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wireless: radiotap: rewrite the radiotap header file
The header file has grown a lot of #define's etc, but they are nicer as enums, so rewrite the file from the documentation as such. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
parent
1331b62c97
commit
42f82e2e62
@ -1,201 +1,54 @@
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/*
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* Copyright (c) 2003, 2004 David Young. All rights reserved.
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* Copyright (c) 2017 Intel Deutschland GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of David Young may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID
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* YOUNG BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __RADIOTAP_H
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#define __RADIOTAP_H
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/*
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* Modifications to fit into the linux IEEE 802.11 stack,
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* Mike Kershaw (dragorn@kismetwireless.net)
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*/
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#ifndef IEEE80211RADIOTAP_H
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#define IEEE80211RADIOTAP_H
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#include <linux/if_ether.h>
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#include <linux/kernel.h>
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#include <asm/unaligned.h>
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/* Base version of the radiotap packet header data */
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#define PKTHDR_RADIOTAP_VERSION 0
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/* A generic radio capture format is desirable. There is one for
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* Linux, but it is neither rigidly defined (there were not even
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* units given for some fields) nor easily extensible.
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*
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* I suggest the following extensible radio capture format. It is
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* based on a bitmap indicating which fields are present.
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*
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* I am trying to describe precisely what the application programmer
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* should expect in the following, and for that reason I tell the
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* units and origin of each measurement (where it applies), or else I
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* use sufficiently weaselly language ("is a monotonically nondecreasing
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* function of...") that I cannot set false expectations for lawyerly
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* readers.
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*/
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/*
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* The radio capture header precedes the 802.11 header.
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* All data in the header is little endian on all platforms.
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/**
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* struct ieee82011_radiotap_header - base radiotap header
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*/
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struct ieee80211_radiotap_header {
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u8 it_version; /* Version 0. Only increases
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* for drastic changes,
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* introduction of compatible
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* new fields does not count.
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*/
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u8 it_pad;
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__le16 it_len; /* length of the whole
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* header in bytes, including
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* it_version, it_pad,
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* it_len, and data fields.
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*/
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__le32 it_present; /* A bitmap telling which
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* fields are present. Set bit 31
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* (0x80000000) to extend the
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* bitmap by another 32 bits.
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* Additional extensions are made
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* by setting bit 31.
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*/
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/**
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* @it_version: radiotap version, always 0
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*/
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uint8_t it_version;
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/**
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* @it_pad: padding (or alignment)
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*/
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uint8_t it_pad;
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/**
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* @it_len: overall radiotap header length
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*/
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__le16 it_len;
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/**
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* @it_present: (first) present word
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*/
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__le32 it_present;
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} __packed;
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/* Name Data type Units
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* ---- --------- -----
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*
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* IEEE80211_RADIOTAP_TSFT __le64 microseconds
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*
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* Value in microseconds of the MAC's 64-bit 802.11 Time
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* Synchronization Function timer when the first bit of the
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* MPDU arrived at the MAC. For received frames, only.
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*
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* IEEE80211_RADIOTAP_CHANNEL 2 x __le16 MHz, bitmap
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*
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* Tx/Rx frequency in MHz, followed by flags (see below).
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*
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* IEEE80211_RADIOTAP_FHSS __le16 see below
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*
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* For frequency-hopping radios, the hop set (first byte)
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* and pattern (second byte).
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*
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* IEEE80211_RADIOTAP_RATE u8 500kb/s
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*
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* Tx/Rx data rate
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*
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* IEEE80211_RADIOTAP_DBM_ANTSIGNAL s8 decibels from
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* one milliwatt (dBm)
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*
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* RF signal power at the antenna, decibel difference from
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* one milliwatt.
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*
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* IEEE80211_RADIOTAP_DBM_ANTNOISE s8 decibels from
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* one milliwatt (dBm)
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*
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* RF noise power at the antenna, decibel difference from one
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* milliwatt.
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*
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* IEEE80211_RADIOTAP_DB_ANTSIGNAL u8 decibel (dB)
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*
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* RF signal power at the antenna, decibel difference from an
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* arbitrary, fixed reference.
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*
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* IEEE80211_RADIOTAP_DB_ANTNOISE u8 decibel (dB)
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*
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* RF noise power at the antenna, decibel difference from an
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* arbitrary, fixed reference point.
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*
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* IEEE80211_RADIOTAP_LOCK_QUALITY __le16 unitless
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*
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* Quality of Barker code lock. Unitless. Monotonically
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* nondecreasing with "better" lock strength. Called "Signal
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* Quality" in datasheets. (Is there a standard way to measure
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* this?)
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*
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* IEEE80211_RADIOTAP_TX_ATTENUATION __le16 unitless
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*
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* Transmit power expressed as unitless distance from max
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* power set at factory calibration. 0 is max power.
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* Monotonically nondecreasing with lower power levels.
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*
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* IEEE80211_RADIOTAP_DB_TX_ATTENUATION __le16 decibels (dB)
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*
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* Transmit power expressed as decibel distance from max power
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* set at factory calibration. 0 is max power. Monotonically
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* nondecreasing with lower power levels.
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*
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* IEEE80211_RADIOTAP_DBM_TX_POWER s8 decibels from
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* one milliwatt (dBm)
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*
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* Transmit power expressed as dBm (decibels from a 1 milliwatt
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* reference). This is the absolute power level measured at
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* the antenna port.
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*
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* IEEE80211_RADIOTAP_FLAGS u8 bitmap
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*
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* Properties of transmitted and received frames. See flags
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* defined below.
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*
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* IEEE80211_RADIOTAP_ANTENNA u8 antenna index
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*
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* Unitless indication of the Rx/Tx antenna for this packet.
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* The first antenna is antenna 0.
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*
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* IEEE80211_RADIOTAP_RX_FLAGS __le16 bitmap
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*
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* Properties of received frames. See flags defined below.
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*
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* IEEE80211_RADIOTAP_TX_FLAGS __le16 bitmap
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*
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* Properties of transmitted frames. See flags defined below.
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*
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* IEEE80211_RADIOTAP_RTS_RETRIES u8 data
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*
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* Number of rts retries a transmitted frame used.
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*
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* IEEE80211_RADIOTAP_DATA_RETRIES u8 data
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*
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* Number of unicast retries a transmitted frame used.
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*
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* IEEE80211_RADIOTAP_MCS u8, u8, u8 unitless
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*
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* Contains a bitmap of known fields/flags, the flags, and
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* the MCS index.
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*
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* IEEE80211_RADIOTAP_AMPDU_STATUS u32, u16, u8, u8 unitless
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*
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* Contains the AMPDU information for the subframe.
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*
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* IEEE80211_RADIOTAP_VHT u16, u8, u8, u8[4], u8, u8, u16
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*
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* Contains VHT information about this frame.
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*
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* IEEE80211_RADIOTAP_TIMESTAMP u64, u16, u8, u8 variable
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*
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* Contains timestamp information for this frame.
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*/
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enum ieee80211_radiotap_type {
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/* version is always 0 */
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#define PKTHDR_RADIOTAP_VERSION 0
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/* see the radiotap website for the descriptions */
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enum ieee80211_radiotap_presence {
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IEEE80211_RADIOTAP_TSFT = 0,
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IEEE80211_RADIOTAP_FLAGS = 1,
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IEEE80211_RADIOTAP_RATE = 2,
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@ -214,7 +67,7 @@ enum ieee80211_radiotap_type {
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IEEE80211_RADIOTAP_TX_FLAGS = 15,
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IEEE80211_RADIOTAP_RTS_RETRIES = 16,
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IEEE80211_RADIOTAP_DATA_RETRIES = 17,
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/* 18 is XChannel, but it's not defined yet */
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IEEE80211_RADIOTAP_MCS = 19,
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IEEE80211_RADIOTAP_AMPDU_STATUS = 20,
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IEEE80211_RADIOTAP_VHT = 21,
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@ -226,129 +79,135 @@ enum ieee80211_radiotap_type {
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IEEE80211_RADIOTAP_EXT = 31
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};
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/* Channel flags. */
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#define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */
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#define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */
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#define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */
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#define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */
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#define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */
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#define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */
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#define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */
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#define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */
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#define IEEE80211_CHAN_GSM 0x1000 /* GSM (900 MHz) */
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#define IEEE80211_CHAN_STURBO 0x2000 /* Static Turbo */
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#define IEEE80211_CHAN_HALF 0x4000 /* Half channel (10 MHz wide) */
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#define IEEE80211_CHAN_QUARTER 0x8000 /* Quarter channel (5 MHz wide) */
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/* for IEEE80211_RADIOTAP_FLAGS */
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enum ieee80211_radiotap_flags {
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IEEE80211_RADIOTAP_F_CFP = 0x01,
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IEEE80211_RADIOTAP_F_SHORTPRE = 0x02,
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IEEE80211_RADIOTAP_F_WEP = 0x04,
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IEEE80211_RADIOTAP_F_FRAG = 0x08,
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IEEE80211_RADIOTAP_F_FCS = 0x10,
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IEEE80211_RADIOTAP_F_DATAPAD = 0x20,
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IEEE80211_RADIOTAP_F_BADFCS = 0x40,
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};
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/* For IEEE80211_RADIOTAP_FLAGS */
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#define IEEE80211_RADIOTAP_F_CFP 0x01 /* sent/received
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* during CFP
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*/
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#define IEEE80211_RADIOTAP_F_SHORTPRE 0x02 /* sent/received
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* with short
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* preamble
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*/
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#define IEEE80211_RADIOTAP_F_WEP 0x04 /* sent/received
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* with WEP encryption
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*/
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#define IEEE80211_RADIOTAP_F_FRAG 0x08 /* sent/received
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* with fragmentation
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*/
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#define IEEE80211_RADIOTAP_F_FCS 0x10 /* frame includes FCS */
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#define IEEE80211_RADIOTAP_F_DATAPAD 0x20 /* frame has padding between
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* 802.11 header and payload
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* (to 32-bit boundary)
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*/
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#define IEEE80211_RADIOTAP_F_BADFCS 0x40 /* bad FCS */
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/* for IEEE80211_RADIOTAP_CHANNEL */
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enum ieee80211_radiotap_channel_flags {
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IEEE80211_CHAN_CCK = 0x0020,
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IEEE80211_CHAN_OFDM = 0x0040,
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IEEE80211_CHAN_2GHZ = 0x0080,
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IEEE80211_CHAN_5GHZ = 0x0100,
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IEEE80211_CHAN_DYN = 0x0400,
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IEEE80211_CHAN_HALF = 0x4000,
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IEEE80211_CHAN_QUARTER = 0x8000,
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};
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/* For IEEE80211_RADIOTAP_RX_FLAGS */
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#define IEEE80211_RADIOTAP_F_RX_BADPLCP 0x0002 /* frame has bad PLCP */
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/* for IEEE80211_RADIOTAP_RX_FLAGS */
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enum ieee80211_radiotap_rx_flags {
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IEEE80211_RADIOTAP_F_RX_BADPLCP = 0x0002,
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};
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/* For IEEE80211_RADIOTAP_TX_FLAGS */
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#define IEEE80211_RADIOTAP_F_TX_FAIL 0x0001 /* failed due to excessive
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* retries */
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#define IEEE80211_RADIOTAP_F_TX_CTS 0x0002 /* used cts 'protection' */
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#define IEEE80211_RADIOTAP_F_TX_RTS 0x0004 /* used rts/cts handshake */
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#define IEEE80211_RADIOTAP_F_TX_NOACK 0x0008 /* don't expect an ack */
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/* for IEEE80211_RADIOTAP_TX_FLAGS */
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enum ieee80211_radiotap_tx_flags {
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IEEE80211_RADIOTAP_F_TX_FAIL = 0x0001,
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IEEE80211_RADIOTAP_F_TX_CTS = 0x0002,
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IEEE80211_RADIOTAP_F_TX_RTS = 0x0004,
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IEEE80211_RADIOTAP_F_TX_NOACK = 0x0008,
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};
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/* for IEEE80211_RADIOTAP_MCS "have" flags */
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enum ieee80211_radiotap_mcs_have {
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IEEE80211_RADIOTAP_MCS_HAVE_BW = 0x01,
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IEEE80211_RADIOTAP_MCS_HAVE_MCS = 0x02,
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IEEE80211_RADIOTAP_MCS_HAVE_GI = 0x04,
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IEEE80211_RADIOTAP_MCS_HAVE_FMT = 0x08,
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IEEE80211_RADIOTAP_MCS_HAVE_FEC = 0x10,
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IEEE80211_RADIOTAP_MCS_HAVE_STBC = 0x20,
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};
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/* For IEEE80211_RADIOTAP_MCS */
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#define IEEE80211_RADIOTAP_MCS_HAVE_BW 0x01
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#define IEEE80211_RADIOTAP_MCS_HAVE_MCS 0x02
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#define IEEE80211_RADIOTAP_MCS_HAVE_GI 0x04
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#define IEEE80211_RADIOTAP_MCS_HAVE_FMT 0x08
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#define IEEE80211_RADIOTAP_MCS_HAVE_FEC 0x10
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#define IEEE80211_RADIOTAP_MCS_HAVE_STBC 0x20
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enum ieee80211_radiotap_mcs_flags {
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IEEE80211_RADIOTAP_MCS_BW_MASK = 0x03,
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IEEE80211_RADIOTAP_MCS_BW_20 = 0,
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IEEE80211_RADIOTAP_MCS_BW_40 = 1,
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IEEE80211_RADIOTAP_MCS_BW_20L = 2,
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IEEE80211_RADIOTAP_MCS_BW_20U = 3,
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#define IEEE80211_RADIOTAP_MCS_BW_MASK 0x03
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#define IEEE80211_RADIOTAP_MCS_BW_20 0
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#define IEEE80211_RADIOTAP_MCS_BW_40 1
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#define IEEE80211_RADIOTAP_MCS_BW_20L 2
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#define IEEE80211_RADIOTAP_MCS_BW_20U 3
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#define IEEE80211_RADIOTAP_MCS_SGI 0x04
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#define IEEE80211_RADIOTAP_MCS_FMT_GF 0x08
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#define IEEE80211_RADIOTAP_MCS_FEC_LDPC 0x10
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#define IEEE80211_RADIOTAP_MCS_STBC_MASK 0x60
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#define IEEE80211_RADIOTAP_MCS_STBC_1 1
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#define IEEE80211_RADIOTAP_MCS_STBC_2 2
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#define IEEE80211_RADIOTAP_MCS_STBC_3 3
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IEEE80211_RADIOTAP_MCS_SGI = 0x04,
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IEEE80211_RADIOTAP_MCS_FMT_GF = 0x08,
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IEEE80211_RADIOTAP_MCS_FEC_LDPC = 0x10,
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IEEE80211_RADIOTAP_MCS_STBC_MASK = 0x60,
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IEEE80211_RADIOTAP_MCS_STBC_1 = 1,
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IEEE80211_RADIOTAP_MCS_STBC_2 = 2,
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IEEE80211_RADIOTAP_MCS_STBC_3 = 3,
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IEEE80211_RADIOTAP_MCS_STBC_SHIFT = 5,
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};
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#define IEEE80211_RADIOTAP_MCS_STBC_SHIFT 5
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/* for IEEE80211_RADIOTAP_AMPDU_STATUS */
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enum ieee80211_radiotap_ampdu_flags {
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IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN = 0x0001,
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IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN = 0x0002,
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IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN = 0x0004,
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IEEE80211_RADIOTAP_AMPDU_IS_LAST = 0x0008,
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IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR = 0x0010,
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IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN = 0x0020,
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};
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/* For IEEE80211_RADIOTAP_AMPDU_STATUS */
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#define IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN 0x0001
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#define IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN 0x0002
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#define IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN 0x0004
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#define IEEE80211_RADIOTAP_AMPDU_IS_LAST 0x0008
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#define IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR 0x0010
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#define IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN 0x0020
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/* for IEEE80211_RADIOTAP_VHT */
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enum ieee80211_radiotap_vht_known {
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IEEE80211_RADIOTAP_VHT_KNOWN_STBC = 0x0001,
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IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA = 0x0002,
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IEEE80211_RADIOTAP_VHT_KNOWN_GI = 0x0004,
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IEEE80211_RADIOTAP_VHT_KNOWN_SGI_NSYM_DIS = 0x0008,
|
||||
IEEE80211_RADIOTAP_VHT_KNOWN_LDPC_EXTRA_OFDM_SYM = 0x0010,
|
||||
IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED = 0x0020,
|
||||
IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH = 0x0040,
|
||||
IEEE80211_RADIOTAP_VHT_KNOWN_GROUP_ID = 0x0080,
|
||||
IEEE80211_RADIOTAP_VHT_KNOWN_PARTIAL_AID = 0x0100,
|
||||
};
|
||||
|
||||
/* For IEEE80211_RADIOTAP_VHT */
|
||||
#define IEEE80211_RADIOTAP_VHT_KNOWN_STBC 0x0001
|
||||
#define IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA 0x0002
|
||||
#define IEEE80211_RADIOTAP_VHT_KNOWN_GI 0x0004
|
||||
#define IEEE80211_RADIOTAP_VHT_KNOWN_SGI_NSYM_DIS 0x0008
|
||||
#define IEEE80211_RADIOTAP_VHT_KNOWN_LDPC_EXTRA_OFDM_SYM 0x0010
|
||||
#define IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED 0x0020
|
||||
#define IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH 0x0040
|
||||
#define IEEE80211_RADIOTAP_VHT_KNOWN_GROUP_ID 0x0080
|
||||
#define IEEE80211_RADIOTAP_VHT_KNOWN_PARTIAL_AID 0x0100
|
||||
enum ieee80211_radiotap_vht_flags {
|
||||
IEEE80211_RADIOTAP_VHT_FLAG_STBC = 0x01,
|
||||
IEEE80211_RADIOTAP_VHT_FLAG_TXOP_PS_NA = 0x02,
|
||||
IEEE80211_RADIOTAP_VHT_FLAG_SGI = 0x04,
|
||||
IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9 = 0x08,
|
||||
IEEE80211_RADIOTAP_VHT_FLAG_LDPC_EXTRA_OFDM_SYM = 0x10,
|
||||
IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED = 0x20,
|
||||
};
|
||||
|
||||
#define IEEE80211_RADIOTAP_VHT_FLAG_STBC 0x01
|
||||
#define IEEE80211_RADIOTAP_VHT_FLAG_TXOP_PS_NA 0x02
|
||||
#define IEEE80211_RADIOTAP_VHT_FLAG_SGI 0x04
|
||||
#define IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9 0x08
|
||||
#define IEEE80211_RADIOTAP_VHT_FLAG_LDPC_EXTRA_OFDM_SYM 0x10
|
||||
#define IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED 0x20
|
||||
enum ieee80211_radiotap_vht_coding {
|
||||
IEEE80211_RADIOTAP_CODING_LDPC_USER0 = 0x01,
|
||||
IEEE80211_RADIOTAP_CODING_LDPC_USER1 = 0x02,
|
||||
IEEE80211_RADIOTAP_CODING_LDPC_USER2 = 0x04,
|
||||
IEEE80211_RADIOTAP_CODING_LDPC_USER3 = 0x08,
|
||||
};
|
||||
|
||||
#define IEEE80211_RADIOTAP_CODING_LDPC_USER0 0x01
|
||||
#define IEEE80211_RADIOTAP_CODING_LDPC_USER1 0x02
|
||||
#define IEEE80211_RADIOTAP_CODING_LDPC_USER2 0x04
|
||||
#define IEEE80211_RADIOTAP_CODING_LDPC_USER3 0x08
|
||||
/* for IEEE80211_RADIOTAP_TIMESTAMP */
|
||||
enum ieee80211_radiotap_timestamp_unit_spos {
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MASK = 0x000F,
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MS = 0x0000,
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US = 0x0001,
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_NS = 0x0003,
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_MASK = 0x00F0,
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_BEGIN_MDPU = 0x0000,
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ = 0x0010,
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_PPDU = 0x0020,
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_MPDU = 0x0030,
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_UNKNOWN = 0x00F0,
|
||||
};
|
||||
|
||||
/* For IEEE80211_RADIOTAP_TIMESTAMP */
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MASK 0x000F
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MS 0x0000
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US 0x0001
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_UNIT_NS 0x0003
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_SPOS_MASK 0x00F0
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_SPOS_BEGIN_MDPU 0x0000
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ 0x0010
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_PPDU 0x0020
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_MPDU 0x0030
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_SPOS_UNKNOWN 0x00F0
|
||||
enum ieee80211_radiotap_timestamp_flags {
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT = 0x00,
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT = 0x01,
|
||||
IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY = 0x02,
|
||||
};
|
||||
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT 0x00
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT 0x01
|
||||
#define IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY 0x02
|
||||
|
||||
/* helpers */
|
||||
static inline int ieee80211_get_radiotap_len(unsigned char *data)
|
||||
/**
|
||||
* ieee80211_get_radiotap_len - get radiotap header length
|
||||
*/
|
||||
static inline u16 ieee80211_get_radiotap_len(const char *data)
|
||||
{
|
||||
struct ieee80211_radiotap_header *hdr =
|
||||
(struct ieee80211_radiotap_header *)data;
|
||||
struct ieee80211_radiotap_header *hdr = (void *)data;
|
||||
|
||||
return get_unaligned_le16(&hdr->it_len);
|
||||
}
|
||||
|
||||
#endif /* IEEE80211_RADIOTAP_H */
|
||||
#endif /* __RADIOTAP_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user