Revert "iwlwifi: fix the reclaimed packet tracking upon flush queue"

commit ae023b2795d36f0f077e157428eb7eafa29ee412 upstream.

This reverts commit f590dcec944552f9a4a61155810f3abd17d6465d
which has been reported to cause issues.

See https://lkml.org/lkml/2013/1/20/4 for further details.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index aecf1cefc7d0ec013b433ffbbd8a8e188fc6ec06..b09adab9bd635aa55f85c3aaa8f6f0e8ded82468 100644 (file)
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -1154,6 +1154,13 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
                        next_reclaimed = ssn;
                }
 
+               if (tid != IWL_TID_NON_QOS) {
+                       priv->tid_data[sta_id][tid].next_reclaimed =
+                               next_reclaimed;
+                       IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n",
+                                                 next_reclaimed);
+               }
+
                iwl_trans_reclaim(priv->trans, txq_id, ssn, &skbs);
 
                iwlagn_check_ratid_empty(priv, sta_id, tid);
@@ -1204,28 +1211,11 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
                        if (!is_agg)
                                iwlagn_non_agg_tx_status(priv, ctx, hdr->addr1);
 
-                       /*
-                        * W/A for FW bug - the seq_ctl isn't updated when the
-                        * queues are flushed. Fetch it from the packet itself
-                        */
-                       if (!is_agg && status == TX_STATUS_FAIL_FIFO_FLUSHED) {
-                               next_reclaimed = le16_to_cpu(hdr->seq_ctrl);
-                               next_reclaimed =
-                                       SEQ_TO_SN(next_reclaimed + 0x10);
-                       }
-
                        is_offchannel_skb =
                                (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN);
                        freed++;
                }
 
-               if (tid != IWL_TID_NON_QOS) {
-                       priv->tid_data[sta_id][tid].next_reclaimed =
-                               next_reclaimed;
-                       IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n",
-                                          next_reclaimed);
-               }
-
                WARN_ON(!is_agg && freed != 1);
 
                /*