^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: ISC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2019 Felix Fietkau <nbd@nbd.name>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <net/mac80211.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include "ieee80211_i.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include "sta_info.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define AVG_PKT_SIZE 1024
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) /* Number of bits for an average sized packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define MCS_NBITS (AVG_PKT_SIZE << 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /* Number of kilo-symbols (symbols * 1024) for a packet with (bps) bits per
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * symbol. We use k-symbols to avoid rounding in the _TIME macros below.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define MCS_N_KSYMS(bps) DIV_ROUND_UP(MCS_NBITS << 10, (bps))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /* Transmission time (in 1024 * usec) for a packet containing (ksyms) * 1024
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * symbols.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define MCS_SYMBOL_TIME(sgi, ksyms) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) (sgi ? \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) ((ksyms) * 4 * 18) / 20 : /* 3.6 us per sym */ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) ((ksyms) * 4) /* 4.0 us per sym */ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) /* Transmit duration for the raw data part of an average sized packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define MCS_DURATION(streams, sgi, bps) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) ((u32)MCS_SYMBOL_TIME(sgi, MCS_N_KSYMS((streams) * (bps))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define MCS_DURATION_S(shift, streams, sgi, bps) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) ((u16)((MCS_DURATION(streams, sgi, bps) >> shift)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* These should match the values in enum nl80211_he_gi */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define HE_GI_08 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define HE_GI_16 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define HE_GI_32 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /* Transmission time (1024 usec) for a packet containing (ksyms) * k-symbols */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define HE_SYMBOL_TIME(gi, ksyms) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) (gi == HE_GI_08 ? \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) ((ksyms) * 16 * 17) / 20 : /* 13.6 us per sym */ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) (gi == HE_GI_16 ? \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) ((ksyms) * 16 * 18) / 20 : /* 14.4 us per sym */ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) ((ksyms) * 16) /* 16.0 us per sym */ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) ))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) /* Transmit duration for the raw data part of an average sized packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define HE_DURATION(streams, gi, bps) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) ((u32)HE_SYMBOL_TIME(gi, MCS_N_KSYMS((streams) * (bps))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define HE_DURATION_S(shift, streams, gi, bps) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) (HE_DURATION(streams, gi, bps) >> shift)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define BW_20 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define BW_40 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define BW_80 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define BW_160 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) * Define group sort order: HT40 -> SGI -> #streams
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define IEEE80211_MAX_STREAMS 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define IEEE80211_HT_STREAM_GROUPS 4 /* BW(=2) * SGI(=2) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define IEEE80211_VHT_STREAM_GROUPS 8 /* BW(=4) * SGI(=2) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define IEEE80211_HE_MAX_STREAMS 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define IEEE80211_HE_STREAM_GROUPS 12 /* BW(=4) * GI(=3) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define IEEE80211_HT_GROUPS_NB (IEEE80211_MAX_STREAMS * \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) IEEE80211_HT_STREAM_GROUPS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define IEEE80211_VHT_GROUPS_NB (IEEE80211_MAX_STREAMS * \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) IEEE80211_VHT_STREAM_GROUPS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define IEEE80211_HE_GROUPS_NB (IEEE80211_HE_MAX_STREAMS * \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) IEEE80211_HE_STREAM_GROUPS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define IEEE80211_GROUPS_NB (IEEE80211_HT_GROUPS_NB + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) IEEE80211_VHT_GROUPS_NB + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) IEEE80211_HE_GROUPS_NB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define IEEE80211_HT_GROUP_0 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define IEEE80211_VHT_GROUP_0 (IEEE80211_HT_GROUP_0 + IEEE80211_HT_GROUPS_NB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define IEEE80211_HE_GROUP_0 (IEEE80211_VHT_GROUP_0 + IEEE80211_VHT_GROUPS_NB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define MCS_GROUP_RATES 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define HT_GROUP_IDX(_streams, _sgi, _ht40) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) IEEE80211_HT_GROUP_0 + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) IEEE80211_MAX_STREAMS * 2 * _ht40 + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) IEEE80211_MAX_STREAMS * _sgi + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) _streams - 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define _MAX(a, b) (((a)>(b))?(a):(b))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define GROUP_SHIFT(duration) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) _MAX(0, 16 - __builtin_clz(duration))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) /* MCS rate information for an MCS group */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define __MCS_GROUP(_streams, _sgi, _ht40, _s) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) [HT_GROUP_IDX(_streams, _sgi, _ht40)] = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) .shift = _s, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) .duration = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) MCS_DURATION_S(_s, _streams, _sgi, _ht40 ? 54 : 26), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) MCS_DURATION_S(_s, _streams, _sgi, _ht40 ? 108 : 52), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) MCS_DURATION_S(_s, _streams, _sgi, _ht40 ? 162 : 78), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) MCS_DURATION_S(_s, _streams, _sgi, _ht40 ? 216 : 104), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) MCS_DURATION_S(_s, _streams, _sgi, _ht40 ? 324 : 156), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) MCS_DURATION_S(_s, _streams, _sgi, _ht40 ? 432 : 208), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) MCS_DURATION_S(_s, _streams, _sgi, _ht40 ? 486 : 234), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) MCS_DURATION_S(_s, _streams, _sgi, _ht40 ? 540 : 260) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) #define MCS_GROUP_SHIFT(_streams, _sgi, _ht40) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) GROUP_SHIFT(MCS_DURATION(_streams, _sgi, _ht40 ? 54 : 26))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) #define MCS_GROUP(_streams, _sgi, _ht40) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) __MCS_GROUP(_streams, _sgi, _ht40, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) MCS_GROUP_SHIFT(_streams, _sgi, _ht40))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) #define VHT_GROUP_IDX(_streams, _sgi, _bw) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) (IEEE80211_VHT_GROUP_0 + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) IEEE80211_MAX_STREAMS * 2 * (_bw) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) IEEE80211_MAX_STREAMS * (_sgi) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) (_streams) - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #define BW2VBPS(_bw, r4, r3, r2, r1) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) (_bw == BW_160 ? r4 : _bw == BW_80 ? r3 : _bw == BW_40 ? r2 : r1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) #define __VHT_GROUP(_streams, _sgi, _bw, _s) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) [VHT_GROUP_IDX(_streams, _sgi, _bw)] = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .shift = _s, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .duration = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) MCS_DURATION_S(_s, _streams, _sgi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) BW2VBPS(_bw, 234, 117, 54, 26)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) MCS_DURATION_S(_s, _streams, _sgi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) BW2VBPS(_bw, 468, 234, 108, 52)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) MCS_DURATION_S(_s, _streams, _sgi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) BW2VBPS(_bw, 702, 351, 162, 78)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) MCS_DURATION_S(_s, _streams, _sgi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) BW2VBPS(_bw, 936, 468, 216, 104)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) MCS_DURATION_S(_s, _streams, _sgi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) BW2VBPS(_bw, 1404, 702, 324, 156)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) MCS_DURATION_S(_s, _streams, _sgi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) BW2VBPS(_bw, 1872, 936, 432, 208)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) MCS_DURATION_S(_s, _streams, _sgi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) BW2VBPS(_bw, 2106, 1053, 486, 234)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) MCS_DURATION_S(_s, _streams, _sgi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) BW2VBPS(_bw, 2340, 1170, 540, 260)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) MCS_DURATION_S(_s, _streams, _sgi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) BW2VBPS(_bw, 2808, 1404, 648, 312)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) MCS_DURATION_S(_s, _streams, _sgi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) BW2VBPS(_bw, 3120, 1560, 720, 346)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) #define VHT_GROUP_SHIFT(_streams, _sgi, _bw) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) GROUP_SHIFT(MCS_DURATION(_streams, _sgi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) BW2VBPS(_bw, 243, 117, 54, 26)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) #define VHT_GROUP(_streams, _sgi, _bw) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) __VHT_GROUP(_streams, _sgi, _bw, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) VHT_GROUP_SHIFT(_streams, _sgi, _bw))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) #define HE_GROUP_IDX(_streams, _gi, _bw) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) (IEEE80211_HE_GROUP_0 + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) IEEE80211_HE_MAX_STREAMS * 3 * (_bw) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) IEEE80211_HE_MAX_STREAMS * (_gi) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) (_streams) - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) #define __HE_GROUP(_streams, _gi, _bw, _s) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) [HE_GROUP_IDX(_streams, _gi, _bw)] = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) .shift = _s, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) .duration = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) HE_DURATION_S(_s, _streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) BW2VBPS(_bw, 979, 489, 230, 115)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) HE_DURATION_S(_s, _streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) BW2VBPS(_bw, 1958, 979, 475, 230)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) HE_DURATION_S(_s, _streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) BW2VBPS(_bw, 2937, 1468, 705, 345)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) HE_DURATION_S(_s, _streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) BW2VBPS(_bw, 3916, 1958, 936, 475)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) HE_DURATION_S(_s, _streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) BW2VBPS(_bw, 5875, 2937, 1411, 705)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) HE_DURATION_S(_s, _streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) BW2VBPS(_bw, 7833, 3916, 1872, 936)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) HE_DURATION_S(_s, _streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) BW2VBPS(_bw, 8827, 4406, 2102, 1051)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) HE_DURATION_S(_s, _streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) BW2VBPS(_bw, 9806, 4896, 2347, 1166)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) HE_DURATION_S(_s, _streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) BW2VBPS(_bw, 11764, 5875, 2808, 1411)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) HE_DURATION_S(_s, _streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) BW2VBPS(_bw, 13060, 6523, 3124, 1555)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) HE_DURATION_S(_s, _streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) BW2VBPS(_bw, 14702, 7344, 3513, 1756)), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) HE_DURATION_S(_s, _streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) BW2VBPS(_bw, 16329, 8164, 3902, 1944)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) #define HE_GROUP_SHIFT(_streams, _gi, _bw) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) GROUP_SHIFT(HE_DURATION(_streams, _gi, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) BW2VBPS(_bw, 979, 489, 230, 115)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) #define HE_GROUP(_streams, _gi, _bw) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) __HE_GROUP(_streams, _gi, _bw, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) HE_GROUP_SHIFT(_streams, _gi, _bw))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) struct mcs_group {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) u8 shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) u16 duration[MCS_GROUP_RATES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) static const struct mcs_group airtime_mcs_groups[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) MCS_GROUP(1, 0, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) MCS_GROUP(2, 0, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) MCS_GROUP(3, 0, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) MCS_GROUP(4, 0, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) MCS_GROUP(1, 1, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) MCS_GROUP(2, 1, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) MCS_GROUP(3, 1, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) MCS_GROUP(4, 1, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) MCS_GROUP(1, 0, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) MCS_GROUP(2, 0, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) MCS_GROUP(3, 0, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) MCS_GROUP(4, 0, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) MCS_GROUP(1, 1, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) MCS_GROUP(2, 1, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) MCS_GROUP(3, 1, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) MCS_GROUP(4, 1, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) VHT_GROUP(1, 0, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) VHT_GROUP(2, 0, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) VHT_GROUP(3, 0, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) VHT_GROUP(4, 0, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) VHT_GROUP(1, 1, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) VHT_GROUP(2, 1, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) VHT_GROUP(3, 1, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) VHT_GROUP(4, 1, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) VHT_GROUP(1, 0, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) VHT_GROUP(2, 0, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) VHT_GROUP(3, 0, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) VHT_GROUP(4, 0, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) VHT_GROUP(1, 1, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) VHT_GROUP(2, 1, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) VHT_GROUP(3, 1, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) VHT_GROUP(4, 1, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) VHT_GROUP(1, 0, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) VHT_GROUP(2, 0, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) VHT_GROUP(3, 0, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) VHT_GROUP(4, 0, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) VHT_GROUP(1, 1, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) VHT_GROUP(2, 1, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) VHT_GROUP(3, 1, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) VHT_GROUP(4, 1, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) VHT_GROUP(1, 0, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) VHT_GROUP(2, 0, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) VHT_GROUP(3, 0, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) VHT_GROUP(4, 0, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) VHT_GROUP(1, 1, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) VHT_GROUP(2, 1, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) VHT_GROUP(3, 1, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) VHT_GROUP(4, 1, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) HE_GROUP(1, HE_GI_08, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) HE_GROUP(2, HE_GI_08, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) HE_GROUP(3, HE_GI_08, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) HE_GROUP(4, HE_GI_08, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) HE_GROUP(5, HE_GI_08, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) HE_GROUP(6, HE_GI_08, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) HE_GROUP(7, HE_GI_08, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) HE_GROUP(8, HE_GI_08, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) HE_GROUP(1, HE_GI_16, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) HE_GROUP(2, HE_GI_16, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) HE_GROUP(3, HE_GI_16, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) HE_GROUP(4, HE_GI_16, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) HE_GROUP(5, HE_GI_16, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) HE_GROUP(6, HE_GI_16, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) HE_GROUP(7, HE_GI_16, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) HE_GROUP(8, HE_GI_16, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) HE_GROUP(1, HE_GI_32, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) HE_GROUP(2, HE_GI_32, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) HE_GROUP(3, HE_GI_32, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) HE_GROUP(4, HE_GI_32, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) HE_GROUP(5, HE_GI_32, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) HE_GROUP(6, HE_GI_32, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) HE_GROUP(7, HE_GI_32, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) HE_GROUP(8, HE_GI_32, BW_20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) HE_GROUP(1, HE_GI_08, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) HE_GROUP(2, HE_GI_08, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) HE_GROUP(3, HE_GI_08, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) HE_GROUP(4, HE_GI_08, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) HE_GROUP(5, HE_GI_08, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) HE_GROUP(6, HE_GI_08, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) HE_GROUP(7, HE_GI_08, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) HE_GROUP(8, HE_GI_08, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) HE_GROUP(1, HE_GI_16, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) HE_GROUP(2, HE_GI_16, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) HE_GROUP(3, HE_GI_16, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) HE_GROUP(4, HE_GI_16, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) HE_GROUP(5, HE_GI_16, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) HE_GROUP(6, HE_GI_16, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) HE_GROUP(7, HE_GI_16, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) HE_GROUP(8, HE_GI_16, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) HE_GROUP(1, HE_GI_32, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) HE_GROUP(2, HE_GI_32, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) HE_GROUP(3, HE_GI_32, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) HE_GROUP(4, HE_GI_32, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) HE_GROUP(5, HE_GI_32, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) HE_GROUP(6, HE_GI_32, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) HE_GROUP(7, HE_GI_32, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) HE_GROUP(8, HE_GI_32, BW_40),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) HE_GROUP(1, HE_GI_08, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) HE_GROUP(2, HE_GI_08, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) HE_GROUP(3, HE_GI_08, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) HE_GROUP(4, HE_GI_08, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) HE_GROUP(5, HE_GI_08, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) HE_GROUP(6, HE_GI_08, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) HE_GROUP(7, HE_GI_08, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) HE_GROUP(8, HE_GI_08, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) HE_GROUP(1, HE_GI_16, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) HE_GROUP(2, HE_GI_16, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) HE_GROUP(3, HE_GI_16, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) HE_GROUP(4, HE_GI_16, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) HE_GROUP(5, HE_GI_16, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) HE_GROUP(6, HE_GI_16, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) HE_GROUP(7, HE_GI_16, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) HE_GROUP(8, HE_GI_16, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) HE_GROUP(1, HE_GI_32, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) HE_GROUP(2, HE_GI_32, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) HE_GROUP(3, HE_GI_32, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) HE_GROUP(4, HE_GI_32, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) HE_GROUP(5, HE_GI_32, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) HE_GROUP(6, HE_GI_32, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) HE_GROUP(7, HE_GI_32, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) HE_GROUP(8, HE_GI_32, BW_80),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) HE_GROUP(1, HE_GI_08, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) HE_GROUP(2, HE_GI_08, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) HE_GROUP(3, HE_GI_08, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) HE_GROUP(4, HE_GI_08, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) HE_GROUP(5, HE_GI_08, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) HE_GROUP(6, HE_GI_08, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) HE_GROUP(7, HE_GI_08, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) HE_GROUP(8, HE_GI_08, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) HE_GROUP(1, HE_GI_16, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) HE_GROUP(2, HE_GI_16, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) HE_GROUP(3, HE_GI_16, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) HE_GROUP(4, HE_GI_16, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) HE_GROUP(5, HE_GI_16, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) HE_GROUP(6, HE_GI_16, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) HE_GROUP(7, HE_GI_16, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) HE_GROUP(8, HE_GI_16, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) HE_GROUP(1, HE_GI_32, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) HE_GROUP(2, HE_GI_32, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) HE_GROUP(3, HE_GI_32, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) HE_GROUP(4, HE_GI_32, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) HE_GROUP(5, HE_GI_32, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) HE_GROUP(6, HE_GI_32, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) HE_GROUP(7, HE_GI_32, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) HE_GROUP(8, HE_GI_32, BW_160),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) static u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) ieee80211_calc_legacy_rate_duration(u16 bitrate, bool short_pre,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) bool cck, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) u32 duration;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) if (cck) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) duration = 144 + 48; /* preamble + PLCP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) if (short_pre)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) duration >>= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) duration += 10; /* SIFS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) duration = 20 + 16; /* premable + SIFS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) len <<= 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) duration += (len * 10) / bitrate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) return duration;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) static u32 ieee80211_get_rate_duration(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) struct ieee80211_rx_status *status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) u32 *overhead)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) bool sgi = status->enc_flags & RX_ENC_FLAG_SHORT_GI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) int bw, streams;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) int group, idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) u32 duration;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) switch (status->bw) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) case RATE_INFO_BW_20:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) bw = BW_20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) case RATE_INFO_BW_40:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) bw = BW_40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) case RATE_INFO_BW_80:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) bw = BW_80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) case RATE_INFO_BW_160:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) bw = BW_160;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) WARN_ON_ONCE(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) switch (status->encoding) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) case RX_ENC_VHT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) streams = status->nss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) idx = status->rate_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) group = VHT_GROUP_IDX(streams, sgi, bw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) case RX_ENC_HT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) streams = ((status->rate_idx >> 3) & 3) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) idx = status->rate_idx & 7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) group = HT_GROUP_IDX(streams, sgi, bw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) case RX_ENC_HE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) streams = status->nss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) idx = status->rate_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) group = HE_GROUP_IDX(streams, status->he_gi, bw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) WARN_ON_ONCE(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) if (WARN_ON_ONCE((status->encoding != RX_ENC_HE && streams > 4) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) (status->encoding == RX_ENC_HE && streams > 8)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) duration = airtime_mcs_groups[group].duration[idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) duration <<= airtime_mcs_groups[group].shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) *overhead = 36 + (streams << 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) return duration;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) u32 ieee80211_calc_rx_airtime(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) struct ieee80211_rx_status *status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) struct ieee80211_supported_band *sband;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) u32 duration, overhead = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) if (status->encoding == RX_ENC_LEGACY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) const struct ieee80211_rate *rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) bool sp = status->enc_flags & RX_ENC_FLAG_SHORTPRE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) bool cck;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) if (WARN_ON_ONCE(status->band > NL80211_BAND_5GHZ))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) sband = hw->wiphy->bands[status->band];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) if (!sband || status->rate_idx >= sband->n_bitrates)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) rate = &sband->bitrates[status->rate_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) cck = rate->flags & IEEE80211_RATE_MANDATORY_B;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) return ieee80211_calc_legacy_rate_duration(rate->bitrate, sp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) cck, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) duration = ieee80211_get_rate_duration(hw, status, &overhead);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) if (!duration)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) duration *= len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) duration /= AVG_PKT_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) duration /= 1024;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) return duration + overhead;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) EXPORT_SYMBOL_GPL(ieee80211_calc_rx_airtime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) static bool ieee80211_fill_rate_info(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) struct ieee80211_rx_status *stat, u8 band,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) struct rate_info *ri)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) struct ieee80211_supported_band *sband = hw->wiphy->bands[band];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) if (!ri || !sband)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) stat->bw = ri->bw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) stat->nss = ri->nss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) stat->rate_idx = ri->mcs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) if (ri->flags & RATE_INFO_FLAGS_HE_MCS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) stat->encoding = RX_ENC_HE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) else if (ri->flags & RATE_INFO_FLAGS_VHT_MCS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) stat->encoding = RX_ENC_VHT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) else if (ri->flags & RATE_INFO_FLAGS_MCS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) stat->encoding = RX_ENC_HT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) stat->encoding = RX_ENC_LEGACY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) if (ri->flags & RATE_INFO_FLAGS_SHORT_GI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) stat->enc_flags |= RX_ENC_FLAG_SHORT_GI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) stat->he_gi = ri->he_gi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) if (stat->encoding != RX_ENC_LEGACY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) stat->rate_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) for (i = 0; i < sband->n_bitrates; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) if (ri->legacy != sband->bitrates[i].bitrate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) stat->rate_idx = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) static int ieee80211_fill_rx_status(struct ieee80211_rx_status *stat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) struct ieee80211_tx_rate *rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) struct rate_info *ri, u8 band, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) memset(stat, 0, sizeof(*stat));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) stat->band = band;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) if (ieee80211_fill_rate_info(hw, stat, band, ri))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) if (rate->idx < 0 || !rate->count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) stat->bw = RATE_INFO_BW_160;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) stat->bw = RATE_INFO_BW_80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) stat->bw = RATE_INFO_BW_40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) stat->bw = RATE_INFO_BW_20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) stat->enc_flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) stat->enc_flags |= RX_ENC_FLAG_SHORTPRE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) stat->enc_flags |= RX_ENC_FLAG_SHORT_GI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) stat->rate_idx = rate->idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) stat->encoding = RX_ENC_VHT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) stat->rate_idx = ieee80211_rate_get_vht_mcs(rate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) stat->nss = ieee80211_rate_get_vht_nss(rate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) } else if (rate->flags & IEEE80211_TX_RC_MCS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) stat->encoding = RX_ENC_HT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) stat->encoding = RX_ENC_LEGACY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) static u32 ieee80211_calc_tx_airtime_rate(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) struct ieee80211_tx_rate *rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) struct rate_info *ri,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) u8 band, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) struct ieee80211_rx_status stat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) if (ieee80211_fill_rx_status(&stat, hw, rate, ri, band, len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) return ieee80211_calc_rx_airtime(hw, &stat, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) u32 ieee80211_calc_tx_airtime(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) struct ieee80211_tx_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) u32 duration = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) for (i = 0; i < ARRAY_SIZE(info->status.rates); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) struct ieee80211_tx_rate *rate = &info->status.rates[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) u32 cur_duration;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) cur_duration = ieee80211_calc_tx_airtime_rate(hw, rate, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) info->band, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) if (!cur_duration)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) duration += cur_duration * rate->count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) return duration;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) EXPORT_SYMBOL_GPL(ieee80211_calc_tx_airtime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) u32 ieee80211_calc_expected_tx_airtime(struct ieee80211_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) struct ieee80211_vif *vif,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) struct ieee80211_sta *pubsta,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) int len, bool ampdu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) struct ieee80211_supported_band *sband;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) struct ieee80211_chanctx_conf *conf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) int rateidx, shift = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) bool cck, short_pream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) u32 basic_rates;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) u8 band = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) u16 rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) len += 38; /* Ethernet header length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) conf = rcu_dereference(vif->chanctx_conf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) if (conf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) band = conf->def.chan->band;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) shift = ieee80211_chandef_get_shift(&conf->def);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) if (pubsta) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) struct sta_info *sta = container_of(pubsta, struct sta_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) struct ieee80211_rx_status stat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) struct ieee80211_tx_rate *rate = &sta->tx_stats.last_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) struct rate_info *ri = &sta->tx_stats.last_rate_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) u32 duration, overhead;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) u8 agg_shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) if (ieee80211_fill_rx_status(&stat, hw, rate, ri, band, len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) if (stat.encoding == RX_ENC_LEGACY || !ampdu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) return ieee80211_calc_rx_airtime(hw, &stat, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) duration = ieee80211_get_rate_duration(hw, &stat, &overhead);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) * Assume that HT/VHT transmission on any AC except VO will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) * use aggregation. Since we don't have reliable reporting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) * of aggregation length, assume an average size based on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) * tx rate.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) * This will not be very accurate, but much better than simply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) * assuming un-aggregated tx in all cases.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) if (duration > 400 * 1024) /* <= VHT20 MCS2 1S */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) agg_shift = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) else if (duration > 250 * 1024) /* <= VHT20 MCS3 1S or MCS1 2S */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) agg_shift = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) else if (duration > 150 * 1024) /* <= VHT20 MCS5 1S or MCS2 2S */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) agg_shift = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) else if (duration > 70 * 1024) /* <= VHT20 MCS5 2S */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) agg_shift = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) else if (stat.encoding != RX_ENC_HE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) duration > 20 * 1024) /* <= HE40 MCS6 2S */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) agg_shift = 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) agg_shift = 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) duration *= len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) duration /= AVG_PKT_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) duration /= 1024;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) duration += (overhead >> agg_shift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) return max_t(u32, duration, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) if (!conf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) /* No station to get latest rate from, so calculate the worst-case
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) * duration using the lowest configured basic rate.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) sband = hw->wiphy->bands[band];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) basic_rates = vif->bss_conf.basic_rates;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) short_pream = vif->bss_conf.use_short_preamble;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) rateidx = basic_rates ? ffs(basic_rates) - 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) rate = sband->bitrates[rateidx].bitrate << shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) cck = sband->bitrates[rateidx].flags & IEEE80211_RATE_MANDATORY_B;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) return ieee80211_calc_legacy_rate_duration(rate, short_pream, cck, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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