mt76: mt7615: select the correct tx queue for frames sent to the second phy

Beacons and management frames need to explicitly select the alternate tx
queues in order to be sent out on the right phy
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7615/mac.c

@@ -382,6 +382,7 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
 	bool multicast = is_multicast_ether_addr(hdr->addr1);
 	struct ieee80211_vif *vif = info->control.vif;
 	struct mt76_phy *mphy = &dev->mphy;
+	bool ext_phy = info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY;
 	int tx_count = 8;
 	u8 fc_type, fc_stype, p_fmt, q_idx, omac_idx = 0, wmm_idx = 0;
 	__le16 fc = hdr->frame_control;
@@ -401,7 +402,7 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
 		tx_count = msta->rate_count;
 	}
 
-	if ((info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY) && dev->mt76.phy2)
+	if (ext_phy && dev->mt76.phy2)
 		mphy = dev->mt76.phy2;
 
 	fc_type = (le16_to_cpu(fc) & IEEE80211_FCTL_FTYPE) >> 2;
@@ -412,9 +413,15 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
 			skb_get_queue_mapping(skb);
 		p_fmt = MT_TX_TYPE_CT;
 	} else if (ieee80211_is_beacon(fc)) {
+		if (ext_phy)
+			q_idx = MT_LMAC_BCN1;
+		else
 			q_idx = MT_LMAC_BCN0;
 		p_fmt = MT_TX_TYPE_FW;
 	} else {
+		if (ext_phy)
+			q_idx = MT_LMAC_ALTX1;
+		else
 			q_idx = MT_LMAC_ALTX0;
 		p_fmt = MT_TX_TYPE_CT;
 	}

drivers/net/wireless/mediatek/mt76/mt7615/mac.h

@@ -126,6 +126,10 @@ enum tx_pkt_queue_idx {
 	MT_LMAC_BMC0,
 	MT_LMAC_BCN0,
 	MT_LMAC_PSMP0,
+	MT_LMAC_ALTX1,
+	MT_LMAC_BMC1,
+	MT_LMAC_BCN1,
+	MT_LMAC_PSMP1,
 };
 
 enum tx_port_idx {