entry->status = WFX_LINK_RESERVE;
ether_addr_copy(entry->mac, mac);
- memset(&entry->buffered, 0, WFX_MAX_TID);
wfx_tx_lock(wvif->wdev);
if (!schedule_work(&wvif->link_id_work))
struct ieee80211_sta *sta)
{
u32 mask = ~BIT(tx_priv->raw_link_id);
+ struct wfx_sta_priv *sta_priv;
spin_lock_bh(&wvif->ps_state_lock);
if (ieee80211_is_auth(hdr->frame_control)) {
schedule_work(&wvif->mcast_start_work);
}
- if (tx_priv->raw_link_id) {
+ if (tx_priv->raw_link_id)
wvif->link_id_db[tx_priv->raw_link_id - 1].timestamp = jiffies;
- if (tx_priv->tid < WFX_MAX_TID)
- wvif->link_id_db[tx_priv->raw_link_id - 1].buffered[tx_priv->tid]++;
- }
spin_unlock_bh(&wvif->ps_state_lock);
- if (sta)
+ if (sta && tx_priv->tid < WFX_MAX_TID) {
+ sta_priv = (struct wfx_sta_priv *)&sta->drv_priv;
+ spin_lock_bh(&sta_priv->lock);
+ sta_priv->buffered[tx_priv->tid]++;
ieee80211_sta_set_buffered(sta, tx_priv->tid, true);
+ spin_unlock_bh(&sta_priv->lock);
+ }
}
static u8 wfx_tx_get_raw_link_id(struct wfx_vif *wvif,
wfx_pending_remove(wvif->wdev, skb);
}
-static void wfx_notify_buffered_tx(struct wfx_vif *wvif, struct sk_buff *skb,
- struct hif_req_tx *req)
+static void wfx_notify_buffered_tx(struct wfx_vif *wvif, struct sk_buff *skb)
{
- struct ieee80211_sta *sta;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_sta *sta;
+ struct wfx_sta_priv *sta_priv;
int tid = wfx_tx_get_tid(hdr);
- int raw_link_id = req->queue_id.peer_sta_id;
- u8 *buffered;
-
- if (raw_link_id && tid < WFX_MAX_TID) {
- buffered = wvif->link_id_db[raw_link_id - 1].buffered;
-
- spin_lock_bh(&wvif->ps_state_lock);
- WARN(!buffered[tid], "inconsistent notification");
- buffered[tid]--;
- spin_unlock_bh(&wvif->ps_state_lock);
-
- if (!buffered[tid]) {
- rcu_read_lock();
- sta = ieee80211_find_sta(wvif->vif, hdr->addr1);
- if (sta)
- ieee80211_sta_set_buffered(sta, tid, false);
- rcu_read_unlock();
- }
+
+ rcu_read_lock(); // protect sta
+ sta = ieee80211_find_sta(wvif->vif, hdr->addr1);
+ if (sta && tid < WFX_MAX_TID) {
+ sta_priv = (struct wfx_sta_priv *)&sta->drv_priv;
+ spin_lock_bh(&sta_priv->lock);
+ WARN(!sta_priv->buffered[tid], "inconsistent notification");
+ sta_priv->buffered[tid]--;
+ if (!sta_priv->buffered[tid])
+ ieee80211_sta_set_buffered(sta, tid, false);
+ spin_unlock_bh(&sta_priv->lock);
}
+ rcu_read_unlock();
}
void wfx_skb_dtor(struct wfx_dev *wdev, struct sk_buff *skb)
WARN_ON(!wvif);
skb_pull(skb, offset);
- wfx_notify_buffered_tx(wvif, skb, req);
+ wfx_notify_buffered_tx(wvif, skb);
wfx_tx_policy_put(wvif, req->tx_flags.retry_policy_index);
ieee80211_tx_status_irqsafe(wdev->hw, skb);
}