int 
qdisc_restart(struct net_device *dev)
{
	struct Qdisc *q = dev->qdisc;
	unsigned lockless = (dev->features & NETIF_F_LLTX);
	struct sk_buff *skb = NULL;
	int ret;

	ret = try_get_tx_pkt(&skb, dev, q);
	if (ret == 0)
		return qqlen(q);

	/* we have a packet to send */
	if (!lockless) {
		if (!netif_tx_trylock(dev))
			return handle_tx_locked(skb, dev, q);
	}
		
	/* all clear .. */
	spin_unlock(&dev->queue_lock);

	/* churn baby churn .. */
	ret = dev_hard_start_xmit(skb, dev);

	if (!lockless)  
		netif_tx_unlock(dev);

	spin_lock(&dev->queue_lock);

	q = dev->qdisc;
	/* most likely result, packet went ok */
	if (ret == NETDEV_TX_OK)
		return qqlen(q);
	/* only for lockless drivers .. */
	if (ret == NETDEV_TX_LOCKED && lockless) {
		return handle_tx_locked(skb, dev, q);
	}

	if (unlikely (ret != NETDEV_TX_BUSY)) { 
		/* XXX: Do we need a ratelimit? or put a 
		 * BUG_ON((int) ret != NETDEV_TX_BUSY) ?
		 **/
		printk("BUG %s code %d qlen %d\n",dev->name, ret, q->q.qlen);
	}

	return handle_dev_requeue(skb, dev, q);
}