linux/include/net/ieee80211_radiotap.h
Johannes Berg 1c26f09b20 wifi: radiotap: document ieee80211_get_radiotap_len() return value
Document the return value of ieee80211_get_radiotap_len() in
the proper kernel-doc format.

Link: https://msgid.link/20240515093852.143aadfdb094.I8795ec1e8cfd7106d58325fb514bae92625fb45c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2024-05-23 10:19:39 +02:00

595 lines
23 KiB
C

/*
* Copyright (c) 2017 Intel Deutschland GmbH
* Copyright (c) 2018-2019, 2021-2022 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 ieee80211_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;
/**
* @it_optional: all remaining presence bitmaps
*/
__le32 it_optional[];
} __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,
IEEE80211_RADIOTAP_HE = 23,
IEEE80211_RADIOTAP_HE_MU = 24,
IEEE80211_RADIOTAP_ZERO_LEN_PSDU = 26,
IEEE80211_RADIOTAP_LSIG = 27,
IEEE80211_RADIOTAP_TLV = 28,
/* valid in every it_present bitmap, even vendor namespaces */
IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
IEEE80211_RADIOTAP_VENDOR_NAMESPACE = 30,
IEEE80211_RADIOTAP_EXT = 31,
IEEE80211_RADIOTAP_EHT_USIG = 33,
IEEE80211_RADIOTAP_EHT = 34,
};
/* 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,
IEEE80211_RADIOTAP_F_TX_NOSEQNO = 0x0010,
IEEE80211_RADIOTAP_F_TX_ORDER = 0x0020,
};
/* 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,
IEEE80211_RADIOTAP_AMPDU_EOF = 0x0040,
IEEE80211_RADIOTAP_AMPDU_EOF_KNOWN = 0x0080,
};
/* 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,
};
struct ieee80211_radiotap_he {
__le16 data1, data2, data3, data4, data5, data6;
};
enum ieee80211_radiotap_he_bits {
IEEE80211_RADIOTAP_HE_DATA1_FORMAT_MASK = 3,
IEEE80211_RADIOTAP_HE_DATA1_FORMAT_SU = 0,
IEEE80211_RADIOTAP_HE_DATA1_FORMAT_EXT_SU = 1,
IEEE80211_RADIOTAP_HE_DATA1_FORMAT_MU = 2,
IEEE80211_RADIOTAP_HE_DATA1_FORMAT_TRIG = 3,
IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN = 0x0004,
IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN = 0x0008,
IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN = 0x0010,
IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN = 0x0020,
IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN = 0x0040,
IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN = 0x0080,
IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN = 0x0100,
IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN = 0x0200,
IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN = 0x0400,
IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE2_KNOWN = 0x0800,
IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE3_KNOWN = 0x1000,
IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE4_KNOWN = 0x2000,
IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN = 0x4000,
IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN = 0x8000,
IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN = 0x0001,
IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN = 0x0002,
IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN = 0x0004,
IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN = 0x0008,
IEEE80211_RADIOTAP_HE_DATA2_TXBF_KNOWN = 0x0010,
IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN = 0x0020,
IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN = 0x0040,
IEEE80211_RADIOTAP_HE_DATA2_MIDAMBLE_KNOWN = 0x0080,
IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET = 0x3f00,
IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN = 0x4000,
IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC = 0x8000,
IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR = 0x003f,
IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE = 0x0040,
IEEE80211_RADIOTAP_HE_DATA3_UL_DL = 0x0080,
IEEE80211_RADIOTAP_HE_DATA3_DATA_MCS = 0x0f00,
IEEE80211_RADIOTAP_HE_DATA3_DATA_DCM = 0x1000,
IEEE80211_RADIOTAP_HE_DATA3_CODING = 0x2000,
IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG = 0x4000,
IEEE80211_RADIOTAP_HE_DATA3_STBC = 0x8000,
IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE = 0x000f,
IEEE80211_RADIOTAP_HE_DATA4_MU_STA_ID = 0x7ff0,
IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE1 = 0x000f,
IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE2 = 0x00f0,
IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE3 = 0x0f00,
IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE4 = 0xf000,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC = 0x000f,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ = 0,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ = 1,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ = 2,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ = 3,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_26T = 4,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_52T = 5,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_106T = 6,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_242T = 7,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_484T = 8,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_996T = 9,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_2x996T = 10,
IEEE80211_RADIOTAP_HE_DATA5_GI = 0x0030,
IEEE80211_RADIOTAP_HE_DATA5_GI_0_8 = 0,
IEEE80211_RADIOTAP_HE_DATA5_GI_1_6 = 1,
IEEE80211_RADIOTAP_HE_DATA5_GI_3_2 = 2,
IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE = 0x00c0,
IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN = 0,
IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X = 1,
IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X = 2,
IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X = 3,
IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS = 0x0700,
IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD = 0x3000,
IEEE80211_RADIOTAP_HE_DATA5_TXBF = 0x4000,
IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG = 0x8000,
IEEE80211_RADIOTAP_HE_DATA6_NSTS = 0x000f,
IEEE80211_RADIOTAP_HE_DATA6_DOPPLER = 0x0010,
IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN = 0x0020,
IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW = 0x00c0,
IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_20MHZ = 0,
IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_40MHZ = 1,
IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_80MHZ = 2,
IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_160MHZ = 3,
IEEE80211_RADIOTAP_HE_DATA6_TXOP = 0x7f00,
IEEE80211_RADIOTAP_HE_DATA6_MIDAMBLE_PDCTY = 0x8000,
};
struct ieee80211_radiotap_he_mu {
__le16 flags1, flags2;
u8 ru_ch1[4];
u8 ru_ch2[4];
};
enum ieee80211_radiotap_he_mu_bits {
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS = 0x000f,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS_KNOWN = 0x0010,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM = 0x0020,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM_KNOWN = 0x0040,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_CTR_26T_RU_KNOWN = 0x0080,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_RU_KNOWN = 0x0100,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_RU_KNOWN = 0x0200,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU_KNOWN = 0x1000,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU = 0x2000,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_COMP_KNOWN = 0x4000,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN = 0x8000,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW = 0x0003,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_20MHZ = 0x0000,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_40MHZ = 0x0001,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_80MHZ = 0x0002,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_160MHZ = 0x0003,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN = 0x0004,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP = 0x0008,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS = 0x00f0,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW = 0x0300,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN= 0x0400,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_CH2_CTR_26T_RU = 0x0800,
};
enum ieee80211_radiotap_lsig_data1 {
IEEE80211_RADIOTAP_LSIG_DATA1_RATE_KNOWN = 0x0001,
IEEE80211_RADIOTAP_LSIG_DATA1_LENGTH_KNOWN = 0x0002,
};
enum ieee80211_radiotap_lsig_data2 {
IEEE80211_RADIOTAP_LSIG_DATA2_RATE = 0x000f,
IEEE80211_RADIOTAP_LSIG_DATA2_LENGTH = 0xfff0,
};
struct ieee80211_radiotap_lsig {
__le16 data1, data2;
};
enum ieee80211_radiotap_zero_len_psdu_type {
IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING = 0,
IEEE80211_RADIOTAP_ZERO_LEN_PSDU_NOT_CAPTURED = 1,
IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR = 0xff,
};
struct ieee80211_radiotap_tlv {
__le16 type;
__le16 len;
u8 data[];
} __packed;
/**
* struct ieee80211_radiotap_vendor_content - radiotap vendor data content
* @oui: radiotap vendor namespace OUI
* @oui_subtype: radiotap vendor sub namespace
* @vendor_type: radiotap vendor type
* @reserved: should always be set to zero (to avoid leaking memory)
* @data: the actual vendor namespace data
*/
struct ieee80211_radiotap_vendor_content {
u8 oui[3];
u8 oui_subtype;
__le16 vendor_type;
__le16 reserved;
u8 data[];
} __packed;
/**
* struct ieee80211_radiotap_vendor_tlv - vendor radiotap data information
* @type: should always be set to IEEE80211_RADIOTAP_VENDOR_NAMESPACE
* @len: length of data
* @content: vendor content see @ieee80211_radiotap_vendor_content
*/
struct ieee80211_radiotap_vendor_tlv {
__le16 type; /* IEEE80211_RADIOTAP_VENDOR_NAMESPACE */
__le16 len;
struct ieee80211_radiotap_vendor_content content;
};
/* ieee80211_radiotap_eht_usig - content of U-SIG tlv (type 33)
* see www.radiotap.org/fields/U-SIG.html for details
*/
struct ieee80211_radiotap_eht_usig {
__le32 common;
__le32 value;
__le32 mask;
} __packed;
/* ieee80211_radiotap_eht - content of EHT tlv (type 34)
* see www.radiotap.org/fields/EHT.html for details
*/
struct ieee80211_radiotap_eht {
__le32 known;
__le32 data[9];
__le32 user_info[];
} __packed;
/* Known field for EHT TLV
* The ending defines for what the field applies as following
* O - OFDMA (including TB), M - MU-MIMO, S - EHT sounding.
*/
enum ieee80211_radiotap_eht_known {
IEEE80211_RADIOTAP_EHT_KNOWN_SPATIAL_REUSE = 0x00000002,
IEEE80211_RADIOTAP_EHT_KNOWN_GI = 0x00000004,
IEEE80211_RADIOTAP_EHT_KNOWN_EHT_LTF = 0x00000010,
IEEE80211_RADIOTAP_EHT_KNOWN_LDPC_EXTRA_SYM_OM = 0x00000020,
IEEE80211_RADIOTAP_EHT_KNOWN_PRE_PADD_FACOR_OM = 0x00000040,
IEEE80211_RADIOTAP_EHT_KNOWN_PE_DISAMBIGUITY_OM = 0x00000080,
IEEE80211_RADIOTAP_EHT_KNOWN_DISREGARD_O = 0x00000100,
IEEE80211_RADIOTAP_EHT_KNOWN_DISREGARD_S = 0x00000200,
IEEE80211_RADIOTAP_EHT_KNOWN_CRC1 = 0x00002000,
IEEE80211_RADIOTAP_EHT_KNOWN_TAIL1 = 0x00004000,
IEEE80211_RADIOTAP_EHT_KNOWN_CRC2_O = 0x00008000,
IEEE80211_RADIOTAP_EHT_KNOWN_TAIL2_O = 0x00010000,
IEEE80211_RADIOTAP_EHT_KNOWN_NSS_S = 0x00020000,
IEEE80211_RADIOTAP_EHT_KNOWN_BEAMFORMED_S = 0x00040000,
IEEE80211_RADIOTAP_EHT_KNOWN_NR_NON_OFDMA_USERS_M = 0x00080000,
IEEE80211_RADIOTAP_EHT_KNOWN_ENCODING_BLOCK_CRC_M = 0x00100000,
IEEE80211_RADIOTAP_EHT_KNOWN_ENCODING_BLOCK_TAIL_M = 0x00200000,
IEEE80211_RADIOTAP_EHT_KNOWN_RU_MRU_SIZE_OM = 0x00400000,
IEEE80211_RADIOTAP_EHT_KNOWN_RU_MRU_INDEX_OM = 0x00800000,
IEEE80211_RADIOTAP_EHT_KNOWN_RU_ALLOC_TB_FMT = 0x01000000,
IEEE80211_RADIOTAP_EHT_KNOWN_PRIMARY_80 = 0x02000000,
};
enum ieee80211_radiotap_eht_data {
/* Data 0 */
IEEE80211_RADIOTAP_EHT_DATA0_SPATIAL_REUSE = 0x00000078,
IEEE80211_RADIOTAP_EHT_DATA0_GI = 0x00000180,
IEEE80211_RADIOTAP_EHT_DATA0_LTF = 0x00000600,
IEEE80211_RADIOTAP_EHT_DATA0_EHT_LTF = 0x00003800,
IEEE80211_RADIOTAP_EHT_DATA0_LDPC_EXTRA_SYM_OM = 0x00004000,
IEEE80211_RADIOTAP_EHT_DATA0_PRE_PADD_FACOR_OM = 0x00018000,
IEEE80211_RADIOTAP_EHT_DATA0_PE_DISAMBIGUITY_OM = 0x00020000,
IEEE80211_RADIOTAP_EHT_DATA0_DISREGARD_S = 0x000c0000,
IEEE80211_RADIOTAP_EHT_DATA0_DISREGARD_O = 0x003c0000,
IEEE80211_RADIOTAP_EHT_DATA0_CRC1_O = 0x03c00000,
IEEE80211_RADIOTAP_EHT_DATA0_TAIL1_O = 0xfc000000,
/* Data 1 */
IEEE80211_RADIOTAP_EHT_DATA1_RU_SIZE = 0x0000001f,
IEEE80211_RADIOTAP_EHT_DATA1_RU_INDEX = 0x00001fe0,
IEEE80211_RADIOTAP_EHT_DATA1_RU_ALLOC_CC_1_1_1 = 0x003fe000,
IEEE80211_RADIOTAP_EHT_DATA1_RU_ALLOC_CC_1_1_1_KNOWN = 0x00400000,
IEEE80211_RADIOTAP_EHT_DATA1_PRIMARY_80 = 0xc0000000,
/* Data 2 */
IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_2_1_1 = 0x000001ff,
IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_2_1_1_KNOWN = 0x00000200,
IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_1_1_2 = 0x0007fc00,
IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_1_1_2_KNOWN = 0x00080000,
IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_2_1_2 = 0x1ff00000,
IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_2_1_2_KNOWN = 0x20000000,
/* Data 3 */
IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_1_2_1 = 0x000001ff,
IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_1_2_1_KNOWN = 0x00000200,
IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_2_2_1 = 0x0007fc00,
IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_2_2_1_KNOWN = 0x00080000,
IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_1_2_2 = 0x1ff00000,
IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_1_2_2_KNOWN = 0x20000000,
/* Data 4 */
IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_2_2_2 = 0x000001ff,
IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_2_2_2_KNOWN = 0x00000200,
IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_1_2_3 = 0x0007fc00,
IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_1_2_3_KNOWN = 0x00080000,
IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_2_2_3 = 0x1ff00000,
IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_2_2_3_KNOWN = 0x20000000,
/* Data 5 */
IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_1_2_4 = 0x000001ff,
IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_1_2_4_KNOWN = 0x00000200,
IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_2_2_4 = 0x0007fc00,
IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_2_2_4_KNOWN = 0x00080000,
IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_1_2_5 = 0x1ff00000,
IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_1_2_5_KNOWN = 0x20000000,
/* Data 6 */
IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_2_2_5 = 0x000001ff,
IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_2_2_5_KNOWN = 0x00000200,
IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_1_2_6 = 0x0007fc00,
IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_1_2_6_KNOWN = 0x00080000,
IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_2_2_6 = 0x1ff00000,
IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_2_2_6_KNOWN = 0x20000000,
/* Data 7 */
IEEE80211_RADIOTAP_EHT_DATA7_CRC2_O = 0x0000000f,
IEEE80211_RADIOTAP_EHT_DATA7_TAIL_2_O = 0x000003f0,
IEEE80211_RADIOTAP_EHT_DATA7_NSS_S = 0x0000f000,
IEEE80211_RADIOTAP_EHT_DATA7_BEAMFORMED_S = 0x00010000,
IEEE80211_RADIOTAP_EHT_DATA7_NUM_OF_NON_OFDMA_USERS = 0x000e0000,
IEEE80211_RADIOTAP_EHT_DATA7_USER_ENCODING_BLOCK_CRC = 0x00f00000,
IEEE80211_RADIOTAP_EHT_DATA7_USER_ENCODING_BLOCK_TAIL = 0x3f000000,
/* Data 8 */
IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_PS_160 = 0x00000001,
IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B0 = 0x00000002,
IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B7_B1 = 0x000001fc,
};
enum ieee80211_radiotap_eht_user_info {
IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID_KNOWN = 0x00000001,
IEEE80211_RADIOTAP_EHT_USER_INFO_MCS_KNOWN = 0x00000002,
IEEE80211_RADIOTAP_EHT_USER_INFO_CODING_KNOWN = 0x00000004,
IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_KNOWN_O = 0x00000010,
IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_KNOWN_O = 0x00000020,
IEEE80211_RADIOTAP_EHT_USER_INFO_SPATIAL_CONFIG_KNOWN_M = 0x00000040,
IEEE80211_RADIOTAP_EHT_USER_INFO_DATA_FOR_USER = 0x00000080,
IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID = 0x0007ff00,
IEEE80211_RADIOTAP_EHT_USER_INFO_CODING = 0x00080000,
IEEE80211_RADIOTAP_EHT_USER_INFO_MCS = 0x00f00000,
IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_O = 0x0f000000,
IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_O = 0x20000000,
IEEE80211_RADIOTAP_EHT_USER_INFO_SPATIAL_CONFIG_M = 0x3f000000,
IEEE80211_RADIOTAP_EHT_USER_INFO_RESEVED_c0000000 = 0xc0000000,
};
enum ieee80211_radiotap_eht_usig_common {
IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER_KNOWN = 0x00000001,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_KNOWN = 0x00000002,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL_KNOWN = 0x00000004,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR_KNOWN = 0x00000008,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP_KNOWN = 0x00000010,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BAD_USIG_CRC = 0x00000020,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_CHECKED = 0x00000040,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_OK = 0x00000080,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER = 0x00007000,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW = 0x00038000,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_20MHZ = 0,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_40MHZ = 1,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_80MHZ = 2,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_160MHZ = 3,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_320MHZ_1 = 4,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_320MHZ_2 = 5,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL = 0x00040000,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR = 0x01f80000,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP = 0xfe000000,
};
enum ieee80211_radiotap_eht_usig_mu {
/* MU-USIG-1 */
IEEE80211_RADIOTAP_EHT_USIG1_MU_B20_B24_DISREGARD = 0x0000001f,
IEEE80211_RADIOTAP_EHT_USIG1_MU_B25_VALIDATE = 0x00000020,
/* MU-USIG-2 */
IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE = 0x000000c0,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B2_VALIDATE = 0x00000100,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B3_B7_PUNCTURED_INFO = 0x00003e00,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B8_VALIDATE = 0x00004000,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS = 0x00018000,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B11_B15_EHT_SIG_SYMBOLS = 0x003e0000,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B16_B19_CRC = 0x03c00000,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B20_B25_TAIL = 0xfc000000,
};
enum ieee80211_radiotap_eht_usig_tb {
/* TB-USIG-1 */
IEEE80211_RADIOTAP_EHT_USIG1_TB_B20_B25_DISREGARD = 0x0000001f,
/* TB-USIG-2 */
IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE = 0x000000c0,
IEEE80211_RADIOTAP_EHT_USIG2_TB_B2_VALIDATE = 0x00000100,
IEEE80211_RADIOTAP_EHT_USIG2_TB_B3_B6_SPATIAL_REUSE_1 = 0x00001e00,
IEEE80211_RADIOTAP_EHT_USIG2_TB_B7_B10_SPATIAL_REUSE_2 = 0x0001e000,
IEEE80211_RADIOTAP_EHT_USIG2_TB_B11_B15_DISREGARD = 0x003e0000,
IEEE80211_RADIOTAP_EHT_USIG2_TB_B16_B19_CRC = 0x03c00000,
IEEE80211_RADIOTAP_EHT_USIG2_TB_B20_B25_TAIL = 0xfc000000,
};
/**
* ieee80211_get_radiotap_len - get radiotap header length
* @data: pointer to the header
* Return: the radiotap header length
*/
static inline u16 ieee80211_get_radiotap_len(const char *data)
{
const struct ieee80211_radiotap_header *hdr = (const void *)data;
return get_unaligned_le16(&hdr->it_len);
}
#endif /* __RADIOTAP_H */