linux-imx

/*

 * Copyright (c) 2017       Intel Deutschland GmbH

 * Copyright (c) 2018-2019  Intel Corporation

 *

 * 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,