diff options
Diffstat (limited to 'include/net/ieee80211_radiotap.h')
| -rw-r--r-- | include/net/ieee80211_radiotap.h | 57 |
1 files changed, 29 insertions, 28 deletions
diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h index c6e0d81ea785..f3bc00ee628b 100644 --- a/include/net/ieee80211_radiotap.h +++ b/include/net/ieee80211_radiotap.h @@ -66,7 +66,9 @@ */ #define IEEE80211_RADIOTAP_HDRLEN 64 -/* The radio capture header precedes the 802.11 header. */ +/* The radio capture header precedes the 802.11 header. + * All data in the header is little endian on all platforms. + */ struct ieee80211_radiotap_header { u8 it_version; /* Version 0. Only increases * for drastic changes, @@ -74,12 +76,12 @@ struct ieee80211_radiotap_header { * new fields does not count. */ u8 it_pad; - u16 it_len; /* length of the whole + __le16 it_len; /* length of the whole * header in bytes, including * it_version, it_pad, * it_len, and data fields. */ - u32 it_present; /* A bitmap telling which + __le32 it_present; /* A bitmap telling which * fields are present. Set bit 31 * (0x80000000) to extend the * bitmap by another 32 bits. @@ -88,104 +90,103 @@ struct ieee80211_radiotap_header { */ }; -/* Name Data type Units - * ---- --------- ----- +/* Name Data type Units + * ---- --------- ----- * - * IEEE80211_RADIOTAP_TSFT u64 microseconds + * IEEE80211_RADIOTAP_TSFT __le64 microseconds * * Value in microseconds of the MAC's 64-bit 802.11 Time * Synchronization Function timer when the first bit of the * MPDU arrived at the MAC. For received frames, only. * - * IEEE80211_RADIOTAP_CHANNEL 2 x u16 MHz, bitmap + * IEEE80211_RADIOTAP_CHANNEL 2 x __le16 MHz, bitmap * * Tx/Rx frequency in MHz, followed by flags (see below). * - * IEEE80211_RADIOTAP_FHSS u16 see below + * IEEE80211_RADIOTAP_FHSS __le16 see below * * For frequency-hopping radios, the hop set (first byte) * and pattern (second byte). * - * IEEE80211_RADIOTAP_RATE u8 500kb/s + * IEEE80211_RADIOTAP_RATE u8 500kb/s * * Tx/Rx data rate * - * IEEE80211_RADIOTAP_DBM_ANTSIGNAL int8_t decibels from - * one milliwatt (dBm) + * IEEE80211_RADIOTAP_DBM_ANTSIGNAL s8 decibels from + * one milliwatt (dBm) * * RF signal power at the antenna, decibel difference from * one milliwatt. * - * IEEE80211_RADIOTAP_DBM_ANTNOISE int8_t decibels from - * one milliwatt (dBm) + * IEEE80211_RADIOTAP_DBM_ANTNOISE s8 decibels from + * one milliwatt (dBm) * * RF noise power at the antenna, decibel difference from one * milliwatt. * - * IEEE80211_RADIOTAP_DB_ANTSIGNAL u8 decibel (dB) + * IEEE80211_RADIOTAP_DB_ANTSIGNAL u8 decibel (dB) * * RF signal power at the antenna, decibel difference from an * arbitrary, fixed reference. * - * IEEE80211_RADIOTAP_DB_ANTNOISE u8 decibel (dB) + * IEEE80211_RADIOTAP_DB_ANTNOISE u8 decibel (dB) * * RF noise power at the antenna, decibel difference from an * arbitrary, fixed reference point. * - * IEEE80211_RADIOTAP_LOCK_QUALITY u16 unitless + * IEEE80211_RADIOTAP_LOCK_QUALITY __le16 unitless * * Quality of Barker code lock. Unitless. Monotonically * nondecreasing with "better" lock strength. Called "Signal * Quality" in datasheets. (Is there a standard way to measure * this?) * - * IEEE80211_RADIOTAP_TX_ATTENUATION u16 unitless + * IEEE80211_RADIOTAP_TX_ATTENUATION __le16 unitless * * Transmit power expressed as unitless distance from max * power set at factory calibration. 0 is max power. * Monotonically nondecreasing with lower power levels. * - * IEEE80211_RADIOTAP_DB_TX_ATTENUATION u16 decibels (dB) + * IEEE80211_RADIOTAP_DB_TX_ATTENUATION __le16 decibels (dB) * * Transmit power expressed as decibel distance from max power * set at factory calibration. 0 is max power. Monotonically * nondecreasing with lower power levels. * - * IEEE80211_RADIOTAP_DBM_TX_POWER int8_t decibels from - * one milliwatt (dBm) + * IEEE80211_RADIOTAP_DBM_TX_POWER s8 decibels from + * one milliwatt (dBm) * * Transmit power expressed as dBm (decibels from a 1 milliwatt * reference). This is the absolute power level measured at * the antenna port. * - * IEEE80211_RADIOTAP_FLAGS u8 bitmap + * IEEE80211_RADIOTAP_FLAGS u8 bitmap * * Properties of transmitted and received frames. See flags * defined below. * - * IEEE80211_RADIOTAP_ANTENNA u8 antenna index + * IEEE80211_RADIOTAP_ANTENNA u8 antenna index * * Unitless indication of the Rx/Tx antenna for this packet. * The first antenna is antenna 0. * - * IEEE80211_RADIOTAP_RX_FLAGS u_int16_t bitmap + * IEEE80211_RADIOTAP_RX_FLAGS __le16 bitmap * * Properties of received frames. See flags defined below. * - * IEEE80211_RADIOTAP_TX_FLAGS u_int16_t bitmap + * IEEE80211_RADIOTAP_TX_FLAGS __le16 bitmap * * Properties of transmitted frames. See flags defined below. * - * IEEE80211_RADIOTAP_RTS_RETRIES u_int8_t data + * IEEE80211_RADIOTAP_RTS_RETRIES u8 data * * Number of rts retries a transmitted frame used. * - * IEEE80211_RADIOTAP_DATA_RETRIES u_int8_t data + * IEEE80211_RADIOTAP_DATA_RETRIES u8 data * * Number of unicast retries a transmitted frame used. * - * - * IEEE80211_RADIOTAP_FCS u32 data + * IEEE80211_RADIOTAP_FCS __le32 data * * FCS from frame in network byte order. */ |