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net-sched: consolidate default fifo qdisc setup

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Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy
2008-07-05 23:40:21 -07:00
committed by David S. Miller
parent aee18a8cf2
commit fb0305ce1b
5 changed files with 54 additions and 82 deletions
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33
net/sched/sch_red.c
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@@ -174,33 +174,6 @@ static void red_destroy(struct Qdisc *sch)
qdisc_destroy(q->qdisc);
}
static struct Qdisc *red_create_dflt(struct Qdisc *sch, u32 limit)
{
struct Qdisc *q;
struct nlattr *nla;
int ret;
q = qdisc_create_dflt(sch->dev, &bfifo_qdisc_ops,
TC_H_MAKE(sch->handle, 1));
if (q) {
nla = kmalloc(nla_attr_size(sizeof(struct tc_fifo_qopt)),
GFP_KERNEL);
if (nla) {
nla->nla_type = RTM_NEWQDISC;
nla->nla_len = nla_attr_size(sizeof(struct tc_fifo_qopt));
((struct tc_fifo_qopt *)nla_data(nla))->limit = limit;
ret = q->ops->change(q, nla);
kfree(nla);
if (ret == 0)
return q;
}
qdisc_destroy(q);
}
return NULL;
}
static const struct nla_policy red_policy[TCA_RED_MAX + 1] = {
[TCA_RED_PARMS] = { .len = sizeof(struct tc_red_qopt) },
[TCA_RED_STAB] = { .len = RED_STAB_SIZE },
@@ -228,9 +201,9 @@ static int red_change(struct Qdisc *sch, struct nlattr *opt)
ctl = nla_data(tb[TCA_RED_PARMS]);
if (ctl->limit > 0) {
child = red_create_dflt(sch, ctl->limit);
if (child == NULL)
return -ENOMEM;
child = fifo_create_dflt(sch, &bfifo_qdisc_ops, ctl->limit);
if (IS_ERR(child))
return PTR_ERR(child);
}
sch_tree_lock(sch);