mac80211: A-MPDU Rx adding basic functionality

This patch adds the basic needed abilities and functions for A-MPDU Rx session
changed functions:
 - ieee80211_sta_process_addba_request - Rx A-MPDU initialization enabled
 - ieee80211_stop - stops all A-MPDU Rx in case interface goes down
added functions:
 - ieee80211_send_delba - used for sending out Del BA in A-MPDU sessions
 - ieee80211_sta_stop_rx_BA_session - stopping Rx A-MPDU session
 - sta_rx_agg_session_timer_expired - stops A-MPDU Rx use if load is too
low

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 0 deletions

diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 9c14e3d303c5..2011c726f2b1 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -292,9 +292,18 @@ static int ieee80211_stop(struct net_device *dev)
         struct ieee80211_sub_if_data *sdata;
         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
         struct ieee80211_if_init_conf conf;
+        struct sta_info *sta;
+        int i;
 
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
+        list_for_each_entry(sta, &local->sta_list, list) {
+                for (i = 0; i <  STA_TID_NUM; i++)
+                        ieee80211_sta_stop_rx_ba_session(sta->dev, sta->addr,
+                                                i, WLAN_BACK_RECIPIENT,
+                                                WLAN_REASON_QSTA_LEAVE_QBSS);
+        }
+
         netif_stop_queue(dev);
 
         /*