mt76: mt7915: setup drr group for peers

This is a prerequisite for MU functionality.
Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

@@ -2353,6 +2353,32 @@ int mt7915_mcu_add_he(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 				     MCU_EXT_CMD(STA_REC_UPDATE), true);
 }
 
+static int
+mt7915_mcu_add_group(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+		     struct ieee80211_sta *sta)
+{
+#define MT_STA_BSS_GROUP		1
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+	struct {
+		__le32 action;
+		u8 wlan_idx_lo;
+		u8 status;
+		u8 wlan_idx_hi;
+		u8 rsv0[5];
+		__le32 val;
+		u8 rsv1[8];
+	} __packed req = {
+		.action = cpu_to_le32(MT_STA_BSS_GROUP),
+		.wlan_idx_lo = to_wcid_lo(msta->wcid.idx),
+		.wlan_idx_hi = to_wcid_hi(msta->wcid.idx),
+		.val = cpu_to_le32(mvif->idx % 16),
+	};
+
+	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(SET_DRR_CTRL), &req,
+				 sizeof(req), true);
+}
+
 int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 			   struct ieee80211_sta *sta, bool enable)
 {
@@ -2362,6 +2388,10 @@ int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 		return 0;
 
 	/* must keep the order */
+	ret = mt7915_mcu_add_group(dev, vif, sta);
+	if (ret)
+		return ret;
+
 	ret = mt7915_mcu_add_txbf(dev, vif, sta, enable);
 	if (ret)
 		return ret;