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authorPhil Sutter <phil@nwl.cc>2015-08-13 19:01:07 +0200
committerDavid S. Miller <davem@davemloft.net>2015-08-17 11:50:18 -0700
commit4b469955685d58c2f8198bf817fc661600b7e3d0 (patch)
tree96e2ab31bce5b78eee48db5658a1a3105ea4519a
parentfa8187c96471c49419c25d4ec3299d17d3f274b2 (diff)
downloadop-kernel-dev-4b469955685d58c2f8198bf817fc661600b7e3d0.zip
op-kernel-dev-4b469955685d58c2f8198bf817fc661600b7e3d0.tar.gz
net: sch_generic: react upon IFF_NO_QUEUE flag
Handle IFF_NO_QUEUE as alternative to tx_queue_len being zero. Signed-off-by: Phil Sutter <phil@nwl.cc> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/sched/sch_generic.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 6efca30..942fea8 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -735,7 +735,7 @@ static void attach_one_default_qdisc(struct net_device *dev,
{
struct Qdisc *qdisc = &noqueue_qdisc;
- if (dev->tx_queue_len) {
+ if (dev->tx_queue_len && !(dev->priv_flags & IFF_NO_QUEUE)) {
qdisc = qdisc_create_dflt(dev_queue,
default_qdisc_ops, TC_H_ROOT);
if (!qdisc) {
@@ -755,7 +755,9 @@ static void attach_default_qdiscs(struct net_device *dev)
txq = netdev_get_tx_queue(dev, 0);
- if (!netif_is_multiqueue(dev) || dev->tx_queue_len == 0) {
+ if (!netif_is_multiqueue(dev) ||
+ dev->tx_queue_len == 0 ||
+ dev->priv_flags & IFF_NO_QUEUE) {
netdev_for_each_tx_queue(dev, attach_one_default_qdisc, NULL);
dev->qdisc = txq->qdisc_sleeping;
atomic_inc(&dev->qdisc->refcnt);
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