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audk/NetworkPkg/TcpDxe/Socket.h

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/** @file
Common head file for TCP socket.
Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _SOCKET_H_
#define _SOCKET_H_
#include <Uefi.h>
#include <Protocol/Tcp4.h>
#include <Protocol/Tcp6.h>
#include <Library/NetLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/DpcLib.h>
#define SOCK_SND_BUF 0
#define SOCK_RCV_BUF 1
#define SOCK_BUFF_LOW_WATER (2 * 1024)
#define SOCK_RCV_BUFF_SIZE (8 * 1024)
#define SOCK_SND_BUFF_SIZE (8 * 1024)
#define SOCK_BACKLOG 5
#define PROTO_RESERVED_LEN 20
#define SO_NO_MORE_DATA 0x0001
//
//
//
// When a socket is created it enters into SO_UNCONFIGURED,
// no actions can be taken on this socket, only after calling
// SockConfigure. The state transition diagram of socket is
// as following:
//
// SO_UNCONFIGURED --- SO_CONFIGURED --- SO_CONNECTING
// ^ | |
// | ---> SO_LISTENING |
// | |
// |------------------SO_DISCONNECTING<-- SO_CONNECTED
//
// A passive socket can only go into SO_LISTENING and
// SO_UNCONFIGURED state. SO_XXXING state is a middle state
// when a socket is undergoing a protocol procedure such
// as requesting a TCP connection.
//
//
//
///
/// Socket state
///
#define SO_CLOSED 0
#define SO_LISTENING 1
#define SO_CONNECTING 2
#define SO_CONNECTED 3
#define SO_DISCONNECTING 4
///
/// Socket configure state
///
#define SO_UNCONFIGURED 0
#define SO_CONFIGURED_ACTIVE 1
#define SO_CONFIGURED_PASSIVE 2
#define SO_NO_MAPPING 3
///
/// The request issued from socket layer to protocol layer.
///
#define SOCK_ATTACH 0 ///< Attach current socket to a new PCB
#define SOCK_DETACH 1 ///< Detach current socket from the PCB
#define SOCK_CONFIGURE 2 ///< Configure attached PCB
#define SOCK_FLUSH 3 ///< Flush attached PCB
#define SOCK_SND 4 ///< Need protocol to send something
#define SOCK_SNDPUSH 5 ///< Need protocol to send pushed data
#define SOCK_SNDURG 6 ///< Need protocol to send urgent data
#define SOCK_CONSUMED 7 ///< Application has retrieved data from socket
#define SOCK_CONNECT 8 ///< Need to connect to a peer
#define SOCK_CLOSE 9 ///< Need to close the protocol process
#define SOCK_ABORT 10 ///< Need to reset the protocol process
#define SOCK_POLL 11 ///< Need to poll to the protocol layer
#define SOCK_ROUTE 12 ///< Need to add a route information
#define SOCK_MODE 13 ///< Need to get the mode data of the protocol
#define SOCK_GROUP 14 ///< Need to join a mcast group
/**
Set socket SO_NO_MORE_DATA flag.
@param[in] Sock Pointer to the socket
**/
#define SOCK_NO_MORE_DATA(Sock) ((Sock)->Flag |= SO_NO_MORE_DATA)
/**
Check whether the socket is unconfigured.
@param[in] Sock Pointer to the socket.
@retval TRUE The socket is unconfigued.
@retval FALSE The socket is not unconfigued.
**/
#define SOCK_IS_UNCONFIGURED(Sock) ((Sock)->ConfigureState == SO_UNCONFIGURED)
/**
Check whether the socket is configured.
@param[in] Sock Pointer to the socket
@retval TRUE The socket is configued
@retval FALSE The socket is not configued
**/
#define SOCK_IS_CONFIGURED(Sock) \
(((Sock)->ConfigureState == SO_CONFIGURED_ACTIVE) || \
((Sock)->ConfigureState == SO_CONFIGURED_PASSIVE))
/**
Check whether the socket is configured to active mode.
@param[in] Sock Pointer to the socket.
@retval TRUE The socket is configued to active mode.
@retval FALSE The socket is not configued to active mode.
**/
#define SOCK_IS_CONFIGURED_ACTIVE(Sock) ((Sock)->ConfigureState == SO_CONFIGURED_ACTIVE)
/**
Check whether the socket is configured to passive mode.
@param[in] Sock Pointer to the socket.
@retval TRUE The socket is configued to passive mode.
@retval FALSE The socket is not configued to passive mode.
**/
#define SOCK_IS_CONNECTED_PASSIVE(Sock) ((Sock)->ConfigureState == SO_CONFIGURED_PASSIVE)
/**
Check whether the socket is mapped.
@param[in] Sock Pointer to the socket.
@retval TRUE The socket is not mapping.
@retval FALSE The socket is mapped.
**/
#define SOCK_IS_NO_MAPPING(Sock) ((Sock)->ConfigureState == SO_NO_MAPPING)
/**
Check whether the socket is closed.
@param[in] Sock Pointer to the socket.
@retval TRUE The socket is closed.
@retval FALSE The socket is not closed.
**/
#define SOCK_IS_CLOSED(Sock) ((Sock)->State == SO_CLOSED)
/**
Check whether the socket is listening.
@param[in] Sock Pointer to the socket.
@retval TRUE The socket is listening.
@retval FALSE The socket is not listening.
**/
#define SOCK_IS_LISTENING(Sock) ((Sock)->State == SO_LISTENING)
/**
Check whether the socket is connecting.
@param[in] Sock Pointer to the socket.
@retval TRUE The socket is connecting.
@retval FALSE The socket is not connecting.
**/
#define SOCK_IS_CONNECTING(Sock) ((Sock)->State == SO_CONNECTING)
/**
Check whether the socket has connected.
@param[in] Sock Pointer to the socket.
@retval TRUE The socket has connected.
@retval FALSE The socket has not connected.
**/
#define SOCK_IS_CONNECTED(Sock) ((Sock)->State == SO_CONNECTED)
/**
Check whether the socket is disconnecting.
@param[in] Sock Pointer to the socket.
@retval TRUE The socket is disconnecting.
@retval FALSE The socket is not disconnecting.
**/
#define SOCK_IS_DISCONNECTING(Sock) ((Sock)->State == SO_DISCONNECTING)
/**
Check whether the socket is no more data.
@param[in] Sock Pointer to the socket.
@retval TRUE The socket is no more data.
@retval FALSE The socket still has data.
**/
#define SOCK_IS_NO_MORE_DATA(Sock) (0 != ((Sock)->Flag & SO_NO_MORE_DATA))
/**
Set the size of the receive buffer.
@param[in] Sock Pointer to the socket.
@param[in] Size The size to set.
**/
#define SET_RCV_BUFFSIZE(Sock, Size) ((Sock)->RcvBuffer.HighWater = (Size))
/**
Get the size of the receive buffer.
@param[in] Sock Pointer to the socket.
@return The receive buffer size.
**/
#define GET_RCV_BUFFSIZE(Sock) ((Sock)->RcvBuffer.HighWater)
/**
Get the size of the receive data.
@param[in] Sock Pointer to the socket.
@return The received data size.
**/
#define GET_RCV_DATASIZE(Sock) (((Sock)->RcvBuffer.DataQueue)->BufSize)
/**
Set the size of the send buffer.
@param[in] Sock Pointer to the socket.
@param[in] Size The size to set.
**/
#define SET_SND_BUFFSIZE(Sock, Size) ((Sock)->SndBuffer.HighWater = (Size))
/**
Get the size of the send buffer.
@param[in] Sock Pointer to the socket.
@return The send buffer size.
**/
#define GET_SND_BUFFSIZE(Sock) ((Sock)->SndBuffer.HighWater)
/**
Get the size of the send data.
@param[in] Sock Pointer to the socket.
@return The send data size.
**/
#define GET_SND_DATASIZE(Sock) (((Sock)->SndBuffer.DataQueue)->BufSize)
/**
Set the backlog value of the socket.
@param[in] Sock Pointer to the socket.
@param[in] Value The value to set.
**/
#define SET_BACKLOG(Sock, Value) ((Sock)->BackLog = (Value))
/**
Get the backlog value of the socket.
@param[in] Sock Pointer to the socket.
@return The backlog value.
**/
#define GET_BACKLOG(Sock) ((Sock)->BackLog)
/**
Set the socket with error state.
@param[in] Sock Pointer to the socket.
@param[in] Error The error state.
**/
#define SOCK_ERROR(Sock, Error) ((Sock)->SockError = (Error))
#define SOCK_SIGNATURE SIGNATURE_32 ('S', 'O', 'C', 'K')
#define SOCK_FROM_THIS(a) CR ((a), SOCKET, NetProtocol, SOCK_SIGNATURE)
#define SOCK_FROM_TOKEN(Token) (((SOCK_TOKEN *) (Token))->Sock)
#define PROTO_TOKEN_FORM_SOCK(SockToken, Type) ((Type *) (((SOCK_TOKEN *) (SockToken))->Token))
typedef struct _TCP_SOCKET SOCKET;
///
/// Socket completion token
///
typedef struct _SOCK_COMPLETION_TOKEN {
EFI_EVENT Event; ///< The event to be issued
EFI_STATUS Status; ///< The status to be issued
} SOCK_COMPLETION_TOKEN;
typedef union {
VOID *RxData;
VOID *TxData;
} SOCK_IO_DATA;
///
/// The application token with data packet
///
typedef struct _SOCK_IO_TOKEN {
SOCK_COMPLETION_TOKEN Token;
SOCK_IO_DATA Packet;
} SOCK_IO_TOKEN;
///
/// The socket type.
///
typedef enum {
SockDgram, ///< This socket providing datagram service
SockStream ///< This socket providing stream service
} SOCK_TYPE;
///
/// The buffer structure of rcvd data and send data used by socket.
///
typedef struct _SOCK_BUFFER {
UINT32 HighWater; ///< The buffersize upper limit of sock_buffer
UINT32 LowWater; ///< The low water mark of sock_buffer
NET_BUF_QUEUE *DataQueue; ///< The queue to buffer data
} SOCK_BUFFER;
/**
The handler of protocol for request from socket.
@param[in] Socket The socket issuing the request to protocol.
@param[in] Request The request issued by socket.
@param[in] RequestData The request related data.
@retval EFI_SUCCESS The socket request is completed successfully.
@retval other The error status returned by the corresponding TCP
layer function.
**/
typedef
EFI_STATUS
(*SOCK_PROTO_HANDLER) (
IN SOCKET *Socket,
IN UINT8 Request,
IN VOID *RequestData
);
/**
The Callback funtion called after the TCP socket is created.
@param[in] This Pointer to the socket just created.
@param[in] Context Context of the socket.
@retval EFI_SUCCESS This protocol installed successfully.
@retval other Some error occured.
**/
typedef
EFI_STATUS
(*SOCK_CREATE_CALLBACK) (
IN SOCKET *This,
IN VOID *Context
);
/**
The callback function called before the TCP socket is to be destroyed.
@param[in] This The TCP socket to be destroyed.
@param[in] Context The context.
**/
typedef
VOID
(*SOCK_DESTROY_CALLBACK) (
IN SOCKET *This,
IN VOID *Context
);
///
/// The initialize data for create a new socket.
///
typedef struct _SOCK_INIT_DATA {
SOCK_TYPE Type;
UINT8 State;
SOCKET *Parent; ///< The parent of this socket
UINT32 BackLog; ///< The connection limit for listening socket
UINT32 SndBufferSize; ///< The high water mark of send buffer
UINT32 RcvBufferSize; ///< The high water mark of receive buffer
UINT8 IpVersion;
VOID *Protocol; ///< The pointer to protocol function template
///< wanted to install on socket
//
// Callbacks after socket is created and before socket is to be destroyed.
//
SOCK_CREATE_CALLBACK CreateCallback; ///< Callback after created
SOCK_DESTROY_CALLBACK DestroyCallback; ///< Callback before destroied
VOID *Context; ///< The context of the callback
//
// Opaque protocol data.
//
VOID *ProtoData;
UINT32 DataSize;
SOCK_PROTO_HANDLER ProtoHandler; ///< The handler of protocol for socket request
EFI_HANDLE DriverBinding; ///< The driver binding handle
} SOCK_INIT_DATA;
///
/// The union type of TCP4 and TCP6 protocol.
///
typedef union _NET_PROTOCOL {
EFI_TCP4_PROTOCOL Tcp4Protocol; ///< Tcp4 protocol
EFI_TCP6_PROTOCOL Tcp6Protocol; ///< Tcp6 protocol
} NET_PROTOCOL;
///
/// The socket structure representing a network service access point.
///
struct _TCP_SOCKET {
//
// Socket description information
//
UINT32 Signature; ///< Signature of the socket
EFI_HANDLE SockHandle; ///< The virtual handle of the socket
EFI_HANDLE DriverBinding; ///< Socket's driver binding protocol
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
LIST_ENTRY Link;
UINT8 ConfigureState;
SOCK_TYPE Type;
UINT8 State;
UINT16 Flag;
EFI_LOCK Lock; ///< The lock of socket
SOCK_BUFFER SndBuffer; ///< Send buffer of application's data
SOCK_BUFFER RcvBuffer; ///< Receive buffer of received data
EFI_STATUS SockError; ///< The error returned by low layer protocol
BOOLEAN InDestroy;
//
// Fields used to manage the connection request
//
UINT32 BackLog; ///< the limit of connection to this socket
UINT32 ConnCnt; ///< the current count of connections to it
SOCKET *Parent; ///< listening parent that accept the connection
LIST_ENTRY ConnectionList; ///< the connections maintained by this socket
//
// The queue to buffer application's asynchronous token
//
LIST_ENTRY ListenTokenList;
LIST_ENTRY RcvTokenList;
LIST_ENTRY SndTokenList;
LIST_ENTRY ProcessingSndTokenList;
SOCK_COMPLETION_TOKEN *ConnectionToken; ///< app's token to signal if connected
SOCK_COMPLETION_TOKEN *CloseToken; ///< app's token to signal if closed
//
// Interface for low level protocol
//
SOCK_PROTO_HANDLER ProtoHandler; ///< The request handler of protocol
UINT8 ProtoReserved[PROTO_RESERVED_LEN]; ///< Data fields reserved for protocol
UINT8 IpVersion;
NET_PROTOCOL NetProtocol; ///< TCP4 or TCP6 protocol socket used
//
// Callbacks after socket is created and before socket is to be destroyed.
//
SOCK_CREATE_CALLBACK CreateCallback; ///< Callback after created
SOCK_DESTROY_CALLBACK DestroyCallback; ///< Callback before destroied
VOID *Context; ///< The context of the callback
};
///
/// The token structure buffered in socket layer.
///
typedef struct _SOCK_TOKEN {
LIST_ENTRY TokenList; ///< The entry to add in the token list
SOCK_COMPLETION_TOKEN *Token; ///< The application's token
UINT32 RemainDataLen; ///< Unprocessed data length
SOCKET *Sock; ///< The poninter to the socket this token
///< belongs to
} SOCK_TOKEN;
///
/// Reserved data to access the NET_BUF delivered by TCP driver.
///
typedef struct _TCP_RSV_DATA {
UINT32 UrgLen;
} TCP_RSV_DATA;
//
// Socket provided oprerations for low layer protocol implemented in SockImpl.c
//
/**
Set the state of the socket.
@param[in, out] Sock Pointer to the socket.
@param[in] State The new socket state to be set.
**/
VOID
SockSetState (
IN OUT SOCKET *Sock,
IN UINT8 State
);
/**
Clone a new socket including its associated protocol control block.
@param[in] Sock Pointer to the socket to be cloned.
@return Pointer to the newly cloned socket. If NULL, an error condition occurred.
**/
SOCKET *
SockClone (
IN SOCKET *Sock
);
/**
Called by the low layer protocol to indicate the socket a connection is
established.
This function just changes the socket's state to SO_CONNECTED
and signals the token used for connection establishment.
@param[in, out] Sock Pointer to the socket associated with the
established connection.
**/
VOID
SockConnEstablished (
IN OUT SOCKET *Sock
);
/**
Called by the low layer protocol to indicate that the connection is closed.
This function flushes the socket, sets the state to SO_CLOSED, and signals
the close token.
@param[in, out] Sock Pointer to the socket associated with the closed
connection.
**/
VOID
SockConnClosed (
IN OUT SOCKET *Sock
);
/**
Called by low layer protocol to indicate that some data is sent or processed.
This function trims the sent data in the socket send buffer and signals the data
token, if proper.
@param[in, out] Sock Pointer to the socket.
@param[in] Count The length of the data processed or sent, in bytes.
**/
VOID
SockDataSent (
IN OUT SOCKET *Sock,
IN UINT32 Count
);
/**
Called by the low layer protocol to copy some data in socket send
buffer starting from the specific offset to a buffer provided by
the caller.
@param[in] Sock Pointer to the socket.
@param[in] Offset The start point of the data to be copied.
@param[in] Len The length of the data to be copied.
@param[out] Dest Pointer to the destination to copy the data.
@return The data size copied.
**/
UINT32
SockGetDataToSend (
IN SOCKET *Sock,
IN UINT32 Offset,
IN UINT32 Len,
OUT UINT8 *Dest
);
/**
Called by the low layer protocol to deliver received data to socket layer.
This function appends the data to the socket receive buffer, set the
urgent data length, then checks if any receive token can be signaled.
@param[in, out] Sock Pointer to the socket.
@param[in, out] NetBuffer Pointer to the buffer that contains the received data.
@param[in] UrgLen The length of the urgent data in the received data.
**/
VOID
SockDataRcvd (
IN OUT SOCKET *Sock,
IN OUT NET_BUF *NetBuffer,
IN UINT32 UrgLen
);
/**
Get the length of the free space of the specific socket buffer.
@param[in] Sock Pointer to the socket.
@param[in] Which Flag to indicate which socket buffer to check:
either send buffer or receive buffer.
@return The length of the free space, in bytes.
**/
UINT32
SockGetFreeSpace (
IN SOCKET *Sock,
IN UINT32 Which
);
/**
Called by the low layer protocol to indicate that there will be no more data
from the communication peer.
This function sets the socket's state to SO_NO_MORE_DATA and signals all queued
IO tokens with the error status EFI_CONNECTION_FIN.
@param[in, out] Sock Pointer to the socket.
**/
VOID
SockNoMoreData (
IN OUT SOCKET *Sock
);
//
// Socket provided operations for user interface implemented in SockInterface.c
//
/**
Create a socket and its associated protocol control block
with the intial data SockInitData and protocol specific
data ProtoData.
@param[in] SockInitData Inital data to setting the socket.
@return Pointer to the newly created socket. If NULL, an error condition occured.
**/
SOCKET *
SockCreateChild (
IN SOCK_INIT_DATA *SockInitData
);
/**
Destroy the socket Sock and its associated protocol control block.
@param[in, out] Sock The socket to be destroyed.
@retval EFI_SUCCESS The socket Sock was destroyed successfully.
@retval EFI_ACCESS_DENIED Failed to get the lock to access the socket.
**/
EFI_STATUS
SockDestroyChild (
IN OUT SOCKET *Sock
);
/**
Configure the specific socket Sock using configuration data ConfigData.
@param[in] Sock Pointer to the socket to be configured.
@param[in] ConfigData Pointer to the configuration data.
@retval EFI_SUCCESS The socket configured successfully.
@retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the
socket is already configured.
**/
EFI_STATUS
SockConfigure (
IN SOCKET *Sock,
IN VOID *ConfigData
);
/**
Initiate a connection establishment process.
@param[in] Sock Pointer to the socket to initiate the initate the
connection.
@param[in] Token Pointer to the token used for the connection
operation.
@retval EFI_SUCCESS The connection initialized successfully.
@retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the
socket is closed, or the socket is not configured to
be an active one, or the token is already in one of
this socket's lists.
@retval EFI_NO_MAPPING The IP address configuration operation is not
finished.
@retval EFI_NOT_STARTED The socket is not configured.
**/
EFI_STATUS
SockConnect (
IN SOCKET *Sock,
IN VOID *Token
);
/**
Issue a listen token to get an existed connected network instance,
or wait for a connection if there is none.
@param[in] Sock Pointer to the socket to accept connections.
@param[in] Token The token to accept a connection.
@retval EFI_SUCCESS Either a connection is accepted or the Token is
buffered for further acceptance.
@retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the
socket is closed, or the socket is not configured to
be a passive one, or the token is already in one of
this socket's lists.
@retval EFI_NO_MAPPING The IP address configuration operation is not
finished.
@retval EFI_NOT_STARTED The socket is not configured.
@retval EFI_OUT_OF_RESOURCE Failed to buffer the Token due to memory limit.
**/
EFI_STATUS
SockAccept (
IN SOCKET *Sock,
IN VOID *Token
);
/**
Issue a token with data to the socket to send out.
@param[in] Sock Pointer to the socket to process the token with
data.
@param[in] Token The token with data that needs to send out.
@retval EFI_SUCCESS The token processed successfully.
@retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the
socket is closed, or the socket is not in a
synchronized state , or the token is already in one
of this socket's lists.
@retval EFI_NO_MAPPING The IP address configuration operation is not
finished.
@retval EFI_NOT_STARTED The socket is not configured.
@retval EFI_OUT_OF_RESOURCE Failed to buffer the token due to a memory limit.
**/
EFI_STATUS
SockSend (
IN SOCKET *Sock,
IN VOID *Token
);
/**
Issue a token to get data from the socket.
@param[in] Sock Pointer to the socket to get data from.
@param[in] Token The token to store the received data from the
socket.
@retval EFI_SUCCESS The token processed successfully.
@retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the
socket is closed, or the socket is not in a
synchronized state , or the token is already in one
of this socket's lists.
@retval EFI_NO_MAPPING The IP address configuration operation is not
finished.
@retval EFI_NOT_STARTED The socket is not configured.
@retval EFI_CONNECTION_FIN The connection is closed and there is no more data.
@retval EFI_OUT_OF_RESOURCE Failed to buffer the token due to a memory limit.
**/
EFI_STATUS
SockRcv (
IN SOCKET *Sock,
IN VOID *Token
);
/**
Reset the socket and its associated protocol control block.
@param[in, out] Sock Pointer to the socket to be flushed.
@retval EFI_SUCCESS The socket flushed successfully.
@retval EFI_ACCESS_DENIED Failed to get the lock to access the socket.
**/
EFI_STATUS
SockFlush (
IN OUT SOCKET *Sock
);
/**
Close or abort the socket associated connection.
@param[in, out] Sock Pointer to the socket of the connection to close
or abort.
@param[in] Token The token for close operation.
@param[in] OnAbort TRUE for aborting the connection, FALSE to close it.
@retval EFI_SUCCESS The close or abort operation initialized
successfully.
@retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the
socket is closed, or the socket is not in a
synchronized state , or the token is already in one
of this socket's lists.
@retval EFI_NO_MAPPING The IP address configuration operation is not
finished.
@retval EFI_NOT_STARTED The socket is not configured.
**/
EFI_STATUS
SockClose (
IN OUT SOCKET *Sock,
IN VOID *Token,
IN BOOLEAN OnAbort
);
/**
Abort the socket associated connection, listen, transmission or receive request.
@param[in, out] Sock Pointer to the socket to abort.
@param[in] Token Pointer to a token that has been issued by
Connect(), Accept(), Transmit() or Receive(). If
NULL, all pending tokens issued by the four
functions listed above will be aborted.
@retval EFI_UNSUPPORTED The operation is not supported in the current
implementation.
**/
EFI_STATUS
SockCancel (
IN OUT SOCKET *Sock,
IN VOID *Token
);
/**
Get the mode data of the low layer protocol.
@param[in] Sock Pointer to the socket to get mode data from.
@param[in, out] Mode Pointer to the data to store the low layer mode
information.
@retval EFI_SUCCESS The mode data was obtained successfully.
@retval EFI_NOT_STARTED The socket is not configured.
**/
EFI_STATUS
SockGetMode (
IN SOCKET *Sock,
IN OUT VOID *Mode
);
/**
Add or remove route information in IP route table associated
with this socket.
@param[in] Sock Pointer to the socket associated with the IP route
table to operate on.
@param[in] RouteInfo Pointer to the route information to be processed.
@retval EFI_SUCCESS The route table updated successfully.
@retval EFI_ACCESS_DENIED Failed to get the lock to access the socket.
@retval EFI_NO_MAPPING The IP address configuration operation is not
finished.
@retval EFI_NOT_STARTED The socket is not configured.
**/
EFI_STATUS
SockRoute (
IN SOCKET *Sock,
IN VOID *RouteInfo
);
#endif
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