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netdev: Create netdev_queue abstraction.

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A netdev_queue is an entity managed by a qdisc.

Currently there is one RX and one TX queue, and a netdev_queue merely
contains a backpointer to the net_device.

The Qdisc struct is augmented with a netdev_queue pointer as well.

Eventually the 'dev' Qdisc member will go away and we will have the
resulting hierarchy:

	net_device --> netdev_queue --> Qdisc

Also, qdisc_alloc() and qdisc_create_dflt() now take a netdev_queue
pointer argument.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2008-07-08 16:55:56 -07:00
parent e65d22e180
commit bb949fbd18
14 changed files with 74 additions and 29 deletions
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3
net/sched/sch_prio.c
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@@ -281,7 +281,8 @@ static int prio_tune(struct Qdisc *sch, struct nlattr *opt)
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,
child = qdisc_create_dflt(sch->dev, sch->dev_queue,
&pfifo_qdisc_ops,
TC_H_MAKE(sch->handle, i + 1));
if (child) {
sch_tree_lock(sch);