[NET_SCHED]: Set parent classid in default qdiscs
Set parent classids in default qdiscs to allow walking up the tree
from outside the qdiscs. This is needed by the next patch.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 6b38294..b37572d 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -174,7 +174,7 @@
extern void qdisc_destroy(struct Qdisc *qdisc);
extern struct Qdisc *qdisc_alloc(struct net_device *dev, struct Qdisc_ops *ops);
extern struct Qdisc *qdisc_create_dflt(struct net_device *dev,
- struct Qdisc_ops *ops);
+ struct Qdisc_ops *ops, u32 parentid);
static inline void
tcf_destroy(struct tcf_proto *tp)
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index dbf44da..edc7bb0 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -316,7 +316,7 @@
}
memset(flow,0,sizeof(*flow));
flow->filter_list = NULL;
- if (!(flow->q = qdisc_create_dflt(sch->dev,&pfifo_qdisc_ops)))
+ if (!(flow->q = qdisc_create_dflt(sch->dev,&pfifo_qdisc_ops,classid)))
flow->q = &noop_qdisc;
DPRINTK("atm_tc_change: qdisc %p\n",flow->q);
flow->sock = sock;
@@ -576,7 +576,8 @@
DPRINTK("atm_tc_init(sch %p,[qdisc %p],opt %p)\n",sch,p,opt);
p->flows = &p->link;
- if(!(p->link.q = qdisc_create_dflt(sch->dev,&pfifo_qdisc_ops)))
+ if(!(p->link.q = qdisc_create_dflt(sch->dev,&pfifo_qdisc_ops,
+ sch->handle)))
p->link.q = &noop_qdisc;
DPRINTK("atm_tc_init: link (%p) qdisc %p\n",&p->link,p->link.q);
p->link.filter_list = NULL;
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index bac881b..908b10d 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1429,7 +1429,8 @@
q->link.sibling = &q->link;
q->link.classid = sch->handle;
q->link.qdisc = sch;
- if (!(q->link.q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops)))
+ if (!(q->link.q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops,
+ sch->handle)))
q->link.q = &noop_qdisc;
q->link.priority = TC_CBQ_MAXPRIO-1;
@@ -1674,7 +1675,8 @@
if (cl) {
if (new == NULL) {
- if ((new = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops)) == NULL)
+ if ((new = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops,
+ cl->classid)) == NULL)
return -ENOBUFS;
} else {
#ifdef CONFIG_NET_CLS_POLICE
@@ -1932,7 +1934,7 @@
cl->R_tab = rtab;
rtab = NULL;
cl->refcnt = 1;
- if (!(cl->q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops)))
+ if (!(cl->q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops, classid)))
cl->q = &noop_qdisc;
cl->classid = classid;
cl->tparent = parent;
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 0b7c0e8..afedd92 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -88,7 +88,8 @@
sch, p, new, old);
if (new == NULL) {
- new = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops);
+ new = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops,
+ sch->handle);
if (new == NULL)
new = &noop_qdisc;
}
@@ -387,7 +388,7 @@
p->default_index = default_index;
p->set_tc_index = RTA_GET_FLAG(tb[TCA_DSMARK_SET_TC_INDEX-1]);
- p->q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops);
+ p->q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops, sch->handle);
if (p->q == NULL)
p->q = &noop_qdisc;
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 88c6a99..deafeb9 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -450,13 +450,15 @@
return ERR_PTR(-err);
}
-struct Qdisc * qdisc_create_dflt(struct net_device *dev, struct Qdisc_ops *ops)
+struct Qdisc * qdisc_create_dflt(struct net_device *dev, struct Qdisc_ops *ops,
+ unsigned int parentid)
{
struct Qdisc *sch;
sch = qdisc_alloc(dev, ops);
if (IS_ERR(sch))
goto errout;
+ sch->parent = parentid;
if (!ops->init || ops->init(sch, NULL) == 0)
return sch;
@@ -520,7 +522,8 @@
if (dev->qdisc_sleeping == &noop_qdisc) {
struct Qdisc *qdisc;
if (dev->tx_queue_len) {
- qdisc = qdisc_create_dflt(dev, &pfifo_fast_ops);
+ qdisc = qdisc_create_dflt(dev, &pfifo_fast_ops,
+ TC_H_ROOT);
if (qdisc == NULL) {
printk(KERN_INFO "%s: activation failed\n", dev->name);
return;
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 6a6735a..1142d29 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1138,7 +1138,7 @@
cl->classid = classid;
cl->sched = q;
cl->cl_parent = parent;
- cl->qdisc = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops);
+ cl->qdisc = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops, classid);
if (cl->qdisc == NULL)
cl->qdisc = &noop_qdisc;
cl->stats_lock = &sch->dev->queue_lock;
@@ -1271,7 +1271,8 @@
if (cl->level > 0)
return -EINVAL;
if (new == NULL) {
- new = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops);
+ new = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops,
+ cl->classid);
if (new == NULL)
new = &noop_qdisc;
}
@@ -1514,7 +1515,8 @@
q->root.refcnt = 1;
q->root.classid = sch->handle;
q->root.sched = q;
- q->root.qdisc = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops);
+ q->root.qdisc = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops,
+ sch->handle);
if (q->root.qdisc == NULL)
q->root.qdisc = &noop_qdisc;
q->root.stats_lock = &sch->dev->queue_lock;
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 08fa4d0..3b36e9d 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1223,8 +1223,9 @@
struct htb_class *cl = (struct htb_class *)arg;
if (cl && !cl->level) {
- if (new == NULL && (new = qdisc_create_dflt(sch->dev,
- &pfifo_qdisc_ops))
+ if (new == NULL &&
+ (new = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops,
+ cl->classid))
== NULL)
return -ENOBUFS;
sch_tree_lock(sch);
@@ -1415,7 +1416,7 @@
/* create leaf qdisc early because it uses kmalloc(GFP_KERNEL)
so that can't be used inside of sch_tree_lock
-- thanks to Karlis Peisenieks */
- new_q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops);
+ new_q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops, classid);
sch_tree_lock(sch);
if (parent && !parent->level) {
/* turn parent into inner node */
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 0441876..90aeeb7 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -574,7 +574,8 @@
q->timer.function = netem_watchdog;
q->timer.data = (unsigned long) sch;
- q->qdisc = qdisc_create_dflt(sch->dev, &tfifo_qdisc_ops);
+ q->qdisc = qdisc_create_dflt(sch->dev, &tfifo_qdisc_ops,
+ TC_H_MAKE(sch->handle, 1));
if (!q->qdisc) {
pr_debug("netem: qdisc create failed\n");
return -ENOMEM;
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index a5fa03c..3fc0c0f 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -230,7 +230,8 @@
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, &pfifo_qdisc_ops,
+ TC_H_MAKE(sch->handle, i + 1));
if (child) {
sch_tree_lock(sch);
child = xchg(&q->queues[i], child);
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index d65cadd..ee66c5c 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -175,12 +175,14 @@
qdisc_destroy(q->qdisc);
}
-static struct Qdisc *red_create_dflt(struct net_device *dev, u32 limit)
+static struct Qdisc *red_create_dflt(struct Qdisc *sch, u32 limit)
{
- struct Qdisc *q = qdisc_create_dflt(dev, &bfifo_qdisc_ops);
+ struct Qdisc *q;
struct rtattr *rta;
int ret;
+ q = qdisc_create_dflt(sch->dev, &bfifo_qdisc_ops,
+ TC_H_MAKE(sch->handle, 1));
if (q) {
rta = kmalloc(RTA_LENGTH(sizeof(struct tc_fifo_qopt)),
GFP_KERNEL);
@@ -219,7 +221,7 @@
ctl = RTA_DATA(tb[TCA_RED_PARMS-1]);
if (ctl->limit > 0) {
- child = red_create_dflt(sch->dev, ctl->limit);
+ child = red_create_dflt(sch, ctl->limit);
if (child == NULL)
return -ENOMEM;
}
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index d9a5d29..2562a60 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -273,12 +273,14 @@
del_timer(&q->wd_timer);
}
-static struct Qdisc *tbf_create_dflt_qdisc(struct net_device *dev, u32 limit)
+static struct Qdisc *tbf_create_dflt_qdisc(struct Qdisc *sch, u32 limit)
{
- struct Qdisc *q = qdisc_create_dflt(dev, &bfifo_qdisc_ops);
+ struct Qdisc *q;
struct rtattr *rta;
int ret;
+ q = qdisc_create_dflt(sch->dev, &bfifo_qdisc_ops,
+ TC_H_MAKE(sch->handle, 1));
if (q) {
rta = kmalloc(RTA_LENGTH(sizeof(struct tc_fifo_qopt)), GFP_KERNEL);
if (rta) {
@@ -341,7 +343,7 @@
goto done;
if (qopt->limit > 0) {
- if ((child = tbf_create_dflt_qdisc(sch->dev, qopt->limit)) == NULL)
+ if ((child = tbf_create_dflt_qdisc(sch, qopt->limit)) == NULL)
goto done;
}