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radiotap: Update radiotap parser

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Update the radiotap parser to the latest version of the
http://git.sipsolutions.net/radiotap.git/ library.

Signed-off-by: Jouni Malinen <j@w1.fi>
master
Jouni Malinen 3 years ago
parent 136bbf15c3
commit e6ac269433
2 changed files with 163 additions and 254 deletions
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10
src/utils/radiotap.c
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@ -8,10 +8,8 @@
* it under the terms of the GNU General Public License version 2 as * it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation. * published by the Free Software Foundation.
* *
* Alternatively, this software may be distributed under the terms of BSD * Alternatively, this software may be distributed under the terms of ISC
* license. * license, see COPYING for more details.
*
* See COPYING for more details.
*/ */
#include "platform.h" #include "platform.h"
#include "radiotap_iter.h" #include "radiotap_iter.h"
@ -39,6 +37,8 @@ static const struct radiotap_align_size rtap_namespace_sizes[] = {
[IEEE80211_RADIOTAP_DATA_RETRIES] = { .align = 1, .size = 1, }, [IEEE80211_RADIOTAP_DATA_RETRIES] = { .align = 1, .size = 1, },
[IEEE80211_RADIOTAP_MCS] = { .align = 1, .size = 3, }, [IEEE80211_RADIOTAP_MCS] = { .align = 1, .size = 3, },
[IEEE80211_RADIOTAP_AMPDU_STATUS] = { .align = 4, .size = 8, }, [IEEE80211_RADIOTAP_AMPDU_STATUS] = { .align = 4, .size = 8, },
[IEEE80211_RADIOTAP_VHT] = { .align = 2, .size = 12, },
[IEEE80211_RADIOTAP_TIMESTAMP] = { .align = 8, .size = 12, },
/* /*
* add more here as they are defined in radiotap.h * add more here as they are defined in radiotap.h
*/ */
@ -222,7 +222,7 @@ static int find_override(struct ieee80211_radiotap_iterator *iterator,
* present fields. @this_arg can be changed by the caller (eg, * present fields. @this_arg can be changed by the caller (eg,
* incremented to move inside a compound argument like * incremented to move inside a compound argument like
* IEEE80211_RADIOTAP_CHANNEL). The args pointed to are in * IEEE80211_RADIOTAP_CHANNEL). The args pointed to are in
* little-endian format whatever the endianess of your CPU. * little-endian format whatever the endianness of your CPU.
* *
* Alignment Gotcha: * Alignment Gotcha:
* You must take care when dereferencing iterator.this_arg * You must take care when dereferencing iterator.this_arg

407
src/utils/radiotap.h
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@ -1,190 +1,51 @@
/*-
* Copyright (c) 2003, 2004 David Young. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of David Young may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID
* YOUNG BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
/* /*
* Modifications to fit into the linux IEEE 802.11 stack, * Copyright (c) 2017 Intel Deutschland GmbH
* Mike Kershaw (dragorn@kismetwireless.net) *
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/ */
#ifndef __RADIOTAP_H
#define __RADIOTAP_H
#ifndef IEEE80211RADIOTAP_H /**
#define IEEE80211RADIOTAP_H * struct ieee82011_radiotap_header - base radiotap header
#include <stdint.h>
/* Base version of the radiotap packet header data */
#define PKTHDR_RADIOTAP_VERSION 0
/* A generic radio capture format is desirable. There is one for
* Linux, but it is neither rigidly defined (there were not even
* units given for some fields) nor easily extensible.
*
* I suggest the following extensible radio capture format. It is
* based on a bitmap indicating which fields are present.
*
* I am trying to describe precisely what the application programmer
* should expect in the following, and for that reason I tell the
* units and origin of each measurement (where it applies), or else I
* use sufficiently weaselly language ("is a monotonically nondecreasing
* function of...") that I cannot set false expectations for lawyerly
* readers.
*/
/* The radio capture header precedes the 802.11 header.
* All data in the header is little endian on all platforms.
*/ */
struct ieee80211_radiotap_header { struct ieee80211_radiotap_header {
uint8_t it_version; /* Version 0. Only increases /**
* for drastic changes, * @it_version: radiotap version, always 0
* introduction of compatible */
* new fields does not count. uint8_t it_version;
*/
/**
* @it_pad: padding (or alignment)
*/
uint8_t it_pad; uint8_t it_pad;
le16 it_len; /* length of the whole
* header in bytes, including
* it_version, it_pad,
* it_len, and data fields.
*/
le32 it_present; /* A bitmap telling which
* fields are present. Set bit 31
* (0x80000000) to extend the
* bitmap by another 32 bits.
* Additional extensions are made
* by setting bit 31.
*/
};
/* Name Data type Units /**
* ---- --------- ----- * @it_len: overall radiotap header length
* */
* IEEE80211_RADIOTAP_TSFT __le64 microseconds le16 it_len;
*
* Value in microseconds of the MAC's 64-bit 802.11 Time /**
* Synchronization Function timer when the first bit of the * @it_present: (first) present word
* MPDU arrived at the MAC. For received frames, only. */
* le32 it_present;
* IEEE80211_RADIOTAP_CHANNEL 2 x uint16_t MHz, bitmap } __packed;
*
* Tx/Rx frequency in MHz, followed by flags (see below). /* version is always 0 */
* #define PKTHDR_RADIOTAP_VERSION 0
* IEEE80211_RADIOTAP_FHSS uint16_t see below
* /* see the radiotap website for the descriptions */
* For frequency-hopping radios, the hop set (first byte) enum ieee80211_radiotap_presence {
* and pattern (second byte).
*
* IEEE80211_RADIOTAP_RATE u8 500kb/s
*
* Tx/Rx data rate
*
* IEEE80211_RADIOTAP_DBM_ANTSIGNAL s8 decibels from
* one milliwatt (dBm)
*
* RF signal power at the antenna, decibel difference from
* one milliwatt.
*
* IEEE80211_RADIOTAP_DBM_ANTNOISE s8 decibels from
* one milliwatt (dBm)
*
* RF noise power at the antenna, decibel difference from one
* milliwatt.
*
* IEEE80211_RADIOTAP_DB_ANTSIGNAL u8 decibel (dB)
*
* RF signal power at the antenna, decibel difference from an
* arbitrary, fixed reference.
*
* IEEE80211_RADIOTAP_DB_ANTNOISE u8 decibel (dB)
*
* RF noise power at the antenna, decibel difference from an
* arbitrary, fixed reference point.
*
* IEEE80211_RADIOTAP_LOCK_QUALITY uint16_t unitless
*
* Quality of Barker code lock. Unitless. Monotonically
* nondecreasing with "better" lock strength. Called "Signal
* Quality" in datasheets. (Is there a standard way to measure
* this?)
*
* IEEE80211_RADIOTAP_TX_ATTENUATION uint16_t unitless
*
* Transmit power expressed as unitless distance from max
* power set at factory calibration. 0 is max power.
* Monotonically nondecreasing with lower power levels.
*
* IEEE80211_RADIOTAP_DB_TX_ATTENUATION uint16_t decibels (dB)
*
* Transmit power expressed as decibel distance from max power
* set at factory calibration. 0 is max power. Monotonically
* nondecreasing with lower power levels.
*
* IEEE80211_RADIOTAP_DBM_TX_POWER s8 decibels from
* one milliwatt (dBm)
*
* Transmit power expressed as dBm (decibels from a 1 milliwatt
* reference). This is the absolute power level measured at
* the antenna port.
*
* IEEE80211_RADIOTAP_FLAGS u8 bitmap
*
* Properties of transmitted and received frames. See flags
* defined below.
*
* IEEE80211_RADIOTAP_ANTENNA u8 antenna index
*
* Unitless indication of the Rx/Tx antenna for this packet.
* The first antenna is antenna 0.
*
* IEEE80211_RADIOTAP_RX_FLAGS uint16_t bitmap
*
* Properties of received frames. See flags defined below.
*
* IEEE80211_RADIOTAP_TX_FLAGS uint16_t bitmap
*
* Properties of transmitted frames. See flags defined below.
*
* IEEE80211_RADIOTAP_RTS_RETRIES u8 data
*
* Number of rts retries a transmitted frame used.
*
* IEEE80211_RADIOTAP_DATA_RETRIES u8 data
*
* Number of unicast retries a transmitted frame used.
*
* IEEE80211_RADIOTAP_MCS u8, u8, u8 unitless
*
* Contains a bitmap of known fields/flags, the flags, and
* the MCS index.
*
* IEEE80211_RADIOTAP_AMPDU_STATUS u32, u16, u8, u8 unitlesss
*
* Contains the AMPDU information for the subframe.
*/
enum ieee80211_radiotap_type {
IEEE80211_RADIOTAP_TSFT = 0, IEEE80211_RADIOTAP_TSFT = 0,
IEEE80211_RADIOTAP_FLAGS = 1, IEEE80211_RADIOTAP_FLAGS = 1,
IEEE80211_RADIOTAP_RATE = 2, IEEE80211_RADIOTAP_RATE = 2,
@ -203,9 +64,11 @@ enum ieee80211_radiotap_type {
IEEE80211_RADIOTAP_TX_FLAGS = 15, IEEE80211_RADIOTAP_TX_FLAGS = 15,
IEEE80211_RADIOTAP_RTS_RETRIES = 16, IEEE80211_RADIOTAP_RTS_RETRIES = 16,
IEEE80211_RADIOTAP_DATA_RETRIES = 17, IEEE80211_RADIOTAP_DATA_RETRIES = 17,
/* 18 is XChannel, but it's not defined yet */
IEEE80211_RADIOTAP_MCS = 19, IEEE80211_RADIOTAP_MCS = 19,
IEEE80211_RADIOTAP_AMPDU_STATUS = 20, IEEE80211_RADIOTAP_AMPDU_STATUS = 20,
IEEE80211_RADIOTAP_VHT = 21,
IEEE80211_RADIOTAP_TIMESTAMP = 22,
/* valid in every it_present bitmap, even vendor namespaces */ /* valid in every it_present bitmap, even vendor namespaces */
IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29, IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
@ -213,79 +76,125 @@ enum ieee80211_radiotap_type {
IEEE80211_RADIOTAP_EXT = 31 IEEE80211_RADIOTAP_EXT = 31
}; };
/* Channel flags. */ /* for IEEE80211_RADIOTAP_FLAGS */
#define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */ enum ieee80211_radiotap_flags {
#define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */ IEEE80211_RADIOTAP_F_CFP = 0x01,
#define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */ IEEE80211_RADIOTAP_F_SHORTPRE = 0x02,
#define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */ IEEE80211_RADIOTAP_F_WEP = 0x04,
#define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */ IEEE80211_RADIOTAP_F_FRAG = 0x08,
#define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */ IEEE80211_RADIOTAP_F_FCS = 0x10,
#define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */ IEEE80211_RADIOTAP_F_DATAPAD = 0x20,
#define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */ IEEE80211_RADIOTAP_F_BADFCS = 0x40,
};
/* for IEEE80211_RADIOTAP_CHANNEL */
enum ieee80211_radiotap_channel_flags {
IEEE80211_CHAN_CCK = 0x0020,
IEEE80211_CHAN_OFDM = 0x0040,
IEEE80211_CHAN_2GHZ = 0x0080,
IEEE80211_CHAN_5GHZ = 0x0100,
IEEE80211_CHAN_DYN = 0x0400,
IEEE80211_CHAN_HALF = 0x4000,
IEEE80211_CHAN_QUARTER = 0x8000,
};
/* for IEEE80211_RADIOTAP_RX_FLAGS */
enum ieee80211_radiotap_rx_flags {
IEEE80211_RADIOTAP_F_RX_BADPLCP = 0x0002,
};
/* for IEEE80211_RADIOTAP_TX_FLAGS */
enum ieee80211_radiotap_tx_flags {
IEEE80211_RADIOTAP_F_TX_FAIL = 0x0001,
IEEE80211_RADIOTAP_F_TX_CTS = 0x0002,
IEEE80211_RADIOTAP_F_TX_RTS = 0x0004,
IEEE80211_RADIOTAP_F_TX_NOACK = 0x0008,
};
/* for IEEE80211_RADIOTAP_MCS "have" flags */
enum ieee80211_radiotap_mcs_have {
IEEE80211_RADIOTAP_MCS_HAVE_BW = 0x01,
IEEE80211_RADIOTAP_MCS_HAVE_MCS = 0x02,
IEEE80211_RADIOTAP_MCS_HAVE_GI = 0x04,
IEEE80211_RADIOTAP_MCS_HAVE_FMT = 0x08,
IEEE80211_RADIOTAP_MCS_HAVE_FEC = 0x10,
IEEE80211_RADIOTAP_MCS_HAVE_STBC = 0x20,
};
/* For IEEE80211_RADIOTAP_FLAGS */ enum ieee80211_radiotap_mcs_flags {
#define IEEE80211_RADIOTAP_F_CFP 0x01 /* sent/received IEEE80211_RADIOTAP_MCS_BW_MASK = 0x03,
* during CFP IEEE80211_RADIOTAP_MCS_BW_20 = 0,
*/ IEEE80211_RADIOTAP_MCS_BW_40 = 1,
#define IEEE80211_RADIOTAP_F_SHORTPRE 0x02 /* sent/received IEEE80211_RADIOTAP_MCS_BW_20L = 2,
* with short IEEE80211_RADIOTAP_MCS_BW_20U = 3,
* preamble
*/ IEEE80211_RADIOTAP_MCS_SGI = 0x04,
#define IEEE80211_RADIOTAP_F_WEP 0x04 /* sent/received IEEE80211_RADIOTAP_MCS_FMT_GF = 0x08,
* with WEP encryption IEEE80211_RADIOTAP_MCS_FEC_LDPC = 0x10,
*/ IEEE80211_RADIOTAP_MCS_STBC_MASK = 0x60,
#define IEEE80211_RADIOTAP_F_FRAG 0x08 /* sent/received IEEE80211_RADIOTAP_MCS_STBC_1 = 1,
* with fragmentation IEEE80211_RADIOTAP_MCS_STBC_2 = 2,
*/ IEEE80211_RADIOTAP_MCS_STBC_3 = 3,
#define IEEE80211_RADIOTAP_F_FCS 0x10 /* frame includes FCS */ IEEE80211_RADIOTAP_MCS_STBC_SHIFT = 5,
#define IEEE80211_RADIOTAP_F_DATAPAD 0x20 /* frame has padding between };
* 802.11 header and payload
* (to 32-bit boundary)
*/
#define IEEE80211_RADIOTAP_F_BADFCS 0x40 /* frame failed FCS check */
/* For IEEE80211_RADIOTAP_RX_FLAGS */ /* for IEEE80211_RADIOTAP_AMPDU_STATUS */
#define IEEE80211_RADIOTAP_F_RX_BADPLCP 0x0002 /* bad PLCP */ enum ieee80211_radiotap_ampdu_flags {
IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN = 0x0001,
IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN = 0x0002,
IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN = 0x0004,
IEEE80211_RADIOTAP_AMPDU_IS_LAST = 0x0008,
IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR = 0x0010,
IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN = 0x0020,
};
/* For IEEE80211_RADIOTAP_TX_FLAGS */ /* for IEEE80211_RADIOTAP_VHT */
#define IEEE80211_RADIOTAP_F_TX_FAIL 0x0001 /* failed due to excessive enum ieee80211_radiotap_vht_known {
* retries */ IEEE80211_RADIOTAP_VHT_KNOWN_STBC = 0x0001,
#define IEEE80211_RADIOTAP_F_TX_CTS 0x0002 /* used cts 'protection' */ IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA = 0x0002,
#define IEEE80211_RADIOTAP_F_TX_RTS 0x0004 /* used rts/cts handshake */ IEEE80211_RADIOTAP_VHT_KNOWN_GI = 0x0004,
#define IEEE80211_RADIOTAP_F_TX_NOACK 0x0008 /* don't expect an ACK */ 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_AMPDU_STATUS */ enum ieee80211_radiotap_vht_flags {
#define IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN 0x0001 IEEE80211_RADIOTAP_VHT_FLAG_STBC = 0x01,
#define IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN 0x0002 IEEE80211_RADIOTAP_VHT_FLAG_TXOP_PS_NA = 0x02,
#define IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN 0x0004 IEEE80211_RADIOTAP_VHT_FLAG_SGI = 0x04,
#define IEEE80211_RADIOTAP_AMPDU_IS_LAST 0x0008 IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9 = 0x08,
#define IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR 0x0010 IEEE80211_RADIOTAP_VHT_FLAG_LDPC_EXTRA_OFDM_SYM = 0x10,
#define IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN 0x0020 IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED = 0x20,
};
/* For IEEE80211_RADIOTAP_MCS */ enum ieee80211_radiotap_vht_coding {
#define IEEE80211_RADIOTAP_MCS_HAVE_BW 0x01 IEEE80211_RADIOTAP_CODING_LDPC_USER0 = 0x01,
#define IEEE80211_RADIOTAP_MCS_HAVE_MCS 0x02 IEEE80211_RADIOTAP_CODING_LDPC_USER1 = 0x02,
#define IEEE80211_RADIOTAP_MCS_HAVE_GI 0x04 IEEE80211_RADIOTAP_CODING_LDPC_USER2 = 0x04,
#define IEEE80211_RADIOTAP_MCS_HAVE_FMT 0x08 IEEE80211_RADIOTAP_CODING_LDPC_USER3 = 0x08,
#define IEEE80211_RADIOTAP_MCS_HAVE_FEC 0x10 };
#define IEEE80211_RADIOTAP_MCS_HAVE_STBC 0x20
#define IEEE80211_RADIOTAP_MCS_HAVE_NESS 0x40
#define IEEE80211_RADIOTAP_MCS_NESS_BIT1 0x80
/* 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,
};
#define IEEE80211_RADIOTAP_MCS_BW_MASK 0x03 enum ieee80211_radiotap_timestamp_flags {
#define IEEE80211_RADIOTAP_MCS_BW_20 0 IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT = 0x00,
#define IEEE80211_RADIOTAP_MCS_BW_40 1 IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT = 0x01,
#define IEEE80211_RADIOTAP_MCS_BW_20L 2 IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY = 0x02,
#define IEEE80211_RADIOTAP_MCS_BW_20U 3 };
#define IEEE80211_RADIOTAP_MCS_SGI 0x04
#define IEEE80211_RADIOTAP_MCS_FMT_GF 0x08
#define IEEE80211_RADIOTAP_MCS_FEC_LDPC 0x10
#define IEEE80211_RADIOTAP_MCS_STBC_MASK 0x60
#define IEEE80211_RADIOTAP_MCS_STBC_SHIFT 5
#define IEEE80211_RADIOTAP_MCS_STBC_1 1
#define IEEE80211_RADIOTAP_MCS_STBC_2 2
#define IEEE80211_RADIOTAP_MCS_STBC_3 3
#define IEEE80211_RADIOTAP_MCS_NESS_BIT0 0x80
#endif /* IEEE80211_RADIOTAP_H */ #endif /* __RADIOTAP_H */

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