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-rw-r--r--package/kernel/mac80211/Makefile2
-rw-r--r--package/kernel/mac80211/patches/subsys/305-mac80211-fix-tx-status-for-no-ack-cases.patch82
2 files changed, 83 insertions, 1 deletions
diff --git a/package/kernel/mac80211/Makefile b/package/kernel/mac80211/Makefile
index cd50bd590e..6220b73701 100644
--- a/package/kernel/mac80211/Makefile
+++ b/package/kernel/mac80211/Makefile
@@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=mac80211
PKG_VERSION:=4.19.112-1
-PKG_RELEASE:=1
+PKG_RELEASE:=2
PKG_SOURCE_URL:=@KERNEL/linux/kernel/projects/backports/stable/v4.19.112/
PKG_HASH:=e60a7aec902638c538b150d0d6165d866eb804845b97d7770acd653fd6a6b718
diff --git a/package/kernel/mac80211/patches/subsys/305-mac80211-fix-tx-status-for-no-ack-cases.patch b/package/kernel/mac80211/patches/subsys/305-mac80211-fix-tx-status-for-no-ack-cases.patch
new file mode 100644
index 0000000000..3ea78fb4ab
--- /dev/null
+++ b/package/kernel/mac80211/patches/subsys/305-mac80211-fix-tx-status-for-no-ack-cases.patch
@@ -0,0 +1,82 @@
+From: Markus Theil <markus.theil@tu-ilmenau.de>
+Date: Wed, 18 Dec 2019 15:27:36 +0100
+Subject: [PATCH] mac80211: fix tx status for no ack cases
+
+Before this patch, frames which where successfully transmitted without
+requiring acks where accounted as lost frames.
+
+Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
+Link: https://lore.kernel.org/r/20191218142736.15843-1-markus.theil@tu-ilmenau.de
+Signed-off-by: Johannes Berg <johannes.berg@intel.com>
+---
+
+--- a/net/mac80211/status.c
++++ b/net/mac80211/status.c
+@@ -881,6 +881,7 @@ static void __ieee80211_tx_status(struct
+ int rates_idx;
+ bool send_to_cooked;
+ bool acked;
++ bool noack_success;
+ struct ieee80211_bar *bar;
+ int shift = 0;
+ int tid = IEEE80211_NUM_TIDS;
+@@ -898,6 +899,8 @@ static void __ieee80211_tx_status(struct
+ clear_sta_flag(sta, WLAN_STA_SP);
+
+ acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
++ noack_success = !!(info->flags &
++ IEEE80211_TX_STAT_NOACK_TRANSMITTED);
+
+ /* mesh Peer Service Period support */
+ if (ieee80211_vif_is_mesh(&sta->sdata->vif) &&
+@@ -962,12 +965,12 @@ static void __ieee80211_tx_status(struct
+ ieee80211_handle_filtered_frame(local, sta, skb);
+ return;
+ } else {
+- if (!acked)
++ if (!acked && !noack_success)
+ sta->status_stats.retry_failed++;
+ sta->status_stats.retry_count += retry_count;
+
+ if (ieee80211_is_data_present(fc)) {
+- if (!acked)
++ if (!acked && !noack_success)
+ sta->status_stats.msdu_failed[tid]++;
+
+ sta->status_stats.msdu_retries[tid] +=
+@@ -994,7 +997,7 @@ static void __ieee80211_tx_status(struct
+ info->status.tx_time, 0);
+
+ if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
+- if (info->flags & IEEE80211_TX_STAT_ACK) {
++ if (acked) {
+ if (sta->status_stats.lost_packets)
+ sta->status_stats.lost_packets = 0;
+
+@@ -1002,6 +1005,8 @@ static void __ieee80211_tx_status(struct
+ if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
+ sta->status_stats.last_tdls_pkt_time =
+ jiffies;
++ } else if (noack_success) {
++ /* nothing to do here, do not account as lost */
+ } else {
+ ieee80211_lost_packet(sta, info);
+ }
+@@ -1127,7 +1132,7 @@ void ieee80211_tx_status_ext(struct ieee
+
+ sta = container_of(pubsta, struct sta_info, sta);
+
+- if (!acked)
++ if (!acked && !noack_success)
+ sta->status_stats.retry_failed++;
+ sta->status_stats.retry_count += retry_count;
+
+@@ -1142,6 +1147,8 @@ void ieee80211_tx_status_ext(struct ieee
+ sta->status_stats.last_tdls_pkt_time = jiffies;
+ } else if (test_sta_flag(sta, WLAN_STA_PS_STA)) {
+ return;
++ } else if (noack_success) {
++ /* nothing to do here, do not account as lost */
+ } else {
+ ieee80211_lost_packet(sta, info);
+ }