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()
152 		ath9k_beacon_add_noa(sc, avp, skb);  in ath9k_beacon_generate()
154 	bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,  in ath9k_beacon_generate()
156 	if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {  in ath9k_beacon_generate()
179 		if (sc->cur_chan->nvifs > 1) {  in ath9k_beacon_generate()
182 			ath_draintxq(sc, cabq);  in ath9k_beacon_generate()
186 	ath9k_beacon_setup(sc, vif, bf, info->control.rates[0].idx);  in ath9k_beacon_generate()
194 void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif)  in ath9k_beacon_assign_slot()  argument
196 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_beacon_assign_slot()
200 	avp->av_bcbuf = list_first_entry(&sc->beacon.bbuf, struct ath_buf, list);  in ath9k_beacon_assign_slot()
204 		if (sc->beacon.bslot[slot] == NULL) {  in ath9k_beacon_assign_slot()
210 	sc->beacon.bslot[avp->av_bslot] = vif;  in ath9k_beacon_assign_slot()
211 	sc->nbcnvifs++;  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()
222 	struct ath_beacon_config *cur_conf = &sc->cur_chan->beacon;  in ath9k_beacon_remove_slot()
227 	tasklet_disable(&sc->bcon_tasklet);  in ath9k_beacon_remove_slot()
233 		dma_unmap_single(sc->dev, bf->bf_buf_addr,  in ath9k_beacon_remove_slot()
241 	sc->beacon.bslot[avp->av_bslot] = NULL;  in ath9k_beacon_remove_slot()
242 	sc->nbcnvifs--;  in ath9k_beacon_remove_slot()
243 	list_add_tail(&bf->list, &sc->beacon.bbuf);  in ath9k_beacon_remove_slot()
245 	tasklet_enable(&sc->bcon_tasklet);  in ath9k_beacon_remove_slot()
248 static int ath9k_beacon_choose_slot(struct ath_softc *sc)  in ath9k_beacon_choose_slot()  argument
250 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_beacon_choose_slot()
251 	struct ath_beacon_config *cur_conf = &sc->cur_chan->beacon;  in ath9k_beacon_choose_slot()
257 	if (sc->sc_ah->opmode != NL80211_IFTYPE_AP &&  in ath9k_beacon_choose_slot()
258 	    sc->sc_ah->opmode != NL80211_IFTYPE_MESH_POINT) {  in ath9k_beacon_choose_slot()
260 			ath9k_hw_gettsf64(sc->sc_ah));  in ath9k_beacon_choose_slot()
265 	tsf = ath9k_hw_gettsf64(sc->sc_ah);  in ath9k_beacon_choose_slot()
266 	tsf += TU_TO_USEC(sc->sc_ah->config.sw_beacon_response_time);  in ath9k_beacon_choose_slot()
276 static void ath9k_set_tsfadjust(struct ath_softc *sc, struct ieee80211_vif *vif)  in ath9k_set_tsfadjust()  argument
278 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_set_tsfadjust()
294 bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif)  in ath9k_csa_is_finished()  argument
308 	struct ath_softc *sc = data;  in ath9k_csa_update_vif()  local
309 	ath9k_csa_is_finished(sc, vif);  in ath9k_csa_update_vif()
312 void ath9k_csa_update(struct ath_softc *sc)  in ath9k_csa_update()  argument
314 	ieee80211_iterate_active_interfaces_atomic(sc->hw,  in ath9k_csa_update()
316 						   ath9k_csa_update_vif, sc);  in ath9k_csa_update()
321 	struct ath_softc *sc = (struct ath_softc *)data;  in ath9k_beacon_tasklet()  local
322 	struct ath_hw *ah = sc->sc_ah;  in ath9k_beacon_tasklet()
342 	if (ath9k_hw_numtxpending(ah, sc->beacon.beaconq) != 0) {  in ath9k_beacon_tasklet()
343 		sc->beacon.bmisscnt++;  in ath9k_beacon_tasklet()
353 		if (!ath_hw_check(sc))  in ath9k_beacon_tasklet()
356 		if (sc->beacon.bmisscnt < BSTUCK_THRESH * sc->nbcnvifs) {  in ath9k_beacon_tasklet()
359 				sc->beacon.bmisscnt);  in ath9k_beacon_tasklet()
360 			ath9k_hw_stop_dma_queue(ah, sc->beacon.beaconq);  in ath9k_beacon_tasklet()
361 			if (sc->beacon.bmisscnt > 3)  in ath9k_beacon_tasklet()
363 		} else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) {  in ath9k_beacon_tasklet()
365 			sc->beacon.bmisscnt = 0;  in ath9k_beacon_tasklet()
366 			ath9k_queue_reset(sc, RESET_TYPE_BEACON_STUCK);  in ath9k_beacon_tasklet()
372 	slot = ath9k_beacon_choose_slot(sc);  in ath9k_beacon_tasklet()
373 	vif = sc->beacon.bslot[slot];  in ath9k_beacon_tasklet()
378 			ath_chanctx_beacon_sent_ev(sc,  in ath9k_beacon_tasklet()
382 		if (ath9k_csa_is_finished(sc, vif))  in ath9k_beacon_tasklet()
390 		ath_chanctx_event(sc, vif, ATH_CHANCTX_EVENT_BEACON_PREPARE);  in ath9k_beacon_tasklet()
393 	bf = ath9k_beacon_generate(sc->hw, vif);  in ath9k_beacon_tasklet()
395 	if (sc->beacon.bmisscnt != 0) {  in ath9k_beacon_tasklet()
397 			sc->beacon.bmisscnt);  in ath9k_beacon_tasklet()
398 		sc->beacon.bmisscnt = 0;  in ath9k_beacon_tasklet()
417 	if (sc->beacon.updateslot == UPDATE) {  in ath9k_beacon_tasklet()
418 		sc->beacon.updateslot = COMMIT;  in ath9k_beacon_tasklet()
419 		sc->beacon.slotupdate = slot;  in ath9k_beacon_tasklet()
420 	} else if (sc->beacon.updateslot == COMMIT &&  in ath9k_beacon_tasklet()
421 		   sc->beacon.slotupdate == slot) {  in ath9k_beacon_tasklet()
422 		ah->slottime = sc->beacon.slottime;  in ath9k_beacon_tasklet()
424 		sc->beacon.updateslot = OK;  in ath9k_beacon_tasklet()
428 		ath9k_reset_beacon_status(sc);  in ath9k_beacon_tasklet()
434 		ath9k_hw_puttxbuf(ah, sc->beacon.beaconq, bf->bf_daddr);  in ath9k_beacon_tasklet()
437 			ath9k_hw_txstart(ah, sc->beacon.beaconq);  in ath9k_beacon_tasklet()
444 static void ath9k_beacon_init(struct ath_softc *sc, u32 nexttbtt,  in ath9k_beacon_init()  argument
447 	struct ath_hw *ah = sc->sc_ah;  in ath9k_beacon_init()
452 	ath9k_beaconq_config(sc);  in ath9k_beacon_init()
454 	sc->beacon.bmisscnt = 0;  in ath9k_beacon_init()
464 static void ath9k_beacon_config_ap(struct ath_softc *sc,  in ath9k_beacon_config_ap()  argument
467 	struct ath_hw *ah = sc->sc_ah;  in ath9k_beacon_config_ap()
470 	ath9k_beacon_init(sc, conf->nexttbtt, conf->intval, false);  in ath9k_beacon_config_ap()
489 static void ath9k_beacon_config_adhoc(struct ath_softc *sc,  in ath9k_beacon_config_adhoc()  argument
492 	struct ath_hw *ah = sc->sc_ah;  in ath9k_beacon_config_adhoc()
495 	ath9k_reset_beacon_status(sc);  in ath9k_beacon_config_adhoc()
499 	ath9k_beacon_init(sc, conf->nexttbtt, conf->intval, conf->ibss_creator);  in ath9k_beacon_config_adhoc()
509 static bool ath9k_allow_beacon_config(struct ath_softc *sc,  in ath9k_allow_beacon_config()  argument
512 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_allow_beacon_config()
522 		if (sc->cur_chan != avp->chanctx)  in ath9k_allow_beacon_config()
526 	if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) {  in ath9k_allow_beacon_config()
534 	if (sc->sc_ah->opmode == NL80211_IFTYPE_STATION) {  in ath9k_allow_beacon_config()
537 		    vif != sc->cur_chan->primary_sta) {  in ath9k_allow_beacon_config()
547 static void ath9k_cache_beacon_config(struct ath_softc *sc,  in ath9k_cache_beacon_config()  argument
551 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_cache_beacon_config()
584 void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif,  in ath9k_beacon_config()  argument
588         struct ath_hw *ah = sc->sc_ah;  in ath9k_beacon_config()
601 		ath9k_set_tsfadjust(sc, vif);  in ath9k_beacon_config()
603 	if (!ath9k_allow_beacon_config(sc, vif))  in ath9k_beacon_config()
607 		ath9k_cache_beacon_config(sc, ctx, bss_conf);  in ath9k_beacon_config()
608 		if (ctx != sc->cur_chan)  in ath9k_beacon_config()
611 		ath9k_set_beacon(sc);  in ath9k_beacon_config()
628 				ath9k_cache_beacon_config(sc, ctx, bss_conf);  in ath9k_beacon_config()
632 	if (ctx != sc->cur_chan)  in ath9k_beacon_config()
647 			spin_lock_irqsave(&sc->sc_pm_lock, flags);  in ath9k_beacon_config()
648 			sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;  in ath9k_beacon_config()
649 			spin_unlock_irqrestore(&sc->sc_pm_lock, flags);  in ath9k_beacon_config()
652 			ath9k_set_beacon(sc);  in ath9k_beacon_config()
666 void ath9k_set_beacon(struct ath_softc *sc)  in ath9k_set_beacon()  argument
668 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath9k_set_beacon()
669 	struct ath_beacon_config *cur_conf = &sc->cur_chan->beacon;  in ath9k_set_beacon()
671 	switch (sc->sc_ah->opmode) {  in ath9k_set_beacon()
674 		ath9k_beacon_config_ap(sc, cur_conf);  in ath9k_set_beacon()
677 		ath9k_beacon_config_adhoc(sc, cur_conf);  in ath9k_set_beacon()
680 		ath9k_beacon_config_sta(sc->sc_ah, cur_conf);  in ath9k_set_beacon()