// netadapter.h

typedef enum _NET_MEMORY_MAPPING_REQUIREMENT {
  NetMemoryMappingRequirementNone = 0,
  NetMemoryMappingRequirementDmaMapped = 1
} NET_MEMORY_MAPPING_REQUIREMENT;
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Windows Driver Kit DDI reference (ne-netadapter-_net_memory_mapping_requirement)

_NET_MEMORY_MAPPING_REQUIREMENT enumeration

Description

The NET_MEMORY_MAPPING_REQUIREMENT enumeration identifies the memory mapping requirement that a net adapter can specify for its receive and transmit buffers.

Constants

`NetMemoryMappingRequirementNone:0`

The adapter does not require memory mapping.

`NetMemoryMappingRequirementDmaMapped:1`

The adapter requires DMA mapping for mapping receive or transmit buffers.

NET_MEMORY_MAPPING_REQUIREMENT - NtDoc