diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/309-mac80211-minstrel-fix-sampling-reporting-of-CCK-rate.patch')
-rw-r--r-- | package/kernel/mac80211/patches/subsys/309-mac80211-minstrel-fix-sampling-reporting-of-CCK-rate.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/package/kernel/mac80211/patches/subsys/309-mac80211-minstrel-fix-sampling-reporting-of-CCK-rate.patch b/package/kernel/mac80211/patches/subsys/309-mac80211-minstrel-fix-sampling-reporting-of-CCK-rate.patch deleted file mode 100644 index e0049c36eb..0000000000 --- a/package/kernel/mac80211/patches/subsys/309-mac80211-minstrel-fix-sampling-reporting-of-CCK-rate.patch +++ /dev/null @@ -1,58 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Thu, 1 Mar 2018 13:28:48 +0100 -Subject: [PATCH] mac80211: minstrel: fix sampling/reporting of CCK rates - in HT mode - -Long/short preamble selection cannot be sampled separately, since it -depends on the BSS state. Because of that, sampling attempts to -currently not used preamble modes are not counted in the statistics, -which leads to CCK rates being sampled too often. - -Fix statistics accounting for long/short preamble by increasing the -index where necessary. -Fix excessive CCK rate sampling by dropping unsupported sample attempts. - -This improves throughput on 2.4 GHz channels - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - ---- a/net/mac80211/rc80211_minstrel_ht.c -+++ b/net/mac80211/rc80211_minstrel_ht.c -@@ -281,7 +281,8 @@ minstrel_ht_get_stats(struct minstrel_pr - break; - - /* short preamble */ -- if (!(mi->supported[group] & BIT(idx))) -+ if ((mi->supported[group] & BIT(idx + 4)) && -+ (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)) - idx += 4; - } - return &mi->groups[group].rates[idx]; -@@ -1080,18 +1081,23 @@ minstrel_ht_get_rate(void *priv, struct - return; - - sample_group = &minstrel_mcs_groups[sample_idx / MCS_GROUP_RATES]; -+ sample_idx %= MCS_GROUP_RATES; -+ -+ if (sample_group == &minstrel_mcs_groups[MINSTREL_CCK_GROUP] && -+ (sample_idx >= 4) != txrc->short_preamble) -+ return; -+ - info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE; - rate->count = 1; - -- if (sample_idx / MCS_GROUP_RATES == MINSTREL_CCK_GROUP) { -+ if (sample_group == &minstrel_mcs_groups[MINSTREL_CCK_GROUP]) { - int idx = sample_idx % ARRAY_SIZE(mp->cck_rates); - rate->idx = mp->cck_rates[idx]; - } else if (sample_group->flags & IEEE80211_TX_RC_VHT_MCS) { - ieee80211_rate_set_vht(rate, sample_idx % MCS_GROUP_RATES, - sample_group->streams); - } else { -- rate->idx = sample_idx % MCS_GROUP_RATES + -- (sample_group->streams - 1) * 8; -+ rate->idx = sample_idx + (sample_group->streams - 1) * 8; - } - - rate->flags = sample_group->flags; |