mac80211: BA session debug prints changes

This patch contains next issues:
1 - prevents "stop BA session" multiple warnings
2 - adds debug print to stop Rx BA session flow
3 - adds EOL in one debug print
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/ieee80211.c

@@ -700,11 +700,6 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
 	if (tid >= STA_TID_NUM)
 		return -EINVAL;
 
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "Stop a BA session requested for %s tid %u\n",
-				print_mac(mac, ra), tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
 	rcu_read_lock();
 	sta = sta_info_get(local, ra);
 	if (!sta) {
@@ -717,14 +712,15 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
 	spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
 
 	if (*state != HT_AGG_STATE_OPERATIONAL) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "Try to stop Tx aggregation on"
-				" non active TID\n");
-#endif /* CONFIG_MAC80211_HT_DEBUG */
 		ret = -ENOENT;
 		goto stop_BA_exit;
 	}
 
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	printk(KERN_DEBUG "Tx BA session stop requested for %s tid %u\n",
+				print_mac(mac, ra), tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+
 	ieee80211_stop_queue(hw, sta->tid_to_tx_q[tid]);
 
 	*state = HT_AGG_STATE_REQ_STOP_BA_MSK |
@@ -809,8 +805,10 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
 		return;
 	}
 
-	printk(KERN_DEBUG "Stop a BA session requested on DA %s tid %d\n",
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	printk(KERN_DEBUG "Stopping Tx BA session for %s tid %d\n",
 				print_mac(mac, ra), tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
 
 	rcu_read_lock();
 	sta = sta_info_get(local, ra);

net/mac80211/ieee80211_sta.c

@@ -1278,7 +1278,7 @@ static void ieee80211_sta_process_addba_request(struct net_device *dev,
 		ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_START,
 					       sta->addr, tid, &start_seq_num);
 #ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "Rx A-MPDU on tid %d result %d", tid, ret);
+	printk(KERN_DEBUG "Rx A-MPDU request on tid %d result %d\n", tid, ret);
 #endif /* CONFIG_MAC80211_HT_DEBUG */
 
 	if (ret) {
@@ -1433,6 +1433,7 @@ void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *ra, u16 tid,
 	struct ieee80211_hw *hw = &local->hw;
 	struct sta_info *sta;
 	int ret, i;
+	DECLARE_MAC_BUF(mac);
 
 	rcu_read_lock();
 
@@ -1453,12 +1454,17 @@ void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *ra, u16 tid,
 	sta->ampdu_mlme.tid_state_rx[tid] =
 		HT_AGG_STATE_REQ_STOP_BA_MSK |
 		(initiator << HT_AGG_STATE_INITIATOR_SHIFT);
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx);
+	spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx);
 
 	/* stop HW Rx aggregation. ampdu_action existence
 	 * already verified in session init so we add the BUG_ON */
 	BUG_ON(!local->ops->ampdu_action);
 
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	printk(KERN_DEBUG "Rx BA session stop requested for %s tid %u\n",
+				print_mac(mac, ra), tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+
 	ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_STOP,
 					ra, tid, NULL);
 	if (ret)