diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/301-mac80211-minstrel-remove-divisions-in-tx-status-path.patch')
-rw-r--r-- | package/kernel/mac80211/patches/subsys/301-mac80211-minstrel-remove-divisions-in-tx-status-path.patch | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/package/kernel/mac80211/patches/subsys/301-mac80211-minstrel-remove-divisions-in-tx-status-path.patch b/package/kernel/mac80211/patches/subsys/301-mac80211-minstrel-remove-divisions-in-tx-status-path.patch deleted file mode 100644 index 91fb92f1b2..0000000000 --- a/package/kernel/mac80211/patches/subsys/301-mac80211-minstrel-remove-divisions-in-tx-status-path.patch +++ /dev/null @@ -1,61 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Sat, 28 Sep 2019 15:44:06 +0200 -Subject: [PATCH] mac80211: minstrel: remove divisions in tx status path - -Use a slightly different threshold for downgrading spatial streams to -make it easier to calculate without divisions. -Slightly reduces CPU overhead. - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - ---- a/net/mac80211/rc80211_minstrel.c -+++ b/net/mac80211/rc80211_minstrel.c -@@ -289,8 +289,7 @@ minstrel_tx_status(void *priv, struct ie - if (mi->sample_deferred > 0) - mi->sample_deferred--; - -- if (time_after(jiffies, mi->last_stats_update + -- (mp->update_interval * HZ) / 1000)) -+ if (time_after(jiffies, mi->last_stats_update + mp->update_interval)) - minstrel_update_stats(mp, mi); - } - ---- a/net/mac80211/rc80211_minstrel_ht.c -+++ b/net/mac80211/rc80211_minstrel_ht.c -@@ -970,23 +970,21 @@ minstrel_ht_tx_status(void *priv, struct - */ - rate = minstrel_get_ratestats(mi, mi->max_tp_rate[0]); - if (rate->attempts > 30 && -- MINSTREL_FRAC(rate->success, rate->attempts) < -- MINSTREL_FRAC(20, 100)) { -+ rate->success < rate->attempts / 4) { - minstrel_downgrade_rate(mi, &mi->max_tp_rate[0], true); - update = true; - } - - rate2 = minstrel_get_ratestats(mi, mi->max_tp_rate[1]); - if (rate2->attempts > 30 && -- MINSTREL_FRAC(rate2->success, rate2->attempts) < -- MINSTREL_FRAC(20, 100)) { -+ rate2->success < rate2->attempts / 4) { - minstrel_downgrade_rate(mi, &mi->max_tp_rate[1], false); - update = true; - } - } - - if (time_after(jiffies, mi->last_stats_update + -- (mp->update_interval / 2 * HZ) / 1000)) { -+ mp->update_interval / 2)) { - update = true; - minstrel_ht_update_stats(mp, mi, true); - } -@@ -1666,7 +1664,7 @@ minstrel_ht_alloc(struct ieee80211_hw *h - mp->has_mrr = true; - - mp->hw = hw; -- mp->update_interval = 100; -+ mp->update_interval = HZ / 10; - - minstrel_ht_init_cck_rates(mp); - |