN IsRequest,
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IN UINT16 Operation,
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IN MTFTP6_EXT_OPTION_INFO *ExtInfo
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);
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