net_sched: use macvlan real dev trans_start in dev_trans_start()

Macvlan devices are similar to vlans and do not update their
own trans_start. In order for arp monitoring to work for a bond device
when the slaves are macvlans, obtain its real device.

Signed-off-by: Chris Dion <christopher.dion@dell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 3839cbb..cd1b200 100644 (file)
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -26,6 +26,7 @@
 #include <linux/list.h>
 #include <linux/slab.h>
 #include <linux/if_vlan.h>
+#include <linux/if_macvlan.h>
 #include <net/sch_generic.h>
 #include <net/pkt_sched.h>
 #include <net/dst.h>
@@ -277,6 +278,8 @@ unsigned long dev_trans_start(struct net_device *dev)
 
        if (is_vlan_dev(dev))
                dev = vlan_dev_real_dev(dev);
+       else if (netif_is_macvlan(dev))
+               dev = macvlan_dev_real_dev(dev);
        res = netdev_get_tx_queue(dev, 0)->trans_start;
        for (i = 1; i < dev->num_tx_queues; i++) {
                val = netdev_get_tx_queue(dev, i)->trans_start;