C++ (Cpp) RTUSB_URB_DMA_MAPPING 예제들

예제 #1

파일: rtusb_bulk.c 프로젝트: 83GTIGuy/openwrtSDN

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

	Arguments:

	Return Value:

	Note: MLME use BulkOutPipeId = 0
	
	========================================================================
*/
VOID	RTUSBBulkOutMLMEPacket(
	IN	PRTMP_ADAPTER	pAd,
	IN	UCHAR			Index)
{
	PTX_CONTEXT		pMLMEContext;
	PURB			pUrb;
	int				ret = 0;
	unsigned long	IrqFlags;
		
	pMLMEContext = (PTX_CONTEXT)pAd->MgmtRing.Cell[pAd->MgmtRing.TxDmaIdx].AllocVa;
	pUrb = pMLMEContext->pUrb;

	if ((pAd->MgmtRing.TxSwFreeIdx >= MGMT_RING_SIZE) ||
		(pMLMEContext->InUse == FALSE) ||
		(pMLMEContext->bWaitingBulkOut == FALSE))
	{
		
		
		/* Clear MLME bulk flag*/
		RTUSB_CLEAR_BULK_FLAG(pAd, fRTUSB_BULK_OUT_MLME);
		
		return;
	}


	RTMP_IRQ_LOCK(&pAd->BulkOutLock[MGMTPIPEIDX], IrqFlags);
	if ((pAd->BulkOutPending[MGMTPIPEIDX] == TRUE) || RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NEED_STOP_TX))
	{
		RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[MGMTPIPEIDX], IrqFlags);
		return;
	}

	pAd->BulkOutPending[MGMTPIPEIDX] = TRUE;
	pAd->watchDogTxPendingCnt[MGMTPIPEIDX] = 1;
	pMLMEContext->IRPPending = TRUE;
	pMLMEContext->bWaitingBulkOut = FALSE;
	RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[MGMTPIPEIDX], IrqFlags);
	
	/* Increase Total transmit byte counter*/
	pAd->RalinkCounters.TransmittedByteCount +=  pMLMEContext->BulkOutSize;

	/* Clear MLME bulk flag*/
	RTUSB_CLEAR_BULK_FLAG(pAd, fRTUSB_BULK_OUT_MLME);

#ifdef RT_BIG_ENDIAN
	RTMPDescriptorEndianChange((PUCHAR)pMLMEContext->TransferBuffer, TYPE_TXINFO);
#endif /* RT_BIG_ENDIAN */

	/* Init Tx context descriptor*/
	RTUSBInitTxDesc(pAd, pMLMEContext, MGMTPIPEIDX, (usb_complete_t)RtmpUsbBulkOutMLMEPacketComplete);

	RTUSB_URB_DMA_MAPPING(pUrb);

	pUrb = pMLMEContext->pUrb;
	if((ret = RTUSB_SUBMIT_URB(pUrb))!=0)
	{
		DBGPRINT(RT_DEBUG_ERROR, ("RTUSBBulkOutMLMEPacket: Submit MLME URB failed %d\n", ret));
		RTMP_IRQ_LOCK(&pAd->BulkOutLock[MGMTPIPEIDX], IrqFlags);
		pAd->BulkOutPending[MGMTPIPEIDX] = FALSE;
		pAd->watchDogTxPendingCnt[MGMTPIPEIDX] = 0;
		pMLMEContext->IRPPending = FALSE;
		pMLMEContext->bWaitingBulkOut = TRUE;
		RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[MGMTPIPEIDX], IrqFlags);
		
		return;
	}
}

예제 #2

파일: rt_usb_util.c 프로젝트: J1nx-Hackable-Gadgets/mx-common

VOID RtmpOsUsbDmaMapping(
	IN	VOID			*pUrb)
{
	RTUSB_URB_DMA_MAPPING(((purbb_t)pUrb));
}