ath9k: Enable HW queue control only for MCC

Enabling HW queue control for normal (non-mcc) mode
causes problems with queue management, resulting
in traffic stall. Since it is mainly required for
fairness in MCC mode, disable it for the general case.

Bug: https://dev.openwrt.org/ticket/18164

Cc: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 493a183d0aaf..d6e54a3c88f6 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -169,7 +169,10 @@ static void ath_txq_skb_done(struct ath_softc *sc, struct ath_txq *txq,
 
         if (txq->stopped &&
             txq->pending_frames < sc->tx.txq_max_pending[q]) {
-                ieee80211_wake_queue(sc->hw, info->hw_queue);
+                if (ath9k_is_chanctx_enabled())
+                        ieee80211_wake_queue(sc->hw, info->hw_queue);
+                else
+                        ieee80211_wake_queue(sc->hw, q);
                 txq->stopped = false;
         }
 }
@@ -2247,7 +2250,10 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
                 fi->txq = q;
                 if (++txq->pending_frames > sc->tx.txq_max_pending[q] &&
                     !txq->stopped) {
-                        ieee80211_stop_queue(sc->hw, info->hw_queue);
+                        if (ath9k_is_chanctx_enabled())
+                                ieee80211_stop_queue(sc->hw, info->hw_queue);
+                        else
+                                ieee80211_stop_queue(sc->hw, q);
                         txq->stopped = true;
                 }
         }