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-rw-r--r--include/net/mac80211.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index c06104476973..5edf79254065 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1244,6 +1244,12 @@ enum ieee80211_filter_flags {
*
* These flags are used with the ampdu_action() callback in
* &struct ieee80211_ops to indicate which action is needed.
+ *
+ * Note that drivers MUST be able to deal with a TX aggregation
+ * session being stopped even before they OK'ed starting it by
+ * calling ieee80211_start_tx_ba_cb(_irqsafe), because the peer
+ * might receive the addBA frame and send a delBA right away!
+ *
* @IEEE80211_AMPDU_RX_START: start Rx aggregation
* @IEEE80211_AMPDU_RX_STOP: stop Rx aggregation
* @IEEE80211_AMPDU_TX_START: start Tx aggregation