C++ (Cpp) RTCMDUp Examples

Example #1

File: rtusb_io.c Project: vanhoefm/rt2870linux

/*
	========================================================================
	
	Routine Description:

	Arguments:

	Return Value:
	
	IRQL = 
	
	Note:
	
	========================================================================
*/
NDIS_STATUS	RTUSBEnqueueCmdFromNdis(
	IN	PRTMP_ADAPTER	pAd,
	IN	NDIS_OID		Oid,
	IN	BOOLEAN			SetInformation,
	IN	PVOID			pInformationBuffer,
	IN	UINT32			InformationBufferLength)
{
	NDIS_STATUS	status;
	PCmdQElmt	cmdqelmt = NULL;
	RTMP_OS_TASK	*pTask = &pAd->cmdQTask;
	
#ifdef KTHREAD_SUPPORT
	if (pTask->kthread_task == NULL)
#else
	CHECK_PID_LEGALITY(pTask->taskPID) 
		;
	else
#endif
		return (NDIS_STATUS_RESOURCES);

	status = os_alloc_mem(pAd, (PUCHAR *)(&cmdqelmt), sizeof(CmdQElmt));
	if ((status != NDIS_STATUS_SUCCESS) || (cmdqelmt == NULL))
		return (NDIS_STATUS_RESOURCES);

		cmdqelmt->buffer = NULL;
		if (pInformationBuffer != NULL)
		{	
			status = os_alloc_mem(pAd, (PUCHAR *)&cmdqelmt->buffer, InformationBufferLength);
			if ((status != NDIS_STATUS_SUCCESS) || (cmdqelmt->buffer == NULL))
			{       
				kfree(cmdqelmt);
				return (NDIS_STATUS_RESOURCES);
			}
			else
			{
				NdisMoveMemory(cmdqelmt->buffer, pInformationBuffer, InformationBufferLength);
				cmdqelmt->bufferlength = InformationBufferLength;
			}
		}
		else
			cmdqelmt->bufferlength = 0;
	
	cmdqelmt->command = Oid;
	cmdqelmt->CmdFromNdis = TRUE;
	if (SetInformation == TRUE)
		cmdqelmt->SetOperation = TRUE;
	else
		cmdqelmt->SetOperation = FALSE;

	NdisAcquireSpinLock(&pAd->CmdQLock);
	if (pAd->CmdQ.CmdQState & RTMP_TASK_CAN_DO_INSERT)
	{
		EnqueueCmd((&pAd->CmdQ), cmdqelmt);
		status = NDIS_STATUS_SUCCESS;
	}
	else
	{
		status = NDIS_STATUS_FAILURE;
	}
	NdisReleaseSpinLock(&pAd->CmdQLock);
	
	if (status == NDIS_STATUS_FAILURE)
	{
		if (cmdqelmt->buffer)
			os_free_mem(pAd, cmdqelmt->buffer);
		os_free_mem(pAd, cmdqelmt);
	}
	else
	RTCMDUp(pAd);


    return(NDIS_STATUS_SUCCESS);
}

Example #2

File: cmm_cmd.c Project: celeduc/rt3572sta

/*
	========================================================================
	
	Routine Description:

	Arguments:

	Return Value:

	IRQL = 
	
	Note:
	
	========================================================================
*/
NDIS_STATUS RTEnqueueInternalCmd(
	IN PRTMP_ADAPTER	pAd,
	IN NDIS_OID			Oid,
	IN PVOID			pInformationBuffer,
	IN UINT32			InformationBufferLength)	
{
	NDIS_STATUS	status;
	PCmdQElmt	cmdqelmt = NULL;
	

	status = os_alloc_mem(pAd, (PUCHAR *)&cmdqelmt, sizeof(CmdQElmt));
	if ((status != NDIS_STATUS_SUCCESS) || (cmdqelmt == NULL))
		return (NDIS_STATUS_RESOURCES);
	NdisZeroMemory(cmdqelmt, sizeof(CmdQElmt));

	if(InformationBufferLength > 0)
	{
		status = os_alloc_mem(pAd, (PUCHAR *)&cmdqelmt->buffer, InformationBufferLength);
		if ((status != NDIS_STATUS_SUCCESS) || (cmdqelmt->buffer == NULL))
		{
			os_free_mem(pAd, cmdqelmt);
			return (NDIS_STATUS_RESOURCES);
		}
		else
		{
			NdisMoveMemory(cmdqelmt->buffer, pInformationBuffer, InformationBufferLength);
			cmdqelmt->bufferlength = InformationBufferLength;
		}
	}
	else
	{
		cmdqelmt->buffer = NULL;
		cmdqelmt->bufferlength = 0;
	}

	cmdqelmt->command = Oid;
	cmdqelmt->CmdFromNdis = FALSE;

	if (cmdqelmt != NULL)
	{
		NdisAcquireSpinLock(&pAd->CmdQLock);
		if (pAd->CmdQ.CmdQState & RTMP_TASK_CAN_DO_INSERT)
		{
			EnqueueCmd((&pAd->CmdQ), cmdqelmt);
			status = NDIS_STATUS_SUCCESS;
		}
		else
		{
			status = NDIS_STATUS_FAILURE;
		}
		NdisReleaseSpinLock(&pAd->CmdQLock);

		if (status == NDIS_STATUS_FAILURE)
		{
			if (cmdqelmt->buffer)
				os_free_mem(pAd, cmdqelmt->buffer);
			os_free_mem(pAd, cmdqelmt);
		}
		else
			RTCMDUp(&pAd->cmdQTask);
	}
	return(NDIS_STATUS_SUCCESS);
}