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866 lines
23 KiB
866 lines
23 KiB
/*++
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Copyright (c) 1990-1997 Microsoft Corporation
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Module Name:
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cl.c
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Abstract:
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This file contains the functions that implement the ndiswan
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NDIS 5.0 client interface. These functions are used to interface
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with NDIS 5.0 miniports/call managers.
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Author:
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Tony Bell (TonyBe) January 9, 1997
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Environment:
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Kernel Mode
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Revision History:
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TonyBe 01/09/97 Created
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--*/
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//
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// We want to initialize all of the global variables now!
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//
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#include "wan.h"
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#include "atm.h"
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#define __FILE_SIG__ CL_FILESIG
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NDIS_STATUS
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ClCreateVc(
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IN NDIS_HANDLE ProtocolAfContext,
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IN NDIS_HANDLE NdisVcHandle,
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OUT PNDIS_HANDLE ProtocolVcContext
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)
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{
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PCL_AFSAPCB AfSapCB = (PCL_AFSAPCB)ProtocolAfContext;
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POPENCB OpenCB = AfSapCB->OpenCB;
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PLINKCB LinkCB;
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PBUNDLECB BundleCB;
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClCreateVc: Enter"));
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//
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// Get a linkcb
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//
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LinkCB = NdisWanAllocateLinkCB(OpenCB, 0);
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if (LinkCB == NULL) {
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//
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// Error getting LinkCB!
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//
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return (NDIS_STATUS_RESOURCES);
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}
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LinkCB->NdisLinkHandle = NdisVcHandle;
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LinkCB->ConnectionWrapperID = NdisVcHandle;
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LinkCB->AfSapCB = AfSapCB;
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//
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// Set some default values
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//
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LinkCB->RFlowSpec.PeakBandwidth =
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LinkCB->SFlowSpec.PeakBandwidth = 28800 / 8;
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LinkCB->SendWindow = OpenCB->WanInfo.MaxTransmit;
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//
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// Get a bundlecb
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//
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BundleCB = NdisWanAllocateBundleCB();
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if (BundleCB == NULL) {
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NdisWanFreeLinkCB(LinkCB);
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//
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// Error getting BundleCB!
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//
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return (NDIS_STATUS_RESOURCES);
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}
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//
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// Add LinkCB to BundleCB
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//
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AcquireBundleLock(BundleCB);
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AddLinkToBundle(BundleCB, LinkCB);
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ReleaseBundleLock(BundleCB);
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//
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// Place BundleCB in active connection table
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//
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if (NULL == InsertBundleInConnectionTable(BundleCB)) {
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//
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// Error inserting link in ConnectionTable
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//
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RemoveLinkFromBundle(BundleCB, LinkCB, FALSE);
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NdisWanFreeLinkCB(LinkCB);
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return (NDIS_STATUS_RESOURCES);
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}
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//
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// Place LinkCB in active connection table
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//
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if (NULL == InsertLinkInConnectionTable(LinkCB)) {
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//
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// Error inserting bundle in connectiontable
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//
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RemoveLinkFromBundle(BundleCB, LinkCB, FALSE);
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NdisWanFreeLinkCB(LinkCB);
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return (NDIS_STATUS_RESOURCES);
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}
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*ProtocolVcContext = LinkCB->hLinkHandle;
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NdisAcquireSpinLock(&AfSapCB->Lock);
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REF_CLAFSAPCB(AfSapCB);
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NdisReleaseSpinLock(&AfSapCB->Lock);
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClCreateVc: Exit"));
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return (NDIS_STATUS_SUCCESS);
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}
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NDIS_STATUS
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ClDeleteVc(
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IN NDIS_HANDLE ProtocolVcContext
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)
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{
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PLINKCB LinkCB;
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PBUNDLECB BundleCB;
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PCL_AFSAPCB AfSapCB;
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if (!IsLinkValid(ProtocolVcContext, FALSE, &LinkCB)) {
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NdisWanDbgOut(DBG_FAILURE, DBG_CL,
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("NDISWAN: Possible double delete of VcContext %x\n",
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ProtocolVcContext));
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return (NDIS_STATUS_FAILURE);
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}
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClDeleteVc: Enter %p", LinkCB));
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NdisAcquireSpinLock(&LinkCB->Lock);
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AfSapCB = LinkCB->AfSapCB;
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//
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// For the ref applied in IsLinkValid. We
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// don't have to use the full deref code here as we know the ref
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// applied at CreateVc will keep the link around.
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//
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LinkCB->RefCount--;
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//
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// For the createvc reference
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//
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DEREF_LINKCB_LOCKED(LinkCB);
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClDeleteVc: Exit"));
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DEREF_CLAFSAPCB(AfSapCB);
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return(NDIS_STATUS_SUCCESS);
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}
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VOID
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ClOpenAfComplete(
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IN NDIS_STATUS Status,
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IN NDIS_HANDLE ProtocolAfContext,
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IN NDIS_HANDLE NdisAfHandle
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)
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{
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PCL_AFSAPCB AfSapCB = (PCL_AFSAPCB)ProtocolAfContext;
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POPENCB OpenCB = AfSapCB->OpenCB;
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PCO_SAP Sap;
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NDIS_HANDLE SapHandle;
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UCHAR SapBuffer[CLSAP_BUFFERSIZE];
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClOpenAfComplete: Enter %p %x", AfSapCB, Status));
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NdisAcquireSpinLock(&AfSapCB->Lock);
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AfSapCB->Flags &= ~(AF_OPENING);
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if (Status == NDIS_STATUS_SUCCESS) {
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AfSapCB->Flags |=
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(AF_OPENED | SAP_REGISTERING);
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AfSapCB->AfHandle = NdisAfHandle;
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NdisReleaseSpinLock(&AfSapCB->Lock);
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//
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// If we successfully opened the AddressFamily we
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// need to register our SAP.
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//
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NdisAcquireSpinLock(&OpenCB->Lock);
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InsertHeadList(&OpenCB->AfSapCBList,
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&AfSapCB->Linkage);
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NdisReleaseSpinLock(&OpenCB->Lock);
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Sap = (PCO_SAP)SapBuffer;
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//
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// Register our SAP
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//
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Sap->SapType = SAP_TYPE_NDISWAN_PPP;
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Sap->SapLength = sizeof(DEVICECLASS_NDISWAN_SAP);
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NdisMoveMemory(Sap->Sap,
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DEVICECLASS_NDISWAN_SAP,
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sizeof(DEVICECLASS_NDISWAN_SAP));
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Status =
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NdisClRegisterSap(AfSapCB->AfHandle,
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AfSapCB,
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Sap,
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&SapHandle);
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if (Status != NDIS_STATUS_PENDING) {
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ClRegisterSapComplete(Status, AfSapCB, Sap, SapHandle);
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}
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NdisWanDbgOut(DBG_TRACE, DBG_PROTOCOL,
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("ClRegisterSap SapHandle 0x%x status: 0x%x", SapHandle, Status));
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} else {
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AfSapCB->Flags |= AF_OPEN_FAILED;
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NdisReleaseSpinLock(&AfSapCB->Lock);
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//
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// We failed to register the address family so free
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// associated memory.
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//
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NdisWanFreeClAfSapCB(AfSapCB);
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//
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// Since the open af was initiated from the notification
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// of a new af from ndis we have to decrement the af
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// registering count.
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//
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NdisAcquireSpinLock(&OpenCB->Lock);
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if (--OpenCB->AfRegisteringCount == 0) {
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NdisWanSetNotificationEvent(&OpenCB->AfRegisteringEvent);
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}
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NdisReleaseSpinLock(&OpenCB->Lock);
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}
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClOpenAfComplete: Exit"));
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}
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VOID
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ClCloseAfComplete(
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IN NDIS_STATUS Status,
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IN NDIS_HANDLE ProtocolAfContext
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)
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{
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PCL_AFSAPCB AfSapCB = (PCL_AFSAPCB)ProtocolAfContext;
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POPENCB OpenCB = AfSapCB->OpenCB;
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClCloseAfComplete: Enter %p %x", AfSapCB, Status));
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//
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// BUG 494260
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// NDIS should not be invoking this deregister handler at a raised
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// IRQL (i.e while holding a spinlock). Bug 494260 documents this
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// this issue.
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//
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// This assert has been commented out to prevent breaks on checked build.
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// When 494260 is fixed, this ASSERT should be uncommented.
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//
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// ASSERT(KeGetCurrentIrql() < DISPATCH_LEVEL);
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do {
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//
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// If the close attempt failed there must be another
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// thread that is already doing the close. Let the
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// other thread cleanup the afsapcb.
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//
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if (Status != NDIS_STATUS_SUCCESS) {
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break;
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}
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NdisAcquireSpinLock(&AfSapCB->Lock);
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AfSapCB->Flags &= ~(AF_CLOSING);
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AfSapCB->Flags |= (AF_CLOSED);
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NdisReleaseSpinLock(&AfSapCB->Lock);
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NdisAcquireSpinLock(&OpenCB->Lock);
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RemoveEntryList(&AfSapCB->Linkage);
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NdisReleaseSpinLock(&OpenCB->Lock);
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NdisWanFreeClAfSapCB(AfSapCB);
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} while (FALSE);
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//
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// Refer comment above
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//
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// ASSERT(KeGetCurrentIrql() < DISPATCH_LEVEL);
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClCloseAfComplete: Exit"));
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}
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VOID
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ClRegisterSapComplete(
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IN NDIS_STATUS Status,
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IN NDIS_HANDLE ProtocolSapContext,
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IN PCO_SAP Sap,
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IN NDIS_HANDLE NdisSapHandle
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)
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{
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PCL_AFSAPCB AfSapCB = (PCL_AFSAPCB)ProtocolSapContext;
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POPENCB OpenCB = AfSapCB->OpenCB;
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClRegisterSapComplete: Enter %p %x", AfSapCB, Status));
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NdisAcquireSpinLock(&AfSapCB->Lock);
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AfSapCB->Flags &= ~(SAP_REGISTERING);
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if (Status == NDIS_STATUS_SUCCESS) {
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AfSapCB->Flags |= SAP_REGISTERED;
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AfSapCB->SapHandle = NdisSapHandle;
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NdisReleaseSpinLock(&AfSapCB->Lock);
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} else {
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//
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// We failed to register our sap so close the address family
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//
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AfSapCB->Flags &= ~(AF_OPENED);
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AfSapCB->Flags |=
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(SAP_REGISTER_FAILED | AF_CLOSING);
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NdisReleaseSpinLock(&AfSapCB->Lock);
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NdisAcquireSpinLock(&OpenCB->Lock);
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RemoveEntryList(&AfSapCB->Linkage);
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InsertTailList(&OpenCB->AfSapCBClosing, &AfSapCB->Linkage);
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NdisReleaseSpinLock(&OpenCB->Lock);
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NdisClCloseAddressFamily(AfSapCB->AfHandle);
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if (Status != NDIS_STATUS_PENDING) {
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ClCloseAfComplete(Status, AfSapCB);
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}
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}
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//
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// Since the open af was initiated from the notification
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// of a new af from ndis we have to decrement the af
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// registering count.
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//
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NdisAcquireSpinLock(&OpenCB->Lock);
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if (--OpenCB->AfRegisteringCount == 0) {
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NdisWanSetNotificationEvent(&OpenCB->AfRegisteringEvent);
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}
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NdisReleaseSpinLock(&OpenCB->Lock);
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClRegisterSapComplete: Exit"));
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}
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VOID
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ClDeregisterSapComplete(
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IN NDIS_STATUS Status,
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IN NDIS_HANDLE ProtocolSapContext
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)
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{
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PCL_AFSAPCB AfSapCB = (PCL_AFSAPCB)ProtocolSapContext;
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POPENCB OpenCB = AfSapCB->OpenCB;
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClDeregisterSapComplete: Enter %p %x", AfSapCB, Status));
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//
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// BUG 494260
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// NDIS should not be invoking this deregister handler at a raised
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// IRQL (i.e while holding a spinlock). Bug 494260 documents this
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// this issue.
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//
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// This assert has been commented out to prevent breaks on checked build.
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// When 494260 is fixed, this ASSERT should be uncommented.
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//
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// ASSERT(KeGetCurrentIrql() < DISPATCH_LEVEL);
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NdisAcquireSpinLock(&AfSapCB->Lock);
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ASSERT(AfSapCB->Flags & AF_OPENED);
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AfSapCB->Flags &= ~(AF_OPENED | SAP_DEREGISTERING);
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AfSapCB->Flags |= (AF_CLOSING);
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NdisReleaseSpinLock(&AfSapCB->Lock);
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Status =
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NdisClCloseAddressFamily(AfSapCB->AfHandle);
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if (Status != NDIS_STATUS_PENDING) {
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ClCloseAfComplete(Status, AfSapCB);
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}
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//
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// Refer comment above
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//
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// ASSERT(KeGetCurrentIrql() < DISPATCH_LEVEL);
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClDeregisterSapComplete: Exit"));
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}
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VOID
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ClMakeCallComplete(
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IN NDIS_STATUS Status,
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IN NDIS_HANDLE ProtocolVcContext,
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IN NDIS_HANDLE NdisPartyHandle OPTIONAL,
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IN PCO_CALL_PARAMETERS CallParameters
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)
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{
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClMakeCallComplete: Enter %p %x", ProtocolVcContext, Status));
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DbgBreakPoint();
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClMakeCallComplete: Exit"));
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}
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VOID
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ClModifyQoSComplete(
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IN NDIS_STATUS Status,
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IN NDIS_HANDLE ProtocolVcContext,
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IN PCO_CALL_PARAMETERS CallParameters
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)
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{
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClModifyQoSComplete: Enter %p %x", ProtocolVcContext, Status));
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClModifyQoSComplete: Exit"));
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}
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VOID
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ClCloseCallComplete(
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IN NDIS_STATUS Status,
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IN NDIS_HANDLE ProtocolVcContext,
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IN NDIS_HANDLE ProtocolPartyContext OPTIONAL
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)
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{
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClCloseCallComplete: Enter %p %x", ProtocolVcContext, Status));
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClCloseCallComplete: Exit"));
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}
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NDIS_STATUS
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ClIncomingCall(
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IN NDIS_HANDLE ProtocolSapContext,
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IN NDIS_HANDLE ProtocolVcContext,
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IN OUT PCO_CALL_PARAMETERS CallParameters
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)
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{
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PCL_AFSAPCB AfSapCB = (PCL_AFSAPCB)ProtocolSapContext;
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PLINKCB LinkCB;
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POPENCB OpenCB = AfSapCB->OpenCB;
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PBUNDLECB BundleCB;
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BOOLEAN AtmUseLLC = FALSE;
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BOOLEAN MediaBroadband = FALSE;
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PWAN_LINK_INFO LinkInfo;
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NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
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NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClIncomingCall: Enter %p %p", AfSapCB, ProtocolVcContext));
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do {
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if (!AreLinkAndBundleValid(ProtocolVcContext,
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TRUE,
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&LinkCB,
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&BundleCB)) {
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Status = NDIS_STATUS_FAILURE;
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break;
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}
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NdisAcquireSpinLock(&LinkCB->Lock);
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LinkCB->ClCallState = CL_CALL_CONNECTED;
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NdisReleaseSpinLock(&LinkCB->Lock);
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AcquireBundleLock(BundleCB);
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NdisMoveMemory(&LinkCB->SFlowSpec,
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&CallParameters->CallMgrParameters->Transmit,
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sizeof(FLOWSPEC));
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NdisMoveMemory(&LinkCB->RFlowSpec,
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&CallParameters->CallMgrParameters->Receive,
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sizeof(FLOWSPEC));
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if (LinkCB->SFlowSpec.PeakBandwidth == 0) {
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LinkCB->SFlowSpec.PeakBandwidth = 28800 / 8;
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}
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if (LinkCB->RFlowSpec.PeakBandwidth == 0) {
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LinkCB->RFlowSpec.PeakBandwidth = LinkCB->SFlowSpec.PeakBandwidth;
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}
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LinkInfo = &LinkCB->LinkInfo;
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//
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// Assume all CoNDIS miniports support PPP framing
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//
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LinkInfo->SendFramingBits =
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LinkInfo->RecvFramingBits = PPP_FRAMING;
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LinkCB->RecvHandler = ReceivePPP;
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if (OpenCB->MediumType == NdisMediumAtm ||
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(OpenCB->MediumType == NdisMediumWan &&
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(OpenCB->MediumSubType == NdisWanMediumAtm ||
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OpenCB->MediumSubType == NdisWanMediumPppoe)) ||
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(OpenCB->MediumType == NdisMediumCoWan &&
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(OpenCB->MediumSubType == NdisWanMediumAtm ||
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OpenCB->MediumSubType == NdisWanMediumPppoe))) {
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MediaBroadband = TRUE;
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LinkCB->RecvHandler = DetectBroadbandFraming;
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}
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if (MediaBroadband) {
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if (CallParameters->Flags & PERMANENT_VC) {
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//
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// Per TomF we are going to use NULL encap as
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// our default PVC encapsulation
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//
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if (gbAtmUseLLCOnPVC) {
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AtmUseLLC = TRUE;
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|
|
|
}
|
|
|
|
} else {
|
|
//
|
|
// If this is an ATM SVC we need to see
|
|
// if the SVC needs LLC framing or not
|
|
//
|
|
if (gbAtmUseLLCOnSVC) {
|
|
AtmUseLLC = TRUE;
|
|
|
|
} else {
|
|
ULONG IeCount;
|
|
Q2931_IE UNALIGNED *Ie;
|
|
ATM_BLLI_IE UNALIGNED *Bli;
|
|
Q2931_CALLMGR_PARAMETERS *cmparams;
|
|
|
|
cmparams = (Q2931_CALLMGR_PARAMETERS*)
|
|
&(CallParameters->CallMgrParameters->CallMgrSpecific.Parameters[0]);
|
|
|
|
Bli = NULL;
|
|
Ie = (Q2931_IE UNALIGNED *)&cmparams->InfoElements[0];
|
|
for (IeCount = 0;
|
|
IeCount < cmparams->InfoElementCount;
|
|
IeCount++) {
|
|
|
|
if (Ie->IEType == IE_BLLI) {
|
|
Bli = (ATM_BLLI_IE UNALIGNED*)&Ie->IE[0];
|
|
break;
|
|
}
|
|
|
|
Ie = (Q2931_IE UNALIGNED *)((ULONG_PTR)Ie + Ie->IELength);
|
|
}
|
|
|
|
if (Bli != NULL) {
|
|
AtmUseLLC = (Bli->Layer2Protocol == BLLI_L2_LLC);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (AtmUseLLC) {
|
|
LinkInfo->SendFramingBits |= LLC_ENCAPSULATION;
|
|
LinkInfo->RecvFramingBits |= LLC_ENCAPSULATION;
|
|
LinkCB->RecvHandler = ReceiveLLC;
|
|
}
|
|
|
|
if (!(LinkInfo->SendFramingBits & LLC_ENCAPSULATION)) {
|
|
LinkInfo->SendFramingBits |= PPP_COMPRESS_ADDRESS_CONTROL;
|
|
LinkInfo->RecvFramingBits |= PPP_COMPRESS_ADDRESS_CONTROL;
|
|
}
|
|
}
|
|
|
|
NdisWanDbgOut(DBG_TRACE, DBG_CL, ("SPeakBandwidth %d SendWindow %d",
|
|
LinkCB->SFlowSpec.PeakBandwidth,
|
|
LinkCB->SendWindow));
|
|
|
|
if (CallParameters->Flags & PERMANENT_VC) {
|
|
|
|
//
|
|
// This is a PVC so we will disable idle data detection
|
|
// thus allowing the connection to remain active
|
|
//
|
|
BundleCB->Flags |= DISABLE_IDLE_DETECT;
|
|
}
|
|
|
|
BundleCB->FramingInfo.RecvFramingBits =
|
|
BundleCB->FramingInfo.SendFramingBits = PPP_FRAMING;
|
|
|
|
UpdateBundleInfo(BundleCB);
|
|
|
|
//
|
|
// Deref for the ref applied by AreLinkAndBundleValid. This
|
|
// will release the BundleCB->Lock!
|
|
//
|
|
DEREF_BUNDLECB_LOCKED(BundleCB);
|
|
|
|
//
|
|
// Deref for the ref applied by AreLinkAndBundleValid.
|
|
//
|
|
DEREF_LINKCB(LinkCB);
|
|
|
|
} while (0);
|
|
|
|
NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClIncomingCall: Exit"));
|
|
|
|
return (Status);
|
|
}
|
|
|
|
VOID
|
|
ClIncomingCallQoSChange(
|
|
IN NDIS_HANDLE ProtocolVcContext,
|
|
IN PCO_CALL_PARAMETERS CallParameters
|
|
)
|
|
{
|
|
PLINKCB LinkCB;
|
|
PBUNDLECB BundleCB;
|
|
POPENCB OpenCB;
|
|
NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClIncomingCallQoSChange: Enter %p", ProtocolVcContext));
|
|
|
|
do {
|
|
|
|
if (!AreLinkAndBundleValid(ProtocolVcContext,
|
|
TRUE,
|
|
&LinkCB,
|
|
&BundleCB)) {
|
|
break;
|
|
}
|
|
|
|
AcquireBundleLock(BundleCB);
|
|
|
|
OpenCB = LinkCB->OpenCB;
|
|
|
|
//
|
|
// Do I need to pass this info to 5.0 Clients?????
|
|
//
|
|
|
|
NdisMoveMemory(&LinkCB->SFlowSpec,
|
|
&CallParameters->CallMgrParameters->Transmit,
|
|
sizeof(FLOWSPEC));
|
|
|
|
NdisMoveMemory(&LinkCB->RFlowSpec,
|
|
&CallParameters->CallMgrParameters->Receive,
|
|
sizeof(FLOWSPEC));
|
|
|
|
if (LinkCB->SFlowSpec.PeakBandwidth == 0) {
|
|
LinkCB->SFlowSpec.PeakBandwidth = 28800 / 8;
|
|
}
|
|
|
|
if (LinkCB->RFlowSpec.PeakBandwidth == 0) {
|
|
LinkCB->RFlowSpec.PeakBandwidth = LinkCB->SFlowSpec.PeakBandwidth;
|
|
}
|
|
|
|
UpdateBundleInfo(BundleCB);
|
|
|
|
//
|
|
// Deref for the ref applied by AreLinkAndBundleValid. This will
|
|
// release the BundleCB->Lock.
|
|
//
|
|
DEREF_BUNDLECB_LOCKED(BundleCB);
|
|
|
|
//
|
|
// Deref for the ref applied by AreLinkAndBundleValid.
|
|
//
|
|
DEREF_LINKCB(LinkCB);
|
|
|
|
} while (0);
|
|
|
|
NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClIncomingCallQoSChange: Exit"));
|
|
}
|
|
|
|
VOID
|
|
ClIncomingCloseCall(
|
|
IN NDIS_STATUS CloseStatus,
|
|
IN NDIS_HANDLE ProtocolVcContext,
|
|
IN PVOID CloseData OPTIONAL,
|
|
IN UINT Size OPTIONAL
|
|
)
|
|
{
|
|
PLINKCB LinkCB;
|
|
PBUNDLECB BundleCB;
|
|
PRECV_DESC RecvDesc;
|
|
NDIS_STATUS Status;
|
|
ULONG i;
|
|
BOOLEAN FreeBundle = FALSE;
|
|
BOOLEAN FreeLink = FALSE;
|
|
|
|
NdisWanDbgOut(DBG_TRACE, DBG_CL,
|
|
("ClIncomingCloseCall: Enter %p %x", ProtocolVcContext, CloseStatus));
|
|
|
|
do {
|
|
|
|
if (!AreLinkAndBundleValid(ProtocolVcContext,
|
|
TRUE,
|
|
&LinkCB,
|
|
&BundleCB)) {
|
|
#if DBG
|
|
DbgPrint("NDISWAN: CloseCall after link has gone down VcContext %x\n",
|
|
ProtocolVcContext);
|
|
|
|
DbgBreakPoint();
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
NdisAcquireSpinLock(&LinkCB->Lock);
|
|
|
|
//
|
|
// Link is now going down
|
|
//
|
|
LinkCB->State = LINK_GOING_DOWN;
|
|
|
|
if (LinkCB->VcRefCount == 0) {
|
|
|
|
LinkCB->ClCallState = CL_CALL_CLOSED;
|
|
|
|
NdisReleaseSpinLock(&LinkCB->Lock);
|
|
|
|
Status =
|
|
NdisClCloseCall(LinkCB->NdisLinkHandle,
|
|
NULL,
|
|
NULL,
|
|
0);
|
|
|
|
if (Status != NDIS_STATUS_PENDING) {
|
|
ClCloseCallComplete(Status,
|
|
LinkCB,
|
|
NULL);
|
|
}
|
|
|
|
} else {
|
|
LinkCB->ClCallState = CL_CALL_CLOSE_PENDING;
|
|
|
|
NdisReleaseSpinLock(&LinkCB->Lock);
|
|
}
|
|
|
|
NdisAcquireSpinLock(&IoRecvList.Lock);
|
|
|
|
RecvDesc = (PRECV_DESC)IoRecvList.DescList.Flink;
|
|
|
|
while ((PVOID)RecvDesc != (PVOID)&IoRecvList.DescList) {
|
|
PRECV_DESC Next;
|
|
|
|
Next = (PRECV_DESC)RecvDesc->Linkage.Flink;
|
|
|
|
if (RecvDesc->LinkCB == LinkCB) {
|
|
|
|
RemoveEntryList(&RecvDesc->Linkage);
|
|
|
|
LinkCB->RecvDescCount--;
|
|
|
|
IoRecvList.ulDescCount--;
|
|
|
|
NdisWanFreeRecvDesc(RecvDesc);
|
|
}
|
|
|
|
RecvDesc = Next;
|
|
}
|
|
|
|
NdisReleaseSpinLock(&IoRecvList.Lock);
|
|
|
|
//
|
|
// Flush the Bundle's fragment send queues that
|
|
// have sends pending on this link
|
|
//
|
|
AcquireBundleLock(BundleCB);
|
|
|
|
for (i = 0; i < MAX_MCML; i++) {
|
|
PSEND_DESC SendDesc;
|
|
PSEND_FRAG_INFO FragInfo;
|
|
|
|
FragInfo = &BundleCB->SendFragInfo[i];
|
|
|
|
SendDesc = (PSEND_DESC)FragInfo->FragQueue.Flink;
|
|
|
|
while ((PVOID)SendDesc != (PVOID)&FragInfo->FragQueue) {
|
|
|
|
if (SendDesc->LinkCB == LinkCB) {
|
|
PSEND_DESC NextSendDesc;
|
|
|
|
NextSendDesc = (PSEND_DESC)SendDesc->Linkage.Flink;
|
|
|
|
RemoveEntryList(&SendDesc->Linkage);
|
|
|
|
FragInfo->FragQueueDepth--;
|
|
|
|
(*LinkCB->SendHandler)(SendDesc);
|
|
|
|
SendDesc = NextSendDesc;
|
|
} else {
|
|
SendDesc = (PSEND_DESC)SendDesc->Linkage.Flink;
|
|
}
|
|
}
|
|
}
|
|
|
|
UpdateBundleInfo(BundleCB);
|
|
|
|
ReleaseBundleLock(BundleCB);
|
|
|
|
//
|
|
// Deref's for the refs applied by AreLinkAndBundleValid.
|
|
//
|
|
DEREF_LINKCB(LinkCB);
|
|
|
|
DEREF_BUNDLECB(BundleCB);
|
|
|
|
} while (0);
|
|
|
|
NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClIncomingCloseCall: Exit"));
|
|
}
|
|
|
|
VOID
|
|
ClCallConnected(
|
|
IN NDIS_HANDLE ProtocolVcContext
|
|
)
|
|
{
|
|
NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClCallConnected: Enter %p", ProtocolVcContext));
|
|
|
|
NdisWanDbgOut(DBG_TRACE, DBG_CL, ("ClCallConnected: Exit"));
|
|
}
|