25 	struct ath_hw *ah = sc->sc_ah;  in ath_set_channel()
27 	struct ieee80211_hw *hw = sc->hw;  in ath_set_channel()  local
29 	struct cfg80211_chan_def *chandef = &sc->cur_chan->chandef;  in ath_set_channel()
30 	struct ieee80211_channel *chan = chandef->chan;  in ath_set_channel()
31 	int pos = chan->hw_value;  in ath_set_channel()
33 	int old_pos = -1;  in ath_set_channel()
36 	if (test_bit(ATH_OP_INVALID, &common->op_flags))  in ath_set_channel()
37 		return -EIO;  in ath_set_channel()
39 	if (ah->curchan)  in ath_set_channel()
40 		old_pos = ah->curchan - &ah->channels[0];  in ath_set_channel()
43 		chan->center_freq, chandef->width);  in ath_set_channel()
46 	spin_lock_irqsave(&common->cc_lock, flags);  in ath_set_channel()
48 	spin_unlock_irqrestore(&common->cc_lock, flags);  in ath_set_channel()
50 	ath9k_cmn_get_channel(hw, ah, chandef);  in ath_set_channel()
52 	/* If the operating channel changes, change the survey in-use flags  in ath_set_channel()
55 	 * back to the operating channel from an off-channel operation.  in ath_set_channel()
57 	if (!sc->cur_chan->offchannel && sc->cur_survey != &sc->survey[pos]) {  in ath_set_channel()
58 		if (sc->cur_survey)  in ath_set_channel()
59 			sc->cur_survey->filled &= ~SURVEY_INFO_IN_USE;  in ath_set_channel()
61 		sc->cur_survey = &sc->survey[pos];  in ath_set_channel()
63 		memset(sc->cur_survey, 0, sizeof(struct survey_info));  in ath_set_channel()
64 		sc->cur_survey->filled |= SURVEY_INFO_IN_USE;  in ath_set_channel()
65 	} else if (!(sc->survey[pos].filled & SURVEY_INFO_IN_USE)) {  in ath_set_channel()
66 		memset(&sc->survey[pos], 0, sizeof(struct survey_info));  in ath_set_channel()
69 	hchan = &sc->sc_ah->channels[pos];  in ath_set_channel()
74 	/* The most recent snapshot of channel->noisefloor for the old  in ath_set_channel()
84 	if (hw->conf.radar_enabled) {  in ath_set_channel()
92 			chan->center_freq);  in ath_set_channel()
95 		if (test_bit(ATH_OP_SCANNING, &common->op_flags) &&  in ath_set_channel()
96 			sc->spec_priv.spectral_mode == SPECTRAL_CHANSCAN)  in ath_set_channel()
97 			ath9k_cmn_spectral_scan_trigger(common, &sc->spec_priv);  in ath_set_channel()
106 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_chanctx_init()
111 	sband = &common->sbands[NL80211_BAND_2GHZ];  in ath_chanctx_init()
112 	if (!sband->n_channels)  in ath_chanctx_init()
113 		sband = &common->sbands[NL80211_BAND_5GHZ];  in ath_chanctx_init()
115 	chan = &sband->channels[0];  in ath_chanctx_init()
117 		ctx = &sc->chanctx[i];  in ath_chanctx_init()
118 		cfg80211_chandef_create(&ctx->chandef, chan, NL80211_CHAN_HT20);  in ath_chanctx_init()
119 		INIT_LIST_HEAD(&ctx->vifs);  in ath_chanctx_init()
120 		ctx->txpower = ATH_TXPOWER_MAX;  in ath_chanctx_init()
121 		ctx->flush_timeout = HZ / 5; /* 200ms */  in ath_chanctx_init()
122 		for (j = 0; j < ARRAY_SIZE(ctx->acq); j++) {  in ath_chanctx_init()
123 			INIT_LIST_HEAD(&ctx->acq[j].acq_new);  in ath_chanctx_init()
124 			INIT_LIST_HEAD(&ctx->acq[j].acq_old);  in ath_chanctx_init()
125 			spin_lock_init(&ctx->acq[j].lock);  in ath_chanctx_init()
133 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_chanctx_set_channel()
136 	spin_lock_bh(&sc->chan_lock);  in ath_chanctx_set_channel()
138 		memcpy(&ctx->chandef, chandef, sizeof(*chandef));  in ath_chanctx_set_channel()
139 	cur_chan = sc->cur_chan == ctx;  in ath_chanctx_set_channel()
140 	spin_unlock_bh(&sc->chan_lock);  in ath_chanctx_set_channel()
163 	spin_lock_bh(&sc->chan_lock);  in ath_is_go_chanctx_present()
166 		if (!ctx->active)  in ath_is_go_chanctx_present()
169 		list_for_each_entry(avp, &ctx->vifs, list) {  in ath_is_go_chanctx_present()
170 			vif = avp->vif;  in ath_is_go_chanctx_present()
173 				spin_unlock_bh(&sc->chan_lock);  in ath_is_go_chanctx_present()
179 	spin_unlock_bh(&sc->chan_lock);  in ath_is_go_chanctx_present()
236 	s64 ms = ktime_ms_delta(ts, sc->last_event_time);  in chanctx_event_delta()  local
238 	sc->last_event_time = ts;  in chanctx_event_delta()
239 	return ms;  in chanctx_event_delta()
244 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_chanctx_check_active()
253 	if (ctx == &sc->offchannel.chan) {  in ath_chanctx_check_active()
254 		spin_lock_bh(&sc->chan_lock);  in ath_chanctx_check_active()
256 		if (likely(sc->sched.channel_switch_time))  in ath_chanctx_check_active()
257 			ctx->flush_timeout =  in ath_chanctx_check_active()
258 				usecs_to_jiffies(sc->sched.channel_switch_time);  in ath_chanctx_check_active()
260 			ctx->flush_timeout =  in ath_chanctx_check_active()
263 		spin_unlock_bh(&sc->chan_lock);  in ath_chanctx_check_active()
275 	list_for_each_entry(avp, &ctx->vifs, list) {  in ath_chanctx_check_active()
276 		struct ieee80211_vif *vif = avp->vif;  in ath_chanctx_check_active()
278 		switch (vif->type) {  in ath_chanctx_check_active()
281 			if (avp->assoc)  in ath_chanctx_check_active()
289 	ctx->active = active;  in ath_chanctx_check_active()
292 		if (!ctx->assigned || list_empty(&ctx->vifs))  in ath_chanctx_check_active()
297 	spin_lock_bh(&sc->chan_lock);  in ath_chanctx_check_active()
300 		ictx->flush_timeout = HZ / 5;  in ath_chanctx_check_active()
301 		clear_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags);  in ath_chanctx_check_active()
302 		spin_unlock_bh(&sc->chan_lock);  in ath_chanctx_check_active()
306 	ictx->flush_timeout = usecs_to_jiffies(sc->sched.channel_switch_time);  in ath_chanctx_check_active()
308 	if (test_and_set_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags)) {  in ath_chanctx_check_active()
309 		spin_unlock_bh(&sc->chan_lock);  in ath_chanctx_check_active()
313 	spin_unlock_bh(&sc->chan_lock);  in ath_chanctx_check_active()
324 	int idx = ctx - &sc->chanctx[0];  in ath_chanctx_get_next()
326 	return &sc->chanctx[!idx];  in ath_chanctx_get_next()
336 	beacon_int = TU_TO_USEC(sc->cur_chan->beacon.beacon_interval);  in ath_chanctx_adjust_tbtt_delta()
338 	cur = sc->cur_chan;  in ath_chanctx_adjust_tbtt_delta()
341 	if (!prev->switch_after_beacon)  in ath_chanctx_adjust_tbtt_delta()
345 	cur_tsf = (u32) cur->tsf_val +  in ath_chanctx_adjust_tbtt_delta()
346 		  ath9k_hw_get_tsf_offset(cur->tsf_ts, ts);  in ath_chanctx_adjust_tbtt_delta()
348 	prev_tsf = prev->last_beacon - (u32) prev->tsf_val + cur_tsf;  in ath_chanctx_adjust_tbtt_delta()
349 	prev_tsf -= ath9k_hw_get_tsf_offset(prev->tsf_ts, ts);  in ath_chanctx_adjust_tbtt_delta()
354 	offset = cur_tsf - prev_tsf;  in ath_chanctx_adjust_tbtt_delta()
360 	offset = beacon_int / 2 - (offset % beacon_int);  in ath_chanctx_adjust_tbtt_delta()
361 	prev->tsf_val += offset;  in ath_chanctx_adjust_tbtt_delta()
370 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_chanctx_setup_timer()
371 	struct ath_hw *ah = sc->sc_ah;  in ath_chanctx_setup_timer()
372 	unsigned long timeout;  in ath_chanctx_setup_timer()  local
374 	ath9k_hw_gen_timer_start(ah, sc->p2p_ps_timer, tsf_time, 1000000);  in ath_chanctx_setup_timer()
375 	tsf_time -= ath9k_hw_gettsf32(ah);  in ath_chanctx_setup_timer()
376 	timeout = msecs_to_jiffies(tsf_time / 1000) + 1;  in ath_chanctx_setup_timer()
377 	mod_timer(&sc->sched.timer, jiffies + timeout);  in ath_chanctx_setup_timer()
380 		"Setup chanctx timer with timeout: %d (%d) ms\n",  in ath_chanctx_setup_timer()
381 		tsf_time / 1000, jiffies_to_msecs(timeout));  in ath_chanctx_setup_timer()
394 	if (ctx->active && sc->sched.extend_absence) {  in ath_chanctx_handle_bmiss()
395 		avp->noa_duration = 0;  in ath_chanctx_handle_bmiss()
396 		sc->sched.extend_absence = false;  in ath_chanctx_handle_bmiss()
403 	if (ctx->active && sc->sched.beacon_miss >= 2) {  in ath_chanctx_handle_bmiss()
404 		avp->noa_duration = 0;  in ath_chanctx_handle_bmiss()
405 		sc->sched.extend_absence = true;  in ath_chanctx_handle_bmiss()
414 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_chanctx_offchannel_noa()
416 	avp->noa_index++;  in ath_chanctx_offchannel_noa()
417 	avp->offchannel_start = tsf_time;  in ath_chanctx_offchannel_noa()
418 	avp->offchannel_duration = sc->sched.offchannel_duration;  in ath_chanctx_offchannel_noa()
422 		avp->offchannel_duration,  in ath_chanctx_offchannel_noa()
423 		avp->offchannel_start,  in ath_chanctx_offchannel_noa()
424 		avp->noa_index);  in ath_chanctx_offchannel_noa()
431 	if (ctx->active && avp->noa_duration)  in ath_chanctx_offchannel_noa()
432 		avp->noa_duration = 0;  in ath_chanctx_offchannel_noa()
441 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_chanctx_set_periodic_noa()
443 	avp->noa_index++;  in ath_chanctx_set_periodic_noa()
444 	avp->noa_start = tsf_time;  in ath_chanctx_set_periodic_noa()
446 	if (sc->sched.extend_absence)  in ath_chanctx_set_periodic_noa()
447 		avp->noa_duration = (3 * beacon_int / 2) +  in ath_chanctx_set_periodic_noa()
448 			sc->sched.channel_switch_time;  in ath_chanctx_set_periodic_noa()
450 		avp->noa_duration =  in ath_chanctx_set_periodic_noa()
451 			TU_TO_USEC(cur_conf->beacon_interval) / 2 +  in ath_chanctx_set_periodic_noa()
452 			sc->sched.channel_switch_time;  in ath_chanctx_set_periodic_noa()
454 	if (test_bit(ATH_OP_SCANNING, &common->op_flags) ||  in ath_chanctx_set_periodic_noa()
455 	    sc->sched.extend_absence)  in ath_chanctx_set_periodic_noa()
456 		avp->periodic_noa = false;  in ath_chanctx_set_periodic_noa()
458 		avp->periodic_noa = true;  in ath_chanctx_set_periodic_noa()
462 		avp->noa_duration,  in ath_chanctx_set_periodic_noa()
463 		avp->noa_start,  in ath_chanctx_set_periodic_noa()
464 		avp->noa_index,  in ath_chanctx_set_periodic_noa()
465 		avp->periodic_noa);  in ath_chanctx_set_periodic_noa()
473 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_chanctx_set_oneshot_noa()
475 	avp->noa_index++;  in ath_chanctx_set_oneshot_noa()
476 	avp->noa_start = tsf_time;  in ath_chanctx_set_oneshot_noa()
477 	avp->periodic_noa = false;  in ath_chanctx_set_oneshot_noa()
478 	avp->oneshot_noa = true;  in ath_chanctx_set_oneshot_noa()
479 	avp->noa_duration = duration + sc->sched.channel_switch_time;  in ath_chanctx_set_oneshot_noa()
483 		avp->noa_duration,  in ath_chanctx_set_oneshot_noa()
484 		avp->noa_start,  in ath_chanctx_set_oneshot_noa()
485 		avp->noa_index,  in ath_chanctx_set_oneshot_noa()
486 		avp->periodic_noa);  in ath_chanctx_set_oneshot_noa()
492 	struct ath_hw *ah = sc->sc_ah;  in ath_chanctx_event()
501 		avp = (struct ath_vif *) vif->drv_priv;  in ath_chanctx_event()
503 	spin_lock_bh(&sc->chan_lock);  in ath_chanctx_event()
505 	ath_dbg(common, CHAN_CTX, "cur_chan: %d MHz, event: %s, state: %s, delta: %u ms\n",  in ath_chanctx_event()
506 		sc->cur_chan->chandef.center_freq1,  in ath_chanctx_event()
508 		chanctx_state_string(sc->sched.state),  in ath_chanctx_event()
513 		if (avp->offchannel_duration)  in ath_chanctx_event()
514 			avp->offchannel_duration = 0;  in ath_chanctx_event()
516 		if (avp->oneshot_noa) {  in ath_chanctx_event()
517 			avp->noa_duration = 0;  in ath_chanctx_event()
518 			avp->oneshot_noa = false;  in ath_chanctx_event()
524 		if (avp->chanctx != sc->cur_chan) {  in ath_chanctx_event()
530 		if (sc->sched.offchannel_pending && !sc->sched.wait_switch) {  in ath_chanctx_event()
531 			sc->sched.offchannel_pending = false;  in ath_chanctx_event()
532 			sc->next_chan = &sc->offchannel.chan;  in ath_chanctx_event()
533 			sc->sched.state = ATH_CHANCTX_STATE_WAIT_FOR_BEACON;  in ath_chanctx_event()
538 		ctx = ath_chanctx_get_next(sc, sc->cur_chan);  in ath_chanctx_event()
539 		if (ctx->active && sc->sched.state == ATH_CHANCTX_STATE_IDLE) {  in ath_chanctx_event()
540 			sc->next_chan = ctx;  in ath_chanctx_event()
541 			sc->sched.state = ATH_CHANCTX_STATE_WAIT_FOR_BEACON;  in ath_chanctx_event()
547 		if (sc->sched.state == ATH_CHANCTX_STATE_WAIT_FOR_TIMER) {  in ath_chanctx_event()
548 			sc->sched.state = ATH_CHANCTX_STATE_WAIT_FOR_BEACON;  in ath_chanctx_event()
553 		if (sc->sched.mgd_prepare_tx)  in ath_chanctx_event()
554 			sc->sched.state = ATH_CHANCTX_STATE_WAIT_FOR_BEACON;  in ath_chanctx_event()
562 		if (!ctx->active && avp->noa_duration &&  in ath_chanctx_event()
563 		    sc->sched.state != ATH_CHANCTX_STATE_WAIT_FOR_BEACON) {  in ath_chanctx_event()
564 			avp->noa_duration = 0;  in ath_chanctx_event()
565 			avp->periodic_noa = false;  in ath_chanctx_event()
571 		if (sc->sched.state != ATH_CHANCTX_STATE_WAIT_FOR_BEACON)  in ath_chanctx_event()
574 		ath_dbg(common, CHAN_CTX, "Preparing beacon for vif: %pM\n", vif->addr);  in ath_chanctx_event()
576 		sc->sched.beacon_pending = true;  in ath_chanctx_event()
577 		sc->sched.next_tbtt = REG_READ(ah, AR_NEXT_TBTT_TIMER);  in ath_chanctx_event()
579 		cur_conf = &sc->cur_chan->beacon;  in ath_chanctx_event()
580 		beacon_int = TU_TO_USEC(cur_conf->beacon_interval);  in ath_chanctx_event()
583 		tsf_time = sc->sched.next_tbtt + beacon_int / 4;  in ath_chanctx_event()
584 		sc->sched.switch_start_time = tsf_time;  in ath_chanctx_event()
585 		sc->cur_chan->last_beacon = sc->sched.next_tbtt;  in ath_chanctx_event()
589 		 * a beacon transmission, update the NoA with one-shot  in ath_chanctx_event()
592 		if (sc->next_chan == &sc->offchannel.chan) {  in ath_chanctx_event()
601 		 * a one-shot NoA needs to be sent. This can happen  in ath_chanctx_event()
602 		 * with one or more active channel contexts - in both  in ath_chanctx_event()
605 		if (sc->sched.mgd_prepare_tx) {  in ath_chanctx_event()
611 		/* Prevent wrap-around issues */  in ath_chanctx_event()
612 		if (avp->noa_duration && tsf_time - avp->noa_start > BIT(30))  in ath_chanctx_event()
613 			avp->noa_duration = 0;  in ath_chanctx_event()
620 		if (ctx->active &&  in ath_chanctx_event()
621 		    (!avp->noa_duration || sc->sched.force_noa_update))  in ath_chanctx_event()
625 		if (ctx->active && sc->sched.force_noa_update)  in ath_chanctx_event()
626 			sc->sched.force_noa_update = false;  in ath_chanctx_event()
630 		if (!sc->sched.beacon_pending) {  in ath_chanctx_event()
636 		sc->sched.beacon_pending = false;  in ath_chanctx_event()
638 		if (sc->sched.mgd_prepare_tx) {  in ath_chanctx_event()
639 			sc->sched.mgd_prepare_tx = false;  in ath_chanctx_event()
640 			complete(&sc->go_beacon);  in ath_chanctx_event()
646 		if (sc->sched.state != ATH_CHANCTX_STATE_WAIT_FOR_BEACON)  in ath_chanctx_event()
652 		sc->sched.state = ATH_CHANCTX_STATE_WAIT_FOR_TIMER;  in ath_chanctx_event()
653 		ath_chanctx_setup_timer(sc, sc->sched.switch_start_time);  in ath_chanctx_event()
656 		if (sc->sched.state != ATH_CHANCTX_STATE_WAIT_FOR_TIMER)  in ath_chanctx_event()
659 		if (!sc->cur_chan->switch_after_beacon &&  in ath_chanctx_event()
660 		    sc->sched.beacon_pending)  in ath_chanctx_event()
661 			sc->sched.beacon_miss++;  in ath_chanctx_event()
666 		sc->sched.state = ATH_CHANCTX_STATE_SWITCH;  in ath_chanctx_event()
667 		ieee80211_queue_work(sc->hw, &sc->chanctx_work);  in ath_chanctx_event()
670 		if (!test_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags) ||  in ath_chanctx_event()
671 		    sc->cur_chan == &sc->offchannel.chan)  in ath_chanctx_event()
674 		sc->sched.beacon_pending = false;  in ath_chanctx_event()
675 		sc->sched.beacon_miss = 0;  in ath_chanctx_event()
677 		if (sc->sched.state == ATH_CHANCTX_STATE_FORCE_ACTIVE ||  in ath_chanctx_event()
678 		    !sc->sched.beacon_adjust ||  in ath_chanctx_event()
679 		    !sc->cur_chan->tsf_val)  in ath_chanctx_event()
687 		tsf_time = sc->sched.switch_start_time;  in ath_chanctx_event()
688 		tsf_time -= (u32) sc->cur_chan->tsf_val +  in ath_chanctx_event()
689 			ath9k_hw_get_tsf_offset(sc->cur_chan->tsf_ts, 0);  in ath_chanctx_event()
692 		sc->sched.beacon_adjust = false;  in ath_chanctx_event()
696 		if (sc->sched.state != ATH_CHANCTX_STATE_FORCE_ACTIVE ||  in ath_chanctx_event()
697 		    avp->chanctx != sc->cur_chan)  in ath_chanctx_event()
703 		sc->sched.state = ATH_CHANCTX_STATE_IDLE;  in ath_chanctx_event()
706 		if (!test_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags) ||  in ath_chanctx_event()
707 		    sc->sched.state == ATH_CHANCTX_STATE_FORCE_ACTIVE ||  in ath_chanctx_event()
708 		    sc->cur_chan->switch_after_beacon ||  in ath_chanctx_event()
709 		    sc->cur_chan == &sc->offchannel.chan)  in ath_chanctx_event()
715 		sc->next_chan = ath_chanctx_get_next(sc, sc->cur_chan);  in ath_chanctx_event()
716 		cur_conf = &sc->cur_chan->beacon;  in ath_chanctx_event()
721 		sc->sched.state = ATH_CHANCTX_STATE_WAIT_FOR_TIMER;  in ath_chanctx_event()
722 		sc->sched.wait_switch = false;  in ath_chanctx_event()
724 		tsf_time = TU_TO_USEC(cur_conf->beacon_interval) / 2;  in ath_chanctx_event()
726 		if (sc->sched.extend_absence) {  in ath_chanctx_event()
727 			sc->sched.beacon_miss = 0;  in ath_chanctx_event()
731 		tsf_time -= sc->sched.channel_switch_time;  in ath_chanctx_event()
732 		tsf_time += ath9k_hw_gettsf32(sc->sc_ah);  in ath_chanctx_event()
733 		sc->sched.switch_start_time = tsf_time;  in ath_chanctx_event()
736 		sc->sched.beacon_pending = true;  in ath_chanctx_event()
737 		sc->sched.beacon_adjust = true;  in ath_chanctx_event()
740 		if (sc->cur_chan == &sc->offchannel.chan ||  in ath_chanctx_event()
741 		    sc->cur_chan->switch_after_beacon)  in ath_chanctx_event()
744 		sc->next_chan = ath_chanctx_get_next(sc, sc->cur_chan);  in ath_chanctx_event()
745 		ieee80211_queue_work(sc->hw, &sc->chanctx_work);  in ath_chanctx_event()
748 		if (sc->cur_chan->assigned) {  in ath_chanctx_event()
749 			if (sc->next_chan && !sc->next_chan->assigned &&  in ath_chanctx_event()
750 			    sc->next_chan != &sc->offchannel.chan)  in ath_chanctx_event()
751 				sc->sched.state = ATH_CHANCTX_STATE_IDLE;  in ath_chanctx_event()
755 		ctx = ath_chanctx_get_next(sc, sc->cur_chan);  in ath_chanctx_event()
756 		sc->sched.state = ATH_CHANCTX_STATE_IDLE;  in ath_chanctx_event()
757 		if (!ctx->assigned)  in ath_chanctx_event()
760 		sc->next_chan = ctx;  in ath_chanctx_event()
761 		ieee80211_queue_work(sc->hw, &sc->chanctx_work);  in ath_chanctx_event()
769 	spin_unlock_bh(&sc->chan_lock);  in ath_chanctx_event()
775 	if (sc->sched.beacon_pending)  in ath_chanctx_beacon_sent_ev()
788 	struct cfg80211_scan_request *req = sc->offchannel.scan_req;  in ath_scan_channel_duration()
790 	if (!req->n_ssids || (chan->flags & IEEE80211_CHAN_NO_IR))  in ath_scan_channel_duration()
791 		return (HZ / 9); /* ~110 ms */  in ath_scan_channel_duration()
793 	return (HZ / 16); /* ~60 ms */  in ath_scan_channel_duration()
799 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_chanctx_switch()
801 	spin_lock_bh(&sc->chan_lock);  in ath_chanctx_switch()
803 	if (test_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags) &&  in ath_chanctx_switch()
804 	    (sc->cur_chan != ctx) && (ctx == &sc->offchannel.chan)) {  in ath_chanctx_switch()
806 			ctx->chandef = *chandef;  in ath_chanctx_switch()
808 		sc->sched.offchannel_pending = true;  in ath_chanctx_switch()
809 		sc->sched.wait_switch = true;  in ath_chanctx_switch()
810 		sc->sched.offchannel_duration =  in ath_chanctx_switch()
811 			jiffies_to_usecs(sc->offchannel.duration) +  in ath_chanctx_switch()
812 			sc->sched.channel_switch_time;  in ath_chanctx_switch()
814 		spin_unlock_bh(&sc->chan_lock);  in ath_chanctx_switch()
820 	sc->next_chan = ctx;  in ath_chanctx_switch()
822 		ctx->chandef = *chandef;  in ath_chanctx_switch()
824 			"Assigned next_chan to %d MHz\n", chandef->center_freq1);  in ath_chanctx_switch()
827 	if (sc->next_chan == &sc->offchannel.chan) {  in ath_chanctx_switch()
828 		sc->sched.offchannel_duration =  in ath_chanctx_switch()
829 			jiffies_to_usecs(sc->offchannel.duration) +  in ath_chanctx_switch()
830 			sc->sched.channel_switch_time;  in ath_chanctx_switch()
835 				chandef->center_freq1,  in ath_chanctx_switch()
836 				sc->sched.offchannel_duration);  in ath_chanctx_switch()
839 	spin_unlock_bh(&sc->chan_lock);  in ath_chanctx_switch()
840 	ieee80211_queue_work(sc->hw, &sc->chanctx_work);  in ath_chanctx_switch()
846 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_chanctx_offchan_switch()
853 	ath_chanctx_switch(sc, &sc->offchannel.chan, &chandef);  in ath_chanctx_offchan_switch()
862 		if (!ctx->assigned || list_empty(&ctx->vifs))  in ath_chanctx_get_oper_chan()
864 		if (active && !ctx->active)  in ath_chanctx_get_oper_chan()
867 		if (ctx->switch_after_beacon)  in ath_chanctx_get_oper_chan()
871 	return &sc->chanctx[0];  in ath_chanctx_get_oper_chan()
877 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_scan_next_channel()
878 	struct cfg80211_scan_request *req = sc->offchannel.scan_req;  in ath_scan_next_channel()
881 	if (sc->offchannel.scan_idx >= req->n_channels) {  in ath_scan_next_channel()
885 			sc->offchannel.scan_idx,  in ath_scan_next_channel()
886 			req->n_channels);  in ath_scan_next_channel()
888 		sc->offchannel.state = ATH_OFFCHANNEL_IDLE;  in ath_scan_next_channel()
896 		sc->offchannel.scan_idx);  in ath_scan_next_channel()
898 	chan = req->channels[sc->offchannel.scan_idx++];  in ath_scan_next_channel()
899 	sc->offchannel.duration = ath_scan_channel_duration(sc, chan);  in ath_scan_next_channel()
900 	sc->offchannel.state = ATH_OFFCHANNEL_PROBE_SEND;  in ath_scan_next_channel()
909 	if (sc->offchannel.scan_req) {  in ath_offchannel_next()
910 		vif = sc->offchannel.scan_vif;  in ath_offchannel_next()
911 		sc->offchannel.chan.txpower = vif->bss_conf.txpower;  in ath_offchannel_next()
913 	} else if (sc->offchannel.roc_vif) {  in ath_offchannel_next()
914 		vif = sc->offchannel.roc_vif;  in ath_offchannel_next()
915 		sc->offchannel.chan.txpower = vif->bss_conf.txpower;  in ath_offchannel_next()
916 		sc->offchannel.duration =  in ath_offchannel_next()
917 			msecs_to_jiffies(sc->offchannel.roc_duration);  in ath_offchannel_next()
918 		sc->offchannel.state = ATH_OFFCHANNEL_ROC_START;  in ath_offchannel_next()
919 		ath_chanctx_offchan_switch(sc, sc->offchannel.roc_chan);  in ath_offchannel_next()
921 		spin_lock_bh(&sc->chan_lock);  in ath_offchannel_next()
922 		sc->sched.offchannel_pending = false;  in ath_offchannel_next()
923 		sc->sched.wait_switch = false;  in ath_offchannel_next()
924 		spin_unlock_bh(&sc->chan_lock);  in ath_offchannel_next()
928 		sc->offchannel.state = ATH_OFFCHANNEL_IDLE;  in ath_offchannel_next()
929 		if (sc->ps_idle)  in ath_offchannel_next()
936 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_roc_complete()
938 	sc->offchannel.roc_vif = NULL;  in ath_roc_complete()
939 	sc->offchannel.roc_chan = NULL;  in ath_roc_complete()
944 		ieee80211_remain_on_channel_expired(sc->hw);  in ath_roc_complete()
948 		ieee80211_remain_on_channel_expired(sc->hw);  in ath_roc_complete()
961 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_scan_complete()
967 		ath_dbg(common, CHAN_CTX, "HW scan aborted\n");  in ath_scan_complete()
969 		ath_dbg(common, CHAN_CTX, "HW scan complete\n");  in ath_scan_complete()
971 	sc->offchannel.scan_req = NULL;  in ath_scan_complete()
972 	sc->offchannel.scan_vif = NULL;  in ath_scan_complete()
973 	sc->offchannel.state = ATH_OFFCHANNEL_IDLE;  in ath_scan_complete()
974 	ieee80211_scan_completed(sc->hw, &info);  in ath_scan_complete()
975 	clear_bit(ATH_OP_SCANNING, &common->op_flags);  in ath_scan_complete()
976 	spin_lock_bh(&sc->chan_lock);  in ath_scan_complete()
977 	if (test_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags))  in ath_scan_complete()
978 		sc->sched.force_noa_update = true;  in ath_scan_complete()
979 	spin_unlock_bh(&sc->chan_lock);  in ath_scan_complete()
987 	struct cfg80211_scan_request *req = sc->offchannel.scan_req;  in ath_scan_send_probe()
988 	struct ieee80211_vif *vif = sc->offchannel.scan_vif;  in ath_scan_send_probe()
992 	int band = sc->offchannel.chan.chandef.chan->band;  in ath_scan_send_probe()
994 	skb = ieee80211_probereq_get(sc->hw, vif->addr,  in ath_scan_send_probe()
995 			ssid->ssid, ssid->ssid_len, req->ie_len);  in ath_scan_send_probe()
1000 	if (req->no_cck)  in ath_scan_send_probe()
1001 		info->flags |= IEEE80211_TX_CTL_NO_CCK_RATE;  in ath_scan_send_probe()
1003 	if (req->ie_len)  in ath_scan_send_probe()
1004 		skb_put_data(skb, req->ie, req->ie_len);  in ath_scan_send_probe()
1008 	if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, NULL))  in ath_scan_send_probe()
1011 	txctl.txq = sc->tx.txq_map[IEEE80211_AC_VO];  in ath_scan_send_probe()
1012 	if (ath_tx_start(sc->hw, skb, &txctl))  in ath_scan_send_probe()
1018 	ieee80211_free_txskb(sc->hw, skb);  in ath_scan_send_probe()
1023 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_scan_channel_start()
1024 	struct cfg80211_scan_request *req = sc->offchannel.scan_req;  in ath_scan_channel_start()
1027 	if (!(sc->cur_chan->chandef.chan->flags & IEEE80211_CHAN_NO_IR) &&  in ath_scan_channel_start()
1028 	    req->n_ssids) {  in ath_scan_channel_start()
1029 		for (i = 0; i < req->n_ssids; i++)  in ath_scan_channel_start()
1030 			ath_scan_send_probe(sc, &req->ssids[i]);  in ath_scan_channel_start()
1037 	sc->offchannel.state = ATH_OFFCHANNEL_PROBE_WAIT;  in ath_scan_channel_start()
1038 	mod_timer(&sc->offchannel.timer, jiffies + sc->offchannel.duration);  in ath_scan_channel_start()
1044 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_chanctx_timer()
1056 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_offchannel_timer()
1059 		__func__, offchannel_state_string(sc->offchannel.state));  in ath_offchannel_timer()
1061 	switch (sc->offchannel.state) {  in ath_offchannel_timer()
1063 		if (!sc->offchannel.scan_req)  in ath_offchannel_timer()
1068 		if (ctx->active) {  in ath_offchannel_timer()
1073 			sc->offchannel.state = ATH_OFFCHANNEL_SUSPEND;  in ath_offchannel_timer()
1075 			mod_timer(&sc->offchannel.timer, jiffies + HZ / 10);  in ath_offchannel_timer()
1080 		if (!sc->offchannel.scan_req)  in ath_offchannel_timer()
1087 		sc->offchannel.state = ATH_OFFCHANNEL_ROC_DONE;  in ath_offchannel_timer()
1099 	struct ieee80211_vif *vif = avp->vif;  in ath_chanctx_send_vif_ps_frame()
1104 	int band = sc->cur_chan->chandef.chan->band;  in ath_chanctx_send_vif_ps_frame()
1106 	switch (vif->type) {  in ath_chanctx_send_vif_ps_frame()
1108 		if (!avp->assoc)  in ath_chanctx_send_vif_ps_frame()
1111 		skb = ieee80211_nullfunc_get(sc->hw, vif, -1, false);  in ath_chanctx_send_vif_ps_frame()
1115 		nullfunc = (struct ieee80211_hdr_3addr *) skb->data;  in ath_chanctx_send_vif_ps_frame()
1117 			nullfunc->frame_control |=  in ath_chanctx_send_vif_ps_frame()
1120 		skb->priority = 7;  in ath_chanctx_send_vif_ps_frame()
1122 		if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, &sta)) {  in ath_chanctx_send_vif_ps_frame()
1132 	txctl.txq = sc->tx.txq_map[IEEE80211_AC_VO];  in ath_chanctx_send_vif_ps_frame()
1134 	if (ath_tx_start(sc->hw, skb, &txctl)) {  in ath_chanctx_send_vif_ps_frame()
1135 		ieee80211_free_txskb(sc->hw, skb);  in ath_chanctx_send_vif_ps_frame()
1149 	list_for_each_entry(avp, &sc->cur_chan->vifs, list) {  in ath_chanctx_send_ps_frame()
1160 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_chanctx_defer_switch()
1162 	if (sc->cur_chan == &sc->offchannel.chan)  in ath_chanctx_defer_switch()
1165 	switch (sc->sched.state) {  in ath_chanctx_defer_switch()
1169 		if (!sc->cur_chan->switch_after_beacon)  in ath_chanctx_defer_switch()
1175 		sc->sched.state = ATH_CHANCTX_STATE_WAIT_FOR_BEACON;  in ath_chanctx_defer_switch()
1186 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_offchannel_channel_change()
1189 		__func__, offchannel_state_string(sc->offchannel.state));  in ath_offchannel_channel_change()
1191 	switch (sc->offchannel.state) {  in ath_offchannel_channel_change()
1193 		if (!sc->offchannel.scan_req)  in ath_offchannel_channel_change()
1196 		if (sc->cur_chan->chandef.chan !=  in ath_offchannel_channel_change()
1197 		    sc->offchannel.chan.chandef.chan)  in ath_offchannel_channel_change()
1203 		if (!sc->offchannel.scan_req)  in ath_offchannel_channel_change()
1209 		if (sc->cur_chan != &sc->offchannel.chan)  in ath_offchannel_channel_change()
1212 		sc->offchannel.state = ATH_OFFCHANNEL_ROC_WAIT;  in ath_offchannel_channel_change()
1213 		mod_timer(&sc->offchannel.timer,  in ath_offchannel_channel_change()
1214 			  jiffies + sc->offchannel.duration);  in ath_offchannel_channel_change()
1215 		ieee80211_ready_on_channel(sc->hw);  in ath_offchannel_channel_change()
1226 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_chanctx_set_next()
1233 	spin_lock_bh(&sc->chan_lock);  in ath_chanctx_set_next()
1234 	if (!sc->next_chan) {  in ath_chanctx_set_next()
1235 		spin_unlock_bh(&sc->chan_lock);  in ath_chanctx_set_next()
1240 		spin_unlock_bh(&sc->chan_lock);  in ath_chanctx_set_next()
1247 		sc->cur_chan->chandef.center_freq1,  in ath_chanctx_set_next()
1248 		sc->next_chan->chandef.center_freq1);  in ath_chanctx_set_next()
1250 	if (sc->cur_chan != sc->next_chan) {  in ath_chanctx_set_next()
1253 			sc->cur_chan->chandef.center_freq1);  in ath_chanctx_set_next()
1254 		sc->cur_chan->stopped = true;  in ath_chanctx_set_next()
1255 		spin_unlock_bh(&sc->chan_lock);  in ath_chanctx_set_next()
1257 		if (sc->next_chan == &sc->offchannel.chan) {  in ath_chanctx_set_next()
1262 		ath9k_chanctx_stop_queues(sc, sc->cur_chan);  in ath_chanctx_set_next()
1265 		__ath9k_flush(sc->hw, ~0, true, false, false);  in ath_chanctx_set_next()
1268 			__ath9k_flush(sc->hw, BIT(IEEE80211_AC_VO),  in ath_chanctx_set_next()
1272 		spin_lock_bh(&sc->chan_lock);  in ath_chanctx_set_next()
1274 		if (sc->cur_chan != &sc->offchannel.chan) {  in ath_chanctx_set_next()
1275 			sc->cur_chan->tsf_ts = ktime_get_raw();  in ath_chanctx_set_next()
1276 			sc->cur_chan->tsf_val = ath9k_hw_gettsf64(sc->sc_ah);  in ath_chanctx_set_next()
1279 	old_ctx = sc->cur_chan;  in ath_chanctx_set_next()
1280 	sc->cur_chan = sc->next_chan;  in ath_chanctx_set_next()
1281 	sc->cur_chan->stopped = false;  in ath_chanctx_set_next()
1282 	sc->next_chan = NULL;  in ath_chanctx_set_next()
1284 	if (!sc->sched.offchannel_pending)  in ath_chanctx_set_next()
1285 		sc->sched.offchannel_duration = 0;  in ath_chanctx_set_next()
1287 	if (sc->sched.state != ATH_CHANCTX_STATE_FORCE_ACTIVE)  in ath_chanctx_set_next()
1288 		sc->sched.state = ATH_CHANCTX_STATE_IDLE;  in ath_chanctx_set_next()
1290 	spin_unlock_bh(&sc->chan_lock);  in ath_chanctx_set_next()
1292 	if (sc->sc_ah->chip_fullsleep ||  in ath_chanctx_set_next()
1293 	    memcmp(&sc->cur_chandef, &sc->cur_chan->chandef,  in ath_chanctx_set_next()
1294 		   sizeof(sc->cur_chandef))) {  in ath_chanctx_set_next()
1297 			__func__, sc->cur_chan->chandef.center_freq1);  in ath_chanctx_set_next()
1300 			sc->sched.channel_switch_time =  in ath_chanctx_set_next()
1323 	mutex_lock(&sc->mutex);  in ath_chanctx_work()
1325 	mutex_unlock(&sc->mutex);  in ath_chanctx_work()
1331 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_offchannel_init()
1336 	sband = &common->sbands[NL80211_BAND_2GHZ];  in ath9k_offchannel_init()
1337 	if (!sband->n_channels)  in ath9k_offchannel_init()
1338 		sband = &common->sbands[NL80211_BAND_5GHZ];  in ath9k_offchannel_init()
1340 	chan = &sband->channels[0];  in ath9k_offchannel_init()
1342 	ctx = &sc->offchannel.chan;  in ath9k_offchannel_init()
1343 	INIT_LIST_HEAD(&ctx->vifs);  in ath9k_offchannel_init()
1344 	ctx->txpower = ATH_TXPOWER_MAX;  in ath9k_offchannel_init()
1345 	cfg80211_chandef_create(&ctx->chandef, chan, NL80211_CHAN_HT20);  in ath9k_offchannel_init()
1347 	for (i = 0; i < ARRAY_SIZE(ctx->acq); i++) {  in ath9k_offchannel_init()
1348 		INIT_LIST_HEAD(&ctx->acq[i].acq_new);  in ath9k_offchannel_init()
1349 		INIT_LIST_HEAD(&ctx->acq[i].acq_old);  in ath9k_offchannel_init()
1350 		spin_lock_init(&ctx->acq[i].lock);  in ath9k_offchannel_init()
1353 	sc->offchannel.chan.offchannel = true;  in ath9k_offchannel_init()
1358 	INIT_WORK(&sc->chanctx_work, ath_chanctx_work);  in ath9k_init_channel_context()
1360 	timer_setup(&sc->offchannel.timer, ath_offchannel_timer, 0);  in ath9k_init_channel_context()
1361 	timer_setup(&sc->sched.timer, ath_chanctx_timer, 0);  in ath9k_init_channel_context()
1363 	init_completion(&sc->go_beacon);  in ath9k_init_channel_context()
1368 	cancel_work_sync(&sc->chanctx_work);  in ath9k_deinit_channel_context()
1382 	struct ath_hw *ah = sc->sc_ah;  in ath9k_chanctx_stop_queues()
1385 	if (ctx == &sc->offchannel.chan) {  in ath9k_chanctx_stop_queues()
1386 		ieee80211_stop_queue(sc->hw,  in ath9k_chanctx_stop_queues()
1387 				     sc->hw->offchannel_tx_hw_queue);  in ath9k_chanctx_stop_queues()
1390 			ieee80211_stop_queue(sc->hw,  in ath9k_chanctx_stop_queues()
1391 					     ctx->hw_queue_base + i);  in ath9k_chanctx_stop_queues()
1394 	if (ah->opmode == NL80211_IFTYPE_AP)  in ath9k_chanctx_stop_queues()
1395 		ieee80211_stop_queue(sc->hw, sc->hw->queues - 2);  in ath9k_chanctx_stop_queues()
1401 	struct ath_hw *ah = sc->sc_ah;  in ath9k_chanctx_wake_queues()
1404 	if (ctx == &sc->offchannel.chan) {  in ath9k_chanctx_wake_queues()
1405 		ieee80211_wake_queue(sc->hw,  in ath9k_chanctx_wake_queues()
1406 				     sc->hw->offchannel_tx_hw_queue);  in ath9k_chanctx_wake_queues()
1409 			ieee80211_wake_queue(sc->hw,  in ath9k_chanctx_wake_queues()
1410 					     ctx->hw_queue_base + i);  in ath9k_chanctx_wake_queues()
1413 	if (ah->opmode == NL80211_IFTYPE_AP)  in ath9k_chanctx_wake_queues()
1414 		ieee80211_wake_queue(sc->hw, sc->hw->queues - 2);  in ath9k_chanctx_wake_queues()
1423 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_update_p2p_ps_timer()
1424 	struct ath_hw *ah = sc->sc_ah;  in ath9k_update_p2p_ps_timer()
1427 	if (!avp || !avp->noa.has_next_tsf)  in ath9k_update_p2p_ps_timer()
1430 	ath9k_hw_gen_timer_stop(ah, sc->p2p_ps_timer);  in ath9k_update_p2p_ps_timer()
1432 	tsf = ath9k_hw_gettsf32(sc->sc_ah);  in ath9k_update_p2p_ps_timer()
1434 	target_tsf = avp->noa.next_tsf;  in ath9k_update_p2p_ps_timer()
1435 	if (!avp->noa.absent)  in ath9k_update_p2p_ps_timer()
1436 		target_tsf -= ATH_P2P_PS_STOP_TIME;  in ath9k_update_p2p_ps_timer()
1440 	if (target_tsf - tsf < ATH_P2P_PS_STOP_TIME)  in ath9k_update_p2p_ps_timer()
1444 		__func__, avp->noa.absent, tsf, target_tsf,  in ath9k_update_p2p_ps_timer()
1445 		(target_tsf - tsf) / 1000);  in ath9k_update_p2p_ps_timer()
1447 	ath9k_hw_gen_timer_start(ah, sc->p2p_ps_timer, target_tsf, 1000000);  in ath9k_update_p2p_ps_timer()
1452 	struct ath_vif *avp = (void *)vif->drv_priv;  in ath9k_update_p2p_ps()
1455 	if (!sc->p2p_ps_timer)  in ath9k_update_p2p_ps()
1458 	if (vif->type != NL80211_IFTYPE_STATION)  in ath9k_update_p2p_ps()
1461 	sc->p2p_ps_vif = avp;  in ath9k_update_p2p_ps()
1463 	if (sc->ps_flags & PS_BEACON_SYNC)  in ath9k_update_p2p_ps()
1466 	tsf = ath9k_hw_gettsf32(sc->sc_ah);  in ath9k_update_p2p_ps()
1467 	ieee80211_parse_p2p_noa(&vif->bss_conf.p2p_noa_attr, &avp->noa, tsf);  in ath9k_update_p2p_ps()
1473 	struct ath_beacon_config *cur_conf = &sc->cur_chan->beacon;  in ath9k_get_ctwin()
1477 	 * Channel switch in multi-channel mode is deferred  in ath9k_get_ctwin()
1479 	 * ATH_CHANCTX_EVENT_BEACON_PREPARE, so the P2P-GO  in ath9k_get_ctwin()
1483 	switch_time = cur_conf->beacon_interval / 4;  in ath9k_get_ctwin()
1485 	ctwin = avp->vif->bss_conf.p2p_noa_attr.oppps_ctwindow;  in ath9k_get_ctwin()
1504 		0x00,				/* LSB of little-endian len */  in ath9k_beacon_add_noa()
1505 		0x00,				/* MSB of little-endian len */  in ath9k_beacon_add_noa()
1512 	if (!avp->offchannel_duration && !avp->noa_duration)  in ath9k_beacon_add_noa()
1515 	noa_desc = !!avp->offchannel_duration + !!avp->noa_duration;  in ath9k_beacon_add_noa()
1519 	hdr[1] = sizeof(noa_ie_hdr) + noa_len - 2;  in ath9k_beacon_add_noa()
1524 	noa->index = avp->noa_index;  in ath9k_beacon_add_noa()
1525 	noa->oppps_ctwindow = ath9k_get_ctwin(sc, avp);  in ath9k_beacon_add_noa()
1526 	if (noa->oppps_ctwindow)  in ath9k_beacon_add_noa()
1527 		noa->oppps_ctwindow |= BIT(7);  in ath9k_beacon_add_noa()
1529 	if (avp->noa_duration) {  in ath9k_beacon_add_noa()
1530 		if (avp->periodic_noa) {  in ath9k_beacon_add_noa()
1531 			u32 interval = TU_TO_USEC(sc->cur_chan->beacon.beacon_interval);  in ath9k_beacon_add_noa()
1532 			noa->desc[i].count = 255;  in ath9k_beacon_add_noa()
1533 			noa->desc[i].interval = cpu_to_le32(interval);  in ath9k_beacon_add_noa()
1535 			noa->desc[i].count = 1;  in ath9k_beacon_add_noa()
1538 		noa->desc[i].start_time = cpu_to_le32(avp->noa_start);  in ath9k_beacon_add_noa()
1539 		noa->desc[i].duration = cpu_to_le32(avp->noa_duration);  in ath9k_beacon_add_noa()
1543 	if (avp->offchannel_duration) {  in ath9k_beacon_add_noa()
1544 		noa->desc[i].count = 1;  in ath9k_beacon_add_noa()
1545 		noa->desc[i].start_time = cpu_to_le32(avp->offchannel_start);  in ath9k_beacon_add_noa()
1546 		noa->desc[i].duration = cpu_to_le32(avp->offchannel_duration);  in ath9k_beacon_add_noa()
1553 	struct ath_vif *avp = sc->p2p_ps_vif;  in ath9k_p2p_ps_timer()
1559 	timer_delete_sync(&sc->sched.timer);  in ath9k_p2p_ps_timer()
1560 	ath9k_hw_gen_timer_stop(sc->sc_ah, sc->p2p_ps_timer);  in ath9k_p2p_ps_timer()
1563 	if (!avp || avp->chanctx != sc->cur_chan)  in ath9k_p2p_ps_timer()
1566 	tsf = ath9k_hw_gettsf32(sc->sc_ah);  in ath9k_p2p_ps_timer()
1567 	if (!avp->noa.absent)  in ath9k_p2p_ps_timer()
1570 		tsf -= ATH_P2P_PS_STOP_TIME;  in ath9k_p2p_ps_timer()
1572 	if (!avp->noa.has_next_tsf ||  in ath9k_p2p_ps_timer()
1573 	    avp->noa.next_tsf - tsf > BIT(31))  in ath9k_p2p_ps_timer()
1574 		ieee80211_update_p2p_noa(&avp->noa, tsf);  in ath9k_p2p_ps_timer()
1580 	vif = avp->vif;  in ath9k_p2p_ps_timer()
1581 	sta = ieee80211_find_sta(vif, avp->bssid);  in ath9k_p2p_ps_timer()
1585 	an = (void *) sta->drv_priv;  in ath9k_p2p_ps_timer()
1586 	if (an->sleeping == !!avp->noa.absent)  in ath9k_p2p_ps_timer()
1589 	an->sleeping = avp->noa.absent;  in ath9k_p2p_ps_timer()
1590 	if (an->sleeping)  in ath9k_p2p_ps_timer()
1604 	spin_lock_bh(&sc->sc_pcu_lock);  in ath9k_p2p_bss_info_changed()
1605 	spin_lock_irqsave(&sc->sc_pm_lock, flags);  in ath9k_p2p_bss_info_changed()
1607 	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);  in ath9k_p2p_bss_info_changed()
1608 	spin_unlock_bh(&sc->sc_pcu_lock);  in ath9k_p2p_bss_info_changed()
1613 	if (sc->p2p_ps_vif)  in ath9k_p2p_beacon_sync()
1614 		ath9k_update_p2p_ps(sc, sc->p2p_ps_vif->vif);  in ath9k_p2p_beacon_sync()
1620 	struct ath_vif *avp = (void *)vif->drv_priv;  in ath9k_p2p_remove_vif()
1622 	spin_lock_bh(&sc->sc_pcu_lock);  in ath9k_p2p_remove_vif()
1623 	if (avp == sc->p2p_ps_vif) {  in ath9k_p2p_remove_vif()
1624 		sc->p2p_ps_vif = NULL;  in ath9k_p2p_remove_vif()
1627 	spin_unlock_bh(&sc->sc_pcu_lock);  in ath9k_p2p_remove_vif()
1632 	sc->p2p_ps_timer = ath_gen_timer_alloc(sc->sc_ah, ath9k_p2p_ps_timer,  in ath9k_init_p2p()
1634 	if (!sc->p2p_ps_timer)  in ath9k_init_p2p()
1635 		return -ENOMEM;  in ath9k_init_p2p()
1642 	if (sc->p2p_ps_timer)  in ath9k_deinit_p2p()
1643 		ath_gen_timer_free(sc->sc_ah, sc->p2p_ps_timer);  in ath9k_deinit_p2p()