+static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
+ struct tid_ampdu_rx *tid_agg_rx,
+ struct sk_buff_head *frames)
+{
+ int index;
+
+ /* release the buffer until next missing frame */
+ index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
+ tid_agg_rx->buf_size;
+ if (!tid_agg_rx->reorder_buf[index] &&
+ tid_agg_rx->stored_mpdu_num > 1) {
+ /*
+ * No buffers ready to be released, but check whether any
+ * frames in the reorder buffer have timed out.
+ */
+ int j;
+ int skipped = 1;
+ for (j = (index + 1) % tid_agg_rx->buf_size; j != index;
+ j = (j + 1) % tid_agg_rx->buf_size) {
+ if (!tid_agg_rx->reorder_buf[j]) {
+ skipped++;
+ continue;
+ }
+ if (!time_after(jiffies, tid_agg_rx->reorder_time[j] +
+ HT_RX_REORDER_BUF_TIMEOUT))
+ break;
+
+#ifdef CONFIG_MAC80211_HT_DEBUG
+ if (net_ratelimit())
+ printk(KERN_DEBUG "%s: release an RX reorder "
+ "frame due to timeout on earlier "
+ "frames\n",
+ wiphy_name(hw->wiphy));
+#endif
+ ieee80211_release_reorder_frame(hw, tid_agg_rx,
+ j, frames);
+
+ /*
+ * Increment the head seq# also for the skipped slots.
+ */
+ tid_agg_rx->head_seq_num =
+ (tid_agg_rx->head_seq_num + skipped) & SEQ_MASK;
+ skipped = 0;
+ }
+ } else while (tid_agg_rx->reorder_buf[index]) {
+ ieee80211_release_reorder_frame(hw, tid_agg_rx, index, frames);
+ index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
+ tid_agg_rx->buf_size;
+ }
+}
+