diff options
| -rw-r--r-- | drivers/staging/cw1200/txrx.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/staging/cw1200/txrx.c b/drivers/staging/cw1200/txrx.c index a87743b453a..8531994d3da 100644 --- a/drivers/staging/cw1200/txrx.c +++ b/drivers/staging/cw1200/txrx.c @@ -595,7 +595,20 @@ void cw1200_tx_confirm_cb(struct cw1200_common *priv, .multicast = !arg->link_id, }; cw1200_suspend_resume(priv, &suspend); - WARN_ON(cw1200_queue_requeue(queue, arg->packetID)); + if (suspend.multicast) { + /* HACK!!! WSM324 firmware has tendency to requeue + * multicast frames in a loop, causing performance + * drop and high power consumption of the driver. + * In this situation it is better just to drop + * the problematic frame. */ + wiphy_warn(priv->hw->wiphy, "Attempt to requeue a " + "multicat frame. Frame is dropped\n"); + WARN_ON(cw1200_queue_remove(queue, priv, + arg->packetID)); + } else { + WARN_ON(cw1200_queue_requeue(queue, + arg->packetID)); + } } else if (!WARN_ON(cw1200_queue_get_skb( queue, arg->packetID, &skb))) { struct ieee80211_tx_info *tx = IEEE80211_SKB_CB(skb); |