Set control frame bit in rx filter if dynack processing has been activated
in order to enable ACK frame reception

Signed-off-by: Lorenzo Bianconi <[email protected]>
---
 drivers/net/wireless/ath/ath9k/recv.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c 
b/drivers/net/wireless/ath/ath9k/recv.c
index 66c5fe8..42108f0 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -400,7 +400,8 @@ u32 ath_calcrxfilter(struct ath_softc *sc)
        if (sc->sc_ah->is_monitoring)
                rfilt |= ATH9K_RX_FILTER_PROM;
 
-       if (sc->cur_chan->rxfilter & FIF_CONTROL)
+       if ((sc->cur_chan->rxfilter & FIF_CONTROL) ||
+           sc->sc_ah->dynack.enabled)
                rfilt |= ATH9K_RX_FILTER_CONTROL;
 
        if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) &&
-- 
1.9.1

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