mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-26 17:01:14 +00:00
431fb8cae9
Add AQL support for HE drivers. Improve assumed aggregation length based on tx rate Signed-off-by: Felix Fietkau <nbd@nbd.name>
152 lines
4.2 KiB
Diff
152 lines
4.2 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
|
|
Date: Wed, 12 Aug 2020 17:04:22 +0200
|
|
Subject: [PATCH] mac80211: use rate provided via status->rate on
|
|
ieee80211_tx_status_ext for AQL
|
|
|
|
Since ieee80211_tx_info does not have enough room to encode HE rates, HE
|
|
drivers use status->rate to provide rate info.
|
|
Store it in struct sta_info and use it for AQL.
|
|
|
|
Signed-off-by: Felix Fietkau <nbd@nbd.name>
|
|
---
|
|
|
|
--- a/net/mac80211/airtime.c
|
|
+++ b/net/mac80211/airtime.c
|
|
@@ -487,14 +487,61 @@ u32 ieee80211_calc_rx_airtime(struct iee
|
|
}
|
|
EXPORT_SYMBOL_GPL(ieee80211_calc_rx_airtime);
|
|
|
|
+static bool ieee80211_fill_rate_info(struct ieee80211_hw *hw,
|
|
+ struct ieee80211_rx_status *stat, u8 band,
|
|
+ struct rate_info *ri)
|
|
+{
|
|
+ struct ieee80211_supported_band *sband = hw->wiphy->bands[band];
|
|
+ int i;
|
|
+
|
|
+ if (!ri || !sband)
|
|
+ return false;
|
|
+
|
|
+ stat->bw = ri->bw;
|
|
+ stat->nss = ri->nss;
|
|
+ stat->rate_idx = ri->mcs;
|
|
+
|
|
+ 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;
|
|
+ else if (ri->flags & RATE_INFO_FLAGS_MCS)
|
|
+ stat->encoding = RX_ENC_HT;
|
|
+ else
|
|
+ stat->encoding = RX_ENC_LEGACY;
|
|
+
|
|
+ if (ri->flags & RATE_INFO_FLAGS_SHORT_GI)
|
|
+ stat->enc_flags |= RX_ENC_FLAG_SHORT_GI;
|
|
+
|
|
+ stat->he_gi = ri->he_gi;
|
|
+
|
|
+ if (stat->encoding != RX_ENC_LEGACY)
|
|
+ return true;
|
|
+
|
|
+ stat->rate_idx = 0;
|
|
+ for (i = 0; i < sband->n_bitrates; i++) {
|
|
+ if (ri->legacy != sband->bitrates[i].bitrate)
|
|
+ continue;
|
|
+
|
|
+ stat->rate_idx = i;
|
|
+ return true;
|
|
+ }
|
|
+
|
|
+ return false;
|
|
+}
|
|
+
|
|
static u32 ieee80211_calc_tx_airtime_rate(struct ieee80211_hw *hw,
|
|
struct ieee80211_tx_rate *rate,
|
|
+ struct rate_info *ri,
|
|
u8 band, int len)
|
|
{
|
|
struct ieee80211_rx_status stat = {
|
|
.band = band,
|
|
};
|
|
|
|
+ if (ieee80211_fill_rate_info(hw, &stat, band, ri))
|
|
+ goto out;
|
|
+
|
|
if (rate->idx < 0 || !rate->count)
|
|
return 0;
|
|
|
|
@@ -522,6 +569,7 @@ static u32 ieee80211_calc_tx_airtime_rat
|
|
stat.encoding = RX_ENC_LEGACY;
|
|
}
|
|
|
|
+out:
|
|
return ieee80211_calc_rx_airtime(hw, &stat, len);
|
|
}
|
|
|
|
@@ -536,7 +584,7 @@ u32 ieee80211_calc_tx_airtime(struct iee
|
|
struct ieee80211_tx_rate *rate = &info->status.rates[i];
|
|
u32 cur_duration;
|
|
|
|
- cur_duration = ieee80211_calc_tx_airtime_rate(hw, rate,
|
|
+ cur_duration = ieee80211_calc_tx_airtime_rate(hw, rate, NULL,
|
|
info->band, len);
|
|
if (!cur_duration)
|
|
break;
|
|
@@ -573,6 +621,7 @@ u32 ieee80211_calc_expected_tx_airtime(s
|
|
struct sta_info *sta = container_of(pubsta, struct sta_info,
|
|
sta);
|
|
struct ieee80211_tx_rate *rate = &sta->tx_stats.last_rate;
|
|
+ struct rate_info *ri = &sta->tx_stats.last_rate_info;
|
|
u32 airtime;
|
|
|
|
if (!(rate->flags & (IEEE80211_TX_RC_VHT_MCS |
|
|
@@ -586,7 +635,7 @@ u32 ieee80211_calc_expected_tx_airtime(s
|
|
* This will not be very accurate, but much better than simply
|
|
* assuming un-aggregated tx.
|
|
*/
|
|
- airtime = ieee80211_calc_tx_airtime_rate(hw, rate, band,
|
|
+ airtime = ieee80211_calc_tx_airtime_rate(hw, rate, ri, band,
|
|
ampdu ? len * 16 : len);
|
|
if (ampdu)
|
|
airtime /= 16;
|
|
--- a/net/mac80211/sta_info.h
|
|
+++ b/net/mac80211/sta_info.h
|
|
@@ -609,6 +609,7 @@ struct sta_info {
|
|
u64 packets[IEEE80211_NUM_ACS];
|
|
u64 bytes[IEEE80211_NUM_ACS];
|
|
struct ieee80211_tx_rate last_rate;
|
|
+ struct rate_info last_rate_info;
|
|
u64 msdu[IEEE80211_NUM_TIDS + 1];
|
|
} tx_stats;
|
|
u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1];
|
|
--- a/net/mac80211/status.c
|
|
+++ b/net/mac80211/status.c
|
|
@@ -1147,9 +1147,17 @@ void ieee80211_tx_status_ext(struct ieee
|
|
struct ieee80211_tx_info *info = status->info;
|
|
struct ieee80211_sta *pubsta = status->sta;
|
|
struct ieee80211_supported_band *sband;
|
|
+ struct sta_info *sta;
|
|
int retry_count;
|
|
bool acked, noack_success;
|
|
|
|
+ if (pubsta) {
|
|
+ sta = container_of(pubsta, struct sta_info, sta);
|
|
+
|
|
+ if (status->rate)
|
|
+ sta->tx_stats.last_rate_info = *status->rate;
|
|
+ }
|
|
+
|
|
if (status->skb)
|
|
return __ieee80211_tx_status(hw, status);
|
|
|
|
@@ -1164,10 +1172,6 @@ void ieee80211_tx_status_ext(struct ieee
|
|
noack_success = !!(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED);
|
|
|
|
if (pubsta) {
|
|
- struct sta_info *sta;
|
|
-
|
|
- sta = container_of(pubsta, struct sta_info, sta);
|
|
-
|
|
if (!acked && !noack_success)
|
|
sta->status_stats.retry_failed++;
|
|
sta->status_stats.retry_count += retry_count;
|