NON_PAGEABLE_FUNCTION void AX25Adapter::operator delete(_In_opt_ void* pointer) { if (pointer != nullptr) { AX25Adapter* thisAdapter = reinterpret_cast<AX25Adapter*>(pointer); // This should be impossible, but we should check it rather than blindly accessing memory // The extra check is not going to significantly harm performance - this is not a hotspot by any means if (thisAdapter->driverHandle == nullptr) { TraceEvents(TRACE_LEVEL_ERROR, TRACE_ADAPTER, "Cannot deallocate AX25Adapter: NDIS driver handle is nullptr"); // Can't raise an exception here because it would violate IRQL DISPATCH_LEVEL, so we will simply leave an error in the log. } else { TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_ADAPTER, "Deallocating AX25Adapter at %p", pointer); NdisFreeMemoryWithTagPriority(thisAdapter->driverHandle, pointer, AX25_ADAPTER_TAG); } } }
VOID OvsFreeMemory(VOID *ptr) { ASSERT(ptr); NdisFreeMemoryWithTagPriority(gOvsExtDriverHandle, ptr, OVS_MEMORY_TAG); }
VOID OvsFreeMemoryWithTag(VOID *ptr, ULONG tag) { ASSERT(ptr); NdisFreeMemoryWithTagPriority(gOvsExtDriverHandle, ptr, tag); }
/********************************************************** Required NDIS handler Initialize adapter context, prepare it for operation, set in PAUSED STATE Return value: SUCCESS or kind of error ***********************************************************/ static NDIS_STATUS ParaNdis6_Initialize( NDIS_HANDLE miniportAdapterHandle, NDIS_HANDLE miniportDriverContext, PNDIS_MINIPORT_INIT_PARAMETERS miniportInitParameters) { NDIS_MINIPORT_ADAPTER_ATTRIBUTES miniportAttributes = {}; NDIS_STATUS status = NDIS_STATUS_SUCCESS; BOOLEAN bNoPauseOnSuspend = FALSE; PARANDIS_ADAPTER *pContext; UNREFERENCED_PARAMETER(miniportDriverContext); DEBUG_ENTRY(0); #pragma warning( suppress: 28197) /* allocate context structure */ pContext = (PARANDIS_ADAPTER *) NdisAllocateMemoryWithTagPriority( miniportAdapterHandle, sizeof(PARANDIS_ADAPTER), PARANDIS_MEMORY_TAG, NormalPoolPriority); /* This call is for Static Driver Verifier only - has no real functionality*/ __sdv_save_adapter_context(pContext); if (!pContext) { DPrintf(0, ("[%s] ERROR: Memory allocation failed!\n", __FUNCTION__)); status = NDIS_STATUS_RESOURCES; } if (status == NDIS_STATUS_SUCCESS) { /* set mandatory fields which Common use */ NdisZeroMemory(pContext, sizeof(PARANDIS_ADAPTER)); pContext->ulUniqueID = NdisInterlockedIncrement(&gID); pContext->DriverHandle = DriverHandle; pContext->MiniportHandle = miniportAdapterHandle; } if (status == NDIS_STATUS_SUCCESS) { NdisAllocateSpinLock(&pContext->m_CompletionLock); pContext->m_CompletionLockCreated = true; new (&pContext->m_PauseLock, PLACEMENT_NEW) CNdisRWLock(); if (!pContext->m_PauseLock.Create(pContext->MiniportHandle)) { status = NDIS_STATUS_RESOURCES; } } if (status == NDIS_STATUS_SUCCESS) { NdisZeroMemory(&miniportAttributes, sizeof(miniportAttributes)); miniportAttributes.RegistrationAttributes.Header.Type = NDIS_OBJECT_TYPE_MINIPORT_ADAPTER_REGISTRATION_ATTRIBUTES; miniportAttributes.RegistrationAttributes.Header.Revision = NDIS_MINIPORT_ADAPTER_REGISTRATION_ATTRIBUTES_REVISION_1; miniportAttributes.RegistrationAttributes.Header.Size = NDIS_SIZEOF_MINIPORT_ADAPTER_REGISTRATION_ATTRIBUTES_REVISION_1; miniportAttributes.RegistrationAttributes.MiniportAdapterContext = pContext; miniportAttributes.RegistrationAttributes.AttributeFlags = // actual for USB // NDIS_MINIPORT_ATTRIBUTES_SURPRISE_REMOVE_OK NDIS_MINIPORT_ATTRIBUTES_HARDWARE_DEVICE | NDIS_MINIPORT_ATTRIBUTES_BUS_MASTER; #ifndef NO_VISTA_POWER_MANAGEMENT miniportAttributes.RegistrationAttributes.AttributeFlags |= NDIS_MINIPORT_ATTRIBUTES_NO_HALT_ON_SUSPEND; #endif #if NDIS_SUPPORT_NDIS630 miniportAttributes.RegistrationAttributes.AttributeFlags |= NDIS_MINIPORT_ATTRIBUTES_NO_PAUSE_ON_SUSPEND; bNoPauseOnSuspend = TRUE; #endif miniportAttributes.RegistrationAttributes.CheckForHangTimeInSeconds = 4; miniportAttributes.RegistrationAttributes.InterfaceType = NdisInterfacePci; status = NdisMSetMiniportAttributes(miniportAdapterHandle, &miniportAttributes); if (status != NDIS_STATUS_SUCCESS) { DPrintf(0, ("[%s] ERROR: NdisMSetMiniportAttributes 1 failed (%X)!\n", __FUNCTION__, status)); } } #pragma warning(push) #pragma warning(disable:28197) if (status == NDIS_STATUS_SUCCESS) { pContext->IODevice = (VirtIODevice *)NdisAllocateMemoryWithTagPriority( miniportAdapterHandle, sizeof(VirtIODevice), PARANDIS_MEMORY_TAG, NormalPoolPriority); } #pragma warning(pop) if (!pContext->IODevice) { DPrintf(0, ("[%s] ERROR: IODevice memory allocation failed!\n", __FUNCTION__)); status = NDIS_STATUS_RESOURCES; } if (status == NDIS_STATUS_SUCCESS) { /* prepare statistics struct for further reports */ pContext->Statistics.Header.Type = NDIS_OBJECT_TYPE_DEFAULT; pContext->Statistics.Header.Revision = NDIS_STATISTICS_INFO_REVISION_1; pContext->Statistics.Header.Size = NDIS_SIZEOF_STATISTICS_INFO_REVISION_1; /* let Common do all the rest */ status = ParaNdis_InitializeContext(pContext, miniportInitParameters->AllocatedResources); if (status != NDIS_STATUS_SUCCESS) { DPrintf(0, ("[%s] ERROR: ParaNdis6_InitializeContext failed (%X)!\n", __FUNCTION__, status)); } pContext->bNoPauseOnSuspend = bNoPauseOnSuspend; } if (status == NDIS_STATUS_SUCCESS) { NDIS_PNP_CAPABILITIES power60Caps; #if NDIS_SUPPORT_NDIS620 NDIS_PM_CAPABILITIES power620Caps; #endif #ifdef NO_VISTA_POWER_MANAGEMENT pPowerCaps = NULL; #endif ParaNdis_FillPowerCapabilities(&power60Caps); NdisZeroMemory(&miniportAttributes, sizeof(miniportAttributes)); miniportAttributes.GeneralAttributes.Header.Type = NDIS_OBJECT_TYPE_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES; miniportAttributes.GeneralAttributes.Header.Revision = NDIS_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES_REVISION_1; miniportAttributes.GeneralAttributes.Header.Size = NDIS_SIZEOF_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES_REVISION_1; #if NDIS_SUPPORT_NDIS620 miniportAttributes.GeneralAttributes.Header.Revision = NDIS_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES_REVISION_2; miniportAttributes.GeneralAttributes.Header.Size = NDIS_SIZEOF_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES_REVISION_2; miniportAttributes.GeneralAttributes.PowerManagementCapabilitiesEx = &power620Caps; ParaNdis6_Fill620PowerCapabilities(&power620Caps); #else miniportAttributes.GeneralAttributes.PowerManagementCapabilities = &power60Caps; #endif miniportAttributes.GeneralAttributes.MediaType = NdisMedium802_3; miniportAttributes.GeneralAttributes.PhysicalMediumType = NdisPhysicalMedium802_3; miniportAttributes.GeneralAttributes.MtuSize = pContext->MaxPacketSize.nMaxDataSize; miniportAttributes.GeneralAttributes.LookaheadSize = pContext->MaxPacketSize.nMaxFullSizeOS; miniportAttributes.GeneralAttributes.MaxXmitLinkSpeed = miniportAttributes.GeneralAttributes.MaxRcvLinkSpeed = PARANDIS_FORMAL_LINK_SPEED; miniportAttributes.GeneralAttributes.MediaConnectState = pContext->bConnected ? MediaConnectStateConnected : MediaConnectStateDisconnected; miniportAttributes.GeneralAttributes.XmitLinkSpeed = miniportAttributes.GeneralAttributes.RcvLinkSpeed = pContext->bConnected ? PARANDIS_FORMAL_LINK_SPEED : NDIS_LINK_SPEED_UNKNOWN; miniportAttributes.GeneralAttributes.MediaDuplexState = MediaDuplexStateFull; miniportAttributes.GeneralAttributes.MacOptions = NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA | /* NIC has no internal loopback support */ NDIS_MAC_OPTION_TRANSFERS_NOT_PEND | /* Must be set since using NdisMIndicateReceivePacket */ NDIS_MAC_OPTION_NO_LOOPBACK; /* NIC has no internal loopback support */ if (IsPrioritySupported(pContext)) miniportAttributes.GeneralAttributes.MacOptions |= NDIS_MAC_OPTION_8021P_PRIORITY; if (IsVlanSupported(pContext)) miniportAttributes.GeneralAttributes.MacOptions |= NDIS_MAC_OPTION_8021Q_VLAN; miniportAttributes.GeneralAttributes.SupportedPacketFilters = PARANDIS_PACKET_FILTERS; miniportAttributes.GeneralAttributes.MaxMulticastListSize = PARANDIS_MULTICAST_LIST_SIZE; miniportAttributes.GeneralAttributes.MacAddressLength = ETH_ALEN; #if PARANDIS_SUPPORT_RSS if (pContext->bRSSOffloadSupported) { miniportAttributes.GeneralAttributes.RecvScaleCapabilities = ParaNdis6_RSSCreateConfiguration( &pContext->RSSParameters, &pContext->RSSCapabilities, pContext->RSSMaxQueuesNumber); pContext->bRSSInitialized = TRUE; } new (&pContext->RSSParameters.rwLock, PLACEMENT_NEW) CNdisRWLock(); if (!pContext->RSSParameters.rwLock.Create(pContext->MiniportHandle)) { DPrintf(0, ("RSS RW lock allocation failed\n")); status = NDIS_STATUS_RESOURCES; } for(ULONG i = 0; i < ARRAYSIZE(pContext->ReceiveQueues); i++) { NdisAllocateSpinLock(&pContext->ReceiveQueues[i].Lock); InitializeListHead(&pContext->ReceiveQueues[i].BuffersList); } pContext->ReceiveQueuesInitialized = TRUE; #endif miniportAttributes.GeneralAttributes.AccessType = NET_IF_ACCESS_BROADCAST; miniportAttributes.GeneralAttributes.DirectionType = NET_IF_DIRECTION_SENDRECEIVE; miniportAttributes.GeneralAttributes.IfType = IF_TYPE_ETHERNET_CSMACD; miniportAttributes.GeneralAttributes.IfConnectorPresent = TRUE; miniportAttributes.GeneralAttributes.ConnectionType = NET_IF_CONNECTION_DEDICATED; ETH_COPY_NETWORK_ADDRESS(miniportAttributes.GeneralAttributes.PermanentMacAddress, pContext->PermanentMacAddress); ETH_COPY_NETWORK_ADDRESS(miniportAttributes.GeneralAttributes.CurrentMacAddress, pContext->CurrentMacAddress); ParaNdis6_GetSupportedOid(&miniportAttributes.GeneralAttributes); /* update also SupportedStatistics in ready to use statistics block */ pContext->Statistics.SupportedStatistics = ParaNdis6_GetSupportedStatisticsFlags(); status = NdisMSetMiniportAttributes(miniportAdapterHandle, &miniportAttributes); if (status != NDIS_STATUS_SUCCESS) { DPrintf(0, ("[%s] ERROR: NdisMSetMiniportAttributes 2 failed (%X)!\n", __FUNCTION__, status)); } } if (pContext && status != NDIS_STATUS_SUCCESS && status != NDIS_STATUS_PENDING) { #if PARANDIS_SUPPORT_RSS pContext->RSSParameters.rwLock.~CNdisRWLock(); if (pContext->ReceiveQueuesInitialized) { ULONG i; for (i = 0; i < ARRAYSIZE(pContext->ReceiveQueues); i++) { NdisFreeSpinLock(&pContext->ReceiveQueues[i].Lock); } } #endif if (pContext->m_CompletionLockCreated) { NdisFreeSpinLock(&pContext->m_CompletionLock); } pContext->m_PauseLock.~CNdisRWLock(); if (pContext->IODevice != nullptr) NdisFreeMemoryWithTagPriority(pContext->MiniportHandle, pContext->IODevice, PARANDIS_MEMORY_TAG); NdisFreeMemory(pContext, 0, 0); pContext = NULL; } if (pContext && status == NDIS_STATUS_SUCCESS) { status = ParaNdis_FinishInitialization(pContext); if (status != NDIS_STATUS_SUCCESS) { ParaNdis_CleanupContext(pContext); NdisFreeMemory(pContext, 0, 0); pContext = NULL; } } if (pContext && status == NDIS_STATUS_SUCCESS) { if (NDIS_STATUS_SUCCESS == ParaNdis6_GetRegistrationOffloadInfo(pContext, &miniportAttributes.OffloadAttributes)) status = NdisMSetMiniportAttributes(miniportAdapterHandle, &miniportAttributes); if (status != NDIS_STATUS_SUCCESS) { DPrintf(0, ("[%s] ERROR: NdisMSetMiniportAttributes 3 failed (%X)!\n", __FUNCTION__, status)); } } if (pContext && status == NDIS_STATUS_SUCCESS) { ParaNdis_DebugRegisterMiniport(pContext, TRUE); } DEBUG_EXIT_STATUS(status ? 0 : 2, status); return status; }