NTSTATUS
MPSetPowerD0Private (
__in PFDO_DATA FdoData
)
{
PUCHAR pPMDR;
NTSTATUS status;
DebugPrint(TRACE, DBG_POWER, "-->MPSetPowerD0Private\n");
do
{
// Dump the packet if necessary
//Cause of Wake Up
pPMDR = HwReadPowerPMDR(FdoData);
status = NICInitializeAdapter(FdoData);
// Clear the PMDR
MP_CLEAR_PMDR(pPMDR);
NICIssueSelectiveReset(FdoData);
} while (FALSE);
DebugPrint(TRACE, DBG_POWER, "<--MPSetPowerD0Private\n");
return status;
}
NTSTATUS
MPSetPowerD0Private (
IN PFDO_DATA FdoData
)
{
PUCHAR pPMDR;
NTSTATUS status;
TraceEvents(TRACE_LEVEL_VERBOSE, DBG_POWER, "-->MPSetPowerD0Private\n");
// Dump the packet if necessary
//Cause of Wake Up
pPMDR = HwReadPowerPMDR(FdoData);
status = NICInitializeAdapter(FdoData);
// Clear the PMDR
MP_CLEAR_PMDR(pPMDR);
NICIssueSelectiveReset(FdoData);
TraceEvents(TRACE_LEVEL_VERBOSE, DBG_POWER, "<--MPSetPowerD0Private\n");
return status;
}
NTSTATUS
NICReset(
IN PFDO_DATA FdoData
)
/*++
Routine Description:
Function to reset the device.
Arguments:
FdoData Pointer to our adapter
Return Value:
NT Status code.
Note:
NICReset is called at DPC. Take advantage of this fact
when acquiring or releasing spinlocks
--*/
{
NTSTATUS status;
TraceEvents(TRACE_LEVEL_VERBOSE, DBG_DPC, "---> MPReset\n");
WdfSpinLockAcquire(FdoData->Lock);
WdfSpinLockAcquire(FdoData->SendLock);
WdfSpinLockAcquire(FdoData->RcvLock);
do
{
//
// Is this adapter already doing a reset?
//
if (MP_TEST_FLAG(FdoData, fMP_ADAPTER_RESET_IN_PROGRESS))
{
status = STATUS_SUCCESS;
goto exit;
}
MP_SET_FLAG(FdoData, fMP_ADAPTER_RESET_IN_PROGRESS);
//
// Is this adapter doing link detection?
//
if (MP_TEST_FLAG(FdoData, fMP_ADAPTER_LINK_DETECTION))
{
TraceEvents(TRACE_LEVEL_WARNING, DBG_DPC, "Reset is pended...\n");
status = STATUS_SUCCESS;
goto exit;
}
//
// Is this adapter going to be removed
//
if (MP_TEST_FLAG(FdoData, fMP_ADAPTER_NON_RECOVER_ERROR))
{
status = STATUS_DEVICE_DATA_ERROR;
if (MP_TEST_FLAG(FdoData, fMP_ADAPTER_REMOVE_IN_PROGRESS))
{
goto exit;
}
// This is an unrecoverable hardware failure.
// We need to tell NDIS to remove this miniport
MP_SET_FLAG(FdoData, fMP_ADAPTER_REMOVE_IN_PROGRESS);
MP_CLEAR_FLAG(FdoData, fMP_ADAPTER_RESET_IN_PROGRESS);
WdfSpinLockRelease(FdoData->RcvLock);
WdfSpinLockRelease(FdoData->SendLock);
WdfSpinLockRelease(FdoData->Lock);
// TODO: Log an entry into the eventlog
WdfDeviceSetFailed(FdoData->WdfDevice, WdfDeviceFailedAttemptRestart);
TraceEvents(TRACE_LEVEL_FATAL, DBG_DPC, "<--- MPReset, status=%x\n", status);
return status;
}
//
// Disable the interrupt and issue a reset to the NIC
//
NICDisableInterrupt(FdoData);
NICIssueSelectiveReset(FdoData);
//
// Release all the locks and then acquire back the send lock
// we are going to clean up the send queues
// which may involve calling Ndis APIs
// release all the locks before grabbing the send lock to
// avoid deadlocks
//
WdfSpinLockRelease(FdoData->RcvLock);
WdfSpinLockRelease(FdoData->SendLock);
WdfSpinLockRelease(FdoData->Lock);
WdfSpinLockAcquire(FdoData->SendLock);
//
// Free the packets on SendQueueList
//
NICFreeQueuedSendPackets(FdoData);
//
// Free the packets being actively sent & stopped
//
NICFreeBusySendPackets(FdoData);
RtlZeroMemory(FdoData->MpTcbMem, FdoData->MpTcbMemSize);
//
// Re-initialize the send structures
//
NICInitSendBuffers(FdoData);
WdfSpinLockRelease(FdoData->SendLock);
//
// get all the locks again in the right order
//
WdfSpinLockAcquire(FdoData->Lock);
WdfSpinLockAcquire(FdoData->SendLock);
WdfSpinLockAcquire(FdoData->RcvLock);
//
// Reset the RFD list and re-start RU
//
NICResetRecv(FdoData);
status = NICStartRecv(FdoData);
if (status != STATUS_SUCCESS)
{
// Are we having failures in a few consecutive resets?
if (FdoData->HwErrCount < NIC_HARDWARE_ERROR_THRESHOLD)
{
// It's not over the threshold yet, let it to continue
FdoData->HwErrCount++;
}
else
{
// This is an unrecoverable hardware failure.
// We need to tell NDIS to remove this miniport
MP_SET_FLAG(FdoData, fMP_ADAPTER_REMOVE_IN_PROGRESS);
MP_CLEAR_FLAG(FdoData, fMP_ADAPTER_RESET_IN_PROGRESS);
WdfSpinLockRelease(FdoData->RcvLock);
WdfSpinLockRelease(FdoData->SendLock);
WdfSpinLockRelease(FdoData->Lock);
// TODO: Log an entry into the eventlog
//
// Tell the system that the device has failed.
//
WdfDeviceSetFailed(FdoData->WdfDevice, WdfDeviceFailedAttemptRestart);
TraceEvents(TRACE_LEVEL_ERROR, DBG_DPC, "<--- MPReset, status=%x\n", status);
return(status);
}
break;
}
FdoData->HwErrCount = 0;
MP_CLEAR_FLAG(FdoData, fMP_ADAPTER_HARDWARE_ERROR);
NICEnableInterrupt(FdoData->WdfInterrupt, FdoData);
} WHILE (FALSE);
MP_CLEAR_FLAG(FdoData, fMP_ADAPTER_RESET_IN_PROGRESS);
exit:
WdfSpinLockRelease(FdoData->RcvLock);
WdfSpinLockRelease(FdoData->SendLock);
WdfSpinLockRelease(FdoData->Lock);
TraceEvents(TRACE_LEVEL_VERBOSE, DBG_DPC, "<--- MPReset, status=%x\n", status);
return(status);
}
