NDIS_STATUS
MPDirectOidRequest(
__in NDIS_HANDLE MiniportAdapterContext,
__in PNDIS_OID_REQUEST NdisOidRequest
)
{
PADAPTER adapter = (PADAPTER)MiniportAdapterContext;
NDIS_STATUS ndisStatus = NDIS_STATUS_NOT_SUPPORTED;
NDIS_OID oid;
PMP_PORT destinationPort = NULL;
//
// If the adapter has been surprise removed, fail request
//
if (MP_TEST_ADAPTER_STATUS(adapter, MP_ADAPTER_SURPRISE_REMOVED))
{
ndisStatus = NDIS_STATUS_FAILURE;
MpTrace(COMP_OID, DBG_SERIOUS, ("NDIS_OID_REQUEST failed as surprise removal is in progress\n"));
return ndisStatus;
}
// Depending on the OID, hand it to the appropriate component for processing
oid = NdisOidRequest->DATA.QUERY_INFORMATION.Oid; // Oid is at same offset for all RequestTypes
MpTrace(COMP_OID, DBG_SERIOUS, ("Processing NDIS_OID_REQUEST for Direct OID 0x%08x\n", oid));
//
// Now determine if the OID is something the helper port would process or one of the
// ports from the port list should process
//
switch (oid)
{
default:
{
// All OIDs would need to get forwarded to the appropriate port
// for processing.
//
// First we would need to translate from the NDIS_PORT_NUMBER
// to our port structure. This is done by walking the PortList
//
destinationPort = Port11TranslatePortNumberToPort(
adapter,
NdisOidRequest->PortNumber
);
if (destinationPort == NULL)
{
MpTrace(COMP_OID, DBG_SERIOUS, ("Unable to find Port corresponding to PortNumber %d\n",
NdisOidRequest->PortNumber));
ndisStatus = NDIS_STATUS_INVALID_PORT;
}
else
{
//
// Pass it to the appropriate port for processing
//
ndisStatus = Port11HandleDirectOidRequest(
destinationPort,
NdisOidRequest
);
}
}
break;
}
if ((ndisStatus != NDIS_STATUS_SUCCESS) && (ndisStatus != NDIS_STATUS_PENDING))
{
MpTrace(COMP_OID, DBG_SERIOUS, ("NDIS_OID_REQUEST for Direct OID 0x%08x failed. Status = 0x%08x\n",
oid, ndisStatus));
}
else
{
MpTrace(COMP_OID, DBG_SERIOUS, ("NDIS_OID_REQUEST for Direct OID 0x%08x succeeded. Status = 0x%08x\n",
oid, ndisStatus));
}
return ndisStatus;
}
VOID
MPSendNetBufferLists(
NDIS_HANDLE MiniportAdapterContext,
PNET_BUFFER_LIST NetBufferLists,
NDIS_PORT_NUMBER PortNumber,
ULONG SendFlags
)
{
PADAPTER adapter = (PADAPTER)MiniportAdapterContext;
NDIS_STATUS ndisStatus = NDIS_STATUS_SUCCESS;
PMP_PORT destinationPort = NULL;
PNET_BUFFER_LIST currentNetBufferList;
//
// We increment the port list refcount. This would avoid a pause from finishing
// while we are processing this NBL and that ensures that the port list does not
// change
//
MP_INCREMENT_PORTLIST_REFCOUNT(adapter);
do
{
//
// If the adapter is paused, surprise removed, etc, fail the send
//
if (MP_TEST_ADAPTER_STATUS(adapter, MP_ADAPTER_CANNOT_SEND_MASK))
{
ndisStatus = MpGetAdapterStatus(adapter);
MpTrace(COMP_SEND, DBG_NORMAL, ("Sends failed as adapter is not in a valid send state\n"));
break;
}
//
// First we would need to translate from the NDIS_PORT_NUMBER
// to our port structure. This is done by walking the PortList
//
destinationPort = Port11TranslatePortNumberToPort(
adapter,
PortNumber
);
if (destinationPort == NULL)
{
MpTrace(COMP_SEND, DBG_SERIOUS, ("Unable to find Port corresponding to PortNumber %d\n",
PortNumber));
ndisStatus = NDIS_STATUS_INVALID_PORT;
}
else
{
//
// Pass it to the appropriate port for processing
//
Port11HandleSendNetBufferLists(
destinationPort,
NetBufferLists,
SendFlags
);
}
} while (FALSE);
//
// We were protecting the port list only until we hand it to the port. After this point, the port
// is responsible for ensuring that it does not let the port get deleted while
// it has packets pending on it
//
MP_DECREMENT_PORTLIST_REFCOUNT(adapter);
if (ndisStatus != NDIS_STATUS_SUCCESS)
{
#if DBG
ULONG ulNumFailedNBLs = 0;
#endif
//
// Send failed. Complete the NBLs back to NDIS
//
for(currentNetBufferList = NetBufferLists;
currentNetBufferList != NULL;
currentNetBufferList = NET_BUFFER_LIST_NEXT_NBL(currentNetBufferList))
{
#if DBG
ulNumFailedNBLs++;
#endif
NET_BUFFER_LIST_STATUS(currentNetBufferList) = ndisStatus;
}
#if DBG
MpTrace(COMP_SEND, DBG_NORMAL, ("NdisMSendNetBufferListsComplete called with %d NBLs\n", ulNumFailedNBLs));
#endif
if (NetBufferLists != NULL)
{
NdisMSendNetBufferListsComplete(
adapter->MiniportAdapterHandle,
NetBufferLists,
(NDIS_TEST_SEND_AT_DISPATCH_LEVEL(SendFlags) ? NDIS_SEND_COMPLETE_FLAGS_DISPATCH_LEVEL : 0)
);
}
}
}
NTSTATUS
MpOidRequestWorkItem(
__in PVOID Context,
__in NDIS_HANDLE NdisIoWorkItemHandle
)
{
NDIS_STATUS ndisStatus = NDIS_STATUS_SUCCESS;
PADAPTER adapter = (PADAPTER)Context;
PNDIS_OID_REQUEST NdisOidRequest = adapter->DeferredOidRequest;
NDIS_OID oid;
PMP_PORT destinationPort = NULL;
BOOLEAN fOidCompleted = FALSE;
UNREFERENCED_PARAMETER(NdisIoWorkItemHandle);
// Depending on the OID, hand it to the appropriate component for processing
oid = NdisOidRequest->DATA.QUERY_INFORMATION.Oid; // Oid is at same offset for all RequestTypes
MpTrace(COMP_OID, DBG_SERIOUS, ("Port(%d): Processing NDIS_OID_REQUEST for OID 0x%08x\n", NdisOidRequest->PortNumber, oid));
//
// Now determine if the OID is something the helper port would process or one of the
// ports from the port list should process
//
switch (oid)
{
// Oids that the helper port should handle since they have an impact on
// virtualization
case OID_PNP_SET_POWER:
case OID_PNP_QUERY_POWER:
case OID_DOT11_CREATE_MAC:
case OID_DOT11_DELETE_MAC:
ndisStatus = HelperPortHandleOidRequest(
adapter->HelperPort,
NdisOidRequest,
&fOidCompleted
);
break;
default:
{
// All other OIDs would need to get forwarded to the appropriate port
// for processing.
//
// First we would need to translate from the NDIS_PORT_NUMBER
// to our port structure. This is done by walking the PortList
// Since OID calls are serialized, we do not expect the Portlist to change
// while we are trying to find the port or for the port to get deleted
// until this OID is completed. So we do not need to protect the Port/PortList
// in any way
//
destinationPort = Port11TranslatePortNumberToPort(
adapter,
NdisOidRequest->PortNumber
);
if (destinationPort == NULL)
{
MpTrace(COMP_OID, DBG_SERIOUS, ("Unable to find Port corresponding to PortNumber %d\n",
NdisOidRequest->PortNumber));
ndisStatus = NDIS_STATUS_INVALID_PORT;
}
else
{
//
// Pass it to the appropriate port for processing
//
ndisStatus = Port11HandleOidRequest(
destinationPort,
NdisOidRequest
);
}
}
break;
}
if ((ndisStatus != NDIS_STATUS_SUCCESS) && (ndisStatus != NDIS_STATUS_PENDING))
{
MpTrace(COMP_OID, DBG_SERIOUS, ("Port(%d): NDIS_OID_REQUEST for OID 0x%08x failed. Status = 0x%08x\n",
NdisOidRequest->PortNumber,
oid, ndisStatus));
}
else
{
MpTrace(COMP_OID, DBG_SERIOUS, ("NDIS_OID_REQUEST for OID 0x%08x succeeded. Status = 0x%08x\n",
oid, ndisStatus));
}
// complete the Oid request if it hasn't already been completed
if (!fOidCompleted && NDIS_STATUS_PENDING != ndisStatus)
{
// Complete the OID request
Mp11CompleteOidRequest(
adapter,
NULL,
NdisOidRequest,
ndisStatus
);
}
return STATUS_SUCCESS;
}
