netkvm: start/stop trigger for lazy allocation thread

Jira link: https://issues.redhat.com/browse/RHEL-40693 Start the thread when the initialization is finished successfully, the thread starts allocate additional RX memory. On disable - the first thing to do is to stop the thread and wait until it is finished. Signed-off-by: Yuri Benditovich <[email protected]>
ybendito · Dec 23, 2024 · 16d4ae1 · 16d4ae1
1 parent 93b6c71
commit 16d4ae1
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diff --git a/NetKVM/Common/ndis56common.h b/NetKVM/Common/ndis56common.h
@@ -604,6 +604,7 @@ struct _PARANDIS_ADAPTER : public CNdisAllocatable<_PARANDIS_ADAPTER, 'DCTX'>
     BOOLEAN                     bRSSSupportedByDevice = false;
     BOOLEAN                     bRSSSupportedByDevicePersistent = false;
     BOOLEAN                     bHashReportedByDevice = false;
+    CSystemThread               systemThread;
 
 #if PARANDIS_SUPPORT_RSS
     BOOLEAN                     bRSSOffloadSupported = false;

diff --git a/NetKVM/wlh/ParaNdis6_Driver.cpp b/NetKVM/wlh/ParaNdis6_Driver.cpp
@@ -328,6 +328,7 @@ static NDIS_STATUS ParaNdis6_Initialize(
         pContext->m_StateMachine.NotifyInitialized(pContext);
         ParaNdis_DebugRegisterMiniport(pContext, TRUE);
         ParaNdis_ProtocolRegisterAdapter(pContext);
+        pContext->systemThread.Start(pContext);
     }
     else
     {
@@ -353,6 +354,7 @@ static VOID ParaNdis6_Halt(NDIS_HANDLE miniportAdapterContext, NDIS_HALT_ACTION
 {
     PARANDIS_ADAPTER *pContext = (PARANDIS_ADAPTER *)miniportAdapterContext;
     DEBUG_ENTRY(0);
+    pContext->systemThread.Stop();
     ParaNdis_DebugHistory(pContext, _etagHistoryLogOperation::hopHalt, NULL, 1, haltAction, 0);
     ParaNdis_ProtocolUnregisterAdapter(pContext);
     ParaNdis_DebugHistory(pContext, _etagHistoryLogOperation::hopHalt, NULL, 0, 0, 0);