summaryrefslogtreecommitdiffstats
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.c48
1 files changed, 21 insertions, 27 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 7d87f446f03..53233ab50f6 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -22,19 +22,20 @@ void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
u16 initiator, u16 reason)
{
struct ieee80211_local *local = sta->local;
+ struct tid_ampdu_rx *tid_rx;
int i;
- /* check if TID is in operational state */
spin_lock_bh(&sta->lock);
- if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_OPERATIONAL) {
+
+ /* check if TID is in operational state */
+ if (!sta->ampdu_mlme.tid_active_rx[tid]) {
spin_unlock_bh(&sta->lock);
return;
}
- sta->ampdu_mlme.tid_state_rx[tid] =
- HT_AGG_STATE_REQ_STOP_BA_MSK |
- (initiator << HT_AGG_STATE_INITIATOR_SHIFT);
- spin_unlock_bh(&sta->lock);
+ sta->ampdu_mlme.tid_active_rx[tid] = false;
+
+ tid_rx = sta->ampdu_mlme.tid_rx[tid];
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Rx BA session stop requested for %pM tid %u\n",
@@ -46,37 +47,30 @@ void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
printk(KERN_DEBUG "HW problem - can not stop rx "
"aggregation for tid %d\n", tid);
- /* shutdown timer has not expired */
- if (initiator != WLAN_BACK_TIMER)
- del_timer_sync(&sta->ampdu_mlme.tid_rx[tid]->session_timer);
-
/* check if this is a self generated aggregation halt */
- if (initiator == WLAN_BACK_RECIPIENT || initiator == WLAN_BACK_TIMER)
+ if (initiator == WLAN_BACK_RECIPIENT)
ieee80211_send_delba(sta->sdata, sta->sta.addr,
tid, 0, reason);
/* free the reordering buffer */
- for (i = 0; i < sta->ampdu_mlme.tid_rx[tid]->buf_size; i++) {
- if (sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i]) {
+ for (i = 0; i < tid_rx->buf_size; i++) {
+ if (tid_rx->reorder_buf[i]) {
/* release the reordered frames */
- dev_kfree_skb(sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i]);
- sta->ampdu_mlme.tid_rx[tid]->stored_mpdu_num--;
- sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i] = NULL;
+ dev_kfree_skb(tid_rx->reorder_buf[i]);
+ tid_rx->stored_mpdu_num--;
+ tid_rx->reorder_buf[i] = NULL;
}
}
- spin_lock_bh(&sta->lock);
/* free resources */
- kfree(sta->ampdu_mlme.tid_rx[tid]->reorder_buf);
- kfree(sta->ampdu_mlme.tid_rx[tid]->reorder_time);
-
- if (!sta->ampdu_mlme.tid_rx[tid]->shutdown) {
- kfree(sta->ampdu_mlme.tid_rx[tid]);
- sta->ampdu_mlme.tid_rx[tid] = NULL;
- }
+ kfree(tid_rx->reorder_buf);
+ kfree(tid_rx->reorder_time);
+ sta->ampdu_mlme.tid_rx[tid] = NULL;
- sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_IDLE;
spin_unlock_bh(&sta->lock);
+
+ del_timer_sync(&tid_rx->session_timer);
+ kfree(tid_rx);
}
/*
@@ -211,7 +205,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
/* examine state machine */
spin_lock_bh(&sta->lock);
- if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_IDLE) {
+ if (sta->ampdu_mlme.tid_active_rx[tid]) {
#ifdef CONFIG_MAC80211_HT_DEBUG
if (net_ratelimit())
printk(KERN_DEBUG "unexpected AddBA Req from "
@@ -273,7 +267,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
}
/* change state and send addba resp */
- sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_OPERATIONAL;
+ sta->ampdu_mlme.tid_active_rx[tid] = true;
tid_agg_rx->dialog_token = dialog_token;
tid_agg_rx->ssn = start_seq_num;
tid_agg_rx->head_seq_num = start_seq_num;