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path: root/package/kernel/mac80211/patches/341-ath9k-release-PS-buffered-frames-as-A-MPDU-if-enable.patch
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From: Felix Fietkau <nbd@nbd.name>
Date: Sun, 28 Aug 2016 13:15:10 +0200
Subject: [PATCH] ath9k: release PS buffered frames as A-MPDU if enabled

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1660,10 +1660,11 @@ void ath9k_release_buffered_frames(struc
 	struct ath_node *an = (struct ath_node *)sta->drv_priv;
 	struct ath_txq *txq = sc->tx.uapsdq;
 	struct ieee80211_tx_info *info;
+	struct ath_frame_info *fi;
 	struct list_head bf_q;
 	struct ath_buf *bf_tail = NULL, *bf;
 	int sent = 0;
-	int i;
+	int n, i;
 
 	INIT_LIST_HEAD(&bf_q);
 	for (i = 0; tids && nframes; i++, tids >>= 1) {
@@ -1683,10 +1684,15 @@ void ath9k_release_buffered_frames(struc
 			ath9k_set_moredata(sc, bf, true);
 			list_add_tail(&bf->list, &bf_q);
 			ath_set_rates(tid->an->vif, tid->an->sta, bf, true);
-			if (bf_isampdu(bf)) {
+			if (bf_isampdu(bf))
 				ath_tx_addto_baw(sc, tid, bf);
-				bf->bf_state.bf_type &= ~BUF_AGGR;
+			if (bf_isaggr(bf)) {
+				fi = get_frame_info(bf->bf_mpdu);
+				n = ath_compute_num_delims(sc, tid, bf,
+							   fi->framelen, true);
+				bf->bf_state.ndelim = n;
 			}
+
 			if (bf_tail)
 				bf_tail->bf_next = bf;