1 files changed, 130 insertions, 8 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index a7f5bfbc02ed..13e58c328aff 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -147,7 +147,7 @@ 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,
@@ -252,6 +252,11 @@ int __mt7921_start(struct mt792x_phy *phy)
 			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;
 }
 EXPORT_SYMBOL_GPL(__mt7921_start);
@@ -308,6 +313,7 @@ mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 	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->bss_conf,
+					  &mvif->bss_conf.mt76,
 					  &mvif->sta.deflink.wcid, true);
 	if (ret)
 		goto out;
@@ -319,10 +325,8 @@ mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 
 	INIT_LIST_HEAD(&mvif->sta.deflink.wcid.poll_list);
 	mvif->sta.deflink.wcid.idx = idx;
-	mvif->sta.deflink.wcid.phy_idx = mvif->bss_conf.mt76.band_idx;
-	mvif->sta.deflink.wcid.hw_key_idx = -1;
 	mvif->sta.deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET;
-	mt76_wcid_init(&mvif->sta.deflink.wcid);
+	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);
@@ -338,6 +342,9 @@ mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 	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);
 
@@ -360,9 +367,9 @@ void mt7921_roc_abort_sync(struct mt792x_dev *dev)
 	del_timer_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);
 
@@ -531,7 +538,13 @@ 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);
@@ -858,6 +871,7 @@ 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;
 
+	mt7921_roc_abort_sync(dev);
 	mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->deflink.wcid);
 	mt76_connac_pm_wake(&dev->mphy, &dev->pm);
 
@@ -1334,6 +1348,9 @@ 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;
 }
 
@@ -1341,6 +1358,10 @@ static void
 mt7921_remove_chanctx(struct ieee80211_hw *hw,
 		      struct ieee80211_chanctx_conf *ctx)
 {
+	struct mt792x_dev *dev = mt792x_hw_dev(hw);
+
+	if (dev->new_ctx == ctx)
+		dev->new_ctx = NULL;
 }
 
 static void
@@ -1391,6 +1412,101 @@ 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;
+
+	del_timer_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,
@@ -1441,6 +1557,7 @@ 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,
@@ -1450,6 +1567,11 @@ 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);