// nblaccessors.h

#define NET_BUFFER_CHECKSUM_BIAS(_NB) ((_NB)->ChecksumBias)
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Windows Driver Kit DDI reference (nf-nblaccessors-net_buffer_checksum_bias)

NET_BUFFER_CHECKSUM_BIAS macro

Description

NET_BUFFER_CHECKSUM_BIAS is a macro that NDIS drivers use to get the ChecksumBias member of a NET_BUFFER structure.

Syntax

#define NET_BUFFER_CHECKSUM_BIAS(_NB) ((_NB)->ChecksumBias)

Parameters

`_NB`

A pointer to a NET_BUFFER structure.

Return value

NET_BUFFER_CHECKSUM_BIAS returns the value of the ChecksumBias member of the indicated NET_BUFFER structure.

Remarks

The return value specifies the number of bytes of data to skip over at the beginning of the data buffer when computing a checksum. This value is used by the TCP/IP protocol.

NET_BUFFER_CHECKSUM_BIAS - NtDoc