diff options
| -rw-r--r-- | drivers/net/wireless/libertas/dev.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/libertas/main.c | 25 | ||||
| -rw-r--r-- | drivers/net/wireless/libertas/tx.c | 9 |
3 files changed, 25 insertions, 10 deletions
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h index 5cb29235fee..eaa45d4bb9d 100644 --- a/drivers/net/wireless/libertas/dev.h +++ b/drivers/net/wireless/libertas/dev.h @@ -285,7 +285,6 @@ struct lbs_adapter { /** Tx-related variables (for single packet tx) */ struct sk_buff *currenttxskb; - u16 TxLockFlag; /** NIC Operation characteristics */ u16 currentpacketfilter; diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c index d03a2f8710f..7155f481816 100644 --- a/drivers/net/wireless/libertas/main.c +++ b/drivers/net/wireless/libertas/main.c @@ -290,8 +290,14 @@ static ssize_t lbs_rtap_set(struct device *dev, return strlen(buf); adapter->monitormode = LBS_MONITOR_OFF; lbs_remove_rtap(priv); - netif_wake_queue(priv->dev); - netif_wake_queue(priv->mesh_dev); + + if (adapter->currenttxskb) { + dev_kfree_skb_any(adapter->currenttxskb); + adapter->currenttxskb = NULL; + } + + /* Wake queues, command thread, etc. */ + lbs_host_to_card_done(priv); } lbs_prepare_and_send_command(priv, @@ -521,7 +527,15 @@ static int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) lbs_deb_enter(LBS_DEB_TX); - if (priv->dnld_sent || priv->adapter->TxLockFlag) { + /* We could return NETDEV_TX_BUSY here, but I'd actually + like to get the point where we can BUG() */ + if (priv->dnld_sent) { + lbs_pr_err("%s while dnld_sent\n", __func__); + priv->stats.tx_dropped++; + goto done; + } + if (priv->adapter->currenttxskb) { + lbs_pr_err("%s while TX skb pending\n", __func__); priv->stats.tx_dropped++; goto done; } @@ -624,6 +638,11 @@ void lbs_host_to_card_done(struct lbs_private *priv) if (!adapter->cur_cmd) wake_up_interruptible(&priv->waitq); + /* Don't wake netif queues if we're in monitor mode and + a TX packet is already pending. */ + if (priv->adapter->currenttxskb) + return; + if (priv->dev && adapter->connect_status == LBS_CONNECTED) netif_wake_queue(priv->dev); diff --git a/drivers/net/wireless/libertas/tx.c b/drivers/net/wireless/libertas/tx.c index b423ce1ff42..131ef3fe033 100644 --- a/drivers/net/wireless/libertas/tx.c +++ b/drivers/net/wireless/libertas/tx.c @@ -152,11 +152,11 @@ done: netif_stop_queue(priv->dev); if (priv->mesh_dev) netif_stop_queue(priv->mesh_dev); - /* freeze any packets already in our queues */ - priv->adapter->TxLockFlag = 1; + + /* Keep the skb around for when we get feedback */ + priv->adapter->currenttxskb = skb; } else { dev_kfree_skb_any(skb); - priv->adapter->currenttxskb = NULL; } lbs_deb_leave_args(LBS_DEB_TX, "ret %d", ret); @@ -227,8 +227,6 @@ int lbs_process_tx(struct lbs_private *priv, struct sk_buff *skb) return ret; } - priv->adapter->currenttxskb = skb; - ret = SendSinglePacket(priv, skb); done: lbs_deb_leave_args(LBS_DEB_TX, "ret %d", ret); @@ -272,7 +270,6 @@ void lbs_send_tx_feedback(struct lbs_private *priv) (1 + adapter->txretrycount - try_count) : 0; lbs_upload_rx_packet(priv, adapter->currenttxskb); adapter->currenttxskb = NULL; - priv->adapter->TxLockFlag = 0; if (adapter->connect_status == LBS_CONNECTED) netif_wake_queue(priv->dev); |