C++ (Cpp) TcpSetVariableData Examples

Example #1

File: Tcp4Dispatcher.c Project: AshleyDeSimone/edk2

/**
  Flush the Tcb add its associated protocols.

  @param  Tcb                    Pointer to the TCP_CB to be flushed.

**/
VOID
Tcp4FlushPcb (
  IN TCP_CB *Tcb
  )
{
  SOCKET           *Sock;
  TCP4_PROTO_DATA  *TcpProto;

  IpIoConfigIp (Tcb->IpInfo, NULL);

  Sock     = Tcb->Sk;
  TcpProto = (TCP4_PROTO_DATA *) Sock->ProtoReserved;

  if (SOCK_IS_CONFIGURED (Sock)) {
    RemoveEntryList (&Tcb->List);

    //
    // Uninstall the device path protocol.
    //
    if (Sock->DevicePath != NULL) {
      gBS->UninstallProtocolInterface (
             Sock->SockHandle,
             &gEfiDevicePathProtocolGuid,
             Sock->DevicePath
             );
      FreePool (Sock->DevicePath);
    }

    TcpSetVariableData (TcpProto->TcpService);
  }

  NetbufFreeList (&Tcb->SndQue);
  NetbufFreeList (&Tcb->RcvQue);
  Tcb->State = TCP_CLOSED;
}

Example #2

File: TcpDriver.c Project: RafaelRMachado/MinnowBoard

/**
  Create a new TCP4 or TCP6 driver service binding protocol

  @param[in]  Controller         Controller handle of device to bind driver to.
  @param[in]  Image              The TCP driver's image handle.
  @param[in]  IpVersion          IP_VERSION_4 or IP_VERSION_6.

  @retval EFI_OUT_OF_RESOURCES   Failed to allocate some resources.
  @retval EFI_SUCCESS            A new IP6 service binding private was created.

**/
EFI_STATUS
TcpCreateService (
  IN EFI_HANDLE  Controller,
  IN EFI_HANDLE  Image,
  IN UINT8       IpVersion
  )
{
  EFI_STATUS         Status;
  EFI_GUID           *IpServiceBindingGuid;
  EFI_GUID           *TcpServiceBindingGuid;
  TCP_SERVICE_DATA   *TcpServiceData;
  IP_IO_OPEN_DATA    OpenData;

  if (IpVersion == IP_VERSION_4) {
    IpServiceBindingGuid  = &gEfiIp4ServiceBindingProtocolGuid;
    TcpServiceBindingGuid = &gEfiTcp4ServiceBindingProtocolGuid;
  } else {
    IpServiceBindingGuid  = &gEfiIp6ServiceBindingProtocolGuid;
    TcpServiceBindingGuid = &gEfiTcp6ServiceBindingProtocolGuid;
  }

  Status = gBS->OpenProtocol (
                  Controller,
                  TcpServiceBindingGuid,
                  NULL,
                  Image,
                  Controller,
                  EFI_OPEN_PROTOCOL_TEST_PROTOCOL
                  );
  if (!EFI_ERROR (Status)) {
    return EFI_ALREADY_STARTED;
  }

  Status = gBS->OpenProtocol (
                  Controller,
                  IpServiceBindingGuid,
                  NULL,
                  Image,
                  Controller,
                  EFI_OPEN_PROTOCOL_TEST_PROTOCOL
                  );
  if (EFI_ERROR (Status)) {
    return EFI_UNSUPPORTED;
  }

  //
  // Create the TCP service data.
  //
  TcpServiceData = AllocateZeroPool (sizeof (TCP_SERVICE_DATA));
  if (TcpServiceData == NULL) {
    return EFI_OUT_OF_RESOURCES;
  }

  TcpServiceData->Signature            = TCP_DRIVER_SIGNATURE;
  TcpServiceData->ControllerHandle     = Controller;
  TcpServiceData->DriverBindingHandle  = Image;
  TcpServiceData->IpVersion            = IpVersion;
  CopyMem (
    &TcpServiceData->ServiceBinding,
    &gTcpServiceBinding,
    sizeof (EFI_SERVICE_BINDING_PROTOCOL)
    );

  TcpServiceData->IpIo = IpIoCreate (Image, Controller, IpVersion);
  if (TcpServiceData->IpIo == NULL) {
    Status = EFI_OUT_OF_RESOURCES;
    goto ON_ERROR;
  }


  InitializeListHead (&TcpServiceData->SocketList);
  ZeroMem (&OpenData, sizeof (IP_IO_OPEN_DATA));

  if (IpVersion == IP_VERSION_4) {
    CopyMem (
      &OpenData.IpConfigData.Ip4CfgData,
      &mIp4IoDefaultIpConfigData,
      sizeof (EFI_IP4_CONFIG_DATA)
      );
    OpenData.IpConfigData.Ip4CfgData.DefaultProtocol = EFI_IP_PROTO_TCP;
  } else {
    CopyMem (
      &OpenData.IpConfigData.Ip6CfgData,
      &mIp6IoDefaultIpConfigData,
      sizeof (EFI_IP6_CONFIG_DATA)
      );
    OpenData.IpConfigData.Ip6CfgData.DefaultProtocol = EFI_IP_PROTO_TCP;
  }

  OpenData.PktRcvdNotify  = TcpRxCallback;
  Status                  = IpIoOpen (TcpServiceData->IpIo, &OpenData);
  if (EFI_ERROR (Status)) {
    goto ON_ERROR;
  }

  Status = TcpCreateTimer ();
  if (EFI_ERROR (Status)) {
    goto ON_ERROR;
  }

  Status = gBS->InstallMultipleProtocolInterfaces (
                  &Controller,
                  TcpServiceBindingGuid,
                  &TcpServiceData->ServiceBinding,
                  NULL
                  );
  if (EFI_ERROR (Status)) {
    TcpDestroyTimer ();

    goto ON_ERROR;
  }

  TcpSetVariableData (TcpServiceData);

  return EFI_SUCCESS;

ON_ERROR:

  if (TcpServiceData->IpIo != NULL) {
    IpIoDestroy (TcpServiceData->IpIo);
    TcpServiceData->IpIo = NULL;
  }

  FreePool (TcpServiceData);

  return Status;
}