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MdeModulePkg/Mtftp4Dxe: Separate the timer ticking to calculate the packet live time.

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TPL deadlock issue was enrolled by the commit of 39b0867d. To resolve the issue,
this patch separated the timer ticking for all the MTFTP clients to calculate the
packet live time in TPL_NOTIFY level.

Cc: Wang Fan <fan.wang@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
(cherry picked from commit 0e2a5749d8)
This commit is contained in:
Fu Siyuan
2018-03-02 11:33:28 +08:00
committed by Jiaxin Wu
parent dded7cddfc
commit 65208a68ce
5 changed files with 98 additions and 22 deletions
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6
MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.h
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@@ -9,7 +9,7 @@
RFC2348 - TFTP Blocksize Option
RFC2349 - TFTP Timeout Interval and Transfer Size Options
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -72,7 +72,8 @@ struct _MTFTP4_SERVICE {
UINT16 ChildrenNum;
LIST_ENTRY Children;
EFI_EVENT Timer; ///< Ticking timer for all the MTFTP clients
EFI_EVENT Timer; ///< Ticking timer for all the MTFTP clients to handle the packet timeout case.
EFI_EVENT TimerNotifyLevel; ///< Ticking timer for all the MTFTP clients to calculate the packet live time.
EFI_EVENT TimerToGetMap;
EFI_HANDLE Controller;
@@ -135,6 +136,7 @@ struct _MTFTP4_PROTOCOL {
//
NET_BUF *LastPacket;
UINT32 PacketToLive;
BOOLEAN HasTimeout;
UINT32 CurRetry;
UINT32 MaxRetry;
UINT32 Timeout;