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| author | Felix Fietkau <nbd@nbd.name> | 2020-08-27 13:02:42 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-09-01 17:01:56 +0200 |
| commit | 2c14710c54befc69e70fff52240875b2bbf94cd1 (patch) | |
| tree | 1e74251b1c2068bb21e436b023d69e30c45b30f9 /package | |
| parent | b5d425af237dc03327078d6b9be178a38b5f8723 (diff) | |
| download | upstream-2c14710c54befc69e70fff52240875b2bbf94cd1.tar.gz upstream-2c14710c54befc69e70fff52240875b2bbf94cd1.tar.bz2 upstream-2c14710c54befc69e70fff52240875b2bbf94cd1.zip | |
mac80211: add more AQL fixes/improvements
Fix aggregation length estimation, add HE and VHT160 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package')
2 files changed, 72 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/327-mac80211-extend-AQL-aggregation-estimation-to-HE-and.patch b/package/kernel/mac80211/patches/subsys/327-mac80211-extend-AQL-aggregation-estimation-to-HE-and.patch new file mode 100644 index 0000000000..3d687f8341 --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/327-mac80211-extend-AQL-aggregation-estimation-to-HE-and.patch @@ -0,0 +1,49 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Thu, 27 Aug 2020 12:44:36 +0200 +Subject: [PATCH] mac80211: extend AQL aggregation estimation to HE and fix + unit mismatch + +The unit of the return value of ieee80211_get_rate_duration is nanoseconds, not +milliseconds. Adjust the duration checks to account for that. +For higher data rates, allow larger estimated aggregation sizes, and add some +values for HE as well, which can use much larger aggregates. +Since small packets with high data rates can now lead to duration values too +small for info->tx_time_est, return a minimum of 4us. + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/net/mac80211/airtime.c ++++ b/net/mac80211/airtime.c +@@ -668,20 +668,26 @@ u32 ieee80211_calc_expected_tx_airtime(s + * This will not be very accurate, but much better than simply + * assuming un-aggregated tx in all cases. + */ +- if (duration > 400) /* <= VHT20 MCS2 1S */ ++ if (duration > 400 * 1024) /* <= VHT20 MCS2 1S */ + agg_shift = 1; +- else if (duration > 250) /* <= VHT20 MCS3 1S or MCS1 2S */ ++ else if (duration > 250 * 1024) /* <= VHT20 MCS3 1S or MCS1 2S */ + agg_shift = 2; +- else if (duration > 150) /* <= VHT20 MCS5 1S or MCS3 2S */ ++ else if (duration > 150 * 1024) /* <= VHT20 MCS5 1S or MCS2 2S */ + agg_shift = 3; +- else ++ else if (duration > 70 * 1024) /* <= VHT20 MCS5 2S */ + agg_shift = 4; ++ else if (stat.encoding != RX_ENC_HE || ++ duration > 20 * 1024) /* <= HE40 MCS6 2S */ ++ agg_shift = 5; ++ else ++ agg_shift = 6; + + duration *= len; + duration /= AVG_PKT_SIZE; + duration /= 1024; ++ duration += (overhead >> agg_shift); + +- return duration + (overhead >> agg_shift); ++ return max_t(u32, duration, 4); + } + + if (!conf) diff --git a/package/kernel/mac80211/patches/subsys/328-mac80211-add-AQL-support-for-VHT160-tx-rates.patch b/package/kernel/mac80211/patches/subsys/328-mac80211-add-AQL-support-for-VHT160-tx-rates.patch new file mode 100644 index 0000000000..e22a09e711 --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/328-mac80211-add-AQL-support-for-VHT160-tx-rates.patch @@ -0,0 +1,23 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Thu, 27 Aug 2020 12:47:48 +0200 +Subject: [PATCH] mac80211: add AQL support for VHT160 tx rates + +When converting from struct ieee80211_tx_rate to ieee80211_rx_status, +there was one check missing to fill in the bandwidth for 160 MHz + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/net/mac80211/airtime.c ++++ b/net/mac80211/airtime.c +@@ -560,7 +560,9 @@ static int ieee80211_fill_rx_status(stru + if (rate->idx < 0 || !rate->count) + return -1; + +- if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) ++ if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) ++ stat->bw = RATE_INFO_BW_160; ++ else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) + stat->bw = RATE_INFO_BW_80; + else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) + stat->bw = RATE_INFO_BW_40; |