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wifi: mac80211: introduce EHT rate support in AQL airtime

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Add definitions related to EHT mode and airtime calculation
according to the 802.11BE_D4.0.

Co-developed-by: Bo Jiao <Bo.Jiao@mediatek.com>
Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Quan Zhou <quan.zhou@mediatek.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Link: https://patch.msgid.link/20240904111256.11734-1-mingyen.hsieh@mediatek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ming Yen Hsieh 2024-09-04 19:12:56 +08:00 committed by Johannes Berg
parent 450732abad
commit 3702a33216
1 changed files with 134 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

140
net/mac80211/airtime.c
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@ -55,10 +55,21 @@
#define HE_DURATION_S(shift, streams, gi, bps) \
(HE_DURATION(streams, gi, bps) >> shift)
/* gi in HE/EHT is identical. It matches enum nl80211_eht_gi as well */
#define EHT_GI_08 HE_GI_08
#define EHT_GI_16 HE_GI_16
#define EHT_GI_32 HE_GI_32
#define EHT_DURATION(streams, gi, bps) \
HE_DURATION(streams, gi, bps)
#define EHT_DURATION_S(shift, streams, gi, bps) \
HE_DURATION_S(shift, streams, gi, bps)
#define BW_20 0
#define BW_40 1
#define BW_80 2
#define BW_160 3
#define BW_320 4
/*
* Define group sort order: HT40 -> SGI -> #streams
@ -68,17 +79,26 @@
#define IEEE80211_VHT_STREAM_GROUPS 8 /* BW(=4) * SGI(=2) */
#define IEEE80211_HE_MAX_STREAMS 8
#define IEEE80211_HE_STREAM_GROUPS 12 /* BW(=4) * GI(=3) */
#define IEEE80211_EHT_MAX_STREAMS 8
#define IEEE80211_EHT_STREAM_GROUPS 15 /* BW(=5) * GI(=3) */
#define IEEE80211_HT_GROUPS_NB (IEEE80211_MAX_STREAMS * \
IEEE80211_HT_STREAM_GROUPS)
#define IEEE80211_VHT_GROUPS_NB (IEEE80211_MAX_STREAMS * \
IEEE80211_VHT_STREAM_GROUPS)
#define IEEE80211_HE_GROUPS_NB (IEEE80211_HE_MAX_STREAMS * \
IEEE80211_HE_STREAM_GROUPS)
#define IEEE80211_EHT_GROUPS_NB (IEEE80211_EHT_MAX_STREAMS * \
IEEE80211_EHT_STREAM_GROUPS)
#define IEEE80211_HT_GROUP_0 0
#define IEEE80211_VHT_GROUP_0 (IEEE80211_HT_GROUP_0 + IEEE80211_HT_GROUPS_NB)
#define IEEE80211_HE_GROUP_0 (IEEE80211_VHT_GROUP_0 + IEEE80211_VHT_GROUPS_NB)
#define IEEE80211_EHT_GROUP_0 (IEEE80211_HE_GROUP_0 + IEEE80211_HE_GROUPS_NB)
#define MCS_GROUP_RATES 12
#define MCS_GROUP_RATES 14
#define HT_GROUP_IDX(_streams, _sgi, _ht40) \
IEEE80211_HT_GROUP_0 + \
@ -203,6 +223,69 @@
#define HE_GROUP(_streams, _gi, _bw) \
__HE_GROUP(_streams, _gi, _bw, \
HE_GROUP_SHIFT(_streams, _gi, _bw))
#define EHT_BW2VBPS(_bw, r5, r4, r3, r2, r1) \
((_bw) == BW_320 ? r5 : BW2VBPS(_bw, r4, r3, r2, r1))
#define EHT_GROUP_IDX(_streams, _gi, _bw) \
(IEEE80211_EHT_GROUP_0 + \
IEEE80211_EHT_MAX_STREAMS * 3 * (_bw) + \
IEEE80211_EHT_MAX_STREAMS * (_gi) + \
(_streams) - 1)
#define __EHT_GROUP(_streams, _gi, _bw, _s) \
[EHT_GROUP_IDX(_streams, _gi, _bw)] = { \
.shift = _s, \
.duration = { \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 1960, 980, 490, 234, 117)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 3920, 1960, 980, 468, 234)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 5880, 2937, 1470, 702, 351)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 7840, 3920, 1960, 936, 468)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 11760, 5880, 2940, 1404, 702)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 15680, 7840, 3920, 1872, 936)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 17640, 8820, 4410, 2106, 1053)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 19600, 9800, 4900, 2340, 1170)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 23520, 11760, 5880, 2808, 1404)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 26133, 13066, 6533, 3120, 1560)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 29400, 14700, 7350, 3510, 1755)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 32666, 16333, 8166, 3900, 1950)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 35280, 17640, 8820, 4212, 2106)), \
EHT_DURATION_S(_s, _streams, _gi, \
EHT_BW2VBPS(_bw, 39200, 19600, 9800, 4680, 2340)) \
} \
}
#define EHT_GROUP_SHIFT(_streams, _gi, _bw) \
GROUP_SHIFT(EHT_DURATION(_streams, _gi, \
EHT_BW2VBPS(_bw, 1960, 980, 490, 234, 117)))
#define EHT_GROUP(_streams, _gi, _bw) \
__EHT_GROUP(_streams, _gi, _bw, \
EHT_GROUP_SHIFT(_streams, _gi, _bw))
#define EHT_GROUP_RANGE(_gi, _bw) \
EHT_GROUP(1, _gi, _bw), \
EHT_GROUP(2, _gi, _bw), \
EHT_GROUP(3, _gi, _bw), \
EHT_GROUP(4, _gi, _bw), \
EHT_GROUP(5, _gi, _bw), \
EHT_GROUP(6, _gi, _bw), \
EHT_GROUP(7, _gi, _bw), \
EHT_GROUP(8, _gi, _bw)
struct mcs_group {
u8 shift;
u16 duration[MCS_GROUP_RATES];
@ -376,6 +459,26 @@ static const struct mcs_group airtime_mcs_groups[] = {
HE_GROUP(6, HE_GI_32, BW_160),
HE_GROUP(7, HE_GI_32, BW_160),
HE_GROUP(8, HE_GI_32, BW_160),
EHT_GROUP_RANGE(EHT_GI_08, BW_20),
EHT_GROUP_RANGE(EHT_GI_16, BW_20),
EHT_GROUP_RANGE(EHT_GI_32, BW_20),
EHT_GROUP_RANGE(EHT_GI_08, BW_40),
EHT_GROUP_RANGE(EHT_GI_16, BW_40),
EHT_GROUP_RANGE(EHT_GI_32, BW_40),
EHT_GROUP_RANGE(EHT_GI_08, BW_80),
EHT_GROUP_RANGE(EHT_GI_16, BW_80),
EHT_GROUP_RANGE(EHT_GI_32, BW_80),
EHT_GROUP_RANGE(EHT_GI_08, BW_160),
EHT_GROUP_RANGE(EHT_GI_16, BW_160),
EHT_GROUP_RANGE(EHT_GI_32, BW_160),
EHT_GROUP_RANGE(EHT_GI_08, BW_320),
EHT_GROUP_RANGE(EHT_GI_16, BW_320),
EHT_GROUP_RANGE(EHT_GI_32, BW_320),
};
static u32
@ -422,6 +525,9 @@ static u32 ieee80211_get_rate_duration(struct ieee80211_hw *hw,
case RATE_INFO_BW_160:
bw = BW_160;
break;
case RATE_INFO_BW_320:
bw = BW_320;
break;
default:
WARN_ON_ONCE(1);
return 0;
@ -443,14 +549,27 @@ static u32 ieee80211_get_rate_duration(struct ieee80211_hw *hw,
idx = status->rate_idx;
group = HE_GROUP_IDX(streams, status->he_gi, bw);
break;
case RX_ENC_EHT:
streams = status->nss;
idx = status->rate_idx;
group = EHT_GROUP_IDX(streams, status->eht.gi, bw);
break;
default:
WARN_ON_ONCE(1);
return 0;
}
if (WARN_ON_ONCE((status->encoding != RX_ENC_HE && streams > 4) ||
(status->encoding == RX_ENC_HE && streams > 8)))
return 0;
switch (status->encoding) {
case RX_ENC_EHT:
case RX_ENC_HE:
if (WARN_ON_ONCE(streams > 8))
return 0;
break;
default:
if (WARN_ON_ONCE(streams > 4))
return 0;
break;
}
if (idx >= MCS_GROUP_RATES)
return 0;
@ -517,7 +636,9 @@ static bool ieee80211_fill_rate_info(struct ieee80211_hw *hw,
stat->nss = ri->nss;
stat->rate_idx = ri->mcs;
if (ri->flags & RATE_INFO_FLAGS_HE_MCS)
if (ri->flags & RATE_INFO_FLAGS_EHT_MCS)
stat->encoding = RX_ENC_EHT;
else if (ri->flags & RATE_INFO_FLAGS_HE_MCS)
stat->encoding = RX_ENC_HE;
else if (ri->flags & RATE_INFO_FLAGS_VHT_MCS)
stat->encoding = RX_ENC_VHT;
@ -529,7 +650,14 @@ static bool ieee80211_fill_rate_info(struct ieee80211_hw *hw,
if (ri->flags & RATE_INFO_FLAGS_SHORT_GI)
stat->enc_flags |= RX_ENC_FLAG_SHORT_GI;
stat->he_gi = ri->he_gi;
switch (stat->encoding) {
case RX_ENC_EHT:
stat->eht.gi = ri->eht_gi;
break;
default:
stat->he_gi = ri->he_gi;
break;
}
if (stat->encoding != RX_ENC_LEGACY)
return true;