Ipv4 checksum offload3/19/2023 The following table describes the granular keywords that you can use to configure offload services. IPsecOV2 provides support for additional crypto-algorithms, IPv6, and co-existence with large send offload version 2 (LSOv2).ĭescribes whether the device enabled or disabled IPsecOV2 for IPv4 only. The granular keywords are defined as follows: Keywordĭescribes whether the device enabled or disabled the calculation of IPv4 checksums.ĭescribes whether the device enabled or disabled the calculation of TCP Checksum over IPv4 packets.ĭescribes whether the device enabled or disabled the calculation of TCP checksum over IPv6 packets.ĭescribes whether the device enabled or disabled the calculation of UDP Checksum over IPv4 packets.ĭescribes whether the device enabled or disabled the calculation of UDP Checksum over IPv6 packets.ĭescribes whether the device enabled or disabled the segmentation of large TCP packets over IPv4 for large send offload version 1 (LSOv1).ĭescribes whether the device enabled or disabled the segmentation of large TCP packets over IPv4 for large send offload version 2 (LSOv2).ĭescribes whether the device enabled or disabled the segmentation of large TCP packets over IPv6 for large send offload version 2 (LSOv2).ĭescribes whether the device enabled or disabled the calculation of IPsec headers over IPv4.ĭescribes whether the device enabled or disabled IPsec offload version 2 (IPsecOV2). Grouped keywords provide combined keywords capability at the transport layer. Granular keywords provide keywords per offload capability-Transport Layer differentiation, IP protocol differentiation. Task offload keywords belong to one of two groups: granular keywords or grouped keywords. For more information about standardized keywords, see Standardized INF Keywords for Network Devices. There are standardized keywords that you can define in INF files and in the registry. When you debug a driver's task offload functionality, you might find it useful to enable or disable task offload services with a registry key setting.
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