1 files changed, 110 insertions, 63 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 4a8c9b80b08e..fbf23ac61c97 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -224,16 +224,11 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
 	struct ath_common *common = ath9k_hw_common(ah);
 	unsigned long flags;
 
-	if (ath_startrecv(sc) != 0) {
-		ath_err(common, "Unable to restart recv logic\n");
-		return false;
-	}
-
+	ath9k_calculate_summary_state(sc, sc->cur_chan);
+	ath_startrecv(sc);
 	ath9k_cmn_update_txpow(ah, sc->curtxpow,
 			       sc->cur_chan->txpower, &sc->curtxpow);
-
 	clear_bit(ATH_OP_HW_RESET, &common->op_flags);
-	ath9k_calculate_summary_state(sc, sc->cur_chan);
 
 	if (!sc->cur_chan->offchannel && start) {
 		/* restore per chanctx TSF timer */
@@ -350,12 +345,16 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta,
 	memset(&an->key_idx, 0, sizeof(an->key_idx));
 
 	ath_tx_node_init(sc, an);
+
+	ath_dynack_node_init(sc->sc_ah, an);
 }
 
 static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta)
 {
 	struct ath_node *an = (struct ath_node *)sta->drv_priv;
 	ath_tx_node_cleanup(sc, an);
+
+	ath_dynack_node_deinit(sc->sc_ah, an);
 }
 
 void ath9k_tasklet(unsigned long data)
@@ -916,8 +915,6 @@ static void ath9k_vif_iter(struct ath9k_vif_iter_data *iter_data,
 	switch (vif->type) {
 	case NL80211_IFTYPE_AP:
 		iter_data->naps++;
-		if (vif->bss_conf.enable_beacon)
-			iter_data->beacons = true;
 		break;
 	case NL80211_IFTYPE_STATION:
 		iter_data->nstations++;
@@ -960,21 +957,6 @@ void ath9k_calculate_iter_data(struct ath_softc *sc,
 
 	list_for_each_entry(avp, &ctx->vifs, list)
 		ath9k_vif_iter(iter_data, avp->vif->addr, avp->vif);
-
-#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
-	if (ctx == &sc->offchannel.chan) {
-		struct ieee80211_vif *vif;
-
-		if (sc->offchannel.state < ATH_OFFCHANNEL_ROC_START)
-			vif = sc->offchannel.scan_vif;
-		else
-			vif = sc->offchannel.roc_vif;
-
-		if (vif)
-			ath9k_vif_iter(iter_data, vif->addr, vif);
-		iter_data->beacons = false;
-	}
-#endif
 }
 
 static void ath9k_set_assoc_state(struct ath_softc *sc,
@@ -985,13 +967,6 @@ static void ath9k_set_assoc_state(struct ath_softc *sc,
 	unsigned long flags;
 
 	set_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);
-	/* Set the AID, BSSID and do beacon-sync only when
-	 * the HW opmode is STATION.
-	 *
-	 * But the primary bit is set above in any case.
-	 */
-	if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION)
-		return;
 
 	ether_addr_copy(common->curbssid, bss_conf->bssid);
 	common->curaid = bss_conf->aid;
@@ -1014,6 +989,43 @@ static void ath9k_set_assoc_state(struct ath_softc *sc,
 		vif->addr, common->curbssid);
 }
 
+#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
+static void ath9k_set_offchannel_state(struct ath_softc *sc)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ieee80211_vif *vif = NULL;
+
+	ath9k_ps_wakeup(sc);
+
+	if (sc->offchannel.state < ATH_OFFCHANNEL_ROC_START)
+		vif = sc->offchannel.scan_vif;
+	else
+		vif = sc->offchannel.roc_vif;
+
+	if (WARN_ON(!vif))
+		goto exit;
+
+	eth_zero_addr(common->curbssid);
+	eth_broadcast_addr(common->bssidmask);
+	ether_addr_copy(common->macaddr, vif->addr);
+	common->curaid = 0;
+	ah->opmode = vif->type;
+	ah->imask &= ~ATH9K_INT_SWBA;
+	ah->imask &= ~ATH9K_INT_TSFOOR;
+	ah->slottime = ATH9K_SLOT_TIME_9;
+
+	ath_hw_setbssidmask(common);
+	ath9k_hw_setopmode(ah);
+	ath9k_hw_write_associd(sc->sc_ah);
+	ath9k_hw_set_interrupts(ah);
+	ath9k_hw_init_global_settings(ah);
+
+exit:
+	ath9k_ps_restore(sc);
+}
+#endif
+
 /* Called with sc->mutex held. */
 void ath9k_calculate_summary_state(struct ath_softc *sc,
 				   struct ath_chanctx *ctx)
@@ -1021,12 +1033,18 @@ void ath9k_calculate_summary_state(struct ath_softc *sc,
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_vif_iter_data iter_data;
+	struct ath_beacon_config *cur_conf;
 
 	ath_chanctx_check_active(sc, ctx);
 
 	if (ctx != sc->cur_chan)
 		return;
 
+#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
+	if (ctx == &sc->offchannel.chan)
+		return ath9k_set_offchannel_state(sc);
+#endif
+
 	ath9k_ps_wakeup(sc);
 	ath9k_calculate_iter_data(sc, ctx, &iter_data);
 
@@ -1037,8 +1055,11 @@ void ath9k_calculate_summary_state(struct ath_softc *sc,
 	ath_hw_setbssidmask(common);
 
 	if (iter_data.naps > 0) {
+		cur_conf = &ctx->beacon;
 		ath9k_hw_set_tsfadjust(ah, true);
 		ah->opmode = NL80211_IFTYPE_AP;
+		if (cur_conf->enable_beacon)
+			iter_data.beacons = true;
 	} else {
 		ath9k_hw_set_tsfadjust(ah, false);
 
@@ -1067,13 +1088,11 @@ void ath9k_calculate_summary_state(struct ath_softc *sc,
 	if (ah->opmode == NL80211_IFTYPE_STATION) {
 		bool changed = (iter_data.primary_sta != ctx->primary_sta);
 
-		iter_data.beacons = true;
 		if (iter_data.primary_sta) {
+			iter_data.beacons = true;
 			ath9k_set_assoc_state(sc, iter_data.primary_sta,
 					      changed);
-			if (!ctx->primary_sta ||
-			    !ctx->primary_sta->bss_conf.assoc)
-				ctx->primary_sta = iter_data.primary_sta;
+			ctx->primary_sta = iter_data.primary_sta;
 		} else {
 			ctx->primary_sta = NULL;
 			memset(common->curbssid, 0, ETH_ALEN);
@@ -1102,11 +1121,23 @@ void ath9k_calculate_summary_state(struct ath_softc *sc,
 	else
 		clear_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);
 
-	ctx->primary_sta = iter_data.primary_sta;
-
 	ath9k_ps_restore(sc);
 }
 
+static void ath9k_assign_hw_queues(struct ieee80211_hw *hw,
+				   struct ieee80211_vif *vif)
+{
+	int i;
+
+	for (i = 0; i < IEEE80211_NUM_ACS; i++)
+		vif->hw_queue[i] = i;
+
+	if (vif->type == NL80211_IFTYPE_AP)
+		vif->cab_queue = hw->queues - 2;
+	else
+		vif->cab_queue = IEEE80211_INVAL_HW_QUEUE;
+}
+
 static int ath9k_add_interface(struct ieee80211_hw *hw,
 			       struct ieee80211_vif *vif)
 {
@@ -1115,12 +1146,11 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_vif *avp = (void *)vif->drv_priv;
 	struct ath_node *an = &avp->mcast_node;
-	int i;
 
 	mutex_lock(&sc->mutex);
 
 	if (config_enabled(CONFIG_ATH9K_TX99)) {
-		if (sc->nvifs >= 1) {
+		if (sc->cur_chan->nvifs >= 1) {
 			mutex_unlock(&sc->mutex);
 			return -EOPNOTSUPP;
 		}
@@ -1128,7 +1158,7 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 	}
 
 	ath_dbg(common, CONFIG, "Attach a VIF of type: %d\n", vif->type);
-	sc->nvifs++;
+	sc->cur_chan->nvifs++;
 
 	if (ath9k_uses_beacons(vif->type))
 		ath9k_beacon_assign_slot(sc, vif);
@@ -1138,12 +1168,8 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 		avp->chanctx = sc->cur_chan;
 		list_add_tail(&avp->list, &avp->chanctx->vifs);
 	}
-	for (i = 0; i < IEEE80211_NUM_ACS; i++)
-		vif->hw_queue[i] = i;
-	if (vif->type == NL80211_IFTYPE_AP)
-		vif->cab_queue = hw->queues - 2;
-	else
-		vif->cab_queue = IEEE80211_INVAL_HW_QUEUE;
+
+	ath9k_assign_hw_queues(hw, vif);
 
 	an->sc = sc;
 	an->sta = NULL;
@@ -1163,7 +1189,6 @@ static int ath9k_change_interface(struct ieee80211_hw *hw,
 	struct ath_softc *sc = hw->priv;
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_vif *avp = (void *)vif->drv_priv;
-	int i;
 
 	mutex_lock(&sc->mutex);
 
@@ -1183,14 +1208,7 @@ static int ath9k_change_interface(struct ieee80211_hw *hw,
 	if (ath9k_uses_beacons(vif->type))
 		ath9k_beacon_assign_slot(sc, vif);
 
-	for (i = 0; i < IEEE80211_NUM_ACS; i++)
-		vif->hw_queue[i] = i;
-
-	if (vif->type == NL80211_IFTYPE_AP)
-		vif->cab_queue = hw->queues - 2;
-	else
-		vif->cab_queue = IEEE80211_INVAL_HW_QUEUE;
-
+	ath9k_assign_hw_queues(hw, vif);
 	ath9k_calculate_summary_state(sc, avp->chanctx);
 
 	mutex_unlock(&sc->mutex);
@@ -1210,7 +1228,7 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
 
 	ath9k_p2p_remove_vif(sc, vif);
 
-	sc->nvifs--;
+	sc->cur_chan->nvifs--;
 	sc->tx99_vif = NULL;
 	if (!ath9k_is_chanctx_enabled())
 		list_del(&avp->list);
@@ -1430,7 +1448,10 @@ static void ath9k_configure_filter(struct ieee80211_hw *hw,
 	changed_flags &= SUPPORTED_FILTERS;
 	*total_flags &= SUPPORTED_FILTERS;
 
-	sc->rx.rxfilter = *total_flags;
+	spin_lock_bh(&sc->chan_lock);
+	sc->cur_chan->rxfilter = *total_flags;
+	spin_unlock_bh(&sc->chan_lock);
+
 	ath9k_ps_wakeup(sc);
 	rfilt = ath_calcrxfilter(sc);
 	ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
@@ -1695,9 +1716,9 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 	if ((changed & BSS_CHANGED_BEACON_ENABLED) ||
 	    (changed & BSS_CHANGED_BEACON_INT) ||
 	    (changed & BSS_CHANGED_BEACON_INFO)) {
+		ath9k_beacon_config(sc, vif, changed);
 		if (changed & BSS_CHANGED_BEACON_ENABLED)
 			ath9k_calculate_summary_state(sc, avp->chanctx);
-		ath9k_beacon_config(sc, vif, changed);
 	}
 
 	if ((avp->chanctx == sc->cur_chan) &&
@@ -1859,7 +1880,22 @@ static int ath9k_get_survey(struct ieee80211_hw *hw, int idx,
 	return 0;
 }
 
-static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
+static void ath9k_enable_dynack(struct ath_softc *sc)
+{
+#ifdef CONFIG_ATH9K_DYNACK
+	u32 rfilt;
+	struct ath_hw *ah = sc->sc_ah;
+
+	ath_dynack_reset(ah);
+
+	ah->dynack.enabled = true;
+	rfilt = ath_calcrxfilter(sc);
+	ath9k_hw_setrxfilter(ah, rfilt);
+#endif
+}
+
+static void ath9k_set_coverage_class(struct ieee80211_hw *hw,
+				     s16 coverage_class)
 {
 	struct ath_softc *sc = hw->priv;
 	struct ath_hw *ah = sc->sc_ah;
@@ -1868,11 +1904,22 @@ static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
 		return;
 
 	mutex_lock(&sc->mutex);
-	ah->coverage_class = coverage_class;
 
-	ath9k_ps_wakeup(sc);
-	ath9k_hw_init_global_settings(ah);
-	ath9k_ps_restore(sc);
+	if (coverage_class >= 0) {
+		ah->coverage_class = coverage_class;
+		if (ah->dynack.enabled) {
+			u32 rfilt;
+
+			ah->dynack.enabled = false;
+			rfilt = ath_calcrxfilter(sc);
+			ath9k_hw_setrxfilter(ah, rfilt);
+		}
+		ath9k_ps_wakeup(sc);
+		ath9k_hw_init_global_settings(ah);
+		ath9k_ps_restore(sc);
+	} else if (!ah->dynack.enabled) {
+		ath9k_enable_dynack(sc);
+	}
 
 	mutex_unlock(&sc->mutex);
 }