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Diffstat (limited to 'net/sched/sch_api.c')
-rw-r--r--net/sched/sch_api.c44
1 files changed, 29 insertions, 15 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 408eea7086aa..b22ca2d1cebc 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -240,7 +240,10 @@ struct Qdisc *qdisc_lookup(struct net_device *dev, u32 handle)
if (q)
goto out;
- q = qdisc_match_from_root(dev->rx_queue.qdisc_sleeping, handle);
+ if (dev_ingress_queue(dev))
+ q = qdisc_match_from_root(
+ dev_ingress_queue(dev)->qdisc_sleeping,
+ handle);
out:
return q;
}
@@ -360,7 +363,7 @@ static struct qdisc_size_table *qdisc_get_stab(struct nlattr *opt)
tsize = nla_len(tb[TCA_STAB_DATA]) / sizeof(u16);
}
- if (!s || tsize != s->tsize || (!tab && tsize > 0))
+ if (tsize != s->tsize || (!tab && tsize > 0))
return ERR_PTR(-EINVAL);
spin_lock(&qdisc_stab_lock);
@@ -690,6 +693,8 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
(new && new->flags & TCQ_F_INGRESS)) {
num_q = 1;
ingress = 1;
+ if (!dev_ingress_queue(dev))
+ return -ENOENT;
}
if (dev->flags & IFF_UP)
@@ -701,7 +706,7 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
}
for (i = 0; i < num_q; i++) {
- struct netdev_queue *dev_queue = &dev->rx_queue;
+ struct netdev_queue *dev_queue = dev_ingress_queue(dev);
if (!ingress)
dev_queue = netdev_get_tx_queue(dev, i);
@@ -979,7 +984,8 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
return -ENOENT;
q = qdisc_leaf(p, clid);
} else { /* ingress */
- q = dev->rx_queue.qdisc_sleeping;
+ if (dev_ingress_queue(dev))
+ q = dev_ingress_queue(dev)->qdisc_sleeping;
}
} else {
q = dev->qdisc;
@@ -1043,8 +1049,9 @@ replay:
if ((p = qdisc_lookup(dev, TC_H_MAJ(clid))) == NULL)
return -ENOENT;
q = qdisc_leaf(p, clid);
- } else { /*ingress */
- q = dev->rx_queue.qdisc_sleeping;
+ } else { /* ingress */
+ if (dev_ingress_queue_create(dev))
+ q = dev_ingress_queue(dev)->qdisc_sleeping;
}
} else {
q = dev->qdisc;
@@ -1123,11 +1130,14 @@ replay:
create_n_graft:
if (!(n->nlmsg_flags&NLM_F_CREATE))
return -ENOENT;
- if (clid == TC_H_INGRESS)
- q = qdisc_create(dev, &dev->rx_queue, p,
- tcm->tcm_parent, tcm->tcm_parent,
- tca, &err);
- else {
+ if (clid == TC_H_INGRESS) {
+ if (dev_ingress_queue(dev))
+ q = qdisc_create(dev, dev_ingress_queue(dev), p,
+ tcm->tcm_parent, tcm->tcm_parent,
+ tca, &err);
+ else
+ err = -ENOENT;
+ } else {
struct netdev_queue *dev_queue;
if (p && p->ops->cl_ops && p->ops->cl_ops->select_queue)
@@ -1304,8 +1314,10 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
if (tc_dump_qdisc_root(dev->qdisc, skb, cb, &q_idx, s_q_idx) < 0)
goto done;
- dev_queue = &dev->rx_queue;
- if (tc_dump_qdisc_root(dev_queue->qdisc_sleeping, skb, cb, &q_idx, s_q_idx) < 0)
+ dev_queue = dev_ingress_queue(dev);
+ if (dev_queue &&
+ tc_dump_qdisc_root(dev_queue->qdisc_sleeping, skb, cb,
+ &q_idx, s_q_idx) < 0)
goto done;
cont:
@@ -1595,8 +1607,10 @@ static int tc_dump_tclass(struct sk_buff *skb, struct netlink_callback *cb)
if (tc_dump_tclass_root(dev->qdisc, skb, tcm, cb, &t, s_t) < 0)
goto done;
- dev_queue = &dev->rx_queue;
- if (tc_dump_tclass_root(dev_queue->qdisc_sleeping, skb, tcm, cb, &t, s_t) < 0)
+ dev_queue = dev_ingress_queue(dev);
+ if (dev_queue &&
+ tc_dump_tclass_root(dev_queue->qdisc_sleeping, skb, tcm, cb,
+ &t, s_t) < 0)
goto done;
done: