> Another question:I am studying sch_htb.c,but it's so tough for to understand,especially htb_dequeue().Would anyone please supply some adivse?
>
>
Hmm, well I will set you a problem. I have been looking at sch_htb.c as
well, but I don't understand the marked line below (won't it mean that
we double count the stats for this packet?):
static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch)
{
struct htb_sched *q = (struct htb_sched *)sch->data;
struct htb_class *cl = htb_classify(skb,sch);
if (cl == HTB_DIRECT || !cl) {
/* enqueue to helper queue */
if (q->direct_queue.qlen < q->direct_qlen && cl) {
__skb_queue_tail(&q->direct_queue, skb);
q->direct_pkts++;
} else {
kfree_skb (skb);
sch->stats.drops++;
return NET_XMIT_DROP;
}
} else if (cl->un.leaf.q->enqueue(skb, cl->un.leaf.q) != NET_XMIT_SUCCESS) {
sch->stats.drops++;
cl->stats.drops++;
return NET_XMIT_DROP;
} else {
->> cl->stats.packets++; cl->stats.bytes += skb->len;
htb_activate (q,cl);
}
sch->q.qlen++;
sch->stats.packets++; sch->stats.bytes += skb->len;
HTB_DBG(1,1,"htb_enq_ok cl=%X skb=%p\n",(cl && cl !=
HTB_DIRECT)?cl->classid:0,skb);
return NET_XMIT_SUCCESS;
}
_______________________________________________
LARTC mailing list / LARTC@xxxxxxxxxxxxxxx
http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
