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ath9k: Enable HW queue control only for MCC

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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>
This commit is contained in:
Sujith Manoharan
2014-10-21 19:23:02 +05:30
committed by John W. Linville
parent 598a0df07f
commit 868caae3fe
3 changed files with 41 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/wireless/ath/ath9k/xmit.c
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@@ -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;
}
}