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audk/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c

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/** @file
Copyright (c) 2005 - 2006, Intel Corporation
All rights reserved. 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
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
Tcp4Main.c
Abstract:
Implementation of TCP4 protocol services.
**/
#include "Tcp4Main.h"
/**
Check the integrity of the data buffer.
@param DataLen The total length of the data buffer.
@param FragmentCount The fragment count of the fragment table.
@param FragmentTable Pointer to the fragment table of the data
buffer.
@retval EFI_SUCCESS The integrity check is passed.
@retval EFI_INVALID_PARAMETER The integrity check is failed.
**/
EFI_STATUS
Tcp4ChkDataBuf (
IN UINT32 DataLen,
IN UINT32 FragmentCount,
IN EFI_TCP4_FRAGMENT_DATA *FragmentTable
)
{
UINT32 Index;
UINT32 Len;
for (Index = 0, Len = 0; Index < FragmentCount; Index++) {
Len = Len + (UINT32) FragmentTable[Index].FragmentLength;
}
if (DataLen != Len) {
return EFI_INVALID_PARAMETER;
}
return EFI_SUCCESS;
}
/**
Get the current operational status.
@param This Pointer to the EFI_TCP4_PROTOCOL instance.
@param Tcp4State Pointer to the buffer to receive the current TCP
state.
@param Tcp4ConfigData Pointer to the buffer to receive the current TCP
configuration.
@param Ip4ModeData Pointer to the buffer to receive the current
IPv4 configuration.
@param MnpConfigData Pointer to the buffer to receive the current MNP
configuration data indirectly used by the TCPv4
Instance.
@param SnpModeData Pointer to the buffer to receive the current SNP
configuration data indirectly used by the TCPv4
Instance.
@retval EFI_SUCCESS The mode data was read.
@retval EFI_NOT_STARTED No configuration data is available because this
instance hasn't been started.
@retval EFI_INVALID_PARAMETER This is NULL.
**/
EFI_STATUS
EFIAPI
Tcp4GetModeData (
IN CONST EFI_TCP4_PROTOCOL * This,
OUT EFI_TCP4_CONNECTION_STATE * Tcp4State OPTIONAL,
OUT EFI_TCP4_CONFIG_DATA * Tcp4ConfigData OPTIONAL,
OUT EFI_IP4_MODE_DATA * Ip4ModeData OPTIONAL,
OUT EFI_MANAGED_NETWORK_CONFIG_DATA * MnpConfigData OPTIONAL,
OUT EFI_SIMPLE_NETWORK_MODE * SnpModeData OPTIONAL
)
{
TCP4_MODE_DATA TcpMode;
SOCKET *Sock;
if (NULL == This) {
return EFI_INVALID_PARAMETER;
}
Sock = SOCK_FROM_THIS (This);
TcpMode.Tcp4State = Tcp4State;
TcpMode.Tcp4ConfigData = Tcp4ConfigData;
TcpMode.Ip4ModeData = Ip4ModeData;
TcpMode.MnpConfigData = MnpConfigData;
TcpMode.SnpModeData = SnpModeData;
return SockGetMode (Sock, &TcpMode);
}
/**
Initialize or brutally reset the operational parameters for
this EFI TCPv4 instance.
@param This Pointer to the EFI_TCP4_PROTOCOL instance.
@param TcpConfigData Pointer to the configure data to configure the
instance.
@retval EFI_SUCCESS The operational settings are set, changed, or
reset successfully.
@retval EFI_NO_MAPPING When using a default address, configuration
(through DHCP, BOOTP, RARP, etc.) is not
finished.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_ACCESS_DENIED Configuring TCP instance when it is already
configured.
@retval EFI_DEVICE_ERROR An unexpected network or system error occurred.
@retval EFI_UNSUPPORTED One or more of the control options are not
supported in the implementation.
@retval EFI_OUT_OF_RESOURCES Could not allocate enough system resources.
**/
EFI_STATUS
EFIAPI
Tcp4Configure (
IN EFI_TCP4_PROTOCOL * This,
IN EFI_TCP4_CONFIG_DATA * TcpConfigData OPTIONAL
)
{
EFI_TCP4_OPTION *Option;
SOCKET *Sock;
EFI_STATUS Status;
IP4_ADDR Ip;
IP4_ADDR SubnetMask;
if (NULL == This) {
return EFI_INVALID_PARAMETER;
}
//
// Tcp protocol related parameter check will be conducted here
//
if (NULL != TcpConfigData) {
CopyMem (&Ip, &TcpConfigData->AccessPoint.RemoteAddress, sizeof (IP4_ADDR));
if ((Ip != 0) && !Ip4IsUnicast (NTOHL (Ip), 0)) {
return EFI_INVALID_PARAMETER;
}
if (TcpConfigData->AccessPoint.ActiveFlag &&
(0 == TcpConfigData->AccessPoint.RemotePort || (Ip == 0))) {
return EFI_INVALID_PARAMETER;
}
if (!TcpConfigData->AccessPoint.UseDefaultAddress) {
CopyMem (&Ip, &TcpConfigData->AccessPoint.StationAddress, sizeof (IP4_ADDR));
CopyMem (&SubnetMask, &TcpConfigData->AccessPoint.SubnetMask, sizeof (IP4_ADDR));
if (!Ip4IsUnicast (NTOHL (Ip), 0) || !IP4_IS_VALID_NETMASK (NTOHL (SubnetMask))) {
return EFI_INVALID_PARAMETER;
}
}
Option = TcpConfigData->ControlOption;
if ((NULL != Option) &&
(Option->EnableSelectiveAck || Option->EnablePathMtuDiscovery)) {
return EFI_UNSUPPORTED;
}
}
Sock = SOCK_FROM_THIS (This);
if (NULL == TcpConfigData) {
return SockFlush (Sock);
}
Status = SockConfigure (Sock, TcpConfigData);
if (EFI_NO_MAPPING == Status) {
Sock->ConfigureState = SO_NO_MAPPING;
}
return Status;
}
/**
Add or delete routing entries.
@param This Pointer to the EFI_TCP4_PROTOCOL instance.
@param DeleteRoute If TRUE, delete the specified route from routing
table; if FALSE, add the specified route to
routing table.
@param SubnetAddress The destination network.
@param SubnetMask The subnet mask for the destination network.
@param GatewayAddress The gateway address for this route.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance has not been
configured.
@retval EFI_NO_MAPPING When using a default address, configuration
(through DHCP, BOOTP, RARP, etc.) is not
finished.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_OUT_OF_RESOURCES Could not allocate enough resources to add the
entry to the routing table.
@retval EFI_NOT_FOUND This route is not in the routing table.
@retval EFI_ACCESS_DENIED This route is already in the routing table.
@retval EFI_UNSUPPORTED The TCP driver does not support this operation.
**/
EFI_STATUS
EFIAPI
Tcp4Routes (
IN EFI_TCP4_PROTOCOL *This,
IN BOOLEAN DeleteRoute,
IN EFI_IPv4_ADDRESS *SubnetAddress,
IN EFI_IPv4_ADDRESS *SubnetMask,
IN EFI_IPv4_ADDRESS *GatewayAddress
)
{
SOCKET *Sock;
TCP4_ROUTE_INFO RouteInfo;
if (NULL == This) {
return EFI_INVALID_PARAMETER;
}
Sock = SOCK_FROM_THIS (This);
RouteInfo.DeleteRoute = DeleteRoute;
RouteInfo.SubnetAddress = SubnetAddress;
RouteInfo.SubnetMask = SubnetMask;
RouteInfo.GatewayAddress = GatewayAddress;
return SockRoute (Sock, &RouteInfo);
}
/**
Initiate a nonblocking TCP connection request for an active TCP instance.
@param This Pointer to the EFI_TCP4_PROTOCOL instance
@param ConnectionToken Pointer to the connection token to return when
the TCP three way handshake finishes.
@retval EFI_SUCCESS The connection request is successfully
initiated.
@retval EFI_NOT_STARTED This EFI_TCP4_PROTOCOL instance hasn't been
configured.
@retval EFI_ACCESS_DENIED The instance is not configured as an active one
or it is not in Tcp4StateClosed state.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_OUT_OF_RESOURCES The driver can't allocate enough resource to
initiate the active open.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
**/
EFI_STATUS
EFIAPI
Tcp4Connect (
IN EFI_TCP4_PROTOCOL *This,
IN EFI_TCP4_CONNECTION_TOKEN *ConnectionToken
)
{
SOCKET *Sock;
if (NULL == This ||
NULL == ConnectionToken ||
NULL == ConnectionToken->CompletionToken.Event) {
return EFI_INVALID_PARAMETER;
}
Sock = SOCK_FROM_THIS (This);
return SockConnect (Sock, ConnectionToken);
}
/**
Listen on the passive instance to accept an incoming connection request.
@param This Pointer to the EFI_TCP4_PROTOCOL instance
@param ListenToken Pointer to the listen token to return when
operation finishes.
@retval EFI_SUCCESS The listen token has been queued successfully.
@retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance hasn't been
configured.
@retval EFI_ACCESS_DENIED The instatnce is not a passive one or it is not
in Tcp4StateListen state or a same listen token
has already existed in the listen token queue of
this TCP instance.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_OUT_OF_RESOURCES Could not allocate enough resources to finish
the operation.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
**/
EFI_STATUS
EFIAPI
Tcp4Accept (
IN EFI_TCP4_PROTOCOL *This,
IN EFI_TCP4_LISTEN_TOKEN *ListenToken
)
{
SOCKET *Sock;
if (NULL == This ||
NULL == ListenToken ||
NULL == ListenToken->CompletionToken.Event) {
return EFI_INVALID_PARAMETER;
}
Sock = SOCK_FROM_THIS (This);
return SockAccept (Sock, ListenToken);
}
/**
Queues outgoing data into the transmit queue
@param This Pointer to the EFI_TCP4_PROTOCOL instance
@param Token Pointer to the completion token to queue to the
transmit queue
@retval EFI_SUCCESS The data has been queued for transmission
@retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance hasn't been
configured.
@retval EFI_NO_MAPPING When using a default address, configuration
(DHCP, BOOTP, RARP, etc.) is not finished yet.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid
@retval EFI_ACCESS_DENIED One or more of the following conditions is TRUE:
* A transmit completion token with the same
Token-> CompletionToken.Event was already in the
transmission queue. * The current instance is in
Tcp4StateClosed state * The current instance is
a passive one and it is in Tcp4StateListen
state. * User has called Close() to disconnect
this connection.
@retval EFI_NOT_READY The completion token could not be queued because
the transmit queue is full.
@retval EFI_OUT_OF_RESOURCES Could not queue the transmit data because of
resource shortage.
@retval EFI_NETWORK_UNREACHABLE There is no route to the destination network or
address.
**/
EFI_STATUS
EFIAPI
Tcp4Transmit (
IN EFI_TCP4_PROTOCOL *This,
IN EFI_TCP4_IO_TOKEN *Token
)
{
SOCKET *Sock;
EFI_STATUS Status;
if (NULL == This ||
NULL == Token ||
NULL == Token->CompletionToken.Event ||
NULL == Token->Packet.TxData ||
0 == Token->Packet.TxData->FragmentCount ||
0 == Token->Packet.TxData->DataLength
) {
return EFI_INVALID_PARAMETER;
}
Status = Tcp4ChkDataBuf (
(UINT32) Token->Packet.TxData->DataLength,
(UINT32) Token->Packet.TxData->FragmentCount,
Token->Packet.TxData->FragmentTable
);
if (EFI_ERROR (Status)) {
return Status;
}
Sock = SOCK_FROM_THIS (This);
return SockSend (Sock, Token);
}
/**
Place an asynchronous receive request into the receiving queue.
@param This Pointer to the EFI_TCP4_PROTOCOL instance.
@param Token Pointer to a token that is associated with the
receive data descriptor.
@retval EFI_SUCCESS The receive completion token was cached
@retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance hasn't been
configured.
@retval EFI_NO_MAPPING When using a default address, configuration
(DHCP, BOOTP, RARP, etc.) is not finished yet.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued
due to a lack of system resources.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
@retval EFI_ACCESS_DENIED One or more of the following conditions is TRUE:
* A receive completion token with the same
Token->CompletionToken.Event was already in the
receive queue. * The current instance is in
Tcp4StateClosed state. * The current instance is
a passive one and it is in Tcp4StateListen
state. * User has called Close() to disconnect
this connection.
@retval EFI_CONNECTION_FIN The communication peer has closed the connection
and there is no any buffered data in the receive
buffer of this instance.
@retval EFI_NOT_READY The receive request could not be queued because
the receive queue is full.
**/
EFI_STATUS
EFIAPI
Tcp4Receive (
IN EFI_TCP4_PROTOCOL *This,
IN EFI_TCP4_IO_TOKEN *Token
)
{
SOCKET *Sock;
EFI_STATUS Status;
if (NULL == This ||
NULL == Token ||
NULL == Token->CompletionToken.Event ||
NULL == Token->Packet.RxData ||
0 == Token->Packet.RxData->FragmentCount ||
0 == Token->Packet.RxData->DataLength
) {
return EFI_INVALID_PARAMETER;
}
Status = Tcp4ChkDataBuf (
(UINT32) Token->Packet.RxData->DataLength,
(UINT32) Token->Packet.RxData->FragmentCount,
Token->Packet.RxData->FragmentTable
);
if (EFI_ERROR (Status)) {
return Status;
}
Sock = SOCK_FROM_THIS (This);
return SockRcv (Sock, Token);
}
/**
Disconnecting a TCP connection gracefully or reset a TCP connection.
@param This Pointer to the EFI_TCP4_PROTOCOL instance
@param CloseToken Pointer to the close token to return when
operation finishes.
@retval EFI_SUCCESS The operation completed successfully
@retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance hasn't been
configured.
@retval EFI_ACCESS_DENIED One or more of the following are TRUE: *
Configure() has been called with TcpConfigData
set to NULL and this function has not returned.
* Previous Close() call on this instance has not
finished.
@retval EFI_INVALID_PARAMETER One ore more parameters are invalid
@retval EFI_OUT_OF_RESOURCES Could not allocate enough resource to finish the
operation
@retval EFI_DEVICE_ERROR Any unexpected and not belonged to above
category error.
**/
EFI_STATUS
EFIAPI
Tcp4Close (
IN EFI_TCP4_PROTOCOL *This,
IN EFI_TCP4_CLOSE_TOKEN *CloseToken
)
{
SOCKET *Sock;
if (NULL == This ||
NULL == CloseToken ||
NULL == CloseToken->CompletionToken.Event) {
return EFI_INVALID_PARAMETER;
}
Sock = SOCK_FROM_THIS (This);
return SockClose (Sock, CloseToken, CloseToken->AbortOnClose);
}
/**
Abort an asynchronous connection, listen, transmission or receive request.
@param This Pointer to the EFI_TCP4_PROTOCOL instance.
@param Token Pointer to a token that has been issued by
Connect(), Accept(), Transmit() or Receive(). If
NULL, all pending tokens issued by above four
functions will be aborted.
@retval EFI_UNSUPPORTED The operation is not supported in current
implementation.
**/
EFI_STATUS
EFIAPI
Tcp4Cancel (
IN EFI_TCP4_PROTOCOL * This,
IN EFI_TCP4_COMPLETION_TOKEN * Token OPTIONAL
)
{
return EFI_UNSUPPORTED;
}
/**
Poll to receive incoming data and transmit outgoing segments.
@param This Pointer to the EFI_TCP4_PROTOCOL instance.
@retval EFI_SUCCESS Incoming or outgoing data was processed.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
@retval EFI_NOT_READY No incoming or outgoing data was processed.
@retval EFI_TIMEOUT Data was dropped out of the transmission or
receive queue. Consider increasing the polling
rate.
**/
EFI_STATUS
EFIAPI
Tcp4Poll (
IN EFI_TCP4_PROTOCOL *This
)
{
SOCKET *Sock;
EFI_STATUS Status;
if (NULL == This) {
return EFI_INVALID_PARAMETER;
}
Sock = SOCK_FROM_THIS (This);
Status = Sock->ProtoHandler (Sock, SOCK_POLL, NULL);
return Status;
}
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