ath9k: switch channel context for beaconing
Add a basic state machine for switch channel context
for beacon transmission.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index a0c7279..b657115 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -341,6 +341,28 @@
bool stopped;
bool active;
bool assigned;
+ bool switch_after_beacon;
+};
+
+enum ath_chanctx_event {
+ ATH_CHANCTX_EVENT_BEACON_PREPARE,
+ ATH_CHANCTX_EVENT_BEACON_SENT,
+ ATH_CHANCTX_EVENT_TSF_TIMER,
+};
+
+enum ath_chanctx_state {
+ ATH_CHANCTX_STATE_IDLE,
+ ATH_CHANCTX_STATE_WAIT_FOR_BEACON,
+ ATH_CHANCTX_STATE_WAIT_FOR_TIMER,
+ ATH_CHANCTX_STATE_SWITCH,
+};
+
+struct ath_chanctx_sched {
+ bool beacon_pending;
+ enum ath_chanctx_state state;
+
+ u32 next_tbtt;
+ unsigned int channel_switch_time;
};
enum ath_offchannel_state {
@@ -388,6 +410,8 @@
struct ieee80211_channel *chan);
struct ath_chanctx *ath_chanctx_get_oper_chan(struct ath_softc *sc,
bool active);
+void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
+ enum ath_chanctx_event ev);
int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan);
int ath_startrecv(struct ath_softc *sc);
@@ -826,6 +850,7 @@
struct ath_chanctx *next_chan;
spinlock_t chan_lock;
struct ath_offchannel offchannel;
+ struct ath_chanctx_sched sched;
#ifdef CONFIG_MAC80211_LEDS
bool led_registered;