[PATCH] sparse-annotate radiotap header (a0d69f22) · Commits · e / devices / android_kernel_xiaomi_markw

include/net/ieee80211_radiotap.h

+29 −28

Original line number	Original line	Diff line number	Diff line
	@@ -66,7 +66,9 @@
	*/		*/
	#define IEEE80211_RADIOTAP_HDRLEN 64		#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 {		struct ieee80211_radiotap_header {
	u8 it_version; /* Version 0. Only increases		u8 it_version; /* Version 0. Only increases
	* for drastic changes,		* for drastic changes,
	@@ -74,12 +76,12 @@ struct ieee80211_radiotap_header {
	* new fields does not count.		* new fields does not count.
	*/		*/
	u8 it_pad;		u8 it_pad;
	u16 it_len; /* length of the whole		__le16 it_len; /* length of the whole
	* header in bytes, including		* header in bytes, including
	* it_version, it_pad,		* it_version, it_pad,
	* it_len, and data fields.		* 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		* fields are present. Set bit 31
	* (0x80000000) to extend the		* (0x80000000) to extend the
	* bitmap by another 32 bits.		* bitmap by another 32 bits.
	@@ -91,17 +93,17 @@ 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		* Value in microseconds of the MAC's 64-bit 802.11 Time
	* Synchronization Function timer when the first bit of the		* Synchronization Function timer when the first bit of the
	* MPDU arrived at the MAC. For received frames, only.		* 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).		* 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)		* For frequency-hopping radios, the hop set (first byte)
	* and pattern (second byte).		* and pattern (second byte).
	@@ -110,13 +112,13 @@ struct ieee80211_radiotap_header {
	*		*
	* Tx/Rx data rate		* Tx/Rx data rate
	*		*
	* IEEE80211_RADIOTAP_DBM_ANTSIGNAL int8_t decibels from		* IEEE80211_RADIOTAP_DBM_ANTSIGNAL s8 decibels from
	* one milliwatt (dBm)		* one milliwatt (dBm)
	*		*
	* RF signal power at the antenna, decibel difference from		* RF signal power at the antenna, decibel difference from
	* one milliwatt.		* one milliwatt.
	*		*
	* IEEE80211_RADIOTAP_DBM_ANTNOISE int8_t decibels from		* IEEE80211_RADIOTAP_DBM_ANTNOISE s8 decibels from
	* one milliwatt (dBm)		* one milliwatt (dBm)
	*		*
	* RF noise power at the antenna, decibel difference from one		* RF noise power at the antenna, decibel difference from one
	@@ -132,26 +134,26 @@ struct ieee80211_radiotap_header {
	* RF noise power at the antenna, decibel difference from an		* RF noise power at the antenna, decibel difference from an
	* arbitrary, fixed reference point.		* arbitrary, fixed reference point.
	*		*
	* IEEE80211_RADIOTAP_LOCK_QUALITY u16 unitless		* IEEE80211_RADIOTAP_LOCK_QUALITY __le16 unitless
	*		*
	* Quality of Barker code lock. Unitless. Monotonically		* Quality of Barker code lock. Unitless. Monotonically
	* nondecreasing with "better" lock strength. Called "Signal		* nondecreasing with "better" lock strength. Called "Signal
	* Quality" in datasheets. (Is there a standard way to measure		* Quality" in datasheets. (Is there a standard way to measure
	* this?)		* this?)
	*		*
	* IEEE80211_RADIOTAP_TX_ATTENUATION u16 unitless		* IEEE80211_RADIOTAP_TX_ATTENUATION __le16 unitless
	*		*
	* Transmit power expressed as unitless distance from max		* Transmit power expressed as unitless distance from max
	* power set at factory calibration. 0 is max power.		* power set at factory calibration. 0 is max power.
	* Monotonically nondecreasing with lower power levels.		* 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		* Transmit power expressed as decibel distance from max power
	* set at factory calibration. 0 is max power. Monotonically		* set at factory calibration. 0 is max power. Monotonically
	* nondecreasing with lower power levels.		* nondecreasing with lower power levels.
	*		*
	* IEEE80211_RADIOTAP_DBM_TX_POWER int8_t decibels from		* IEEE80211_RADIOTAP_DBM_TX_POWER s8 decibels from
	* one milliwatt (dBm)		* one milliwatt (dBm)
	*		*
	* Transmit power expressed as dBm (decibels from a 1 milliwatt		* Transmit power expressed as dBm (decibels from a 1 milliwatt
	@@ -168,24 +170,23 @@ struct ieee80211_radiotap_header {
	* Unitless indication of the Rx/Tx antenna for this packet.		* Unitless indication of the Rx/Tx antenna for this packet.
	* The first antenna is antenna 0.		* 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.		* 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.		* 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.		* 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.		* Number of unicast retries a transmitted frame used.
	*		*
	*		* IEEE80211_RADIOTAP_FCS __le32 data
	* IEEE80211_RADIOTAP_FCS u32 data
	*		*
	* FCS from frame in network byte order.		* FCS from frame in network byte order.
	*/		*/