windows-nt/Source/XPSP1/NT/net/qos/psched/sys/status.c
2020-09-26 16:20:57 +08:00

255 lines
5.6 KiB
C
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*++
Copyright (c) 1996-1999 Microsoft Corporation
Module Name:
status.c
Abstract:
status indications handled in here....
Author:
Charlie Wickham (charlwi) 20-Jun-1996
Rajesh Sundaram (rajeshsu) 01-Aug-1998.
Environment:
Kernel Mode
Revision History:
--*/
#include "psched.h"
#pragma hdrstop
/* External */
/* Static */
/* Forward */
VOID
ClStatusIndication(
IN NDIS_HANDLE ProtocolBindingContext,
IN NDIS_STATUS GeneralStatus,
IN PVOID StatusBuffer,
IN UINT StatusBufferSize
);
VOID
ClStatusIndicationComplete(
IN NDIS_HANDLE BindingContext
);
/* End Forward */
VOID
ClStatusIndication(
IN NDIS_HANDLE ProtocolBindingContext,
IN NDIS_STATUS GeneralStatus,
IN PVOID StatusBuffer,
IN UINT StatusBufferSize
)
/*++
Routine Description:
Called by the NIC via NdisIndicateStatus
Arguments:
See the DDK...
Return Values:
None
--*/
{
PADAPTER Adapter = (PADAPTER)ProtocolBindingContext;
NDIS_STATUS Status;
ULONG ErrorLogData[2];
PVOID Context;
PsDbgOut(DBG_TRACE,
DBG_PROTOCOL,
("(%08X) ClStatusIndication: Status %08X\n",
Adapter,
GeneralStatus));
// General rule:
// If our device is not ready, we cannot forward the status indication.
// Yes - we care about the Media connect and link speed oids. We will
// query for these OIDs when we get to D0.
//
// (i) Special case for media_status. <need to pass it up>
// Condition is that:
// (Adapter state is OFF, so we can't process it ourselves) AND
// (Status indication is about 'connect' or 'disconnect') AND
// (Adapter state is 'running') AND
// (Adapter has a binding handle for the protocol above)
// We will process fix our internal state when we wake up and go back to D0.
if( (IsDeviceStateOn(Adapter) == FALSE) &&
((GeneralStatus == NDIS_STATUS_MEDIA_CONNECT) || (GeneralStatus == NDIS_STATUS_MEDIA_DISCONNECT)) &&
(Adapter->PsMpState == AdapterStateRunning ) &&
(Adapter->PsNdisHandle != NULL) )
{
NdisMIndicateStatus(Adapter->PsNdisHandle,
GeneralStatus,
StatusBuffer,
StatusBufferSize );
return;
}
// (ii) Special case for wan-line-down: <need to process it>
// This is a special case for wan_line_down. Need to forward it even if the adapter is not in D0.
if( (IsDeviceStateOn(Adapter) == FALSE) && (GeneralStatus != NDIS_STATUS_WAN_LINE_DOWN) )
{
return;
}
//
// we cannot forward status indications until we have been called in our
// MpInitialize handler. But we need to look at certain events even if we
// are not called in the MpInitialize handler. Otherwise, we could lose these
// indications.
//
switch(GeneralStatus)
{
case NDIS_STATUS_MEDIA_CONNECT:
case NDIS_STATUS_LINK_SPEED_CHANGE:
PsGetLinkSpeed(Adapter);
break;
case NDIS_STATUS_MEDIA_DISCONNECT:
//
// reset the link speed so definite rate flows can be
// admitted.
//
Adapter->RawLinkSpeed = (ULONG)UNSPECIFIED_RATE;
UpdateAdapterBandwidthParameters(Adapter);
break;
default:
break;
}
//
// Our virtual adapter has not been initialized. We cannot forward this indication.
//
if(Adapter->PsMpState != AdapterStateRunning || Adapter->PsNdisHandle == NULL)
{
return;
}
//
// For these WAN related indications, we have to send them to wanarp
// So, there is no point in looking at these if our virtual adapter has not been initialized.
//
switch(GeneralStatus)
{
case NDIS_STATUS_WAN_LINE_UP:
{
if(Adapter->ProtocolType == ARP_ETYPE_IP)
{
//
// This will call NdisMIndicateStatus, so we have to return
// directly.
//
Status = CreateInterfaceForNdisWan(Adapter,
StatusBuffer,
StatusBufferSize);
return;
}
break;
}
case NDIS_STATUS_WAN_LINE_DOWN:
//
// NDISWAN link has been torn down.
//
if(Adapter->ProtocolType == ARP_ETYPE_IP)
{
DeleteInterfaceForNdisWan(Adapter,
StatusBuffer,
StatusBufferSize);
return;
}
break;
default:
break;
}
//
// now indicate the status to the upper layer.
//
NdisMIndicateStatus(Adapter->PsNdisHandle,
GeneralStatus,
StatusBuffer,
StatusBufferSize );
} // ClStatusIndication
VOID
ClStatusIndicationComplete(
IN NDIS_HANDLE ProtocolBindingContext
)
/*++
Routine Description:
Called by the NIC via NdisIndicateStatusComplete
Arguments:
See the DDK...
Return Values:
None
--*/
{
PADAPTER Adapter = (PADAPTER)ProtocolBindingContext;
PsDbgOut(DBG_TRACE, DBG_PROTOCOL, ("(%08X) ClStatusIndicationComplete\n", Adapter));
if ( Adapter->PsNdisHandle != NULL) {
NdisMIndicateStatusComplete( Adapter->PsNdisHandle );
}
} // ClStatusIndication
/* end status.c */