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Radiotap

Introduction | defined fields | suggested fields | rejected fields

RX flags

Bit Number
14
Structure
u16
Required Alignment
2
Unit
bitmap

Properties of received frames.

The following flags are currently defined:

mask meaning
0x0001 reserved (was FCS failed but this is a regular flag)
0x0002 PLCP CRC check failed
0xfffc reserved for future expansion

Notes

This field originates from NetBSD and is also used like this in Linux.

Use bit 0x40 in the flags field to indicate FCS CRC failed.