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Easier-to-Write Filter Drivers

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NDIS 6.0 filter drivers are easier to write than the previous NDIS filter intermediate drivers.

When compared to filter intermediate drivers, filter drivers provide the following implementation advantages:

  • Filter drivers do not include a complete miniport driver interface and a complete protocol driver interfaces.

  • Filter drivers do not create and manage a virtual device. There is no virtual miniport in a filter driver.

  • If a filter driver filters specific services, the driver can bypass other services. The driver does not require code for services that are bypassed. For example, if a filter driver filters OID requests but does not filter send and receive operations, the filter driver does not require send and receive entry points.

For more information about NDIS 6.0 filter drivers, see NDIS 6.0 Filter Drivers.