ath10k: use per-vif wmm param setup if possible

New wmi-tlv firmware for qca6174 supports this.

This should fix issues related to multi-vif WMM.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath10k/mac.c

@@ -4129,12 +4129,24 @@ static int ath10k_conf_tx(struct ieee80211_hw *hw,
 	 */
 	p->txop = params->txop * 32;
 
-	/* FIXME: FW accepts wmm params per hw, not per vif */
+	if (ar->wmi.ops->gen_vdev_wmm_conf) {
+		ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id,
+					       &arvif->wmm_params);
+		if (ret) {
+			ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n",
+				    arvif->vdev_id, ret);
+			goto exit;
+		}
+	} else {
+		/* This won't work well with multi-interface cases but it's
+		 * better than nothing.
+		 */
 		ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
 		if (ret) {
 			ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
 			goto exit;
 		}
+	}
 
 	ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
 	if (ret)