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[PKT_SCHED] sch_prio: fix qdisc bands init 

Currently when PRIO is configured to use N bands, it lets the packets be
directed to any of the bands 0..N-1. However, PRIO attaches a fifo qdisc
only to the bands that appear in the priomap; the rest of the N bands
remain with a noop qdisc attached. This patch changes PRIO's behavior so
that it attaches a fifo qdisc to all of the N bands.

Signed-off-by: Amnon Aaronsohn <bla@cs.huji.ac.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amnon Aaronsohn 2006-01-17 02:24:26 -08:00 committed by David S. Miller
parent 9343e79a7b
commit dd914b4082
1 changed files with 3 additions and 4 deletions
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7
net/sched/sch_prio.c
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@ -228,14 +228,13 @@ static int prio_tune(struct Qdisc *sch, struct rtattr *opt)
}
sch_tree_unlock(sch);
for (i=0; i<=TC_PRIO_MAX; i++) {
int band = q->prio2band[i];
if (q->queues[band] == &noop_qdisc) {
for (i=0; i<q->bands; i++) {
if (q->queues[i] == &noop_qdisc) {
struct Qdisc *child;
child = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops);
if (child) {
sch_tree_lock(sch);
child = xchg(&q->queues[band], child);
child = xchg(&q->queues[i], child);
if (child != &noop_qdisc)
qdisc_destroy(child);