mt76: mt7915: use ieee80211_tx_queue_params to avoid open coded

This is easy to add MU EDCA parameters in the future. This patch
also fixes a wrong cw_min assignment.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -355,11 +355,7 @@ mt7915_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
 
 	/* no need to update right away, we'll get BSS_CHANGED_QOS */
 	queue = mt7915_lmac_mapping(dev, queue);
-
-	mvif->wmm[queue].cw_min = params->cw_min;
-	mvif->wmm[queue].cw_max = params->cw_max;
-	mvif->wmm[queue].aifs = params->aifs;
-	mvif->wmm[queue].txop = params->txop;
+	mvif->queue_params[queue] = *params;
 
 	return 0;
 }

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

@@ -2888,23 +2888,23 @@ int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif)
 	int ac;
 
 	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+		struct ieee80211_tx_queue_params *q = &mvif->queue_params[ac];
 		struct edca *e = &req.edca[ac];
 
 		e->queue = ac + mvif->wmm_idx * MT7915_MAX_WMM_SETS;
-		e->aifs = mvif->wmm[ac].aifs;
-		e->txop = cpu_to_le16(mvif->wmm[ac].txop);
+		e->aifs = q->aifs;
+		e->txop = cpu_to_le16(q->txop);
 
-		if (mvif->wmm[ac].cw_min)
-			e->cw_min = fls(mvif->wmm[ac].cw_max);
+		if (q->cw_min)
+			e->cw_min = fls(q->cw_min);
 		else
 			e->cw_min = 5;
 
-		if (mvif->wmm[ac].cw_max)
-			e->cw_max = cpu_to_le16(fls(mvif->wmm[ac].cw_max));
+		if (q->cw_max)
+			e->cw_max = cpu_to_le16(fls(q->cw_max));
 		else
 			e->cw_max = cpu_to_le16(10);
 	}
-
 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE,
 				  &req, sizeof(req), true);
 }

drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h

@@ -99,15 +99,10 @@ struct mt7915_vif {
 	u8 band_idx;
 	u8 wmm_idx;
 
-	struct {
-		u16 cw_min;
-		u16 cw_max;
-		u16 txop;
-		u8 aifs;
-	} wmm[IEEE80211_NUM_ACS];
-
 	struct mt7915_sta sta;
 	struct mt7915_dev *dev;
+
+	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 };
 
 struct mib_stats {