[NET]: Make pfifo_fast actually report statistics.

net/sched/sch_generic.c

@@ -7,7 +7,7 @@
  *		2 of the License, or (at your option) any later version.
  *
  * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
- *              Jamal Hadi Salim, <hadi@nortelnetworks.com> 990601
+ *              Jamal Hadi Salim, <hadi@cyberus.ca> 990601
  *              - Ingress support
  */
 
@@ -278,6 +278,8 @@ pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc* qdisc)
 	if (list->qlen <= qdisc->dev->tx_queue_len) {
 		__skb_queue_tail(list, skb);
 		qdisc->q.qlen++;
+		qdisc->stats.bytes += skb->len;
+		qdisc->stats.packets++;
 		return 0;
 	}
 	qdisc->stats.drops++;
@@ -326,6 +328,21 @@ pfifo_fast_reset(struct Qdisc* qdisc)
 	qdisc->q.qlen = 0;
 }
 
+static int pfifo_fast_dump(struct Qdisc *qdisc, struct sk_buff *skb)
+{
+	unsigned char	 *b = skb->tail;
+	struct tc_prio_qopt opt;
+
+	opt.bands = 3; 
+	memcpy(&opt.priomap, prio2band, TC_PRIO_MAX+1);
+	RTA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt);
+	return skb->len;
+
+rtattr_failure:
+	skb_trim(skb, b - skb->data);
+	return -1;
+}
+
 static int pfifo_fast_init(struct Qdisc *qdisc, struct rtattr *opt)
 {
 	int i;
@@ -349,6 +366,7 @@ static struct Qdisc_ops pfifo_fast_ops = {
 	.requeue	=	pfifo_fast_requeue,
 	.init		=	pfifo_fast_init,
 	.reset		=	pfifo_fast_reset,
+	.dump		=	pfifo_fast_dump,
 	.owner		=	THIS_MODULE,
 };
 
@@ -438,6 +456,12 @@ void dev_activate(struct net_device *dev)
 				printk(KERN_INFO "%s: activation failed\n", dev->name);
 				return;
 			}
+
+			write_lock(&qdisc_tree_lock);
+			qdisc->next = dev->qdisc_list;
+			dev->qdisc_list = qdisc;
+			write_unlock(&qdisc_tree_lock);
+
 		} else {
 			qdisc =  &noqueue_qdisc;
 		}