include/net/ieee80211_radiotap.h - linux - Git at Google

 /*
  * Copyright (c) 2017		Intel Deutschland GmbH
  *
  * 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

 #include <linux/kernel.h>
 #include <asm/unaligned.h>

 /**
  * struct ieee82011_radiotap_header - base radiotap header
  */
 struct ieee80211_radiotap_header {
 	/**
 	 * @it_version: radiotap version, always 0
 	 */
 	uint8_t it_version;

 	/**
 	 * @it_pad: padding (or alignment)
 	 */
 	uint8_t it_pad;

 	/**
 	 * @it_len: overall radiotap header length
 	 */
 	__le16 it_len;

 	/**
 	 * @it_present: (first) present word
 	 */
 	__le32 it_present;
 } __packed;

 /* version is always 0 */
 #define PKTHDR_RADIOTAP_VERSION	0

 /* see the radiotap website for the descriptions */
 enum ieee80211_radiotap_presence {
 	IEEE80211_RADIOTAP_TSFT = 0,
 	IEEE80211_RADIOTAP_FLAGS = 1,
 	IEEE80211_RADIOTAP_RATE = 2,
 	IEEE80211_RADIOTAP_CHANNEL = 3,
 	IEEE80211_RADIOTAP_FHSS = 4,
 	IEEE80211_RADIOTAP_DBM_ANTSIGNAL = 5,
 	IEEE80211_RADIOTAP_DBM_ANTNOISE = 6,
 	IEEE80211_RADIOTAP_LOCK_QUALITY = 7,
 	IEEE80211_RADIOTAP_TX_ATTENUATION = 8,
 	IEEE80211_RADIOTAP_DB_TX_ATTENUATION = 9,
 	IEEE80211_RADIOTAP_DBM_TX_POWER = 10,
 	IEEE80211_RADIOTAP_ANTENNA = 11,
 	IEEE80211_RADIOTAP_DB_ANTSIGNAL = 12,
 	IEEE80211_RADIOTAP_DB_ANTNOISE = 13,
 	IEEE80211_RADIOTAP_RX_FLAGS = 14,
 	IEEE80211_RADIOTAP_TX_FLAGS = 15,
 	IEEE80211_RADIOTAP_RTS_RETRIES = 16,
 	IEEE80211_RADIOTAP_DATA_RETRIES = 17,
 	/* 18 is XChannel, but it's not defined yet */
 	IEEE80211_RADIOTAP_MCS = 19,
 	IEEE80211_RADIOTAP_AMPDU_STATUS = 20,
 	IEEE80211_RADIOTAP_VHT = 21,
 	IEEE80211_RADIOTAP_TIMESTAMP = 22,

 	/* valid in every it_present bitmap, even vendor namespaces */
 	IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
 	IEEE80211_RADIOTAP_VENDOR_NAMESPACE = 30,
 	IEEE80211_RADIOTAP_EXT = 31
 };

 /* for IEEE80211_RADIOTAP_FLAGS */
 enum ieee80211_radiotap_flags {
 	IEEE80211_RADIOTAP_F_CFP = 0x01,
 	IEEE80211_RADIOTAP_F_SHORTPRE = 0x02,
 	IEEE80211_RADIOTAP_F_WEP = 0x04,
 	IEEE80211_RADIOTAP_F_FRAG = 0x08,
 	IEEE80211_RADIOTAP_F_FCS = 0x10,
 	IEEE80211_RADIOTAP_F_DATAPAD = 0x20,
 	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,
 };

 enum ieee80211_radiotap_mcs_flags {
 	IEEE80211_RADIOTAP_MCS_BW_MASK = 0x03,
 	IEEE80211_RADIOTAP_MCS_BW_20 = 0,
 	IEEE80211_RADIOTAP_MCS_BW_40 = 1,
 	IEEE80211_RADIOTAP_MCS_BW_20L = 2,
 	IEEE80211_RADIOTAP_MCS_BW_20U = 3,

 	IEEE80211_RADIOTAP_MCS_SGI = 0x04,
 	IEEE80211_RADIOTAP_MCS_FMT_GF = 0x08,
 	IEEE80211_RADIOTAP_MCS_FEC_LDPC = 0x10,
 	IEEE80211_RADIOTAP_MCS_STBC_MASK = 0x60,
 	IEEE80211_RADIOTAP_MCS_STBC_1 = 1,
 	IEEE80211_RADIOTAP_MCS_STBC_2 = 2,
 	IEEE80211_RADIOTAP_MCS_STBC_3 = 3,
 	IEEE80211_RADIOTAP_MCS_STBC_SHIFT = 5,
 };

 /* for IEEE80211_RADIOTAP_AMPDU_STATUS */
 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_VHT */
 enum ieee80211_radiotap_vht_known {
 	IEEE80211_RADIOTAP_VHT_KNOWN_STBC = 0x0001,
 	IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA = 0x0002,
 	IEEE80211_RADIOTAP_VHT_KNOWN_GI = 0x0004,
 	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,
 };

 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,
 };

 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,
 };

 /* 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,
 };

 enum ieee80211_radiotap_timestamp_flags {
 	IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT = 0x00,
 	IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT = 0x01,
 	IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY = 0x02,
 };

 /**
  * ieee80211_get_radiotap_len - get radiotap header length
  */
 static inline u16 ieee80211_get_radiotap_len(const char *data)
 {
 	struct ieee80211_radiotap_header *hdr = (void *)data;

 	return get_unaligned_le16(&hdr->it_len);
 }

 #endif /* __RADIOTAP_H */
	/*
	* Copyright (c) 2017 Intel Deutschland GmbH
	*
	* 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

	#include <linux/kernel.h>
	#include <asm/unaligned.h>

	/**
	* struct ieee82011_radiotap_header - base radiotap header
	*/
	struct ieee80211_radiotap_header {
	/**
	* @it_version: radiotap version, always 0
	*/
	uint8_t it_version;

	/**
	* @it_pad: padding (or alignment)
	*/
	uint8_t it_pad;

	/**
	* @it_len: overall radiotap header length
	*/
	__le16 it_len;

	/**
	* @it_present: (first) present word
	*/
	__le32 it_present;
	} __packed;

	/* version is always 0 */
	#define PKTHDR_RADIOTAP_VERSION 0

	/* see the radiotap website for the descriptions */
	enum ieee80211_radiotap_presence {
	IEEE80211_RADIOTAP_TSFT = 0,
	IEEE80211_RADIOTAP_FLAGS = 1,
	IEEE80211_RADIOTAP_RATE = 2,
	IEEE80211_RADIOTAP_CHANNEL = 3,
	IEEE80211_RADIOTAP_FHSS = 4,
	IEEE80211_RADIOTAP_DBM_ANTSIGNAL = 5,
	IEEE80211_RADIOTAP_DBM_ANTNOISE = 6,
	IEEE80211_RADIOTAP_LOCK_QUALITY = 7,
	IEEE80211_RADIOTAP_TX_ATTENUATION = 8,
	IEEE80211_RADIOTAP_DB_TX_ATTENUATION = 9,
	IEEE80211_RADIOTAP_DBM_TX_POWER = 10,
	IEEE80211_RADIOTAP_ANTENNA = 11,
	IEEE80211_RADIOTAP_DB_ANTSIGNAL = 12,
	IEEE80211_RADIOTAP_DB_ANTNOISE = 13,
	IEEE80211_RADIOTAP_RX_FLAGS = 14,
	IEEE80211_RADIOTAP_TX_FLAGS = 15,
	IEEE80211_RADIOTAP_RTS_RETRIES = 16,
	IEEE80211_RADIOTAP_DATA_RETRIES = 17,
	/* 18 is XChannel, but it's not defined yet */
	IEEE80211_RADIOTAP_MCS = 19,
	IEEE80211_RADIOTAP_AMPDU_STATUS = 20,
	IEEE80211_RADIOTAP_VHT = 21,
	IEEE80211_RADIOTAP_TIMESTAMP = 22,

	/* valid in every it_present bitmap, even vendor namespaces */
	IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
	IEEE80211_RADIOTAP_VENDOR_NAMESPACE = 30,
	IEEE80211_RADIOTAP_EXT = 31
	};

	/* for IEEE80211_RADIOTAP_FLAGS */
	enum ieee80211_radiotap_flags {
	IEEE80211_RADIOTAP_F_CFP = 0x01,
	IEEE80211_RADIOTAP_F_SHORTPRE = 0x02,
	IEEE80211_RADIOTAP_F_WEP = 0x04,
	IEEE80211_RADIOTAP_F_FRAG = 0x08,
	IEEE80211_RADIOTAP_F_FCS = 0x10,
	IEEE80211_RADIOTAP_F_DATAPAD = 0x20,
	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,
	};

	enum ieee80211_radiotap_mcs_flags {
	IEEE80211_RADIOTAP_MCS_BW_MASK = 0x03,
	IEEE80211_RADIOTAP_MCS_BW_20 = 0,
	IEEE80211_RADIOTAP_MCS_BW_40 = 1,
	IEEE80211_RADIOTAP_MCS_BW_20L = 2,
	IEEE80211_RADIOTAP_MCS_BW_20U = 3,

	IEEE80211_RADIOTAP_MCS_SGI = 0x04,
	IEEE80211_RADIOTAP_MCS_FMT_GF = 0x08,
	IEEE80211_RADIOTAP_MCS_FEC_LDPC = 0x10,
	IEEE80211_RADIOTAP_MCS_STBC_MASK = 0x60,
	IEEE80211_RADIOTAP_MCS_STBC_1 = 1,
	IEEE80211_RADIOTAP_MCS_STBC_2 = 2,
	IEEE80211_RADIOTAP_MCS_STBC_3 = 3,
	IEEE80211_RADIOTAP_MCS_STBC_SHIFT = 5,
	};

	/* for IEEE80211_RADIOTAP_AMPDU_STATUS */
	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_VHT */
	enum ieee80211_radiotap_vht_known {
	IEEE80211_RADIOTAP_VHT_KNOWN_STBC = 0x0001,
	IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA = 0x0002,
	IEEE80211_RADIOTAP_VHT_KNOWN_GI = 0x0004,
	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,
	};

	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,
	};

	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,
	};

	/* 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,
	};

	enum ieee80211_radiotap_timestamp_flags {
	IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT = 0x00,
	IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT = 0x01,
	IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY = 0x02,
	};

	/**
	* ieee80211_get_radiotap_len - get radiotap header length
	*/
	static inline u16 ieee80211_get_radiotap_len(const char *data)
	{
	struct ieee80211_radiotap_header hdr = (void )data;

	return get_unaligned_le16(&hdr->it_len);
	}

	#endif /* __RADIOTAP_H */