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I followd this article to query URO state with wmi
Using this script in windows powershell:
$NDIS_WMI_METHOD_HEADER_REVISION_1 = 1
$NDIS_WMI_OBJECT_TYPE_METHOD = 0x02
$NDIS_SIZEOF_WMI_METHOD_HEADER_REVISION_1 = 0xffff
function Get-NdisObjectHeader
{
param(
$revision = $NDIS_WMI_METHOD_HEADER_REVISION_1,
$type = $NDIS_WMI_OBJECT_TYPE_METHOD,
$size = $NDIS_SIZEOF_WMI_METHOD_HEADER_REVISION_1
)
$hdr = ([wmiclass]'root\wmi:MSNdis_ObjectHeader').CreateInstance()
$hdr.Revision = $revision
$hdr.Type = $type
$hdr.Size = $size
return $hdr
}
function Get-NdisWmiHeader
{
param($timeout = 5)
$whdr = ([wmiclass]'root\wmi:MSNdis_WmiMethodHeader').CreateInstance()
$whdr.Header = Get-NdisObjectHeader
$whdr.PortNumber = 0
$whdr.NetLuid = 0
$whdr.Padding = 0
$whdr.RequestId = 0
$whdr.Timeout = $timeout
return $whdr
}
$whdr = Get-NdisWmiHeader
$r = Get-WmiObject -Class MSNdis_TcpOffloadCurrentConfig -Namespace "root\WMI"
$x=$r[3].WmiQueryCurrentOffloadConfig($whdr)
PS C:\Windows\System32> $x.Offload
__GENUS : 2
__CLASS : MSNdis_WmiOffload
__SUPERCLASS : MSNdis
__DYNASTY : MSNdis
__RELPATH :
__PROPERTY_COUNT : 6
__DERIVATION : {MSNdis}
__SERVER :
__NAMESPACE :
__PATH :
Checksum : System.Management.ManagementBaseObject
Flags : 0
Header : System.Management.ManagementBaseObject
IPsecV1 : System.Management.ManagementBaseObject
LsoV1 : System.Management.ManagementBaseObject
LsoV2 : System.Management.ManagementBaseObject
PSComputerName :
The result returned by wmi does not include the field UdpRsc in NDIS_OFFLOAD
typedef struct _NDIS_OFFLOAD {
NDIS_OBJECT_HEADER Header;
NDIS_TCP_IP_CHECKSUM_OFFLOAD Checksum;
NDIS_TCP_LARGE_SEND_OFFLOAD_V1 LsoV1;
NDIS_IPSEC_OFFLOAD_V1 IPsecV1;
NDIS_TCP_LARGE_SEND_OFFLOAD_V2 LsoV2;
ULONG Flags;
NDIS_IPSEC_OFFLOAD_V2 IPsecV2;
NDIS_TCP_RECV_SEG_COALESCE_OFFLOAD Rsc;
NDIS_ENCAPSULATED_PACKET_TASK_OFFLOAD EncapsulatedPacketTaskOffloadGre;
NDIS_ENCAPSULATED_PACKET_TASK_OFFLOAD_V2 EncapsulatedPacketTaskOffloadVxlan;
UCHAR EncapsulationTypes;
NDIS_RFC6877_464XLAT_OFFLOAD Rfc6877Xlat;
NDIS_UDP_SEGMENTATION_OFFLOAD UdpSegmentation;
NDIS_UDP_RSC_OFFLOAD UdpRsc;
} NDIS_OFFLOAD, *PNDIS_OFFLOAD;
and looks like missing many fields, such IPsecV2,Rsc,EncapsulatedPacketTaskOffloadGre .
How can I get the udpRsc field and my windows os version is 24h2
I followd this article to query URO state with wmi
Using this script in windows powershell:
$NDIS_WMI_METHOD_HEADER_REVISION_1 = 1
$NDIS_WMI_OBJECT_TYPE_METHOD = 0x02
$NDIS_SIZEOF_WMI_METHOD_HEADER_REVISION_1 = 0xffff
function Get-NdisObjectHeader
{
param(
$revision = $NDIS_WMI_METHOD_HEADER_REVISION_1,
$type = $NDIS_WMI_OBJECT_TYPE_METHOD,
$size = $NDIS_SIZEOF_WMI_METHOD_HEADER_REVISION_1
)
$hdr = ([wmiclass]'root\wmi:MSNdis_ObjectHeader').CreateInstance()
$hdr.Revision = $revision
$hdr.Type = $type
$hdr.Size = $size
return $hdr
}
function Get-NdisWmiHeader
{
param($timeout = 5)
$whdr = ([wmiclass]'root\wmi:MSNdis_WmiMethodHeader').CreateInstance()
$whdr.Header = Get-NdisObjectHeader
$whdr.PortNumber = 0
$whdr.NetLuid = 0
$whdr.Padding = 0
$whdr.RequestId = 0
$whdr.Timeout = $timeout
return $whdr
}
$whdr = Get-NdisWmiHeader
$r = Get-WmiObject -Class MSNdis_TcpOffloadCurrentConfig -Namespace "root\WMI"
$x=$r[3].WmiQueryCurrentOffloadConfig($whdr)
PS C:\Windows\System32> $x.Offload
__GENUS : 2
__CLASS : MSNdis_WmiOffload
__SUPERCLASS : MSNdis
__DYNASTY : MSNdis
__RELPATH :
__PROPERTY_COUNT : 6
__DERIVATION : {MSNdis}
__SERVER :
__NAMESPACE :
__PATH :
Checksum : System.Management.ManagementBaseObject
Flags : 0
Header : System.Management.ManagementBaseObject
IPsecV1 : System.Management.ManagementBaseObject
LsoV1 : System.Management.ManagementBaseObject
LsoV2 : System.Management.ManagementBaseObject
PSComputerName :
The result returned by wmi does not include the field UdpRsc in NDIS_OFFLOAD
typedef struct _NDIS_OFFLOAD {
NDIS_OBJECT_HEADER Header;
NDIS_TCP_IP_CHECKSUM_OFFLOAD Checksum;
NDIS_TCP_LARGE_SEND_OFFLOAD_V1 LsoV1;
NDIS_IPSEC_OFFLOAD_V1 IPsecV1;
NDIS_TCP_LARGE_SEND_OFFLOAD_V2 LsoV2;
ULONG Flags;
NDIS_IPSEC_OFFLOAD_V2 IPsecV2;
NDIS_TCP_RECV_SEG_COALESCE_OFFLOAD Rsc;
NDIS_ENCAPSULATED_PACKET_TASK_OFFLOAD EncapsulatedPacketTaskOffloadGre;
NDIS_ENCAPSULATED_PACKET_TASK_OFFLOAD_V2 EncapsulatedPacketTaskOffloadVxlan;
UCHAR EncapsulationTypes;
NDIS_RFC6877_464XLAT_OFFLOAD Rfc6877Xlat;
NDIS_UDP_SEGMENTATION_OFFLOAD UdpSegmentation;
NDIS_UDP_RSC_OFFLOAD UdpRsc;
} NDIS_OFFLOAD, *PNDIS_OFFLOAD;
and looks like missing many fields, such IPsecV2,Rsc,EncapsulatedPacketTaskOffloadGre .
How can I get the udpRsc field and my windows os version is 24h2
本文标签： windowsWhy is the data returned by WMI not same as the structrue in NDISOFFLOADStack Overflow
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