When the driver has been notified with a STA_REMOVE, it tears down
the internal ADDBA state. On resume, trying to initiate aggregation would
fail because mac80211 has not cleared the operational state for that <TID,STA>.
This can be fixed by tearing down the existing sessions on a suspend.
Signed-off-by: Sujith <Sujith.Manoharan@xxxxxxxxxxx>
---
net/mac80211/pm.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index f845601..ab9c989 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -21,6 +21,13 @@ int __ieee80211_suspend(struct ieee80211_hw *hw)
list_for_each_entry(sdata, &local->interfaces, list)
ieee80211_disable_keys(sdata);
+ /* Tear down aggregation sessions */
+ if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
+ list_for_each_entry(sta, &local->sta_list, list) {
+ ieee80211_sta_tear_down_BA_sessions(sta);
+ }
+ }
+
/* remove STAs */
if (local->ops->sta_notify) {
spin_lock_irqsave(&local->sta_lock, flags);
--
1.6.2
--
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