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Diffstat (limited to 'net/mac80211/agg-tx.c')
-rw-r--r--net/mac80211/agg-tx.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 76be6174..9628a18 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -417,6 +417,18 @@ static void sta_tx_agg_session_timer_expired(unsigned long data)
u8 *timer_to_id = ptid - *ptid;
struct sta_info *sta = container_of(timer_to_id, struct sta_info,
timer_to_tid[0]);
+ struct tid_ampdu_tx *tid_tx;
+ unsigned long timeout;
+
+ tid_tx = rcu_dereference_protected_tid_tx(sta, *ptid);
+ if (!tid_tx)
+ return;
+
+ timeout = tid_tx->last_tx + TU_TO_JIFFIES(tid_tx->timeout);
+ if (time_is_after_jiffies(timeout)) {
+ mod_timer(&tid_tx->session_timer, timeout);
+ return;
+ }
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "tx session timer expired on tid %d\n", (u16)*ptid);
@@ -542,7 +554,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
/* tx timer */
tid_tx->session_timer.function = sta_tx_agg_session_timer_expired;
tid_tx->session_timer.data = (unsigned long)&sta->timer_to_tid[tid];
- init_timer(&tid_tx->session_timer);
+ init_timer_deferrable(&tid_tx->session_timer);
/* assign a dialog token */
sta->ampdu_mlme.dialog_token_allocator++;
@@ -884,9 +896,11 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
sta->ampdu_mlme.addba_req_num[tid] = 0;
- if (tid_tx->timeout)
+ if (tid_tx->timeout) {
mod_timer(&tid_tx->session_timer,
TU_TO_EXP_TIME(tid_tx->timeout));
+ tid_tx->last_tx = jiffies;
+ }
} else {
___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR,