mirror of
https://github.com/reactos/reactos.git
synced 2024-10-05 00:43:21 +00:00
ebad64bcfe
Implement some interrupt recognition CORE-14675
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*
|
|
* PROJECT: ReactOS Intel PRO/1000 Driver
|
|
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
|
|
* PURPOSE: Interrupt handlers
|
|
* COPYRIGHT: Copyright 2013 Cameron Gutman (cameron.gutman@reactos.org)
|
|
* Copyright 2018 Mark Jansen (mark.jansen@reactos.org)
|
|
*/
|
|
|
|
#include "nic.h"
|
|
|
|
#include <debug.h>
|
|
|
|
VOID
|
|
NTAPI
|
|
MiniportISR(
|
|
OUT PBOOLEAN InterruptRecognized,
|
|
OUT PBOOLEAN QueueMiniportHandleInterrupt,
|
|
IN NDIS_HANDLE MiniportAdapterContext)
|
|
{
|
|
ULONG Value;
|
|
PE1000_ADAPTER Adapter = (PE1000_ADAPTER)MiniportAdapterContext;
|
|
|
|
Value = NICInterruptRecognized(Adapter, InterruptRecognized);
|
|
InterlockedOr(&Adapter->InterruptPending, Value);
|
|
|
|
if (!(*InterruptRecognized))
|
|
{
|
|
/* This is not ours. */
|
|
*QueueMiniportHandleInterrupt = FALSE;
|
|
return;
|
|
}
|
|
|
|
/* Mark the events pending service */
|
|
*QueueMiniportHandleInterrupt = TRUE;
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
MiniportHandleInterrupt(
|
|
IN NDIS_HANDLE MiniportAdapterContext)
|
|
{
|
|
ULONG Value;
|
|
PE1000_ADAPTER Adapter = (PE1000_ADAPTER)MiniportAdapterContext;
|
|
volatile PE1000_TRANSMIT_DESCRIPTOR TransmitDescriptor;
|
|
|
|
NDIS_DbgPrint(MAX_TRACE, ("Called.\n"));
|
|
|
|
Value = InterlockedExchange(&Adapter->InterruptPending, 0);
|
|
|
|
NdisDprAcquireSpinLock(&Adapter->Lock);
|
|
|
|
if (Value & E1000_IMS_LSC)
|
|
{
|
|
ULONG Status;
|
|
NdisDprReleaseSpinLock(&Adapter->Lock);
|
|
Value &= ~E1000_IMS_LSC;
|
|
NDIS_DbgPrint(MIN_TRACE, ("Link status changed!.\n"));
|
|
|
|
NICUpdateLinkStatus(Adapter);
|
|
|
|
Status = Adapter->MediaState == NdisMediaStateConnected ? NDIS_STATUS_MEDIA_CONNECT : NDIS_STATUS_MEDIA_DISCONNECT;
|
|
NdisMIndicateStatus(Adapter->AdapterHandle, Status, NULL, 0);
|
|
NdisMIndicateStatusComplete(Adapter->AdapterHandle);
|
|
|
|
NdisDprAcquireSpinLock(&Adapter->Lock);
|
|
}
|
|
|
|
if (Value & E1000_IMS_TXDW)
|
|
{
|
|
while (Adapter->TxFull || Adapter->LastTxDesc != Adapter->CurrentTxDesc)
|
|
{
|
|
TransmitDescriptor = Adapter->TransmitDescriptors + Adapter->LastTxDesc;
|
|
|
|
if (!(TransmitDescriptor->Status & E1000_TDESC_STATUS_DD))
|
|
{
|
|
/* Not processed yet */
|
|
break;
|
|
}
|
|
|
|
Adapter->LastTxDesc = (Adapter->LastTxDesc + 1) % NUM_TRANSMIT_DESCRIPTORS;
|
|
Value &= ~E1000_IMS_TXDW;
|
|
Adapter->TxFull = FALSE;
|
|
NDIS_DbgPrint(MAX_TRACE, ("CurrentTxDesc:%u, LastTxDesc:%u\n", Adapter->CurrentTxDesc, Adapter->LastTxDesc));
|
|
}
|
|
}
|
|
|
|
|
|
ASSERT(Value == 0);
|
|
}
|