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[E1000] Implement basic sending.

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Implement some interrupt recognition

CORE-14675
This commit is contained in:
Mark Jansen 2018-05-29 22:52:43 +02:00
parent d9b0601ceb
commit ebad64bcfe
5 changed files with 269 additions and 32 deletions
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60
drivers/network/dd/e1000/interrupt.c
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@ -17,15 +17,12 @@ MiniportISR(
OUT PBOOLEAN QueueMiniportHandleInterrupt,
IN NDIS_HANDLE MiniportAdapterContext)
{
ULONG Value;
PE1000_ADAPTER Adapter = (PE1000_ADAPTER)MiniportAdapterContext;
//
// FIXME: We need to synchronize with this ISR for changes to InterruptPending,
// LinkChange, MediaState, and LinkSpeedMbps. We can get away with IRQL
// synchronization on non-SMP machines because we run a DIRQL here.
//
Value = NICInterruptRecognized(Adapter, InterruptRecognized);
InterlockedOr(&Adapter->InterruptPending, Value);
Adapter->InterruptPending |= NICInterruptRecognized(Adapter, InterruptRecognized);
if (!(*InterruptRecognized))
{
/* This is not ours. */
@ -33,10 +30,7 @@ MiniportISR(
return;
}
UNIMPLEMENTED;
/* Acknowledge the interrupt and mark the events pending service */
NICAcknowledgeInterrupts(Adapter);
/* Mark the events pending service */
*QueueMiniportHandleInterrupt = TRUE;
}
@ -45,5 +39,51 @@ 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);
}