aboutsummaryrefslogtreecommitdiff
path: root/net/mac80211/agg-rx.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211/agg-rx.c')
-rw-r--r--net/mac80211/agg-rx.c75
1 files changed, 42 insertions, 33 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 1068f668ac4..31bf2586fb8 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -49,6 +49,8 @@ static void ieee80211_free_tid_rx(struct rcu_head *h)
container_of(h, struct tid_ampdu_rx, rcu_head);
int i;
+ del_timer_sync(&tid_rx->reorder_timer);
+
for (i = 0; i < tid_rx->buf_size; i++)
dev_kfree_skb(tid_rx->reorder_buf[i]);
kfree(tid_rx->reorder_buf);
@@ -72,18 +74,17 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
RCU_INIT_POINTER(sta->ampdu_mlme.tid_rx[tid], NULL);
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG
+ ht_dbg(sta->sdata,
"Rx BA session stop requested for %pM tid %u %s reason: %d\n",
sta->sta.addr, tid,
initiator == WLAN_BACK_RECIPIENT ? "recipient" : "inititator",
(int)reason);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
if (drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_STOP,
&sta->sta, tid, NULL, 0))
- printk(KERN_DEBUG "HW problem - can not stop rx "
- "aggregation for tid %d\n", tid);
+ sdata_info(sta->sdata,
+ "HW problem - can not stop rx aggregation for %pM tid %d\n",
+ sta->sta.addr, tid);
/* check if this is a self generated aggregation halt */
if (initiator == WLAN_BACK_RECIPIENT && tx)
@@ -91,7 +92,6 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
tid, WLAN_BACK_RECIPIENT, reason);
del_timer_sync(&tid_rx->session_timer);
- del_timer_sync(&tid_rx->reorder_timer);
call_rcu(&tid_rx->rcu_head, ieee80211_free_tid_rx);
}
@@ -118,7 +118,7 @@ void ieee80211_stop_rx_ba_session(struct ieee80211_vif *vif, u16 ba_rx_bitmap,
return;
}
- for (i = 0; i < STA_TID_NUM; i++)
+ for (i = 0; i < IEEE80211_NUM_TIDS; i++)
if (ba_rx_bitmap & BIT(i))
set_bit(i, sta->ampdu_mlme.tid_rx_stop_requested);
@@ -141,10 +141,27 @@ static void sta_rx_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_rx *tid_rx;
+ unsigned long timeout;
+
+ rcu_read_lock();
+ tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[*ptid]);
+ if (!tid_rx) {
+ rcu_read_unlock();
+ return;
+ }
+
+ timeout = tid_rx->last_rx + TU_TO_JIFFIES(tid_rx->timeout);
+ if (time_is_after_jiffies(timeout)) {
+ mod_timer(&tid_rx->session_timer, timeout);
+ rcu_read_unlock();
+ return;
+ }
+ rcu_read_unlock();
+
+ ht_dbg(sta->sdata, "RX session timer expired on %pM tid %d\n",
+ sta->sta.addr, (u16)*ptid);
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid);
-#endif
set_bit(*ptid, sta->ampdu_mlme.tid_rx_timer_expired);
ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work);
}
@@ -231,10 +248,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
status = WLAN_STATUS_REQUEST_DECLINED;
if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Suspend in progress. "
- "Denying ADDBA request\n");
-#endif
+ ht_dbg(sta->sdata,
+ "Suspend in progress - Denying ADDBA request (%pM tid %d)\n",
+ sta->sta.addr, tid);
goto end_no_lock;
}
@@ -246,13 +262,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
(!(sta->sta.ht_cap.cap & IEEE80211_HT_CAP_DELAY_BA))) ||
(buf_size > IEEE80211_MAX_AMPDU_BUF)) {
status = WLAN_STATUS_INVALID_QOS_PARAM;
-#ifdef CONFIG_MAC80211_HT_DEBUG
- if (net_ratelimit())
- printk(KERN_DEBUG "AddBA Req with bad params from "
- "%pM on tid %u. policy %d, buffer size %d\n",
- mgmt->sa, tid, ba_policy,
- buf_size);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
+ ht_dbg_ratelimited(sta->sdata,
+ "AddBA Req with bad params from %pM on tid %u. policy %d, buffer size %d\n",
+ mgmt->sa, tid, ba_policy, buf_size);
goto end_no_lock;
}
/* determine default buffer size */
@@ -267,12 +279,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
mutex_lock(&sta->ampdu_mlme.mtx);
if (sta->ampdu_mlme.tid_rx[tid]) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- if (net_ratelimit())
- printk(KERN_DEBUG "unexpected AddBA Req from "
- "%pM on tid %u\n",
- mgmt->sa, tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
+ ht_dbg_ratelimited(sta->sdata,
+ "unexpected AddBA Req from %pM on tid %u\n",
+ mgmt->sa, tid);
/* delete existing Rx BA session on the same tid */
___ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
@@ -290,7 +299,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
/* rx timer */
tid_agg_rx->session_timer.function = sta_rx_agg_session_timer_expired;
tid_agg_rx->session_timer.data = (unsigned long)&sta->timer_to_tid[tid];
- init_timer(&tid_agg_rx->session_timer);
+ init_timer_deferrable(&tid_agg_rx->session_timer);
/* rx reorder timer */
tid_agg_rx->reorder_timer.function = sta_rx_agg_reorder_timer_expired;
@@ -311,10 +320,8 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
ret = drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_START,
&sta->sta, tid, &start_seq_num, 0);
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Rx A-MPDU request on tid %d result %d\n", tid, ret);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
+ ht_dbg(sta->sdata, "Rx A-MPDU request on %pM tid %d result %d\n",
+ sta->sta.addr, tid, ret);
if (ret) {
kfree(tid_agg_rx->reorder_buf);
kfree(tid_agg_rx->reorder_time);
@@ -334,8 +341,10 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
/* activate it for RX */
rcu_assign_pointer(sta->ampdu_mlme.tid_rx[tid], tid_agg_rx);
- if (timeout)
+ if (timeout) {
mod_timer(&tid_agg_rx->session_timer, TU_TO_EXP_TIME(timeout));
+ tid_agg_rx->last_rx = jiffies;
+ }
end:
mutex_unlock(&sta->ampdu_mlme.mtx);