I have a UNIPROCESSOR machine running linux-2.4. In the following lines of code
in dev.c, under which scenarios would the dequeue function called in qdisc_run, find more
than one skb in the qdisc's queue.
/******************************* dev.c *****************************/
/* Grab device queue */
spin_lock_bh(&dev->queue_lock);
q = dev->qdisc;
if (q->enqueue) {
int ret = q->enqueue(skb, q);qdisc_run(dev);
spin_unlock_bh(&dev->queue_lock);
return ret == NET_XMIT_BYPASS ? NET_XMIT_SUCCESS : ret;
}/******************************* dev.c *****************************/
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