/* * 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 #include /** * 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 */