[RFC 3/5] ath9k: Add ath9k_chanctx_stop_queues()

[Sujith Manoharan]

From: Sujith Manoharan <c_man...@qca.qualcomm.com>

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

Signed-off-by: Sujith Manoharan <c_man...@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h   |  5 +++++
 drivers/net/wireless/ath/ath9k/channel.c | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h 
b/drivers/net/wireless/ath/ath9k/ath9k.h
index 4f94d31..bfa0b15 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 96da03e..bf5ecd8 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;
-- 
2.1.1

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