1STRUCT IEEE80211_RX_(9) The basic mac80211 driver inte STRUCT IEEE80211_RX_(9)
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NAME

6       struct_ieee80211_rx_status - receive status
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SYNOPSIS

9       struct ieee80211_rx_status {
10         u64 mactime;
11         u32 device_timestamp;
12         u32 ampdu_reference;
13         u32 flag;
14         u16 freq;
15         u8 vht_flag;
16         u8 rate_idx;
17         u8 vht_nss;
18         u8 rx_flags;
19         u8 band;
20         u8 antenna;
21         s8 signal;
22         u8 chains;
23         s8 chain_signal[IEEE80211_MAX_CHAINS];
24         u8 ampdu_delimiter_crc;
25       };
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MEMBERS

28       mactime
29           value in microseconds of the 64-bit Time Synchronization Function
30           (TSF) timer when the first data symbol (MPDU) arrived at the
31           hardware.
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33       device_timestamp
34           arbitrary timestamp for the device, mac80211 doesn´t use it but can
35           store it and pass it back to the driver for synchronisation
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37       ampdu_reference
38           A-MPDU reference number, must be a different value for each A-MPDU
39           but the same for each subframe within one A-MPDU
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41       flag
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43           RX_FLAG_*
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45       freq
46           frequency the radio was tuned to when receiving this frame, in MHz
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48       vht_flag
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50           RX_VHT_FLAG_*
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52       rate_idx
53           index of data rate into band´s supported rates or MCS index if HT
54           or VHT is used (RX_FLAG_HT/RX_FLAG_VHT)
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56       vht_nss
57           number of streams (VHT only)
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59       rx_flags
60           internal RX flags for mac80211
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62       band
63           the active band when this frame was received
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65       antenna
66           antenna used
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68       signal
69           signal strength when receiving this frame, either in dBm, in dB or
70           unspecified depending on the hardware capabilities flags
71           IEEE80211_HW_SIGNAL_*
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73       chains
74           bitmask of receive chains for which separate signal strength values
75           were filled.
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77       chain_signal[IEEE80211_MAX_CHAINS]
78           per-chain signal strength, in dBm (unlike signal, doesn´t support
79           dB or unspecified units)
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81       ampdu_delimiter_crc
82           A-MPDU delimiter CRC
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DESCRIPTION

85       The low-level driver should provide this information (the subset
86       supported by hardware) to the 802.11 code with each received frame, in
87       the skb´s control buffer (cb).
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AUTHOR

90       Johannes Berg <johannes@sipsolutions.net>
91           Author.
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94Kernel Hackers Manual 2.6.         June 2019           STRUCT IEEE80211_RX_(9)
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