return 0;
}
-/* If successful, LOCKS the TX queue! */
static int __wfx_flush(struct wfx_dev *wdev, bool drop)
{
- int ret;
-
for (;;) {
- if (drop) {
+ if (drop)
wfx_tx_queues_clear(wdev);
- } else {
- ret = wait_event_timeout(
- wdev->tx_queue_stats.wait_link_id_empty,
- wfx_tx_queues_is_empty(wdev),
- 2 * HZ);
- }
-
- if (!drop && ret <= 0) {
- ret = -ETIMEDOUT;
- break;
- }
- ret = 0;
-
- wfx_tx_lock_flush(wdev);
- if (!wfx_tx_queues_is_empty(wdev)) {
- /* Highly unlikely: WSM requeued frames. */
- wfx_tx_unlock(wdev);
- continue;
- }
- break;
+ if (wait_event_timeout(wdev->tx_queue_stats.wait_link_id_empty,
+ wfx_tx_queues_is_empty(wdev),
+ 2 * HZ) <= 0)
+ return -ETIMEDOUT;
+ wfx_tx_flush(wdev);
+ if (wfx_tx_queues_is_empty(wdev))
+ return 0;
+ dev_warn(wdev->dev, "frames queued while flushing tx queues");
}
- return ret;
}
void wfx_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u32 queues, bool drop)
{
- struct wfx_dev *wdev = hw->priv;
struct wfx_vif *wvif;
if (vif) {
!wvif->enable_beacon)
drop = true;
}
-
// FIXME: only flush requested vif
- if (!__wfx_flush(wdev, drop))
- wfx_tx_unlock(wdev);
+ __wfx_flush(hw->priv, drop);
}
/* WSM callbacks */
skb = ieee80211_beacon_get_tim(wvif->wdev->hw, wvif->vif,
&tim_offset, &tim_length);
if (!skb) {
- if (!__wfx_flush(wvif->wdev, true))
- wfx_tx_unlock(wvif->wdev);
+ __wfx_flush(wvif->wdev, true);
return -ENOENT;
}
tim_ptr = skb->data + tim_offset;