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Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/Tcp6.h')
-rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/Tcp6.h | 864 |
1 files changed, 864 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/Tcp6.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/Tcp6.h new file mode 100644 index 0000000000..b725391518 --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/Tcp6.h @@ -0,0 +1,864 @@ +/** @file + EFI TCPv6(Transmission Control Protocol version 6) Protocol Definition + The EFI TCPv6 Service Binding Protocol is used to locate EFI TCPv6 Protocol drivers to create + and destroy child of the driver to communicate with other host using TCP protocol. + The EFI TCPv6 Protocol provides services to send and receive data stream. + + Copyright (c) 2008 - 2014, 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 + 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. + + @par Revision Reference: + This Protocol is introduced in UEFI Specification 2.2 + +**/ + +#ifndef __EFI_TCP6_PROTOCOL_H__ +#define __EFI_TCP6_PROTOCOL_H__ + +#include <Protocol/ManagedNetwork.h> +#include <Protocol/Ip6.h> + +#define EFI_TCP6_SERVICE_BINDING_PROTOCOL_GUID \ + { \ + 0xec20eb79, 0x6c1a, 0x4664, {0x9a, 0x0d, 0xd2, 0xe4, 0xcc, 0x16, 0xd6, 0x64 } \ + } + +#define EFI_TCP6_PROTOCOL_GUID \ + { \ + 0x46e44855, 0xbd60, 0x4ab7, {0xab, 0x0d, 0xa6, 0x79, 0xb9, 0x44, 0x7d, 0x77 } \ + } + + +typedef struct _EFI_TCP6_PROTOCOL EFI_TCP6_PROTOCOL; + +/// +/// EFI_TCP6_SERVICE_POINT is deprecated in the UEFI 2.4B and should not be used any more. +/// The definition in here is only present to provide backwards compatability. +/// +typedef struct { + /// + /// The EFI TCPv6 Protocol instance handle that is using this + /// address/port pair. + /// + EFI_HANDLE InstanceHandle; + /// + /// The local IPv6 address to which this TCP instance is bound. Set + /// to 0::/128, if this TCP instance is configured to listen on all + /// available source addresses. + /// + EFI_IPv6_ADDRESS LocalAddress; + /// + /// The local port number in host byte order. + /// + UINT16 LocalPort; + /// + /// The remote IPv6 address. It may be 0::/128 if this TCP instance is + /// not connected to any remote host. + /// + EFI_IPv6_ADDRESS RemoteAddress; + /// + /// The remote port number in host byte order. It may be zero if this + /// TCP instance is not connected to any remote host. + /// + UINT16 RemotePort; +} EFI_TCP6_SERVICE_POINT; + +/// +/// EFI_TCP6_VARIABLE_DATA is deprecated in the UEFI 2.4B and should not be used any more. +/// The definition in here is only present to provide backwards compatability. +/// +typedef struct { + EFI_HANDLE DriverHandle; ///< The handle of the driver that creates this entry. + UINT32 ServiceCount; ///< The number of address/port pairs following this data structure. + EFI_TCP6_SERVICE_POINT Services[1]; ///< List of address/port pairs that are currently in use. +} EFI_TCP6_VARIABLE_DATA; + +/// +/// EFI_TCP6_ACCESS_POINT +/// +typedef struct { + /// + /// The local IP address assigned to this TCP instance. The EFI + /// TCPv6 driver will only deliver incoming packets whose + /// destination addresses exactly match the IP address. Set to zero to + /// let the underlying IPv6 driver choose a source address. If not zero + /// it must be one of the configured IP addresses in the underlying + /// IPv6 driver. + /// + EFI_IPv6_ADDRESS StationAddress; + /// + /// The local port number to which this EFI TCPv6 Protocol instance + /// is bound. If the instance doesn't care the local port number, set + /// StationPort to zero to use an ephemeral port. + /// + UINT16 StationPort; + /// + /// The remote IP address to which this EFI TCPv6 Protocol instance + /// is connected. If ActiveFlag is FALSE (i.e. a passive TCPv6 + /// instance), the instance only accepts connections from the + /// RemoteAddress. If ActiveFlag is TRUE the instance will + /// connect to the RemoteAddress, i.e., outgoing segments will be + /// sent to this address and only segments from this address will be + /// delivered to the application. When ActiveFlag is FALSE, it + /// can be set to zero and means that incoming connection requests + /// from any address will be accepted. + /// + EFI_IPv6_ADDRESS RemoteAddress; + /// + /// The remote port to which this EFI TCPv6 Protocol instance + /// connects or from which connection request will be accepted by + /// this EFI TCPv6 Protocol instance. If ActiveFlag is FALSE it + /// can be zero and means that incoming connection request from + /// any port will be accepted. Its value can not be zero when + /// ActiveFlag is TRUE. + /// + UINT16 RemotePort; + /// + /// Set it to TRUE to initiate an active open. Set it to FALSE to + /// initiate a passive open to act as a server. + /// + BOOLEAN ActiveFlag; +} EFI_TCP6_ACCESS_POINT; + +/// +/// EFI_TCP6_OPTION +/// +typedef struct { + /// + /// The size of the TCP receive buffer. + /// + UINT32 ReceiveBufferSize; + /// + /// The size of the TCP send buffer. + /// + UINT32 SendBufferSize; + /// + /// The length of incoming connect request queue for a passive + /// instance. When set to zero, the value is implementation specific. + /// + UINT32 MaxSynBackLog; + /// + /// The maximum seconds a TCP instance will wait for before a TCP + /// connection established. When set to zero, the value is + /// implementation specific. + /// + UINT32 ConnectionTimeout; + /// + ///The number of times TCP will attempt to retransmit a packet on + ///an established connection. When set to zero, the value is + ///implementation specific. + /// + UINT32 DataRetries; + /// + /// How many seconds to wait in the FIN_WAIT_2 states for a final + /// FIN flag before the TCP instance is closed. This timeout is in + /// effective only if the application has called Close() to + /// disconnect the connection completely. It is also called + /// FIN_WAIT_2 timer in other implementations. When set to zero, + /// it should be disabled because the FIN_WAIT_2 timer itself is + /// against the standard. The default value is 60. + /// + UINT32 FinTimeout; + /// + /// How many seconds to wait in TIME_WAIT state before the TCP + /// instance is closed. The timer is disabled completely to provide a + /// method to close the TCP connection quickly if it is set to zero. It + /// is against the related RFC documents. + /// + UINT32 TimeWaitTimeout; + /// + /// The maximum number of TCP keep-alive probes to send before + /// giving up and resetting the connection if no response from the + /// other end. Set to zero to disable keep-alive probe. + /// + UINT32 KeepAliveProbes; + /// + /// The number of seconds a connection needs to be idle before TCP + /// sends out periodical keep-alive probes. When set to zero, the + /// value is implementation specific. It should be ignored if keep- + /// alive probe is disabled. + /// + UINT32 KeepAliveTime; + /// + /// The number of seconds between TCP keep-alive probes after the + /// periodical keep-alive probe if no response. When set to zero, the + /// value is implementation specific. It should be ignored if keep- + /// alive probe is disabled. + /// + UINT32 KeepAliveInterval; + /// + /// Set it to TRUE to enable the Nagle algorithm as defined in + /// RFC896. Set it to FALSE to disable it. + /// + BOOLEAN EnableNagle; + /// + /// Set it to TRUE to enable TCP timestamps option as defined in + /// RFC1323. Set to FALSE to disable it. + /// + BOOLEAN EnableTimeStamp; + /// + /// Set it to TRUE to enable TCP window scale option as defined in + /// RFC1323. Set it to FALSE to disable it. + /// + BOOLEAN EnableWindowScaling; + /// + /// Set it to TRUE to enable selective acknowledge mechanism + /// described in RFC 2018. Set it to FALSE to disable it. + /// Implementation that supports SACK can optionally support + /// DSAK as defined in RFC 2883. + /// + BOOLEAN EnableSelectiveAck; + /// + /// Set it to TRUE to enable path MTU discovery as defined in + /// RFC 1191. Set to FALSE to disable it. + /// + BOOLEAN EnablePathMtuDiscovery; +} EFI_TCP6_OPTION; + +/// +/// EFI_TCP6_CONFIG_DATA +/// +typedef struct { + /// + /// TrafficClass field in transmitted IPv6 packets. + /// + UINT8 TrafficClass; + /// + /// HopLimit field in transmitted IPv6 packets. + /// + UINT8 HopLimit; + /// + /// Used to specify TCP communication end settings for a TCP instance. + /// + EFI_TCP6_ACCESS_POINT AccessPoint; + /// + /// Used to configure the advance TCP option for a connection. If set + /// to NULL, implementation specific options for TCP connection will be used. + /// + EFI_TCP6_OPTION *ControlOption; +} EFI_TCP6_CONFIG_DATA; + +/// +/// EFI_TCP6_CONNECTION_STATE +/// +typedef enum { + Tcp6StateClosed = 0, + Tcp6StateListen = 1, + Tcp6StateSynSent = 2, + Tcp6StateSynReceived = 3, + Tcp6StateEstablished = 4, + Tcp6StateFinWait1 = 5, + Tcp6StateFinWait2 = 6, + Tcp6StateClosing = 7, + Tcp6StateTimeWait = 8, + Tcp6StateCloseWait = 9, + Tcp6StateLastAck = 10 +} EFI_TCP6_CONNECTION_STATE; + +/// +/// EFI_TCP6_COMPLETION_TOKEN +/// is used as a common header for various asynchronous tokens. +/// +typedef struct { + /// + /// The Event to signal after request is finished and Status field is + /// updated by the EFI TCPv6 Protocol driver. + /// + EFI_EVENT Event; + /// + /// The result of the completed operation. + /// + EFI_STATUS Status; +} EFI_TCP6_COMPLETION_TOKEN; + +/// +/// EFI_TCP6_CONNECTION_TOKEN +/// will be set if the active open succeeds or an unexpected +/// error happens. +/// +typedef struct { + /// + /// The Status in the CompletionToken will be set to one of + /// the following values if the active open succeeds or an unexpected + /// error happens: + /// EFI_SUCCESS: The active open succeeds and the instance's + /// state is Tcp6StateEstablished. + /// EFI_CONNECTION_RESET: The connect fails because the connection is reset + /// either by instance itself or the communication peer. + /// EFI_CONNECTION_REFUSED: The receiving or transmission operation fails because this + /// connection is refused. + /// EFI_ABORTED: The active open is aborted. + /// EFI_TIMEOUT: The connection establishment timer expires and + /// no more specific information is available. + /// EFI_NETWORK_UNREACHABLE: The active open fails because + /// an ICMP network unreachable error is received. + /// EFI_HOST_UNREACHABLE: The active open fails because an + /// ICMP host unreachable error is received. + /// EFI_PROTOCOL_UNREACHABLE: The active open fails + /// because an ICMP protocol unreachable error is received. + /// EFI_PORT_UNREACHABLE: The connection establishment + /// timer times out and an ICMP port unreachable error is received. + /// EFI_ICMP_ERROR: The connection establishment timer times + /// out and some other ICMP error is received. + /// EFI_DEVICE_ERROR: An unexpected system or network error occurred. + /// EFI_SECURITY_VIOLATION: The active open was failed because of IPSec policy check. + /// EFI_NO_MEDIA: There was a media error. + /// + EFI_TCP6_COMPLETION_TOKEN CompletionToken; +} EFI_TCP6_CONNECTION_TOKEN; + +/// +/// EFI_TCP6_LISTEN_TOKEN +/// returns when list operation finishes. +/// +typedef struct { + /// + /// The Status in CompletionToken will be set to the + /// following value if accept finishes: + /// EFI_SUCCESS: A remote peer has successfully established a + /// connection to this instance. A new TCP instance has also been + /// created for the connection. + /// EFI_CONNECTION_RESET: The accept fails because the connection is reset either + /// by instance itself or communication peer. + /// EFI_ABORTED: The accept request has been aborted. + /// EFI_SECURITY_VIOLATION: The accept operation was failed because of IPSec policy check. + /// + EFI_TCP6_COMPLETION_TOKEN CompletionToken; + EFI_HANDLE NewChildHandle; +} EFI_TCP6_LISTEN_TOKEN; + +/// +/// EFI_TCP6_FRAGMENT_DATA +/// allows multiple receive or transmit buffers to be specified. The +/// purpose of this structure is to provide scattered read and write. +/// +typedef struct { + UINT32 FragmentLength; ///< Length of data buffer in the fragment. + VOID *FragmentBuffer; ///< Pointer to the data buffer in the fragment. +} EFI_TCP6_FRAGMENT_DATA; + +/// +/// EFI_TCP6_RECEIVE_DATA +/// When TCPv6 driver wants to deliver received data to the application, +/// it will pick up the first queued receiving token, update its +/// Token->Packet.RxData then signal the Token->CompletionToken.Event. +/// +typedef struct { + /// + /// Whether the data is urgent. When this flag is set, the instance is in + /// urgent mode. + /// + BOOLEAN UrgentFlag; + /// + /// When calling Receive() function, it is the byte counts of all + /// Fragmentbuffer in FragmentTable allocated by user. + /// When the token is signaled by TCPv6 driver it is the length of + /// received data in the fragments. + /// + UINT32 DataLength; + /// + /// Number of fragments. + /// + UINT32 FragmentCount; + /// + /// An array of fragment descriptors. + /// + EFI_TCP6_FRAGMENT_DATA FragmentTable[1]; +} EFI_TCP6_RECEIVE_DATA; + +/// +/// EFI_TCP6_TRANSMIT_DATA +/// The EFI TCPv6 Protocol user must fill this data structure before sending a packet. +/// The packet may contain multiple buffers in non-continuous memory locations. +/// +typedef struct { + /// + /// Push If TRUE, data must be transmitted promptly, and the PUSH bit in + /// the last TCP segment created will be set. If FALSE, data + /// transmission may be delayed to combine with data from + /// subsequent Transmit()s for efficiency. + /// + BOOLEAN Push; + /// + /// The data in the fragment table are urgent and urgent point is in + /// effect if TRUE. Otherwise those data are NOT considered urgent. + /// + BOOLEAN Urgent; + /// + /// Length of the data in the fragments. + /// + UINT32 DataLength; + /// + /// Number of fragments. + /// + UINT32 FragmentCount; + /// + /// An array of fragment descriptors. + /// + EFI_TCP6_FRAGMENT_DATA FragmentTable[1]; +} EFI_TCP6_TRANSMIT_DATA; + +/// +/// EFI_TCP6_IO_TOKEN +/// returns When transmission finishes or meets any unexpected error. +/// +typedef struct { + /// + /// When transmission finishes or meets any unexpected error it will + /// be set to one of the following values: + /// EFI_SUCCESS: The receiving or transmission operation + /// completes successfully. + /// EFI_CONNECTION_FIN: The receiving operation fails because the communication peer + /// has closed the connection and there is no more data in the + /// receive buffer of the instance. + /// EFI_CONNECTION_RESET: The receiving or transmission operation fails + /// because this connection is reset either by instance + /// itself or the communication peer. + /// EFI_ABORTED: The receiving or transmission is aborted. + /// EFI_TIMEOUT: The transmission timer expires and no more + /// specific information is available. + /// EFI_NETWORK_UNREACHABLE: The transmission fails + /// because an ICMP network unreachable error is received. + /// EFI_HOST_UNREACHABLE: The transmission fails because an + /// ICMP host unreachable error is received. + /// EFI_PROTOCOL_UNREACHABLE: The transmission fails + /// because an ICMP protocol unreachable error is received. + /// EFI_PORT_UNREACHABLE: The transmission fails and an + /// ICMP port unreachable error is received. + /// EFI_ICMP_ERROR: The transmission fails and some other + /// ICMP error is received. + /// EFI_DEVICE_ERROR: An unexpected system or network error occurs. + /// EFI_SECURITY_VIOLATION: The receiving or transmission + /// operation was failed because of IPSec policy check + /// EFI_NO_MEDIA: There was a media error. + /// + EFI_TCP6_COMPLETION_TOKEN CompletionToken; + union { + /// + /// When this token is used for receiving, RxData is a pointer to + /// EFI_TCP6_RECEIVE_DATA. + /// + EFI_TCP6_RECEIVE_DATA *RxData; + /// + /// When this token is used for transmitting, TxData is a pointer to + /// EFI_TCP6_TRANSMIT_DATA. + /// + EFI_TCP6_TRANSMIT_DATA *TxData; + } Packet; +} EFI_TCP6_IO_TOKEN; + +/// +/// EFI_TCP6_CLOSE_TOKEN +/// returns when close operation finishes. +/// +typedef struct { + /// + /// When close finishes or meets any unexpected error it will be set + /// to one of the following values: + /// EFI_SUCCESS: The close operation completes successfully. + /// EFI_ABORTED: User called configure with NULL without close stopping. + /// EFI_SECURITY_VIOLATION: The close operation was failed because of IPSec policy check. + /// + EFI_TCP6_COMPLETION_TOKEN CompletionToken; + /// + /// Abort the TCP connection on close instead of the standard TCP + /// close process when it is set to TRUE. This option can be used to + /// satisfy a fast disconnect. + /// + BOOLEAN AbortOnClose; +} EFI_TCP6_CLOSE_TOKEN; + +/** + Get the current operational status. + + The GetModeData() function copies the current operational settings of this EFI TCPv6 + Protocol instance into user-supplied buffers. This function can also be used to retrieve + the operational setting of underlying drivers such as IPv6, MNP, or SNP. + + @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance. + @param[out] Tcp6State The buffer in which the current TCP state is returned. + @param[out] Tcp6ConfigData The buffer in which the current TCP configuration is returned. + @param[out] Ip6ModeData The buffer in which the current IPv6 configuration data used by + the TCP instance is returned. + @param[out] MnpConfigData The buffer in which the current MNP configuration data used + indirectly by the TCP instance is returned. + @param[out] SnpModeData The buffer in which the current SNP mode data used indirectly by + the TCP instance is returned. + + @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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TCP6_GET_MODE_DATA)( + IN EFI_TCP6_PROTOCOL *This, + OUT EFI_TCP6_CONNECTION_STATE *Tcp6State OPTIONAL, + OUT EFI_TCP6_CONFIG_DATA *Tcp6ConfigData OPTIONAL, + OUT EFI_IP6_MODE_DATA *Ip6ModeData OPTIONAL, + OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL, + OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL + ); + +/** + Initialize or brutally reset the operational parameters for this EFI TCPv6 instance. + + The Configure() function does the following: + - Initialize this TCP instance, i.e., initialize the communication end settings and + specify active open or passive open for an instance. + - Reset this TCP instance brutally, i.e., cancel all pending asynchronous tokens, flush + transmission and receiving buffer directly without informing the communication peer. + + No other TCPv6 Protocol operation except Poll() can be executed by this instance until + it is configured properly. For an active TCP instance, after a proper configuration it + may call Connect() to initiates the three-way handshake. For a passive TCP instance, + its state will transit to Tcp6StateListen after configuration, and Accept() may be + called to listen the incoming TCP connection requests. If Tcp6ConfigData is set to NULL, + the instance is reset. Resetting process will be done brutally, the state machine will + be set to Tcp6StateClosed directly, the receive queue and transmit queue will be flushed, + and no traffic is allowed through this instance. + + @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance. + @param[in] Tcp6ConfigData Pointer to the configure data to configure the instance. + If Tcp6ConfigData is set to NULL, the instance is reset. + + @retval EFI_SUCCESS The operational settings are set, changed, or reset + successfully. + @retval EFI_NO_MAPPING The underlying IPv6 driver was responsible for choosing a source + address for this instance, but no source address was available for + use. + @retval EFI_INVALID_PARAMETER One or more of the following conditions are TRUE: + - This is NULL. + - Tcp6ConfigData->AccessPoint.StationAddress is neither zero nor + one of the configured IP addresses in the underlying IPv6 driver. + - Tcp6ConfigData->AccessPoint.RemoteAddress isn't a valid unicast + IPv6 address. + - Tcp6ConfigData->AccessPoint.RemoteAddress is zero or + Tcp6ConfigData->AccessPoint.RemotePort is zero when + Tcp6ConfigData->AccessPoint.ActiveFlag is TRUE. + - A same access point has been configured in other TCP + instance properly. + @retval EFI_ACCESS_DENIED Configuring TCP instance when it is configured without + calling Configure() with NULL to reset it. + @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 when + executing Configure(). + @retval EFI_DEVICE_ERROR An unexpected network or system error occurred. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TCP6_CONFIGURE)( + IN EFI_TCP6_PROTOCOL *This, + IN EFI_TCP6_CONFIG_DATA *Tcp6ConfigData OPTIONAL + ); + +/** + Initiate a nonblocking TCP connection request for an active TCP instance. + + The Connect() function will initiate an active open to the remote peer configured + in current TCP instance if it is configured active. If the connection succeeds or + fails due to any error, the ConnectionToken->CompletionToken.Event will be signaled + and ConnectionToken->CompletionToken.Status will be updated accordingly. This + function can only be called for the TCP instance in Tcp6StateClosed state. The + instance will transfer into Tcp6StateSynSent if the function returns EFI_SUCCESS. + If TCP three-way handshake succeeds, its state will become Tcp6StateEstablished, + otherwise, the state will return to Tcp6StateClosed. + + @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance. + @param[in] ConnectionToken Pointer to the connection token to return when the TCP three + way handshake finishes. + + @retval EFI_SUCCESS The connection request is successfully initiated and the state of + this TCP instance has been changed to Tcp6StateSynSent. + @retval EFI_NOT_STARTED This EFI TCPv6 Protocol instance has not been configured. + @retval EFI_ACCESS_DENIED One or more of the following conditions are TRUE: + - This instance is not configured as an active one. + - This instance is not in Tcp6StateClosed state. + @retval EFI_INVALID_PARAMETER One or more of the following are TRUE: + - This is NULL. + - ConnectionToken is NULL. + - ConnectionToken->CompletionToken.Event is NULL. + @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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TCP6_CONNECT)( + IN EFI_TCP6_PROTOCOL *This, + IN EFI_TCP6_CONNECTION_TOKEN *ConnectionToken + ); + +/** + Listen on the passive instance to accept an incoming connection request. This is a + nonblocking operation. + + The Accept() function initiates an asynchronous accept request to wait for an incoming + connection on the passive TCP instance. If a remote peer successfully establishes a + connection with this instance, a new TCP instance will be created and its handle will + be returned in ListenToken->NewChildHandle. The newly created instance is configured + by inheriting the passive instance's configuration and is ready for use upon return. + The new instance is in the Tcp6StateEstablished state. + + The ListenToken->CompletionToken.Event will be signaled when a new connection is + accepted, user aborts the listen or connection is reset. + + This function only can be called when current TCP instance is in Tcp6StateListen state. + + @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance. + @param[in] 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 This EFI TCPv6 Protocol instance has not been configured. + @retval EFI_ACCESS_DENIED One or more of the following are TRUE: + - This instance is not a passive instance. + - This instance is not in Tcp6StateListen state. + - The same listen token has already existed in the listen + token queue of this TCP instance. + @retval EFI_INVALID_PARAMETER One or more of the following are TRUE: + - This is NULL. + - ListenToken is NULL. + - ListentToken->CompletionToken.Event is NULL. + @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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TCP6_ACCEPT)( + IN EFI_TCP6_PROTOCOL *This, + IN EFI_TCP6_LISTEN_TOKEN *ListenToken + ); + +/** + Queues outgoing data into the transmit queue. + + The Transmit() function queues a sending request to this TCP instance along with the + user data. The status of the token is updated and the event in the token will be + signaled once the data is sent out or some error occurs. + + @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance. + @param[in] 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 This EFI TCPv6 Protocol instance has not been configured. + @retval EFI_NO_MAPPING The underlying IPv6 driver was responsible for choosing a + source address for this instance, but no source address was + available for use. + @retval EFI_INVALID_PARAMETER One or more of the following are TRUE: + - This is NULL. + - Token is NULL. + - Token->CompletionToken.Event is NULL. + - Token->Packet.TxData is NULL. + - Token->Packet.FragmentCount is zero. + - Token->Packet.DataLength is not equal to the sum of fragment lengths. + @retval EFI_ACCESS_DENIED One or more of the following conditions are TRUE: + - A transmit completion token with the same Token-> + CompletionToken.Event was already in the + transmission queue. + - The current instance is in Tcp6StateClosed state. + - The current instance is a passive one and it is in + Tcp6StateListen 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TCP6_TRANSMIT)( + IN EFI_TCP6_PROTOCOL *This, + IN EFI_TCP6_IO_TOKEN *Token + ); + +/** + Places an asynchronous receive request into the receiving queue. + + The Receive() function places a completion token into the receive packet queue. This + function is always asynchronous. The caller must allocate the Token->CompletionToken.Event + and the FragmentBuffer used to receive data. The caller also must fill the DataLength which + represents the whole length of all FragmentBuffer. When the receive operation completes, the + EFI TCPv6 Protocol driver updates the Token->CompletionToken.Status and Token->Packet.RxData + fields and the Token->CompletionToken.Event is signaled. If got data the data and its length + will be copied into the FragmentTable, at the same time the full length of received data will + be recorded in the DataLength fields. Providing a proper notification function and context + for the event will enable the user to receive the notification and receiving status. That + notification function is guaranteed to not be re-entered. + + @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance. + @param[in] 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 This EFI TCPv6 Protocol instance has not been configured. + @retval EFI_NO_MAPPING The underlying IPv6 driver was responsible for choosing a source + address for this instance, but no source address was available for use. + @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE: + - This is NULL. + - Token is NULL. + - Token->CompletionToken.Event is NULL. + - Token->Packet.RxData is NULL. + - Token->Packet.RxData->DataLength is 0. + - The Token->Packet.RxData->DataLength is not the + sum of all FragmentBuffer length in FragmentTable. + @retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued due to a lack of + system resources (usually memory). + @retval EFI_DEVICE_ERROR An unexpected system or network error occurred. + The EFI TCPv6 Protocol instance has been reset to startup defaults. + @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 Tcp6StateClosed state. + - The current instance is a passive one and it is in + Tcp6StateListen 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TCP6_RECEIVE)( + IN EFI_TCP6_PROTOCOL *This, + IN EFI_TCP6_IO_TOKEN *Token + ); + +/** + Disconnecting a TCP connection gracefully or reset a TCP connection. This function is a + nonblocking operation. + + Initiate an asynchronous close token to TCP driver. After Close() is called, any buffered + transmission data will be sent by TCP driver and the current instance will have a graceful close + working flow described as RFC 793 if AbortOnClose is set to FALSE, otherwise, a rest packet + will be sent by TCP driver to fast disconnect this connection. When the close operation completes + successfully the TCP instance is in Tcp6StateClosed state, all pending asynchronous + operations are signaled and any buffers used for TCP network traffic are flushed. + + @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance. + @param[in] CloseToken Pointer to the close token to return when operation finishes. + + @retval EFI_SUCCESS The Close() is called successfully. + @retval EFI_NOT_STARTED This EFI TCPv6 Protocol instance has not been configured. + @retval EFI_ACCESS_DENIED One or more of the following are TRUE: + - CloseToken or CloseToken->CompletionToken.Event is already in use. + - Previous Close() call on this instance has not finished. + @retval EFI_INVALID_PARAMETER One or more of the following are TRUE: + - This is NULL. + - CloseToken is NULL. + - CloseToken->CompletionToken.Event is NULL. + @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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TCP6_CLOSE)( + IN EFI_TCP6_PROTOCOL *This, + IN EFI_TCP6_CLOSE_TOKEN *CloseToken + ); + +/** + Abort an asynchronous connection, listen, transmission or receive request. + + The Cancel() function aborts a pending connection, listen, transmit or + receive request. + + If Token is not NULL and the token is in the connection, listen, transmission + or receive queue when it is being cancelled, its Token->Status will be set + to EFI_ABORTED and then Token->Event will be signaled. + + If the token is not in one of the queues, which usually means that the + asynchronous operation has completed, EFI_NOT_FOUND is returned. + + If Token is NULL all asynchronous token issued by Connect(), Accept(), + Transmit() and Receive() will be aborted. + + @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance. + @param[in] Token Pointer to a token that has been issued by + EFI_TCP6_PROTOCOL.Connect(), + EFI_TCP6_PROTOCOL.Accept(), + EFI_TCP6_PROTOCOL.Transmit() or + EFI_TCP6_PROTOCOL.Receive(). If NULL, all pending + tokens issued by above four functions will be aborted. Type + EFI_TCP6_COMPLETION_TOKEN is defined in + EFI_TCP_PROTOCOL.Connect(). + + @retval EFI_SUCCESS The asynchronous I/O request is aborted and Token->Event + is signaled. + @retval EFI_INVALID_PARAMETER This is NULL. + @retval EFI_NOT_STARTED This instance hasn't been configured. + @retval EFI_NOT_FOUND The asynchronous I/O request isn't found in the transmission or + receive queue. It has either completed or wasn't issued by + Transmit() and Receive(). + @retval EFI_UNSUPPORTED The implementation does not support this function. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TCP6_CANCEL)( + IN EFI_TCP6_PROTOCOL *This, + IN EFI_TCP6_COMPLETION_TOKEN *Token OPTIONAL + ); + +/** + Poll to receive incoming data and transmit outgoing segments. + + The Poll() function increases the rate that data is moved between the network + and application and can be called when the TCP instance is created successfully. + Its use is optional. + + @param[in] This Pointer to the EFI_TCP6_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 is processed. + @retval EFI_TIMEOUT Data was dropped out of the transmission or receive queue. + Consider increasing the polling rate. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TCP6_POLL)( + IN EFI_TCP6_PROTOCOL *This + ); + +/// +/// EFI_TCP6_PROTOCOL +/// defines the EFI TCPv6 Protocol child to be used by any network drivers or +/// applications to send or receive data stream. It can either listen on a +/// specified port as a service or actively connect to remote peer as a client. +/// Each instance has its own independent settings. +/// +struct _EFI_TCP6_PROTOCOL { + EFI_TCP6_GET_MODE_DATA GetModeData; + EFI_TCP6_CONFIGURE Configure; + EFI_TCP6_CONNECT Connect; + EFI_TCP6_ACCEPT Accept; + EFI_TCP6_TRANSMIT Transmit; + EFI_TCP6_RECEIVE Receive; + EFI_TCP6_CLOSE Close; + EFI_TCP6_CANCEL Cancel; + EFI_TCP6_POLL Poll; +}; + +extern EFI_GUID gEfiTcp6ServiceBindingProtocolGuid; +extern EFI_GUID gEfiTcp6ProtocolGuid; + +#endif + |