[openwrt/openwrt] mac80211: another fix for the sta connection monitor

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/5b296141c2f7c0a7026ad0c7910d1aa1bacb14bd

commit 5b296141c2f7c0a7026ad0c7910d1aa1bacb14bd
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Mon Sep 28 15:11:51 2020 +0200

    mac80211: another fix for the sta connection monitor
    
    Make the code more closely match the original behavior
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 ...-fix-regression-in-sta-connection-monitor.patch | 42 +++++++++++++++++++---
 1 file changed, 37 insertions(+), 5 deletions(-)

diff --git a/package/kernel/mac80211/patches/subsys/332-mac80211-fix-regression-in-sta-connection-monitor.patch b/package/kernel/mac80211/patches/subsys/332-mac80211-fix-regression-in-sta-connection-monitor.patch
index 72b6ed56c4..cff8045c05 100644
--- a/package/kernel/mac80211/patches/subsys/332-mac80211-fix-regression-in-sta-connection-monitor.patch
+++ b/package/kernel/mac80211/patches/subsys/332-mac80211-fix-regression-in-sta-connection-monitor.patch
@@ -13,7 +13,18 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
 
 --- a/net/mac80211/status.c
 +++ b/net/mac80211/status.c
-@@ -1129,6 +1129,8 @@ void ieee80211_tx_status_ext(struct ieee
+@@ -991,10 +991,6 @@ static void __ieee80211_tx_status(struct
+ 		if (!(info->flags & IEEE80211_TX_CTL_INJECTED) && acked)
+ 			ieee80211_frame_acked(sta, skb);
+ 
+-		if ((sta->sdata->vif.type == NL80211_IFTYPE_STATION) &&
+-		    ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
+-			ieee80211_sta_tx_notify(sta->sdata, (void *) skb->data,
+-						acked, info->status.tx_time);
+ 	}
+ 
+ 	/* SNMP counters
+@@ -1129,11 +1125,18 @@ void ieee80211_tx_status_ext(struct ieee
  	noack_success = !!(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED);
  
  	if (pubsta) {
@@ -22,17 +33,38 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
  		if (!acked && !noack_success)
  			sta->status_stats.retry_failed++;
  		sta->status_stats.retry_count += retry_count;
-@@ -1143,6 +1145,13 @@ void ieee80211_tx_status_ext(struct ieee
+ 
+ 		if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
++			if (sdata->vif.type == NL80211_IFTYPE_STATION &&
++			    skb && !(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP))
++				ieee80211_sta_tx_notify(sdata, (void *) skb->data,
++							acked, info->status.tx_time);
++
+ 			if (acked) {
+ 				sta->status_stats.last_ack = jiffies;
+ 
+@@ -1143,6 +1146,11 @@ void ieee80211_tx_status_ext(struct ieee
  				/* Track when last packet was ACKed */
  				sta->status_stats.last_pkt_time = jiffies;
  
 +				/* Reset connection monitor */
 +				if (sdata->vif.type == NL80211_IFTYPE_STATION &&
-+				    unlikely(sdata->u.mgd.probe_send_count > 0)) {
++				    unlikely(sdata->u.mgd.probe_send_count > 0))
 +					sdata->u.mgd.probe_send_count = 0;
-+					ieee80211_queue_work(&local->hw, &sdata->work);
-+				}
 +
  				if (info->status.is_valid_ack_signal) {
  					sta->status_stats.last_ack_signal =
  							 (s8)info->status.ack_signal;
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -2508,7 +2508,9 @@ void ieee80211_sta_tx_notify(struct ieee
+ 	    !sdata->u.mgd.probe_send_count)
+ 		return;
+ 
+-	if (!ack)
++	if (ack)
++		sdata->u.mgd.probe_send_count = 0;
++	else
+ 		sdata->u.mgd.nullfunc_failed = true;
+ 	ieee80211_queue_work(&sdata->local->hw, &sdata->work);
+ }