Add NetworkPkg (P.UDK2010.UP3.Network.P1)
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10986 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
hhtian
724
NetworkPkg/TcpDxe/TcpFunc.h
Normal file
724
NetworkPkg/TcpDxe/TcpFunc.h
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@@ -0,0 +1,724 @@
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/** @file
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Declaration of external functions shared in TCP driver.
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Copyright (c) 2009 - 2010, 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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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _TCP_FUNC_H_
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#define _TCP_FUNC_H_
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#include "TcpOption.h"
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#define TCP_COMP_VAL(Min, Max, Default, Val) \
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((((Val) <= (Max)) && ((Val) >= (Min))) ? (Val) : (Default))
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/**
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Timeout handler prototype.
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@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
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**/
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typedef
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VOID
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(*TCP_TIMER_HANDLER) (
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IN OUT TCP_CB *Tcb
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);
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//
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// Functions in TcpMisc.c
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//
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/**
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Initialize the Tcb locally related members.
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@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
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**/
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VOID
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TcpInitTcbLocal (
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IN OUT TCP_CB *Tcb
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);
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/**
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Initialize the peer related members.
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@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
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@param[in] Seg Pointer to the segment that contains the peer's intial information.
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@param[in] Opt Pointer to the options announced by the peer.
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**/
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VOID
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TcpInitTcbPeer (
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IN OUT TCP_CB *Tcb,
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IN TCP_SEG *Seg,
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IN TCP_OPTION *Opt
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);
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/**
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Try to find one Tcb whose <Ip, Port> equals to <IN Addr, IN Port>.
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@param[in] Addr Pointer to the IP address needs to match.
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@param[in] Port The port number needs to match.
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@param[in] Version IP_VERSION_4 indicates TCP is running on IP4 stack.
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IP_VERSION_6 indicates TCP is running on IP6 stack.
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@retval TRUE The Tcb which matches the <Addr Port> pairs exists.
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@retval FALSE Otherwise
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**/
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BOOLEAN
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TcpFindTcbByPeer (
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IN EFI_IP_ADDRESS *Addr,
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IN TCP_PORTNO Port,
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IN UINT8 Version
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);
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/**
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Locate the TCP_CB related to the socket pair.
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@param[in] LocalPort The local port number.
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@param[in] LocalIp The local IP address.
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@param[in] RemotePort The remote port number.
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@param[in] RemoteIp The remote IP address.
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@param[in] Version IP_VERSION_4 indicates TCP is running on IP4 stack,
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IP_VERSION_6 indicates TCP is running on IP6 stack.
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@param[in] Syn If TRUE, the listen sockets are searched.
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@return Pointer to the related TCP_CB. If NULL, no match is found.
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**/
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TCP_CB *
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TcpLocateTcb (
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IN TCP_PORTNO LocalPort,
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IN EFI_IP_ADDRESS *LocalIp,
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IN TCP_PORTNO RemotePort,
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IN EFI_IP_ADDRESS *RemoteIp,
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IN UINT8 Version,
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IN BOOLEAN Syn
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);
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/**
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Insert a Tcb into the proper queue.
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@param[in] Tcb Pointer to the TCP_CB to be inserted.
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@retval 0 The Tcb was inserted successfully.
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@retval -1 An error condition occurred.
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**/
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INTN
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TcpInsertTcb (
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IN TCP_CB *Tcb
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);
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/**
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Clone a TCP_CB from Tcb.
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@param[in] Tcb Pointer to the TCP_CB to be cloned.
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@return Pointer to the new cloned TCP_CB. If NULL, an error condition occurred.
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**/
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TCP_CB *
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TcpCloneTcb (
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IN TCP_CB *Tcb
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);
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/**
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Compute an ISS to be used by a new connection.
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@return The result ISS.
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**/
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TCP_SEQNO
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TcpGetIss (
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VOID
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);
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/**
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Get the local mss.
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@param[in] Sock Pointer to the socket to get mss.
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@return The mss size.
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**/
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UINT16
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TcpGetRcvMss (
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IN SOCKET *Sock
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);
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/**
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Set the Tcb's state.
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@param[in] Tcb Pointer to the TCP_CB of this TCP instance.
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@param[in] State The state to be set.
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**/
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VOID
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TcpSetState (
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IN TCP_CB *Tcb,
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IN UINT8 State
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);
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/**
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Compute the TCP segment's checksum.
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@param[in] Nbuf Pointer to the buffer that contains the TCP segment.
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@param[in] HeadSum The checksum value of the fixed part of pseudo header.
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@return The checksum value.
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**/
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UINT16
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TcpChecksum (
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IN NET_BUF *Nbuf,
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IN UINT16 HeadSum
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);
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/**
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Translate the information from the head of the received TCP
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segment Nbuf contains, and fill it into a TCP_SEG structure.
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@param[in] Tcb Pointer to the TCP_CB of this TCP instance.
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@param[in, out] Nbuf Pointer to the buffer contains the TCP segment.
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@return Pointer to the TCP_SEG that contains the translated TCP head information.
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**/
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TCP_SEG *
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TcpFormatNetbuf (
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IN TCP_CB *Tcb,
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IN OUT NET_BUF *Nbuf
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);
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/**
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Initialize an active connection,
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@param[in, out] Tcb Pointer to the TCP_CB that wants to initiate a
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connection.
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**/
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VOID
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TcpOnAppConnect (
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IN OUT TCP_CB *Tcb
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);
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/**
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Application has consumed some data, check whether
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to send a window update ack or a delayed ack.
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@param[in] Tcb Pointer to the TCP_CB of this TCP instance.
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**/
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VOID
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TcpOnAppConsume (
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IN TCP_CB *Tcb
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);
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/**
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Initiate the connection close procedure, called when
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applications want to close the connection.
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@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
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**/
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VOID
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TcpOnAppClose (
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IN OUT TCP_CB *Tcb
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);
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/**
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Check whether the application's newly delivered data can be sent out.
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@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
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@retval 0 The data has been sent out successfully.
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@retval -1 The Tcb is not in a state that data is permitted to
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be sent out.
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**/
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INTN
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TcpOnAppSend (
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IN OUT TCP_CB *Tcb
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);
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/**
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Abort the connection by sending a reset segment: called
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when the application wants to abort the connection.
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@param[in] Tcb Pointer to the TCP_CB of the TCP instance.
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**/
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VOID
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TcpOnAppAbort (
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IN TCP_CB *Tcb
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);
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/**
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Reset the connection related with Tcb.
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@param[in] Tcb Pointer to the TCP_CB of the connection to be reset.
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**/
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VOID
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TcpResetConnection (
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IN TCP_CB *Tcb
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);
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/**
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Set the Tcp variable data.
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@param[in] TcpService Tcp service data.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources to set the variable.
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@retval other Set variable failed.
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**/
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EFI_STATUS
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TcpSetVariableData (
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IN TCP_SERVICE_DATA *TcpService
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);
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/**
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Clear the variable and free the resource.
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@param[in] TcpService Tcp service data.
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**/
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VOID
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TcpClearVariableData (
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IN TCP_SERVICE_DATA *TcpService
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);
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/**
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Install the device path protocol on the TCP instance.
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@param[in] Sock Pointer to the socket representing the TCP instance.
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@retval EFI_SUCCESS The device path protocol installed.
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@retval other Failed to install the device path protocol.
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**/
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EFI_STATUS
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TcpInstallDevicePath (
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IN SOCKET *Sock
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);
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//
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// Functions in TcpOutput.c
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//
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/**
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Compute the sequence space left in the old receive window.
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@param[in] Tcb Pointer to the TCP_CB of this TCP instance.
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@return The sequence space left in the old receive window.
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**/
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UINT32
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TcpRcvWinOld (
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IN TCP_CB *Tcb
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);
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/**
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Compute the current receive window.
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@param[in] Tcb Pointer to the TCP_CB of this TCP instance.
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@return The size of the current receive window, in bytes.
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**/
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UINT32
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TcpRcvWinNow (
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IN TCP_CB *Tcb
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);
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/**
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Get the maximum SndNxt.
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@param[in] Tcb Pointer to the TCP_CB of this TCP instance.
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@return The sequence number of the maximum SndNxt.
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**/
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TCP_SEQNO
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TcpGetMaxSndNxt (
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IN TCP_CB *Tcb
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);
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/**
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Compute how much data to send.
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@param[in] Tcb Pointer to the TCP_CB of this TCP instance.
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@param[in] Force If TRUE, ignore the sender's SWS avoidance algorithm
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and send out data by force.
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@return The length of the data that can be sent. If 0, no data can be sent.
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**/
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UINT32
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TcpDataToSend (
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IN TCP_CB *Tcb,
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IN INTN Force
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);
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/**
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Retransmit the segment from sequence Seq.
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@param[in] Tcb Pointer to the TCP_CB of this TCP instance.
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@param[in] Seq The sequence number of the segment to be retransmitted.
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@retval 0 The retransmission succeeded.
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@retval -1 An error condition occurred.
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**/
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INTN
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TcpRetransmit (
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IN TCP_CB *Tcb,
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IN TCP_SEQNO Seq
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);
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/**
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Check whether to send data/SYN/FIN and piggyback an ACK.
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@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
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@param[in] Force If TRUE, ignore the sender's SWS avoidance algorithm
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and send out data by force.
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@return The number of bytes sent.
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**/
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INTN
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TcpToSendData (
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IN OUT TCP_CB *Tcb,
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IN INTN Force
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);
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/**
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Check whether to send an ACK or delayed ACK.
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@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
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**/
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VOID
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TcpToSendAck (
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IN OUT TCP_CB *Tcb
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);
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/**
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Send an ACK immediately.
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@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
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**/
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VOID
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TcpSendAck (
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IN OUT TCP_CB *Tcb
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||||
);
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/**
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Send a zero probe segment. It can be used by keepalive and zero window probe.
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@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
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@retval 0 The zero probe segment was sent out successfully.
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||||
@retval other An error condition occurred.
|
||||
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||||
**/
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INTN
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TcpSendZeroProbe (
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||||
IN OUT TCP_CB *Tcb
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||||
);
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||||
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||||
/**
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||||
Send a RESET segment in response to the segment received.
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||||
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||||
@param[in] Tcb Pointer to the TCP_CB of this TCP instance, may be NULL.
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@param[in] Head TCP header of the segment that triggers the reset.
|
||||
@param[in] Len Length of the segment that triggers the reset.
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||||
@param[in] Local Local IP address.
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||||
@param[in] Remote Remote peer's IP address.
|
||||
@param[in] Version IP_VERSION_4 indicates TCP is running on IP4 stack,
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||||
IP_VERSION_6 indicates TCP is running on IP6 stack.
|
||||
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||||
@retval 0 A reset is sent or no need to send it.
|
||||
@retval -1 No reset is sent.
|
||||
|
||||
**/
|
||||
INTN
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||||
TcpSendReset (
|
||||
IN TCP_CB *Tcb,
|
||||
IN TCP_HEAD *Head,
|
||||
IN INT32 Len,
|
||||
IN EFI_IP_ADDRESS *Local,
|
||||
IN EFI_IP_ADDRESS *Remote,
|
||||
IN UINT8 Version
|
||||
);
|
||||
|
||||
/**
|
||||
Verify that the segment is in good shape.
|
||||
|
||||
@param[in] Nbuf Buffer that contains the segment to be checked.
|
||||
|
||||
@retval 0 The segment is broken.
|
||||
@retval 1 The segment is in good shape.
|
||||
|
||||
**/
|
||||
INTN
|
||||
TcpVerifySegment (
|
||||
IN NET_BUF *Nbuf
|
||||
);
|
||||
|
||||
//
|
||||
// Functions from TcpInput.c
|
||||
//
|
||||
|
||||
/**
|
||||
Process the received ICMP error messages for TCP.
|
||||
|
||||
@param[in] Nbuf Buffer that contains part of the TCP segment without IP header
|
||||
truncated from the ICMP error packet.
|
||||
@param[in] IcmpErr The ICMP error code interpreted from an ICMP error packet.
|
||||
@param[in] Src Source address of the ICMP error message.
|
||||
@param[in] Dst Destination address of the ICMP error message.
|
||||
@param[in] Version IP_VERSION_4 indicates IP4 stack, IP_VERSION_6 indicates
|
||||
IP6 stack.
|
||||
|
||||
**/
|
||||
VOID
|
||||
TcpIcmpInput (
|
||||
IN NET_BUF *Nbuf,
|
||||
IN UINT8 IcmpErr,
|
||||
IN EFI_IP_ADDRESS *Src,
|
||||
IN EFI_IP_ADDRESS *Dst,
|
||||
IN UINT8 Version
|
||||
);
|
||||
|
||||
/**
|
||||
Process the received TCP segments.
|
||||
|
||||
@param[in] Nbuf Buffer that contains received TCP segment without an IP header.
|
||||
@param[in] Src Source address of the segment, or the peer's IP address.
|
||||
@param[in] Dst Destination address of the segment, or the local end's IP
|
||||
address.
|
||||
@param[in] Version IP_VERSION_4 indicates IP4 stack, IP_VERSION_6 indicates
|
||||
IP6 stack.
|
||||
|
||||
@retval 0 The segment processed successfully. It is either accepted or
|
||||
discarded. But no connection is reset by the segment.
|
||||
@retval -1 A connection is reset by the segment.
|
||||
|
||||
**/
|
||||
INTN
|
||||
TcpInput (
|
||||
IN NET_BUF *Nbuf,
|
||||
IN EFI_IP_ADDRESS *Src,
|
||||
IN EFI_IP_ADDRESS *Dst,
|
||||
IN UINT8 Version
|
||||
);
|
||||
|
||||
//
|
||||
// Functions in TcpTimer.c
|
||||
//
|
||||
|
||||
/**
|
||||
Close the TCP connection.
|
||||
|
||||
@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
|
||||
|
||||
**/
|
||||
VOID
|
||||
TcpClose (
|
||||
IN OUT TCP_CB *Tcb
|
||||
);
|
||||
|
||||
/**
|
||||
Heart beat timer handler, queues the DPC at TPL_CALLBACK.
|
||||
|
||||
@param[in] Event Timer event signaled, ignored.
|
||||
@param[in] Context Context of the timer event, ignored.
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
TcpTicking (
|
||||
IN EFI_EVENT Event,
|
||||
IN VOID *Context
|
||||
);
|
||||
|
||||
/**
|
||||
Enable a TCP timer.
|
||||
|
||||
@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
|
||||
@param[in] Timer The index of the timer to be enabled.
|
||||
@param[in] TimeOut The timeout value of this timer.
|
||||
|
||||
**/
|
||||
VOID
|
||||
TcpSetTimer (
|
||||
IN OUT TCP_CB *Tcb,
|
||||
IN UINT16 Timer,
|
||||
IN UINT32 TimeOut
|
||||
);
|
||||
|
||||
/**
|
||||
Clear one TCP timer.
|
||||
|
||||
@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
|
||||
@param[in] Timer The index of the timer to be cleared.
|
||||
|
||||
**/
|
||||
VOID
|
||||
TcpClearTimer (
|
||||
IN OUT TCP_CB *Tcb,
|
||||
IN UINT16 Timer
|
||||
);
|
||||
|
||||
/**
|
||||
Clear all TCP timers.
|
||||
|
||||
@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
|
||||
|
||||
**/
|
||||
VOID
|
||||
TcpClearAllTimer (
|
||||
IN OUT TCP_CB *Tcb
|
||||
);
|
||||
|
||||
/**
|
||||
Enable the window prober timer and set the timeout value.
|
||||
|
||||
@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
|
||||
|
||||
**/
|
||||
VOID
|
||||
TcpSetProbeTimer (
|
||||
IN OUT TCP_CB *Tcb
|
||||
);
|
||||
|
||||
/**
|
||||
Enable the keepalive timer and set the timeout value.
|
||||
|
||||
@param[in, out] Tcb Pointer to the TCP_CB of this TCP instance.
|
||||
|
||||
**/
|
||||
VOID
|
||||
TcpSetKeepaliveTimer (
|
||||
IN OUT TCP_CB *Tcb
|
||||
);
|
||||
|
||||
//
|
||||
// Functions in TcpIo.c
|
||||
//
|
||||
|
||||
/**
|
||||
Packet receive callback function provided to IP_IO. Used to call
|
||||
the proper function to handle the packet received by IP.
|
||||
|
||||
@param[in] Status Result of the receive request.
|
||||
@param[in] IcmpErr Valid when Status is EFI_ICMP_ERROR.
|
||||
@param[in] NetSession The IP session for the received packet.
|
||||
@param[in] Pkt Packet received.
|
||||
@param[in] Context The data provided by the user for the received packet when
|
||||
the callback is registered in IP_IO_OPEN_DATA::RcvdContext.
|
||||
This is an optional parameter that may be NULL.
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
TcpRxCallback (
|
||||
IN EFI_STATUS Status,
|
||||
IN UINT8 IcmpErr,
|
||||
IN EFI_NET_SESSION_DATA *NetSession,
|
||||
IN NET_BUF *Pkt,
|
||||
IN VOID *Context OPTIONAL
|
||||
);
|
||||
|
||||
/**
|
||||
Send the segment to IP via IpIo function.
|
||||
|
||||
@param[in] Tcb Pointer to the TCP_CB of this TCP instance.
|
||||
@param[in] Nbuf Pointer to the TCP segment to be sent.
|
||||
@param[in] Src Source address of the TCP segment.
|
||||
@param[in] Dest Destination address of the TCP segment.
|
||||
@param[in] Version IP_VERSION_4 or IP_VERSION_6
|
||||
|
||||
@retval 0 The segment was sent out successfully.
|
||||
@retval -1 The segment failed to be sent.
|
||||
|
||||
**/
|
||||
INTN
|
||||
TcpSendIpPacket (
|
||||
IN TCP_CB *Tcb,
|
||||
IN NET_BUF *Nbuf,
|
||||
IN EFI_IP_ADDRESS *Src,
|
||||
IN EFI_IP_ADDRESS *Dest,
|
||||
IN UINT8 Version
|
||||
);
|
||||
|
||||
/**
|
||||
Refresh the remote peer's Neighbor Cache State if already exists.
|
||||
|
||||
@param[in] Tcb Pointer to the TCP_CB of this TCP instance.
|
||||
@param[in] Neighbor Source address of the TCP segment.
|
||||
@param[in] Timeout Time in 100-ns units that this entry will remain
|
||||
in the neighbor cache. A value of zero means that
|
||||
the entry is permanent. A value of non-zero means
|
||||
that the entry is dynamic and will be deleted
|
||||
after Timeout.
|
||||
|
||||
@retval EFI_SUCCESS Successfully updated the neighbor relationship.
|
||||
@retval EFI_NOT_STARTED The IpIo is not configured.
|
||||
@retval EFI_INVALID_PARAMETER Any input parameter is invalid.
|
||||
@retval EFI_OUT_OF_RESOURCES Failed to allocate some resources.
|
||||
@retval EFI_NOT_FOUND This entry is not in the neighbor table.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
Tcp6RefreshNeighbor (
|
||||
IN TCP_CB *Tcb,
|
||||
IN EFI_IP_ADDRESS *Neighbor,
|
||||
IN UINT32 Timeout
|
||||
);
|
||||
|
||||
//
|
||||
// Functions in TcpDispatcher.c
|
||||
//
|
||||
|
||||
/**
|
||||
The procotol handler provided to the socket layer, used to
|
||||
dispatch the socket level requests by calling the corresponding
|
||||
TCP layer functions.
|
||||
|
||||
@param[in] Sock Pointer to the socket of this TCP instance.
|
||||
@param[in] Request The code of this operation request.
|
||||
@param[in] Data Pointer to the operation specific data passed in
|
||||
together with the operation request. This is an
|
||||
optional parameter that may be NULL.
|
||||
|
||||
@retval EFI_SUCCESS The socket request completed successfully.
|
||||
@retval other The error status returned by the corresponding TCP
|
||||
layer function.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
TcpDispatcher (
|
||||
IN SOCKET *Sock,
|
||||
IN UINT8 Request,
|
||||
IN VOID *Data OPTIONAL
|
||||
);
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user