wifi: mt76: remove dev->wcid_phy_mask

Explicitly check wcid->phy_idx instead. Reduces allocated data size.

Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>

Author: nbd168

drivers/net/wireless/mediatek/mt76/mac80211.c

@@ -1505,8 +1505,6 @@ mt76_sta_add(struct mt76_phy *phy, struct ieee80211_vif *vif,
 	}
 
 	ewma_signal_init(&wcid->rssi);
-	if (phy->band_idx == MT_BAND1)
-		mt76_wcid_mask_set(dev->wcid_phy_mask, wcid->idx);
 	rcu_assign_pointer(dev->wcid[wcid->idx], wcid);
 	phy->num_sta++;
 
@@ -1533,7 +1531,6 @@ void __mt76_sta_remove(struct mt76_phy *phy, struct ieee80211_vif *vif,
 	mt76_wcid_cleanup(dev, wcid);
 
 	mt76_wcid_mask_clear(dev->wcid_mask, idx);
-	mt76_wcid_mask_clear(dev->wcid_phy_mask, idx);
 	phy->num_sta--;
 }
 EXPORT_SYMBOL_GPL(__mt76_sta_remove);

drivers/net/wireless/mediatek/mt76/mt76.h

@@ -909,7 +909,6 @@ struct mt76_dev {
 	spinlock_t status_lock;
 
 	u32 wcid_mask[DIV_ROUND_UP(MT76_N_WCIDS, 32)];
-	u32 wcid_phy_mask[DIV_ROUND_UP(MT76_N_WCIDS, 32)];
 
 	u64 vif_mask;
 
@@ -1474,7 +1473,7 @@ void __mt76_sta_remove(struct mt76_phy *phy, struct ieee80211_vif *vif,
 void mt76_sta_pre_rcu_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			     struct ieee80211_sta *sta);
 
-int mt76_get_min_avg_rssi(struct mt76_dev *dev, bool ext_phy);
+int mt76_get_min_avg_rssi(struct mt76_dev *dev, u8 phy_idx);
 
 int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 		     unsigned int link_id, int *dbm);

drivers/net/wireless/mediatek/mt76/mt7603/mac.c

@@ -1788,7 +1788,7 @@ mt7603_false_cca_check(struct mt7603_dev *dev)
 
 	mt7603_cca_stats_reset(dev);
 
-	min_signal = mt76_get_min_avg_rssi(&dev->mt76, false);
+	min_signal = mt76_get_min_avg_rssi(&dev->mt76, 0);
 	if (!min_signal) {
 		dev->sensitivity = 0;
 		dev->last_cca_adj = jiffies;

drivers/net/wireless/mediatek/mt76/mt76x0/phy.c

@@ -1071,7 +1071,7 @@ mt76x0_phy_update_channel_gain(struct mt76x02_dev *dev)
 	u8 gain_delta;
 	int low_gain;
 
-	dev->cal.avg_rssi_all = mt76_get_min_avg_rssi(&dev->mt76, false);
+	dev->cal.avg_rssi_all = mt76_get_min_avg_rssi(&dev->mt76, 0);
 	if (!dev->cal.avg_rssi_all)
 		dev->cal.avg_rssi_all = -75;
 

drivers/net/wireless/mediatek/mt76/mt76x2/phy.c

@@ -280,7 +280,7 @@ void mt76x2_phy_update_channel_gain(struct mt76x02_dev *dev)
 	int low_gain;
 	u32 val;
 
-	dev->cal.avg_rssi_all = mt76_get_min_avg_rssi(&dev->mt76, false);
+	dev->cal.avg_rssi_all = mt76_get_min_avg_rssi(&dev->mt76, 0);
 	if (!dev->cal.avg_rssi_all)
 		dev->cal.avg_rssi_all = -75;
 

drivers/net/wireless/mediatek/mt76/mt7925/main.c

@@ -1188,7 +1188,6 @@ mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif,
 		if (link_sta != mlink->pri_link) {
 			mt76_wcid_cleanup(mdev, wcid);
 			mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx);
-			mt76_wcid_mask_clear(mdev->wcid_phy_mask, wcid->idx);
 		}
 
 		if (msta->deflink_id == link_id)

drivers/net/wireless/mediatek/mt76/util.c

@@ -64,7 +64,7 @@ int mt76_wcid_alloc(u32 *mask, int size)
 }
 EXPORT_SYMBOL_GPL(mt76_wcid_alloc);
 
-int mt76_get_min_avg_rssi(struct mt76_dev *dev, bool ext_phy)
+int mt76_get_min_avg_rssi(struct mt76_dev *dev, u8 phy_idx)
 {
 	struct mt76_wcid *wcid;
 	int i, j, min_rssi = 0;
@@ -75,20 +75,16 @@ int mt76_get_min_avg_rssi(struct mt76_dev *dev, bool ext_phy)
 
 	for (i = 0; i < ARRAY_SIZE(dev->wcid_mask); i++) {
 		u32 mask = dev->wcid_mask[i];
-		u32 phy_mask = dev->wcid_phy_mask[i];
 
 		if (!mask)
 			continue;
 
-		for (j = i * 32; mask; j++, mask >>= 1, phy_mask >>= 1) {
+		for (j = i * 32; mask; j++, mask >>= 1) {
 			if (!(mask & 1))
 				continue;
 
-			if (!!(phy_mask & 1) != ext_phy)
-				continue;
-
 			wcid = rcu_dereference(dev->wcid[j]);
-			if (!wcid)
+			if (!wcid || wcid->phy_idx != phy_idx)
 				continue;
 
 			spin_lock(&dev->rx_lock);