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ieee80211_radiotap.h
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/* * 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, 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, /* 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, 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, }; /** * 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 */