/*
========================================================================
Routine Description:
Get the data length from the URB.
Arguments:
pUrb - USB URB
Return Value:
the data length
Note:
========================================================================
*/
ULONG RtmpOsUsbUrbLenGet(
IN VOID *pUrb)
{
return RTMP_USB_URB_LEN_GET(pUrb);
}
/*
========================================================================
Routine Description:
Handle received packets.
Arguments:
data - URB information pointer
Return Value:
None
Note:
========================================================================
*/
static void rx_done_tasklet(unsigned long data)
{
purbb_t pUrb;
PRX_CONTEXT pRxContext;
PRTMP_ADAPTER pAd;
NTSTATUS Status;
unsigned int IrqFlags;
pUrb = (purbb_t)data;
/* pRxContext = (PRX_CONTEXT)pUrb->context; */
pRxContext = (PRX_CONTEXT)RTMP_USB_URB_DATA_GET(pUrb);
Status = RTMP_USB_URB_STATUS_GET(pUrb);
pAd = pRxContext->pAd;
/* Status = pUrb->status; */
RTMP_IRQ_LOCK(&pAd->BulkInLock, IrqFlags);
pRxContext->InUse = FALSE;
pRxContext->IRPPending = FALSE;
pRxContext->BulkInOffset += RTMP_USB_URB_LEN_GET(pUrb); /*pUrb->actual_length; */
/*NdisInterlockedDecrement(&pAd->PendingRx); */
pAd->PendingRx--;
if (Status == USB_ST_NOERROR)
{
pAd->BulkInComplete++;
pAd->NextRxBulkInPosition = 0;
if (pRxContext->BulkInOffset) /* As jan's comment, it may bulk-in success but size is zero. */
{
pRxContext->Readable = TRUE;
INC_RING_INDEX(pAd->NextRxBulkInIndex, RX_RING_SIZE);
}
RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
}
else /* STATUS_OTHER */
{
pAd->BulkInCompleteFail++;
/* Still read this packet although it may comtain wrong bytes. */
pRxContext->Readable = FALSE;
RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
/* Parsing all packets. because after reset, the index will reset to all zero. */
if ((!RTMP_TEST_FLAG(pAd, (fRTMP_ADAPTER_RESET_IN_PROGRESS |
fRTMP_ADAPTER_BULKIN_RESET |
fRTMP_ADAPTER_HALT_IN_PROGRESS |
fRTMP_ADAPTER_NIC_NOT_EXIST))))
{
DBGPRINT_RAW(RT_DEBUG_ERROR, ("Bulk In Failed. Status=%d, BIIdx=0x%x, BIRIdx=0x%x, actual_length= 0x%x\n",
Status, pAd->NextRxBulkInIndex, pAd->NextRxBulkInReadIndex, RTMP_USB_URB_LEN_GET(pRxContext->pUrb))); /*->actual_length)); */
RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_BULKIN_RESET);
RTEnqueueInternalCmd(pAd, CMDTHREAD_RESET_BULK_IN, NULL, 0);
}
}
ASSERT((pRxContext->InUse == pRxContext->IRPPending));
RTUSBBulkReceive(pAd);
return;
}
