StdLib/EfiSocketLib/UseEfiSocketLib.c

4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/** @file
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Implement the connection to the EFI socket library
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Copyright (c) 2011, Intel Corporation
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  All rights reserved. This program and the accompanying materials
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  are licensed and made available under the terms and conditions of the BSD License
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  which accompanies this distribution.  The full text of the license may be found at
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  http://opensource.org/licenses/bsd-license.php
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include "Socket.h"
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  The following GUID values are only used when an application links
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  against EfiSocketLib.  An alternative set of values exists in
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  SocketDxe\EntryUnload.c which the SocketDxe driver uses to coexist
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  with socket applications.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Tag GUID - IPv4 in use by an application using EfiSocketLib
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncCONST EFI_GUID mEslIp4ServiceGuid = {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  0x9c756011, 0x5d44, 0x4ee0, { 0xbc, 0xe7, 0xc3, 0x82, 0x18, 0xfe, 0x39, 0x8d }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Tag GUID - TCPv4 in use by an application using EfiSocketLib
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncCONST EFI_GUID mEslTcp4ServiceGuid = {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  0xffc659c2, 0x4ef2, 0x4532, { 0xb8, 0x75, 0xcd, 0x9a, 0xa4, 0x27, 0x4c, 0xde }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Tag GUID - UDPv4 in use by an application using EfiSocketLib
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncCONST EFI_GUID mEslUdp4ServiceGuid = {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  0x44e03a55, 0x8d97, 0x4511, { 0xbf, 0xef, 0xa, 0x8b, 0xc6, 0x2c, 0x25, 0xae }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Connect to the EFI socket library
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  This routine creates the ::ESL_SOCKET structure and returns
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  the API (::EFI_SOCKET_PROTOCOL address) to the socket file
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  system layer in BsdSocketLib.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  This routine is called from the ::socket routine in BsdSocketLib
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  to create the data structure and initialize the API for a socket.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Note that this implementation is only used by socket applications
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  that link directly to EslSocketLib.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  @param [in] ppSocketProtocol  Address to receive the ::EFI_SOCKET_PROTOCOL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                                structure address
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  @return       Value for ::errno, zero (0) indicates success.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync **/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEslServiceGetProtocol (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  IN EFI_SOCKET_PROTOCOL ** ppSocketProtocol
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  EFI_HANDLE ChildHandle;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  ESL_SOCKET * pSocket;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  int RetVal;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  EFI_STATUS Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  DBG_ENTER ( );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //  Assume success
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  RetVal = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //  Locate the socket protocol
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  ChildHandle = NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Status = EslSocketAllocate ( &ChildHandle,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                               DEBUG_SOCKET,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                               &pSocket );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  if ( !EFI_ERROR ( Status )) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    *ppSocketProtocol = &pSocket->SocketProtocol;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  else {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //  No resources
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    RetVal = ENOMEM;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //  Return the operation status
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  DBG_EXIT_DEC ( RetVal );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  return RetVal;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Connect to the network layer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  This routine is the constructor for the EfiSocketLib when the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  library is linked directly to an application.  This routine
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  walks the ::cEslSocketBinding table to create ::ESL_SERVICE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  structures, associated with the network adapters, which this
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  routine links to the ::ESL_LAYER structure.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  This routine is called from ::EslConstructor as a result of the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  constructor redirection in ::mpfnEslConstructor at the end of this
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  file.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  @retval EFI_SUCCESS   Successfully connected to the network layer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync **/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEslServiceNetworkConnect (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  VOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  BOOLEAN bSomethingFound;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  UINTN HandleCount;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  UINTN Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  CONST ESL_SOCKET_BINDING * pEnd;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  EFI_HANDLE * pHandles;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  CONST ESL_SOCKET_BINDING * pSocketBinding;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  EFI_STATUS Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  DBG_ENTER ( );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //  Initialize the socket layer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Status = EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  bSomethingFound = FALSE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  EslServiceLoad ( gImageHandle );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //  Connect the network devices
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  pSocketBinding = &cEslSocketBinding[0];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  pEnd = &pSocketBinding[ cEslSocketBindingEntries ];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  while ( pEnd > pSocketBinding ) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //  Attempt to locate the network adapters
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    HandleCount = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    pHandles = NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    Status = gBS->LocateHandleBuffer ( ByProtocol,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                                       pSocketBinding->pNetworkBinding,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                                       NULL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                                       &HandleCount,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                                       &pHandles );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    if ( EFI_ERROR ( Status )) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      DEBUG (( DEBUG_ERROR,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync               "ERROR with %s layer, Status: %r\r\n",
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync               pSocketBinding->pName,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync               Status ));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    else {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      if ( NULL != pHandles ) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        //  Attempt to connect to this network adapter
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        for ( Index = 0; HandleCount > Index; Index++ ) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync          Status = EslServiceConnect ( gImageHandle,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                                       pHandles[ Index ]);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync          if ( EFI_ERROR ( Status )) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync            break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync          }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync          bSomethingFound = TRUE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        //  Done with the handles
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        gBS->FreePool ( pHandles );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //  Set the next network protocol
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    pSocketBinding += 1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //  Return the network connection status
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  if ( bSomethingFound ) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    Status = EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  DBG_EXIT_STATUS ( Status );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  return Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Disconnect from the network layer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Destructor for the EfiSocketLib when the library is linked
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  directly to an application.  This routine walks the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  ::cEslSocketBinding table to remove the ::ESL_SERVICE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  structures (network connections) from the ::ESL_LAYER structure.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  This routine is called from ::EslDestructor as a result of the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  destructor redirection in ::mpfnEslDestructor at the end of this
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  file.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  @retval EFI_SUCCESS   Successfully disconnected from the network layer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync **/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEslServiceNetworkDisconnect (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  VOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  UINTN HandleCount;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  UINTN Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  CONST ESL_SOCKET_BINDING * pEnd;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  EFI_HANDLE * pHandles;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  CONST ESL_SOCKET_BINDING * pSocketBinding;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  EFI_STATUS Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  DBG_ENTER ( );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //  Assume success
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Status = EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //  Disconnect the network devices
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  pSocketBinding = &cEslSocketBinding[0];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  pEnd = &pSocketBinding[ cEslSocketBindingEntries ];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  while ( pEnd > pSocketBinding ) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //  Attempt to locate the network adapters
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    HandleCount = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    pHandles = NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    Status = gBS->LocateHandleBuffer ( ByProtocol,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                                       pSocketBinding->pNetworkBinding,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                                       NULL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                                       &HandleCount,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                                       &pHandles );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    if ( EFI_ERROR ( Status )) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    if ( NULL != pHandles ) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      //  Attempt to disconnect from this network adapter
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      for ( Index = 0; HandleCount > Index; Index++ ) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        Status = EslServiceDisconnect ( gImageHandle,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                                        pHandles[ Index ]);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        if ( EFI_ERROR ( Status )) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync          break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      //  Done with the handles
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      gBS->FreePool ( pHandles );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //  Set the next network protocol
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    pSocketBinding += 1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //  Finish the disconnect operation
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  if ( !EFI_ERROR ( Status )) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    EslServiceUnload ( );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //  Return the network connection status
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  DBG_EXIT_STATUS ( Status );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  return Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Socket layer's service binding protocol delcaration.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncCONST EFI_SERVICE_BINDING_PROTOCOL mEfiServiceBinding = {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  NULL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  NULL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  The following entries redirect the constructor and destructor
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  for any socket application that links against the EfiSocketLib.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Note that the SocketDxe driver uses different redirection.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncPFN_ESL_xSTRUCTOR mpfnEslConstructor = EslServiceNetworkConnect;    ///<  Constructor for EfiSocketLib
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncPFN_ESL_xSTRUCTOR mpfnEslDestructor = EslServiceNetworkDisconnect;  ///<  Destructor for EfiSocketLib