- /*
- * Since the peer is no longer listening, we have to return
- * as many SKBs as possible back to the mac80211 stack.
- * It will deal with the retry procedure, once the peer
- * has become available again.
- *
- * NB: Ideally, the driver should return the all frames in
- * the correct, ascending order. However, I think that this
- * functionality should be implemented in the stack and not
- * here...
- */
-
- __skb_queue_head_init(&free);
-
- if (sta->ht_cap.ht_supported) {
- rcu_read_lock();
- for (i = 0; i < CARL9170_NUM_TID; i++) {
- struct carl9170_sta_tid *tid_info;
-
- tid_info = rcu_dereference(sta_info->agg[i]);
-
- if (!tid_info)
- continue;
-
- spin_lock_bh(&ar->tx_ampdu_list_lock);
- if (tid_info->state >
- CARL9170_TID_STATE_SUSPEND)
- tid_info->state =
- CARL9170_TID_STATE_SUSPEND;
- spin_unlock_bh(&ar->tx_ampdu_list_lock);
-
- spin_lock_bh(&tid_info->lock);
- while ((skb = __skb_dequeue(&tid_info->queue)))
- __skb_queue_tail(&free, skb);
- spin_unlock_bh(&tid_info->lock);
- }
- rcu_read_unlock();
- }
-
- for (i = 0; i < ar->hw->queues; i++) {
- spin_lock_bh(&ar->tx_pending[i].lock);
- skb_queue_walk_safe(&ar->tx_pending[i], skb, tmp) {
- struct _carl9170_tx_superframe *super;
- struct ieee80211_hdr *hdr;
- struct ieee80211_tx_info *info;
-
- super = (void *) skb->data;
- hdr = (void *) super->frame_data;
-
- if (compare_ether_addr(hdr->addr1, sta->addr))
- continue;
-
- __skb_unlink(skb, &ar->tx_pending[i]);
-
- info = IEEE80211_SKB_CB(skb);
- if (info->flags & IEEE80211_TX_CTL_AMPDU)
- atomic_dec(&ar->tx_ampdu_upload);
-
- carl9170_tx_status(ar, skb, false);
- }
- spin_unlock_bh(&ar->tx_pending[i].lock);
- }
-
- while ((skb = __skb_dequeue(&free)))
- carl9170_tx_status(ar, skb, false);
-