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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_tbf.c
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@ -242,34 +242,6 @@ static void tbf_reset(struct Qdisc* sch)
qdisc_watchdog_cancel(&q->watchdog);
}
static struct Qdisc *tbf_create_dflt_qdisc(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 tbf_policy[TCA_TBF_MAX + 1] = {
[TCA_TBF_PARMS] = { .len = sizeof(struct tc_tbf_qopt) },
[TCA_TBF_RTAB] = { .type = NLA_BINARY, .len = TC_RTAB_SIZE },
@ -322,8 +294,11 @@ static int tbf_change(struct Qdisc* sch, struct nlattr *opt)
goto done;
if (qopt->limit > 0) {
if ((child = tbf_create_dflt_qdisc(sch, qopt->limit)) == NULL)
child = fifo_create_dflt(sch, &bfifo_qdisc_ops, qopt->limit);
if (IS_ERR(child)) {
err = PTR_ERR(child);
goto done;
}
}
sch_tree_lock(sch);