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Summary of Task Offload Support in NDIS 6.0 Filter Drivers

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NDIS 6.0 filter drivers can modify the task offload services that an underlying driver stack reports. You must consider the following issues when you create offload-aware filter drivers:

  • Filter drivers are provided with the offload capabilities of an underlying miniport adapter in the NDIS_FILTER_ATTACH_PARAMETERS structure when they are attached to the driver stack. Filter drivers must handle the NDIS_STATUS_TASK_OFFLOAD_CURRENT_CONFIG status indication to receive updated capabilities.

  • Filter drivers can monitor offload object identifiers (OIDs) and modify the responses of underlying drivers. For more information about NDIS 6.0 offload OIDs, see NDIS 6.0 Task Offload OIDs.

  • NDIS 6.0 filter drivers must not issue OID_TCP_TASK_OFFLOAD OID requests.

For general information about NDIS 6.0 filter drivers, see Introduction to NDIS Filter Drivers.