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| author | Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> | 2007-07-30 17:13:45 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-07-31 02:28:20 -0700 |
| commit | 0773192b0f8914222cd27e682c49f978a6c7860a (patch) | |
| tree | 0703cbc095825c3839422347c91fa0de03d5e180 /net/sched/sch_prio.c | |
| parent | ffc8fefaf289fa485bc5c33e71572e6ce559d569 (diff) | |
| download | linux-0773192b0f8914222cd27e682c49f978a6c7860a.tar.gz linux-0773192b0f8914222cd27e682c49f978a6c7860a.tar.bz2 linux-0773192b0f8914222cd27e682c49f978a6c7860a.zip | |
[NET]: Fix prio_tune() handling of root qdisc.
Fix the check in prio_tune() to see if sch->parent is TC_H_ROOT instead of
sch->handle to load or reject the qdisc for multiqueue devices.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_prio.c')
| -rw-r--r-- | net/sched/sch_prio.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index 71bafde353a6..4a49db65772e 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -238,11 +238,13 @@ static int prio_tune(struct Qdisc *sch, struct rtattr *opt) /* If we're multiqueue, make sure the number of incoming bands * matches the number of queues on the device we're associating with. * If the number of bands requested is zero, then set q->bands to - * dev->egress_subqueue_count. + * dev->egress_subqueue_count. Also, the root qdisc must be the + * only one that is enabled for multiqueue, since it's the only one + * that interacts with the underlying device. */ q->mq = RTA_GET_FLAG(tb[TCA_PRIO_MQ - 1]); if (q->mq) { - if (sch->handle != TC_H_ROOT) + if (sch->parent != TC_H_ROOT) return -EINVAL; if (netif_is_multiqueue(sch->dev)) { if (q->bands == 0) |