mwifiex: cleanup TX/RX BA tables for uAP

[deliverable/linux.git] / drivers / net / wireless / mwifiex / 11n_rxreorder.c

diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.c b/drivers/net/wireless/mwifiex/11n_rxreorder.c
index e43d27dc06bfd6485793fcf56e19e2ecc029fc2a..24e2582b467cd309f16b45a3b89d341eb959cd44 100644 (file)
--- a/drivers/net/wireless/mwifiex/11n_rxreorder.c
+++ b/drivers/net/wireless/mwifiex/11n_rxreorder.c
@@ -176,6 +176,31 @@ mwifiex_11n_get_rx_reorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta)
        return NULL;
 }
 
+/* This function retrieves the pointer to an entry in Rx reordering
+ * table which matches the given TA and deletes it.
+ */
+void mwifiex_11n_del_rx_reorder_tbl_by_ta(struct mwifiex_private *priv, u8 *ta)
+{
+       struct mwifiex_rx_reorder_tbl *tbl, *tmp;
+       unsigned long flags;
+
+       if (!ta)
+               return;
+
+       spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags);
+       list_for_each_entry_safe(tbl, tmp, &priv->rx_reorder_tbl_ptr, list) {
+               if (!memcmp(tbl->ta, ta, ETH_ALEN)) {
+                       spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock,
+                                              flags);
+                       mwifiex_del_rx_reorder_entry(priv, tbl);
+                       spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags);
+               }
+       }
+       spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags);
+
+       return;
+}
+
 /*
  * This function finds the last sequence number used in the packets
  * buffered in Rx reordering table.