ath9k: Add ath9k_chanctx_stop_queues()

This can be used when the queues of a context
needs to be stopped.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 24 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 4f94d3190867..bfa0b1518da1 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -456,6 +456,7 @@ void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp,
                           struct sk_buff *skb);
 void ath9k_p2p_ps_timer(void *priv);
 void ath9k_chanctx_wake_queues(struct ath_softc *sc, struct ath_chanctx *ctx);
+void ath9k_chanctx_stop_queues(struct ath_softc *sc, struct ath_chanctx *ctx);
 void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx);
 
 void ath_chanctx_beacon_recv_ev(struct ath_softc *sc,
@@ -529,6 +530,10 @@ static inline void ath9k_chanctx_wake_queues(struct ath_softc *sc,
                                              struct ath_chanctx *ctx)
 {
 }
+static inline void ath9k_chanctx_stop_queues(struct ath_softc *sc,
+                                             struct ath_chanctx *ctx)
+{
+}
 static inline void ath_chanctx_check_active(struct ath_softc *sc,
                                             struct ath_chanctx *ctx)
 {
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index 96da03e5f534..bf5ecd8da2f1 100644
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -1177,6 +1177,25 @@ bool ath9k_is_chanctx_enabled(void)
 /* Queue management */
 /********************/
 
+void ath9k_chanctx_stop_queues(struct ath_softc *sc, struct ath_chanctx *ctx)
+{
+        struct ath_hw *ah = sc->sc_ah;
+        int i;
+
+        if (ctx == &sc->offchannel.chan) {
+                ieee80211_stop_queue(sc->hw,
+                                     sc->hw->offchannel_tx_hw_queue);
+        } else {
+                for (i = 0; i < IEEE80211_NUM_ACS; i++)
+                        ieee80211_stop_queue(sc->hw,
+                                             ctx->hw_queue_base + i);
+        }
+
+        if (ah->opmode == NL80211_IFTYPE_AP)
+                ieee80211_stop_queue(sc->hw, sc->hw->queues - 2);
+}
+
+
 void ath9k_chanctx_wake_queues(struct ath_softc *sc, struct ath_chanctx *ctx)
 {
         struct ath_hw *ah = sc->sc_ah;