diff options
| author | Jiaxin Wu <jiaxin.wu@intel.com> | 2016-05-31 22:17:26 +0800 |
|---|---|---|
| committer | Jiaxin Wu <jiaxin.wu@intel.com> | 2016-06-13 11:51:35 +0800 |
| commit | 5ffe214ae95be9cb3dfca3d1dc254ad9f1f6fe45 (patch) | |
| tree | 1e5f61611a66924aeac4d34af8bb3479daff63b2 /NetworkPkg/TcpDxe/SockImpl.c | |
| parent | 3b5624b01454ed0ce1ae2089cc5b091a9cd07ed2 (diff) | |
| download | edk2-platforms-5ffe214ae95be9cb3dfca3d1dc254ad9f1f6fe45.tar.xz | |
NetworkPkg: Support TCP Cancel function
This path is used to support TCP Cancel function to abort an
asynchronous connection, listen, transmission or receive request.
If any TCP CompletionToken is not signaled, it should not be closed
directly by calling CloseEvent (Still in the TCP TokenList). If not,
any exception behavior may be triggered. We should cancel it by calling
Tcp->Cancel() first. In such a case, TCP Cancel function is
necessary.
Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Zhang Lubo <lubo.zhang@intel.com>
Cc: Hegde Nagaraj P <nagaraj-p.hegde@hpe.com>
Cc: Gary Lin <glin@suse.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Gary Lin <glin@suse.com>
Reviewed-by: Hegde Nagaraj P <nagaraj-p.hegde@hpe.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Tested-by: Gary Lin <glin@suse.com>
Tested-by: Hegde Nagaraj P <nagaraj-p.hegde@hpe.com>
Diffstat (limited to 'NetworkPkg/TcpDxe/SockImpl.c')
| -rw-r--r-- | NetworkPkg/TcpDxe/SockImpl.c | 67 |
1 files changed, 66 insertions, 1 deletions
diff --git a/NetworkPkg/TcpDxe/SockImpl.c b/NetworkPkg/TcpDxe/SockImpl.c index f941556402..35e0f6a662 100644 --- a/NetworkPkg/TcpDxe/SockImpl.c +++ b/NetworkPkg/TcpDxe/SockImpl.c @@ -1,7 +1,7 @@ /** @file
Implementation of the Socket.
- Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2009 - 2016, 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
@@ -575,6 +575,71 @@ SockWakeRcvToken ( }
/**
+ Cancel the tokens in the specific token list.
+
+ @param[in] Token Pointer to the Token. If NULL, all tokens
+ in SpecifiedTokenList will be canceled.
+ @param[in, out] SpecifiedTokenList Pointer to the token list to be checked.
+
+ @retval EFI_SUCCESS Cancel the tokens in the specific token listsuccessfully.
+ @retval EFI_NOT_FOUND The Token is not found in SpecifiedTokenList.
+
+**/
+EFI_STATUS
+SockCancelToken (
+ IN SOCK_COMPLETION_TOKEN *Token,
+ IN OUT LIST_ENTRY *SpecifiedTokenList
+ )
+{
+ EFI_STATUS Status;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *Next;
+ SOCK_TOKEN *SockToken;
+
+ Status = EFI_SUCCESS;
+ Entry = NULL;
+ Next = NULL;
+ SockToken = NULL;
+
+ if (IsListEmpty (SpecifiedTokenList) && Token != NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // Iterate through the SpecifiedTokenList.
+ //
+ Entry = SpecifiedTokenList->ForwardLink;
+ while (Entry != SpecifiedTokenList) {
+ SockToken = NET_LIST_USER_STRUCT (Entry, SOCK_TOKEN, TokenList);
+
+ if (Token == NULL) {
+ SIGNAL_TOKEN (SockToken->Token, EFI_ABORTED);
+ RemoveEntryList (&SockToken->TokenList);
+ FreePool (SockToken);
+
+ Entry = SpecifiedTokenList->ForwardLink;
+ Status = EFI_SUCCESS;
+ } else {
+ if (Token == (VOID *) SockToken->Token) {
+ SIGNAL_TOKEN (Token, EFI_ABORTED);
+ RemoveEntryList (&(SockToken->TokenList));
+ FreePool (SockToken);
+
+ return EFI_SUCCESS;
+ }
+
+ Status = EFI_NOT_FOUND;
+
+ Entry = Entry->ForwardLink;
+ }
+ }
+
+ ASSERT (IsListEmpty (SpecifiedTokenList) || Token != NULL);
+
+ return Status;
+}
+
+/**
Create a socket with initial data SockInitData.
@param[in] SockInitData Pointer to the initial data of the socket.
|