#include <linux/ieee80211.h>
#include <net/mac80211.h>
#include "ieee80211_i.h"
+#include "driver-ops.h"
-void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid,
- u16 initiator, u16 reason)
+void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
+ u16 initiator, u16 reason)
{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_hw *hw = &local->hw;
- struct sta_info *sta;
- int ret, i;
-
- rcu_read_lock();
-
- sta = sta_info_get(local, ra);
- if (!sta) {
- rcu_read_unlock();
- return;
- }
+ struct ieee80211_local *local = sta->local;
+ 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) {
+ if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_OPERATIONAL) {
spin_unlock_bh(&sta->lock);
- rcu_read_unlock();
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);
- /* stop HW Rx aggregation. ampdu_action existence
- * already verified in session init so we add the BUG_ON */
- BUG_ON(!local->ops->ampdu_action);
-
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Rx BA session stop requested for %pM tid %u\n",
- ra, tid);
+ sta->sta.addr, tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
- ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_STOP,
- &sta->sta, tid, NULL);
- if (ret)
+ if (drv_ampdu_action(local, &sta->sdata->vif,
+ IEEE80211_AMPDU_RX_STOP,
+ &sta->sta, tid, NULL))
printk(KERN_DEBUG "HW problem - can not stop rx "
"aggregation for tid %d\n", tid);
/* check if this is a self generated aggregation halt */
if (initiator == WLAN_BACK_RECIPIENT || initiator == WLAN_BACK_TIMER)
- ieee80211_send_delba(sdata, ra, tid, 0, reason);
+ 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++) {
sta->ampdu_mlme.tid_rx[tid]->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]);
- sta->ampdu_mlme.tid_rx[tid] = NULL;
+ 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;
+ }
+
sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_IDLE;
+ spin_unlock_bh(&sta->lock);
+}
+
+void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid,
+ u16 initiator, u16 reason)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta;
+
+ /* stop HW Rx aggregation. ampdu_action existence
+ * already verified in session init so we add the BUG_ON */
+ BUG_ON(!local->ops->ampdu_action);
+
+ rcu_read_lock();
+
+ sta = sta_info_get(local, ra);
+ if (!sta) {
+ rcu_read_unlock();
+ return;
+ }
+
+ __ieee80211_stop_rx_ba_session(sta, tid, initiator, reason);
rcu_read_unlock();
}
u8 dialog_token, u16 status, u16 policy,
u16 buf_size, u16 timeout)
{
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
memset(mgmt, 0, 24);
memcpy(mgmt->da, da, ETH_ALEN);
memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
- if (sdata->vif.type == NL80211_IFTYPE_AP)
+ if (sdata->vif.type == NL80211_IFTYPE_AP ||
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
memcpy(mgmt->bssid, sdata->dev->dev_addr, ETH_ALEN);
- else
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
+
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
mgmt->u.action.u.addba_resp.timeout = cpu_to_le16(timeout);
mgmt->u.action.u.addba_resp.status = cpu_to_le16(status);
- ieee80211_tx_skb(sdata, skb, 1);
+ ieee80211_tx_skb(sdata, skb);
}
void ieee80211_process_addba_request(struct ieee80211_local *local,
status = WLAN_STATUS_REQUEST_DECLINED;
+ if (test_sta_flags(sta, WLAN_STA_SUSPEND)) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+ printk(KERN_DEBUG "Suspend in progress. "
+ "Denying ADDBA request\n");
+#endif
+ goto end_no_lock;
+ }
+
/* sanity check for incoming parameters:
* check if configuration can support the BA policy
* and if buffer size does not exceeds max value */
/* prepare reordering buffer */
tid_agg_rx->reorder_buf =
kcalloc(buf_size, sizeof(struct sk_buff *), GFP_ATOMIC);
- if (!tid_agg_rx->reorder_buf) {
+ tid_agg_rx->reorder_time =
+ kcalloc(buf_size, sizeof(unsigned long), GFP_ATOMIC);
+ if (!tid_agg_rx->reorder_buf || !tid_agg_rx->reorder_time) {
#ifdef CONFIG_MAC80211_HT_DEBUG
if (net_ratelimit())
printk(KERN_ERR "can not allocate reordering buffer "
"to tid %d\n", tid);
#endif
+ kfree(tid_agg_rx->reorder_buf);
+ kfree(tid_agg_rx->reorder_time);
kfree(sta->ampdu_mlme.tid_rx[tid]);
+ sta->ampdu_mlme.tid_rx[tid] = NULL;
goto end;
}
- if (local->ops->ampdu_action)
- ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_START,
- &sta->sta, tid, &start_seq_num);
+ ret = drv_ampdu_action(local, &sta->sdata->vif,
+ IEEE80211_AMPDU_RX_START,
+ &sta->sta, tid, &start_seq_num);
#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 */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff