22 static void ath9k_reset_beacon_status(struct ath_softc *sc)  in ath9k_reset_beacon_status()  argument
24 	sc->beacon.tx_processed = false;  in ath9k_reset_beacon_status()
25 	sc->beacon.tx_last = false;  in ath9k_reset_beacon_status()
33 static void ath9k_beaconq_config(struct ath_softc *sc)  in ath9k_beaconq_config()  argument
35 	struct ath_hw *ah = sc->sc_ah;  in ath9k_beaconq_config()
40 	ath9k_hw_get_txq_props(ah, sc->beacon.beaconq, &qi);  in ath9k_beaconq_config()
42 	if (sc->sc_ah->opmode == NL80211_IFTYPE_AP ||  in ath9k_beaconq_config()
43 	    sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT) {  in ath9k_beaconq_config()
50 		txq = sc->tx.txq_map[IEEE80211_AC_BE];  in ath9k_beaconq_config()
60 	if (!ath9k_hw_set_txq_props(ah, sc->beacon.beaconq, &qi)) {  in ath9k_beaconq_config()
63 		ath9k_hw_resettxqueue(ah, sc->beacon.beaconq);  in ath9k_beaconq_config()
72 static void ath9k_beacon_setup(struct ath_softc *sc, struct ieee80211_vif *vif,  in ath9k_beacon_setup()  argument
76 	struct ath_hw *ah = sc->sc_ah;  in ath9k_beacon_setup()
83 	sband = &common->sbands[sc->cur_chandef.chan->band];  in ath9k_beacon_setup()
103 	info.qcu = sc->beacon.beaconq;  in ath9k_beacon_setup()
107 	info.rates[0].ChSel = ath_txchainmask_reduction(sc, chainmask, rate);  in ath9k_beacon_setup()
115 	struct ath_softc *sc = hw->priv;  in ath9k_beacon_generate()  local
116 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_beacon_generate()
120 	struct ath_txq *cabq = sc->beacon.cabq;  in ath9k_beacon_generate()
131 		dma_unmap_single(sc->dev, bf->bf_buf_addr,  in ath9k_beacon_generate()
153 		ath9k_beacon_add_noa(sc, avp, skb);  in ath9k_beacon_generate()
155 	bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,  in ath9k_beacon_generate()
157 	if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {  in ath9k_beacon_generate()
180 		if (sc->cur_chan->nvifs > 1) {  in ath9k_beacon_generate()
183 			ath_draintxq(sc, cabq);  in ath9k_beacon_generate()
187 	ath9k_beacon_setup(sc, vif, bf, info->control.rates[0].idx);  in ath9k_beacon_generate()
195 void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif)  in ath9k_beacon_assign_slot()  argument
197 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_beacon_assign_slot()
201 	avp->av_bcbuf = list_first_entry(&sc->beacon.bbuf, struct ath_buf, list);  in ath9k_beacon_assign_slot()
205 		if (sc->beacon.bslot[slot] == NULL) {  in ath9k_beacon_assign_slot()
211 	sc->beacon.bslot[avp->av_bslot] = vif;  in ath9k_beacon_assign_slot()
217 void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif)  in ath9k_beacon_remove_slot()  argument
219 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_beacon_remove_slot()
226 	tasklet_disable(&sc->bcon_tasklet);  in ath9k_beacon_remove_slot()
230 		dma_unmap_single(sc->dev, bf->bf_buf_addr,  in ath9k_beacon_remove_slot()
238 	sc->beacon.bslot[avp->av_bslot] = NULL;  in ath9k_beacon_remove_slot()
239 	list_add_tail(&bf->list, &sc->beacon.bbuf);  in ath9k_beacon_remove_slot()
241 	tasklet_enable(&sc->bcon_tasklet);  in ath9k_beacon_remove_slot()
244 void ath9k_beacon_ensure_primary_slot(struct ath_softc *sc)  in ath9k_beacon_ensure_primary_slot()  argument
246 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_beacon_ensure_primary_slot()
254 	tasklet_disable_in_atomic(&sc->bcon_tasklet);  in ath9k_beacon_ensure_primary_slot()
258 		if (sc->beacon.bslot[slot]) {  in ath9k_beacon_ensure_primary_slot()
269 			vif = sc->beacon.bslot[slot + first_slot];  in ath9k_beacon_ensure_primary_slot()
270 			sc->beacon.bslot[slot] = vif;  in ath9k_beacon_ensure_primary_slot()
277 			sc->beacon.bslot[slot] = NULL;  in ath9k_beacon_ensure_primary_slot()
281 	vif = sc->beacon.bslot[0];  in ath9k_beacon_ensure_primary_slot()
295 	if (sc->cur_chan == avp->chanctx) {  in ath9k_beacon_ensure_primary_slot()
297 		ath9k_hw_settsf64(sc->sc_ah, avp->chanctx->tsf_val + offset);  in ath9k_beacon_ensure_primary_slot()
303 	tasklet_enable(&sc->bcon_tasklet);  in ath9k_beacon_ensure_primary_slot()
306 static int ath9k_beacon_choose_slot(struct ath_softc *sc)  in ath9k_beacon_choose_slot()  argument
308 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_beacon_choose_slot()
309 	struct ath_beacon_config *cur_conf = &sc->cur_chan->beacon;  in ath9k_beacon_choose_slot()
315 	if (sc->sc_ah->opmode != NL80211_IFTYPE_AP &&  in ath9k_beacon_choose_slot()
316 	    sc->sc_ah->opmode != NL80211_IFTYPE_MESH_POINT) {  in ath9k_beacon_choose_slot()
318 			ath9k_hw_gettsf64(sc->sc_ah));  in ath9k_beacon_choose_slot()
323 	tsf = ath9k_hw_gettsf64(sc->sc_ah);  in ath9k_beacon_choose_slot()
324 	tsf += TU_TO_USEC(sc->sc_ah->config.sw_beacon_response_time);  in ath9k_beacon_choose_slot()
334 static void ath9k_set_tsfadjust(struct ath_softc *sc,  in ath9k_set_tsfadjust()  argument
337 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_set_tsfadjust()
344 		if (!sc->beacon.bslot[slot])  in ath9k_set_tsfadjust()
347 		avp = (void *)sc->beacon.bslot[slot]->drv_priv;  in ath9k_set_tsfadjust()
363 bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif)  in ath9k_csa_is_finished()  argument
377 	struct ath_softc *sc = data;  in ath9k_csa_update_vif()  local
378 	ath9k_csa_is_finished(sc, vif);  in ath9k_csa_update_vif()
381 void ath9k_csa_update(struct ath_softc *sc)  in ath9k_csa_update()  argument
383 	ieee80211_iterate_active_interfaces_atomic(sc->hw,  in ath9k_csa_update()
385 						   ath9k_csa_update_vif, sc);  in ath9k_csa_update()
390 	struct ath_softc *sc = from_tasklet(sc, t, bcon_tasklet);  in ath9k_beacon_tasklet()  local
391 	struct ath_hw *ah = sc->sc_ah;  in ath9k_beacon_tasklet()
411 	if (ath9k_hw_numtxpending(ah, sc->beacon.beaconq) != 0) {  in ath9k_beacon_tasklet()
412 		sc->beacon.bmisscnt++;  in ath9k_beacon_tasklet()
422 		if (!ath_hw_check(sc))  in ath9k_beacon_tasklet()
425 		if (sc->beacon.bmisscnt < BSTUCK_THRESH * sc->nbcnvifs) {  in ath9k_beacon_tasklet()
428 				sc->beacon.bmisscnt);  in ath9k_beacon_tasklet()
429 			ath9k_hw_stop_dma_queue(ah, sc->beacon.beaconq);  in ath9k_beacon_tasklet()
430 			if (sc->beacon.bmisscnt > 3)  in ath9k_beacon_tasklet()
432 		} else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) {  in ath9k_beacon_tasklet()
434 			sc->beacon.bmisscnt = 0;  in ath9k_beacon_tasklet()
435 			ath9k_queue_reset(sc, RESET_TYPE_BEACON_STUCK);  in ath9k_beacon_tasklet()
441 	slot = ath9k_beacon_choose_slot(sc);  in ath9k_beacon_tasklet()
442 	vif = sc->beacon.bslot[slot];  in ath9k_beacon_tasklet()
447 			ath_chanctx_beacon_sent_ev(sc,  in ath9k_beacon_tasklet()
451 		if (ath9k_csa_is_finished(sc, vif))  in ath9k_beacon_tasklet()
459 		ath_chanctx_event(sc, vif, ATH_CHANCTX_EVENT_BEACON_PREPARE);  in ath9k_beacon_tasklet()
462 	bf = ath9k_beacon_generate(sc->hw, vif);  in ath9k_beacon_tasklet()
464 	if (sc->beacon.bmisscnt != 0) {  in ath9k_beacon_tasklet()
466 			sc->beacon.bmisscnt);  in ath9k_beacon_tasklet()
467 		sc->beacon.bmisscnt = 0;  in ath9k_beacon_tasklet()
486 	if (sc->beacon.updateslot == UPDATE) {  in ath9k_beacon_tasklet()
487 		sc->beacon.updateslot = COMMIT;  in ath9k_beacon_tasklet()
488 		sc->beacon.slotupdate = slot;  in ath9k_beacon_tasklet()
489 	} else if (sc->beacon.updateslot == COMMIT &&  in ath9k_beacon_tasklet()
490 		   sc->beacon.slotupdate == slot) {  in ath9k_beacon_tasklet()
491 		ah->slottime = sc->beacon.slottime;  in ath9k_beacon_tasklet()
493 		sc->beacon.updateslot = OK;  in ath9k_beacon_tasklet()
497 		ath9k_reset_beacon_status(sc);  in ath9k_beacon_tasklet()
503 		ath9k_hw_puttxbuf(ah, sc->beacon.beaconq, bf->bf_daddr);  in ath9k_beacon_tasklet()
506 			ath9k_hw_txstart(ah, sc->beacon.beaconq);  in ath9k_beacon_tasklet()
513 static void ath9k_beacon_init(struct ath_softc *sc, u32 nexttbtt,  in ath9k_beacon_init()  argument
516 	struct ath_hw *ah = sc->sc_ah;  in ath9k_beacon_init()
519 	ath9k_beaconq_config(sc);  in ath9k_beacon_init()
522 	sc->beacon.bmisscnt = 0;  in ath9k_beacon_init()
527 static void ath9k_beacon_stop(struct ath_softc *sc)  in ath9k_beacon_stop()  argument
529 	ath9k_hw_disable_interrupts(sc->sc_ah);  in ath9k_beacon_stop()
530 	sc->sc_ah->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);  in ath9k_beacon_stop()
531 	sc->beacon.bmisscnt = 0;  in ath9k_beacon_stop()
532 	ath9k_hw_set_interrupts(sc->sc_ah);  in ath9k_beacon_stop()
533 	ath9k_hw_enable_interrupts(sc->sc_ah);  in ath9k_beacon_stop()
541 static void ath9k_beacon_config_ap(struct ath_softc *sc,  in ath9k_beacon_config_ap()  argument
544 	struct ath_hw *ah = sc->sc_ah;  in ath9k_beacon_config_ap()
547 	ath9k_beacon_init(sc, conf->nexttbtt, conf->intval);  in ath9k_beacon_config_ap()
566 static void ath9k_beacon_config_adhoc(struct ath_softc *sc,  in ath9k_beacon_config_adhoc()  argument
569 	struct ath_hw *ah = sc->sc_ah;  in ath9k_beacon_config_adhoc()
572 	ath9k_reset_beacon_status(sc);  in ath9k_beacon_config_adhoc()
576 	ath9k_beacon_init(sc, conf->nexttbtt, conf->intval);  in ath9k_beacon_config_adhoc()
586 static void ath9k_cache_beacon_config(struct ath_softc *sc,  in ath9k_cache_beacon_config()  argument
591 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_cache_beacon_config()
622 	ath9k_set_tsfadjust(sc, cur_conf);  in ath9k_cache_beacon_config()
625 void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *main_vif,  in ath9k_beacon_config()  argument
628 	struct ath_hw *ah = sc->sc_ah;  in ath9k_beacon_config()
639 		ath9k_beacon_stop(sc);  in ath9k_beacon_config()
652 	if (sc->sc_ah->opmode == NL80211_IFTYPE_STATION) {  in ath9k_beacon_config()
653 		ath9k_cache_beacon_config(sc, ctx, main_vif);  in ath9k_beacon_config()
655 		ath9k_set_beacon(sc);  in ath9k_beacon_config()
661 	ath9k_cache_beacon_config(sc, ctx, main_vif);  in ath9k_beacon_config()
673 		if (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC &&  in ath9k_beacon_config()
675 			spin_lock_irqsave(&sc->sc_pm_lock, flags);  in ath9k_beacon_config()
676 			sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;  in ath9k_beacon_config()
677 			spin_unlock_irqrestore(&sc->sc_pm_lock, flags);  in ath9k_beacon_config()
687 			ath9k_set_beacon(sc);  in ath9k_beacon_config()
690 			ath9k_beacon_stop(sc);  in ath9k_beacon_config()
694 		ath9k_beacon_stop(sc);  in ath9k_beacon_config()
698 void ath9k_set_beacon(struct ath_softc *sc)  in ath9k_set_beacon()  argument
700 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_set_beacon()
701 	struct ath_beacon_config *cur_conf = &sc->cur_chan->beacon;  in ath9k_set_beacon()
703 	switch (sc->sc_ah->opmode) {  in ath9k_set_beacon()
706 		ath9k_beacon_config_ap(sc, cur_conf);  in ath9k_set_beacon()
709 		ath9k_beacon_config_adhoc(sc, cur_conf);  in ath9k_set_beacon()
712 		ath9k_beacon_config_sta(sc->sc_ah, cur_conf);  in ath9k_set_beacon()