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;
}
