rtl8187: Increase receive queue depth

[net-next-2.6.git] / drivers / net / wireless / rtl818x / rtl8187_dev.c

diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c
index 00ce3ef39abe6e496de43fa10edaf3e3dd97858a..db7318d1d401147192f0f638f646fb3e3056e1f5 100644 (file)
--- a/drivers/net/wireless/rtl818x/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c
@@ -213,7 +213,7 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
        urb = usb_alloc_urb(0, GFP_ATOMIC);
        if (!urb) {
                kfree_skb(skb);
-               return -ENOMEM;
+               return NETDEV_TX_OK;
        }
 
        flags = skb->len;
@@ -273,6 +273,7 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
 
        usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, ep),
                          buf, skb->len, rtl8187_tx_cb, skb);
+       urb->transfer_flags |= URB_ZERO_PACKET;
        usb_anchor_urb(urb, &priv->anchored);
        rc = usb_submit_urb(urb, GFP_ATOMIC);
        if (rc < 0) {
@@ -281,7 +282,7 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
        }
        usb_free_urb(urb);
 
-       return rc;
+       return NETDEV_TX_OK;
 }
 
 static void rtl8187_rx_cb(struct urb *urb)
@@ -390,7 +391,7 @@ static int rtl8187_init_urbs(struct ieee80211_hw *dev)
        struct rtl8187_rx_info *info;
        int ret = 0;
 
-       while (skb_queue_len(&priv->rx_queue) < 8) {
+       while (skb_queue_len(&priv->rx_queue) < 16) {
                skb = __dev_alloc_skb(RTL8187_MAX_RX, GFP_KERNEL);
                if (!skb) {
                        ret = -ENOMEM;
@@ -973,19 +974,21 @@ static int rtl8187_add_interface(struct ieee80211_hw *dev,
 {
        struct rtl8187_priv *priv = dev->priv;
        int i;
+       int ret = -EOPNOTSUPP;
 
+       mutex_lock(&priv->conf_mutex);
        if (priv->mode != NL80211_IFTYPE_MONITOR)
-               return -EOPNOTSUPP;
+               goto exit;
 
        switch (conf->type) {
        case NL80211_IFTYPE_STATION:
                priv->mode = conf->type;
                break;
        default:
-               return -EOPNOTSUPP;
+               goto exit;
        }
 
-       mutex_lock(&priv->conf_mutex);
+       ret = 0;
        priv->vif = conf->vif;
 
        rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
@@ -994,8 +997,9 @@ static int rtl8187_add_interface(struct ieee80211_hw *dev,
                                 ((u8 *)conf->mac_addr)[i]);
        rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
 
+exit:
        mutex_unlock(&priv->conf_mutex);
-       return 0;
+       return ret;
 }
 
 static void rtl8187_remove_interface(struct ieee80211_hw *dev,
@@ -1471,6 +1475,7 @@ static void __devexit rtl8187_disconnect(struct usb_interface *intf)
        ieee80211_unregister_hw(dev);
 
        priv = dev->priv;
+       usb_reset_device(priv->udev);
        usb_put_dev(interface_to_usbdev(intf));
        ieee80211_free_hw(dev);
 }