mac80211: A-MPDU Rx MLME data initialization

This patch initialize A-MPDU MLME data for Rx sessions.

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, 14 insertions, 0 deletions

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 60ca0780405..1257c7aab2a 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -136,6 +136,7 @@ struct sta_info * sta_info_add(struct ieee80211_local *local,
                                struct net_device *dev, u8 *addr, gfp_t gfp)
 {
         struct sta_info *sta;
+        int i;
         DECLARE_MAC_BUF(mac);
 
         sta = kzalloc(sizeof(*sta), gfp);
@@ -155,6 +156,19 @@ struct sta_info * sta_info_add(struct ieee80211_local *local,
         memcpy(sta->addr, addr, ETH_ALEN);
         sta->local = local;
         sta->dev = dev;
+        spin_lock_init(&sta->ampdu_mlme.ampdu_rx);
+        for (i = 0; i < STA_TID_NUM; i++) {
+                /* timer_to_tid must be initialized with identity mapping to
+                 * enable session_timer's data differentiation. refer to
+                 * sta_rx_agg_session_timer_expired for useage */
+                sta->timer_to_tid[i] = i;
+                /* rx timers */
+                sta->ampdu_mlme.tid_rx[i].session_timer.function =
+                        sta_rx_agg_session_timer_expired;
+                sta->ampdu_mlme.tid_rx[i].session_timer.data =
+                        (unsigned long)&sta->timer_to_tid[i];
+                init_timer(&sta->ampdu_mlme.tid_rx[i].session_timer);
+        }
         skb_queue_head_init(&sta->ps_tx_buf);
         skb_queue_head_init(&sta->tx_filtered);
         __sta_info_get(sta);    /* sta used by caller, decremented by