aboutsummaryrefslogtreecommitdiffstats
path: root/package/kernel/mac80211/patches/335-mac80211-minstrel_ht-set-A-MSDU-tx-limits-based-on-s.patch
diff options
context:
space:
mode:
Diffstat (limited to 'package/kernel/mac80211/patches/335-mac80211-minstrel_ht-set-A-MSDU-tx-limits-based-on-s.patch')
-rw-r--r--package/kernel/mac80211/patches/335-mac80211-minstrel_ht-set-A-MSDU-tx-limits-based-on-s.patch61
1 files changed, 0 insertions, 61 deletions
diff --git a/package/kernel/mac80211/patches/335-mac80211-minstrel_ht-set-A-MSDU-tx-limits-based-on-s.patch b/package/kernel/mac80211/patches/335-mac80211-minstrel_ht-set-A-MSDU-tx-limits-based-on-s.patch
deleted file mode 100644
index acaacf7cac..0000000000
--- a/package/kernel/mac80211/patches/335-mac80211-minstrel_ht-set-A-MSDU-tx-limits-based-on-s.patch
+++ /dev/null
@@ -1,61 +0,0 @@
-From: Felix Fietkau <nbd@openwrt.org>
-Date: Thu, 18 Feb 2016 19:30:05 +0100
-Subject: [PATCH] mac80211: minstrel_ht: set A-MSDU tx limits based on selected
- max_prob_rate
-
-Prevents excessive A-MSDU aggregation at low data rates or bad
-conditions.
-
-Signed-off-by: Felix Fietkau <nbd@openwrt.org>
----
-
---- a/net/mac80211/rc80211_minstrel_ht.c
-+++ b/net/mac80211/rc80211_minstrel_ht.c
-@@ -883,6 +883,39 @@ minstrel_ht_set_rate(struct minstrel_pri
- ratetbl->rate[offset].flags = flags;
- }
-
-+static int
-+minstrel_ht_get_max_amsdu_len(struct minstrel_ht_sta *mi)
-+{
-+ int group = mi->max_prob_rate / MCS_GROUP_RATES;
-+ const struct mcs_group *g = &minstrel_mcs_groups[group];
-+ int rate = mi->max_prob_rate % MCS_GROUP_RATES;
-+
-+ /* Disable A-MSDU if max_prob_rate is bad */
-+ if (mi->groups[group].rates[rate].prob_ewma < MINSTREL_FRAC(50, 100))
-+ return 1;
-+
-+ /* If the rate is slower than single-stream MCS1, make A-MSDU limit small */
-+ if (g->duration[rate] > MCS_DURATION(1, 0, 52))
-+ return 500;
-+
-+ /*
-+ * If the rate is slower than single-stream MCS4, limit A-MSDU to usual
-+ * data packet size
-+ */
-+ if (g->duration[rate] > MCS_DURATION(1, 0, 104))
-+ return 1500;
-+
-+ /*
-+ * If the rate is slower than single-stream MCS7, limit A-MSDU to twice
-+ * the usual data packet size
-+ */
-+ if (g->duration[rate] > MCS_DURATION(1, 0, 260))
-+ return 3000;
-+
-+ /* unlimited */
-+ return 0;
-+}
-+
- static void
- minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
- {
-@@ -907,6 +940,7 @@ minstrel_ht_update_rates(struct minstrel
- minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_prob_rate);
- }
-
-+ mi->sta->max_rc_amsdu_len = minstrel_ht_get_max_amsdu_len(mi);
- rates->rate[i].idx = -1;
- rate_control_set_rates(mp->hw, mi->sta, rates);
- }