staging: wfx: do not rely anymore on link_id to choose packet in queue

static struct sk_buff *wfx_tx_queue_get(struct wfx_dev *wdev,

					struct wfx_queue *queue,

					u32 link_id_map)

					bool mcast)

{

	struct wfx_queue_stats *stats = &wdev->tx_queue_stats;

	struct ieee80211_tx_info *tx_info;

	struct sk_buff *item, *skb = NULL;

	struct wfx_tx_priv *tx_priv;

	spin_lock_bh(&queue->queue.lock);

	skb_queue_walk(&queue->queue, item) {

		tx_priv = wfx_skb_tx_priv(item);

		if (link_id_map & BIT(tx_priv->link_id)) {

		tx_info = IEEE80211_SKB_CB(item);

		if (mcast == !!(tx_info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM)) {

			skb = item;

			break;

		}

			for (i = 0; i < IEEE80211_NUM_ACS; ++i) {

				skb = wfx_tx_queue_get(wvif->wdev,

						       &wdev->tx_queue[i],

						       BIT(WFX_LINK_ID_AFTER_DTIM));

						       true);

				if (skb) {

					hif = (struct hif_msg *)skb->data;

					// Cannot happen since only one vif can

		queue_num = queue - wdev->tx_queue;

		skb = wfx_tx_queue_get(wdev, queue, ~BIT(WFX_LINK_ID_AFTER_DTIM));

		skb = wfx_tx_queue_get(wdev, queue, false);

		if (!skb)

			continue;