1 files changed, 254 insertions, 101 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index ca36de34171b..77f73ae1d7ec 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -83,6 +83,11 @@ mt7921_init_he_caps(struct mt792x_phy *phy, enum nl80211_band band,
 			he_cap_elem->phy_cap_info[9] |=
 				IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
 				IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
+
+			if (is_mt7922(phy->mt76->dev)) {
+				he_cap_elem->phy_cap_info[0] |=
+					IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
+			}
 			break;
 		case NL80211_IFTYPE_STATION:
 			he_cap_elem->mac_cap_info[1] |=
@@ -147,7 +152,7 @@ mt7921_init_he_caps(struct mt792x_phy *phy, enum nl80211_band band,
 		memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
 		if (he_cap_elem->phy_cap_info[6] &
 		    IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
-			mt76_connac_gen_ppe_thresh(he_cap->ppe_thres, nss);
+			mt76_connac_gen_ppe_thresh(he_cap->ppe_thres, nss, band);
 		} else {
 			he_cap_elem->phy_cap_info[9] |=
 				u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US,
@@ -242,6 +247,20 @@ int __mt7921_start(struct mt792x_phy *phy)
 
 	ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
 				     MT792x_WATCHDOG_TIME);
+	if (mt76_is_mmio(mphy->dev)) {
+		err = mt7921_mcu_radio_led_ctrl(phy->dev, EXT_CMD_RADIO_LED_CTRL_ENABLE);
+		if (err)
+			return err;
+
+		err = mt7921_mcu_radio_led_ctrl(phy->dev, EXT_CMD_RADIO_ON_LED);
+		if (err)
+			return err;
+	}
+
+	if (phy->chip_cap & MT792x_CHIP_CAP_WF_RF_PIN_CTRL_EVT_EN) {
+		mt7921_mcu_wf_rf_pin_ctrl(phy, WF_RF_PIN_INIT);
+		wiphy_rfkill_start_polling(mphy->hw->wiphy);
+	}
 
 	return 0;
 }
@@ -259,6 +278,22 @@ static int mt7921_start(struct ieee80211_hw *hw)
 	return err;
 }
 
+static void mt7921_stop(struct ieee80211_hw *hw, bool suspend)
+{
+	struct mt792x_dev *dev = mt792x_hw_dev(hw);
+	int err = 0;
+
+	if (mt76_is_mmio(&dev->mt76)) {
+		mt792x_mutex_acquire(dev);
+		err = mt7921_mcu_radio_led_ctrl(dev, EXT_CMD_RADIO_OFF_LED);
+		mt792x_mutex_release(dev);
+		if (err)
+			return;
+	}
+
+	mt792x_stop(hw, false);
+}
+
 static int
 mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
@@ -270,46 +305,51 @@ mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 
 	mt792x_mutex_acquire(dev);
 
-	mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
-	if (mvif->mt76.idx >= MT792x_MAX_INTERFACES) {
+	mvif->bss_conf.mt76.idx = __ffs64(~dev->mt76.vif_mask);
+	if (mvif->bss_conf.mt76.idx >= MT792x_MAX_INTERFACES) {
 		ret = -ENOSPC;
 		goto out;
 	}
 
-	mvif->mt76.omac_idx = mvif->mt76.idx;
+	mvif->bss_conf.mt76.omac_idx = mvif->bss_conf.mt76.idx;
 	mvif->phy = phy;
-	mvif->mt76.band_idx = 0;
-	mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS;
+	mvif->bss_conf.vif = mvif;
+	mvif->bss_conf.mt76.band_idx = 0;
+	mvif->bss_conf.mt76.wmm_idx = mvif->bss_conf.mt76.idx % MT76_CONNAC_MAX_WMM_SETS;
 
-	ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid,
-					  true);
+	ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, &vif->bss_conf,
+					  &mvif->bss_conf.mt76,
+					  &mvif->sta.deflink.wcid, true);
 	if (ret)
 		goto out;
 
-	dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
-	phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
+	dev->mt76.vif_mask |= BIT_ULL(mvif->bss_conf.mt76.idx);
+	phy->omac_mask |= BIT_ULL(mvif->bss_conf.mt76.omac_idx);
 
-	idx = MT792x_WTBL_RESERVED - mvif->mt76.idx;
+	idx = MT792x_WTBL_RESERVED - mvif->bss_conf.mt76.idx;
 
-	INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
-	mvif->sta.wcid.idx = idx;
-	mvif->sta.wcid.phy_idx = mvif->mt76.band_idx;
-	mvif->sta.wcid.hw_key_idx = -1;
-	mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
-	mt76_wcid_init(&mvif->sta.wcid);
+	INIT_LIST_HEAD(&mvif->sta.deflink.wcid.poll_list);
+	mvif->sta.deflink.wcid.idx = idx;
+	mvif->sta.deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET;
+	mt76_wcid_init(&mvif->sta.deflink.wcid, mvif->bss_conf.mt76.band_idx);
 
 	mt7921_mac_wtbl_update(dev, idx,
 			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
 
-	ewma_rssi_init(&mvif->rssi);
+	ewma_rssi_init(&mvif->bss_conf.rssi);
 
-	rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
+	rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.deflink.wcid);
 	if (vif->txq) {
 		mtxq = (struct mt76_txq *)vif->txq->drv_priv;
 		mtxq->wcid = idx;
 	}
 
 	vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
+	if (phy->chip_cap & MT792x_CHIP_CAP_RSSI_NOTIFY_EVT_EN)
+		vif->driver_flags |= IEEE80211_VIF_SUPPORTS_CQM_RSSI;
+
+	INIT_WORK(&mvif->csa_work, mt7921_csa_work);
+	timer_setup(&mvif->csa_timer, mt792x_csa_timer, 0);
 out:
 	mt792x_mutex_release(dev);
 
@@ -329,12 +369,12 @@ void mt7921_roc_abort_sync(struct mt792x_dev *dev)
 {
 	struct mt792x_phy *phy = &dev->phy;
 
-	del_timer_sync(&phy->roc_timer);
+	timer_delete_sync(&phy->roc_timer);
 	cancel_work_sync(&phy->roc_work);
 	if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
-		ieee80211_iterate_active_interfaces(mt76_hw(dev),
-						    IEEE80211_IFACE_ITER_RESUME_ALL,
-						    mt7921_roc_iter, (void *)phy);
+		ieee80211_iterate_interfaces(mt76_hw(dev),
+					     IEEE80211_IFACE_ITER_RESUME_ALL,
+					     mt7921_roc_iter, (void *)phy);
 }
 EXPORT_SYMBOL_GPL(mt7921_roc_abort_sync);
 
@@ -360,7 +400,7 @@ static int mt7921_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif)
 {
 	int err = 0;
 
-	del_timer_sync(&phy->roc_timer);
+	timer_delete_sync(&phy->roc_timer);
 	cancel_work_sync(&phy->roc_work);
 
 	mt792x_mutex_acquire(phy->dev);
@@ -427,37 +467,30 @@ static int mt7921_cancel_remain_on_channel(struct ieee80211_hw *hw,
 	return mt7921_abort_roc(phy, mvif);
 }
 
-static int mt7921_set_channel(struct mt792x_phy *phy)
+int mt7921_set_channel(struct mt76_phy *mphy)
 {
+	struct mt792x_phy *phy = mphy->priv;
 	struct mt792x_dev *dev = phy->dev;
 	int ret;
 
-	cancel_delayed_work_sync(&phy->mt76->mac_work);
-
-	mt792x_mutex_acquire(dev);
-	set_bit(MT76_RESET, &phy->mt76->state);
-
-	mt76_set_channel(phy->mt76);
-
+	mt76_connac_pm_wake(mphy, &dev->pm);
 	ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
 	if (ret)
 		goto out;
 
 	mt792x_mac_set_timeing(phy);
-
 	mt792x_mac_reset_counters(phy);
 	phy->noise = 0;
 
 out:
-	clear_bit(MT76_RESET, &phy->mt76->state);
-	mt792x_mutex_release(dev);
+	mt76_connac_power_save_sched(mphy, &dev->pm);
 
-	mt76_worker_schedule(&dev->mt76.tx_worker);
-	ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work,
+	ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
 				     MT792x_WATCHDOG_TIME);
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(mt7921_set_channel);
 
 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 			  struct ieee80211_vif *vif, struct ieee80211_sta *sta,
@@ -467,7 +500,7 @@ static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
 	struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :
 				  &mvif->sta;
-	struct mt76_wcid *wcid = &msta->wcid;
+	struct mt76_wcid *wcid = &msta->deflink.wcid;
 	u8 *wcid_keyidx = &wcid->hw_key_idx;
 	int idx = key->keyidx, err = 0;
 
@@ -510,22 +543,28 @@ static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	} else {
 		if (idx == *wcid_keyidx)
 			*wcid_keyidx = -1;
-		goto out;
+
+		/* For security issue we don't trigger the key deletion when
+		 * reassociating. But we should trigger the deletion process
+		 * to avoid using incorrect cipher after disconnection,
+		 */
+		if (vif->type != NL80211_IFTYPE_STATION || vif->cfg.assoc)
+			goto out;
 	}
 
 	mt76_wcid_key_setup(&dev->mt76, wcid, key);
-	err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip,
+	err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->deflink.bip,
 				      key, MCU_UNI_CMD(STA_REC_UPDATE),
-				      &msta->wcid, cmd);
+				      &msta->deflink.wcid, cmd);
 	if (err)
 		goto out;
 
 	if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||
 	    key->cipher == WLAN_CIPHER_SUITE_WEP40)
 		err = mt76_connac_mcu_add_key(&dev->mt76, vif,
-					      &mvif->wep_sta->bip,
+					      &mvif->wep_sta->deflink.bip,
 					      key, MCU_UNI_CMD(STA_REC_UPDATE),
-					      &mvif->wep_sta->wcid, cmd);
+					      &mvif->wep_sta->deflink.wcid, cmd);
 out:
 	mt792x_mutex_release(dev);
 
@@ -592,11 +631,9 @@ static int mt7921_config(struct ieee80211_hw *hw, u32 changed)
 	int ret = 0;
 
 	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
-		ieee80211_stop_queues(hw);
-		ret = mt7921_set_channel(phy);
+		ret = mt76_update_channel(phy->mt76);
 		if (ret)
 			return ret;
-		ieee80211_wake_queues(hw);
 	}
 
 	mt792x_mutex_acquire(dev);
@@ -679,6 +716,9 @@ static void mt7921_bss_info_changed(struct ieee80211_hw *hw,
 	if (changed & BSS_CHANGED_PS)
 		mt7921_mcu_uni_bss_ps(dev, vif);
 
+	if (changed & BSS_CHANGED_CQM)
+		mt7921_mcu_set_rssimonitor(dev, vif);
+
 	if (changed & BSS_CHANGED_ASSOC) {
 		mt7921_mcu_sta_update(dev, NULL, vif, true,
 				      MT76_STA_INFO_STATE_ASSOC);
@@ -688,7 +728,7 @@ static void mt7921_bss_info_changed(struct ieee80211_hw *hw,
 	if (changed & BSS_CHANGED_ARP_FILTER) {
 		struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
 
-		mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
+		mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->bss_conf.mt76,
 						  info);
 	}
 
@@ -769,13 +809,14 @@ int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 	if (idx < 0)
 		return -ENOSPC;
 
-	INIT_LIST_HEAD(&msta->wcid.poll_list);
+	INIT_LIST_HEAD(&msta->deflink.wcid.poll_list);
 	msta->vif = mvif;
-	msta->wcid.sta = 1;
-	msta->wcid.idx = idx;
-	msta->wcid.phy_idx = mvif->mt76.band_idx;
-	msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
-	msta->last_txs = jiffies;
+	msta->deflink.wcid.sta = 1;
+	msta->deflink.wcid.idx = idx;
+	msta->deflink.wcid.phy_idx = mvif->bss_conf.mt76.band_idx;
+	msta->deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET;
+	msta->deflink.last_txs = jiffies;
+	msta->deflink.sta = msta;
 
 	ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
 	if (ret)
@@ -800,30 +841,35 @@ int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 }
 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add);
 
-void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
-			  struct ieee80211_sta *sta)
+int mt7921_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+			 struct ieee80211_sta *sta, enum mt76_sta_event ev)
 {
 	struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
 	struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
 	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
 
+	if (ev != MT76_STA_EVENT_ASSOC)
+	    return 0;
+
 	mt792x_mutex_acquire(dev);
 
 	if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
-		mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid,
-					    true, mvif->mt76.ctx);
+		mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.deflink.wcid,
+					    true, mvif->bss_conf.mt76.ctx);
 
-	ewma_avg_signal_init(&msta->avg_ack_signal);
+	ewma_avg_signal_init(&msta->deflink.avg_ack_signal);
 
-	mt7921_mac_wtbl_update(dev, msta->wcid.idx,
+	mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx,
 			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
-	memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac));
+	memset(msta->deflink.airtime_ac, 0, sizeof(msta->deflink.airtime_ac));
 
 	mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC);
 
 	mt792x_mutex_release(dev);
+
+	return 0;
 }
-EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc);
+EXPORT_SYMBOL_GPL(mt7921_mac_sta_event);
 
 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 			   struct ieee80211_sta *sta)
@@ -831,27 +877,28 @@ void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 	struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
 	struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
 
-	mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
+	mt7921_roc_abort_sync(dev);
+	mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->deflink.wcid);
 	mt76_connac_pm_wake(&dev->mphy, &dev->pm);
 
 	mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE);
-	mt7921_mac_wtbl_update(dev, msta->wcid.idx,
+	mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx,
 			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
 
 	if (vif->type == NL80211_IFTYPE_STATION) {
 		struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
 
 		mvif->wep_sta = NULL;
-		ewma_rssi_init(&mvif->rssi);
+		ewma_rssi_init(&mvif->bss_conf.rssi);
 		if (!sta->tdls)
 			mt76_connac_mcu_uni_add_bss(&dev->mphy, vif,
-						    &mvif->sta.wcid, false,
-						    mvif->mt76.ctx);
+						    &mvif->sta.deflink.wcid, false,
+						    mvif->bss_conf.mt76.ctx);
 	}
 
 	spin_lock_bh(&dev->mt76.sta_poll_lock);
-	if (!list_empty(&msta->wcid.poll_list))
-		list_del_init(&msta->wcid.poll_list);
+	if (!list_empty(&msta->deflink.wcid.poll_list))
+		list_del_init(&msta->deflink.wcid.poll_list);
 	spin_unlock_bh(&dev->mt76.sta_poll_lock);
 
 	mt7921_regd_set_6ghz_power_type(vif, false);
@@ -893,12 +940,12 @@ mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	mt792x_mutex_acquire(dev);
 	switch (action) {
 	case IEEE80211_AMPDU_RX_START:
-		mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
+		mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn,
 				   params->buf_size);
 		mt7921_mcu_uni_rx_ba(dev, params, true);
 		break;
 	case IEEE80211_AMPDU_RX_STOP:
-		mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
+		mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid);
 		mt7921_mcu_uni_rx_ba(dev, params, false);
 		break;
 	case IEEE80211_AMPDU_TX_OPERATIONAL:
@@ -909,16 +956,16 @@ mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	case IEEE80211_AMPDU_TX_STOP_FLUSH:
 	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
 		mtxq->aggr = false;
-		clear_bit(tid, &msta->wcid.ampdu_state);
+		clear_bit(tid, &msta->deflink.wcid.ampdu_state);
 		mt7921_mcu_uni_tx_ba(dev, params, false);
 		break;
 	case IEEE80211_AMPDU_TX_START:
-		set_bit(tid, &msta->wcid.ampdu_state);
+		set_bit(tid, &msta->deflink.wcid.ampdu_state);
 		ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
 		break;
 	case IEEE80211_AMPDU_TX_STOP_CONT:
 		mtxq->aggr = false;
-		clear_bit(tid, &msta->wcid.ampdu_state);
+		clear_bit(tid, &msta->deflink.wcid.ampdu_state);
 		mt7921_mcu_uni_tx_ba(dev, params, false);
 		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
@@ -1133,14 +1180,17 @@ static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw,
 	struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
 	struct mt792x_dev *dev = mt792x_hw_dev(hw);
 
+	if (!msta->deflink.wcid.sta)
+		return;
+
 	mt792x_mutex_acquire(dev);
 
 	if (enabled)
-		set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
+		set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags);
 	else
-		clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
+		clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags);
 
-	mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid,
+	mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->deflink.wcid,
 					     MCU_UNI_CMD(STA_REC_UPDATE));
 
 	mt792x_mutex_release(dev);
@@ -1152,7 +1202,7 @@ static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw,
 				    struct inet6_dev *idev)
 {
 	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
-	struct mt792x_dev *dev = mvif->phy->dev;
+	struct mt792x_dev *dev = mt792x_hw_dev(hw);
 	struct inet6_ifaddr *ifa;
 	struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
 	struct sk_buff *skb;
@@ -1166,7 +1216,7 @@ static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw,
 		struct mt76_connac_arpns_tlv arpns;
 	} req_hdr = {
 		.hdr = {
-			.bss_idx = mvif->mt76.idx,
+			.bss_idx = mvif->bss_conf.mt76.idx,
 		},
 		.arpns = {
 			.tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
@@ -1264,8 +1314,8 @@ mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 
 	mt792x_mutex_acquire(dev);
 
-	err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid,
-					  true, mvif->mt76.ctx);
+	err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid,
+					  true, mvif->bss_conf.mt76.ctx);
 	if (err)
 		goto out;
 
@@ -1296,8 +1346,8 @@ mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	if (err)
 		goto out;
 
-	mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, false,
-				    mvif->mt76.ctx);
+	mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid, false,
+				    mvif->bss_conf.mt76.ctx);
 
 out:
 	mt792x_mutex_release(dev);
@@ -1307,6 +1357,9 @@ static int
 mt7921_add_chanctx(struct ieee80211_hw *hw,
 		   struct ieee80211_chanctx_conf *ctx)
 {
+	struct mt792x_dev *dev = mt792x_hw_dev(hw);
+
+	dev->new_ctx = ctx;
 	return 0;
 }
 
@@ -1314,21 +1367,10 @@ static void
 mt7921_remove_chanctx(struct ieee80211_hw *hw,
 		      struct ieee80211_chanctx_conf *ctx)
 {
-}
-
-static void mt7921_ctx_iter(void *priv, u8 *mac,
-			    struct ieee80211_vif *vif)
-{
-	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
-	struct ieee80211_chanctx_conf *ctx = priv;
-
-	if (ctx != mvif->mt76.ctx)
-		return;
+	struct mt792x_dev *dev = mt792x_hw_dev(hw);
 
-	if (vif->type == NL80211_IFTYPE_MONITOR)
-		mt7921_mcu_config_sniffer(mvif, ctx);
-	else
-		mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx);
+	if (dev->new_ctx == ctx)
+		dev->new_ctx = NULL;
 }
 
 static void
@@ -1336,12 +1378,22 @@ mt7921_change_chanctx(struct ieee80211_hw *hw,
 		      struct ieee80211_chanctx_conf *ctx,
 		      u32 changed)
 {
+	struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
 	struct mt792x_phy *phy = mt792x_hw_phy(hw);
+	struct ieee80211_vif *vif;
+	struct mt792x_vif *mvif;
+
+	if (!mctx->bss_conf)
+		return;
+
+	mvif = container_of(mctx->bss_conf, struct mt792x_vif, bss_conf);
+	vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
 
 	mt792x_mutex_acquire(phy->dev);
-	ieee80211_iterate_active_interfaces(phy->mt76->hw,
-					    IEEE80211_IFACE_ITER_ACTIVE,
-					    mt7921_ctx_iter, ctx);
+	if (vif->type == NL80211_IFTYPE_MONITOR)
+		mt7921_mcu_config_sniffer(mvif, ctx);
+	else
+		mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->bss_conf.mt76, ctx);
 	mt792x_mutex_release(phy->dev);
 }
 
@@ -1355,7 +1407,7 @@ static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw,
 		       jiffies_to_msecs(HZ);
 
 	mt792x_mutex_acquire(dev);
-	mt7921_set_roc(mvif->phy, mvif, mvif->mt76.ctx->def.chan, duration,
+	mt7921_set_roc(mvif->phy, mvif, mvif->bss_conf.mt76.ctx->def.chan, duration,
 		       MT7921_ROC_REQ_JOIN);
 	mt792x_mutex_release(dev);
 }
@@ -1369,10 +1421,105 @@ static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw,
 	mt7921_abort_roc(mvif->phy, mvif);
 }
 
+static int mt7921_switch_vif_chanctx(struct ieee80211_hw *hw,
+				     struct ieee80211_vif_chanctx_switch *vifs,
+				     int n_vifs,
+				     enum ieee80211_chanctx_switch_mode mode)
+{
+	return mt792x_assign_vif_chanctx(hw, vifs->vif, vifs->link_conf,
+					 vifs->new_ctx);
+}
+
+void mt7921_csa_work(struct work_struct *work)
+{
+	struct mt792x_vif *mvif;
+	struct mt792x_dev *dev;
+	struct ieee80211_vif *vif;
+	int ret;
+
+	mvif = (struct mt792x_vif *)container_of(work, struct mt792x_vif,
+						csa_work);
+	dev = mvif->phy->dev;
+	vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
+
+	mt792x_mutex_acquire(dev);
+	ret = mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->bss_conf.mt76,
+					    dev->new_ctx);
+	mt792x_mutex_release(dev);
+
+	ieee80211_chswitch_done(vif, !ret, 0);
+}
+
+static int mt7921_pre_channel_switch(struct ieee80211_hw *hw,
+				     struct ieee80211_vif *vif,
+				     struct ieee80211_channel_switch *chsw)
+{
+	if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc)
+		return -EOPNOTSUPP;
+
+	/* Avoid beacon loss due to the CAC(Channel Availability Check) time
+	 * of the AP.
+	 */
+	if (!cfg80211_chandef_usable(hw->wiphy, &chsw->chandef,
+				     IEEE80211_CHAN_RADAR))
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
+static void mt7921_channel_switch(struct ieee80211_hw *hw,
+				  struct ieee80211_vif *vif,
+				  struct ieee80211_channel_switch *chsw)
+{
+	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+	u16 beacon_interval = vif->bss_conf.beacon_int;
+
+	mvif->csa_timer.expires = TU_TO_EXP_TIME(beacon_interval * chsw->count);
+	add_timer(&mvif->csa_timer);
+}
+
+static void mt7921_abort_channel_switch(struct ieee80211_hw *hw,
+					struct ieee80211_vif *vif,
+					struct ieee80211_bss_conf *link_conf)
+{
+	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+
+	timer_delete_sync(&mvif->csa_timer);
+	cancel_work_sync(&mvif->csa_work);
+}
+
+static void mt7921_channel_switch_rx_beacon(struct ieee80211_hw *hw,
+					    struct ieee80211_vif *vif,
+					    struct ieee80211_channel_switch *chsw)
+{
+	struct mt792x_dev *dev = mt792x_hw_dev(hw);
+	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+	u16 beacon_interval = vif->bss_conf.beacon_int;
+
+	if (cfg80211_chandef_identical(&chsw->chandef,
+				       &dev->new_ctx->def) &&
+				       chsw->count) {
+		mod_timer(&mvif->csa_timer,
+			  TU_TO_EXP_TIME(beacon_interval * chsw->count));
+	}
+}
+
+static void mt7921_rfkill_poll(struct ieee80211_hw *hw)
+{
+	struct mt792x_phy *phy = mt792x_hw_phy(hw);
+	int ret = 0;
+
+	mt792x_mutex_acquire(phy->dev);
+	ret = mt7921_mcu_wf_rf_pin_ctrl(phy, WF_RF_PIN_POLL);
+	mt792x_mutex_release(phy->dev);
+
+	wiphy_rfkill_set_hw_state(hw->wiphy, ret ? false : true);
+}
+
 const struct ieee80211_ops mt7921_ops = {
 	.tx = mt792x_tx,
 	.start = mt7921_start,
-	.stop = mt792x_stop,
+	.stop = mt7921_stop,
 	.add_interface = mt7921_add_interface,
 	.remove_interface = mt792x_remove_interface,
 	.config = mt7921_config,
@@ -1419,6 +1566,7 @@ const struct ieee80211_ops mt7921_ops = {
 #endif /* CONFIG_PM */
 	.flush = mt792x_flush,
 	.set_sar_specs = mt7921_set_sar_specs,
+	.rfkill_poll = mt7921_rfkill_poll,
 	.remain_on_channel = mt7921_remain_on_channel,
 	.cancel_remain_on_channel = mt7921_cancel_remain_on_channel,
 	.add_chanctx = mt7921_add_chanctx,
@@ -1428,6 +1576,11 @@ const struct ieee80211_ops mt7921_ops = {
 	.unassign_vif_chanctx = mt792x_unassign_vif_chanctx,
 	.mgd_prepare_tx = mt7921_mgd_prepare_tx,
 	.mgd_complete_tx = mt7921_mgd_complete_tx,
+	.switch_vif_chanctx = mt7921_switch_vif_chanctx,
+	.pre_channel_switch = mt7921_pre_channel_switch,
+	.channel_switch = mt7921_channel_switch,
+	.abort_channel_switch = mt7921_abort_channel_switch,
+	.channel_switch_rx_beacon = mt7921_channel_switch_rx_beacon,
 };
 EXPORT_SYMBOL_GPL(mt7921_ops);