net: Delete isa-skeleton net driver

[pandora-kernel.git] / drivers / net / wireless / iwlwifi / iwl-tx.c

diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index d8c11f9..10701b8 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -118,6 +118,20 @@ void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq)
 EXPORT_SYMBOL(iwl_txq_update_write_ptr);
 
 
+void iwl_free_tfds_in_queue(struct iwl_priv *priv,
+                           int sta_id, int tid, int freed)
+{
+       if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed)
+               priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
+       else {
+               IWL_ERR(priv, "free more than tfds_in_queue (%u:%d)\n",
+                       priv->stations[sta_id].tid[tid].tfds_in_queue,
+                       freed);
+               priv->stations[sta_id].tid[tid].tfds_in_queue = 0;
+       }
+}
+EXPORT_SYMBOL(iwl_free_tfds_in_queue);
+
 /**
  * iwl_tx_queue_free - Deallocate DMA queue.
  * @txq: Transmit queue to deallocate.
@@ -1127,6 +1141,7 @@ int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index)
        struct iwl_queue *q = &txq->q;
        struct iwl_tx_info *tx_info;
        int nfreed = 0;
+       struct ieee80211_hdr *hdr;
 
        if ((index >= q->n_bd) || (iwl_queue_used(q, index) == 0)) {
                IWL_ERR(priv, "Read index for DMA queue txq id (%d), index %d, "
@@ -1141,13 +1156,16 @@ int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index)
 
                tx_info = &txq->txb[txq->q.read_ptr];
                iwl_tx_status(priv, tx_info->skb[0]);
+
+               hdr = (struct ieee80211_hdr *)tx_info->skb[0]->data;
+               if (hdr && ieee80211_is_data_qos(hdr->frame_control))
+                       nfreed++;
                tx_info->skb[0] = NULL;
 
                if (priv->cfg->ops->lib->txq_inval_byte_cnt_tbl)
                        priv->cfg->ops->lib->txq_inval_byte_cnt_tbl(priv, txq);
 
                priv->cfg->ops->lib->txq_free_tfd(priv, txq);
-               nfreed++;
        }
        return nfreed;
 }
@@ -1238,6 +1256,8 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 
        if (!(meta->flags & CMD_ASYNC)) {
                clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
+               IWL_DEBUG_INFO(priv, "Clearing HCMD_ACTIVE for command %s \n",
+                              get_cmd_string(cmd->hdr.cmd));
                wake_up_interruptible(&priv->wait_command_queue);
        }
 }
@@ -1559,7 +1579,7 @@ void iwl_rx_reply_compressed_ba(struct iwl_priv *priv,
        if (txq->q.read_ptr != (ba_resp_scd_ssn & 0xff)) {
                /* calculate mac80211 ampdu sw queue to wake */
                int freed = iwl_tx_queue_reclaim(priv, scd_flow, index);
-               priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
+               iwl_free_tfds_in_queue(priv, sta_id, tid, freed);
 
                if ((iwl_queue_space(&txq->q) > txq->q.low_mark) &&
                    priv->mac80211_registered &&