1 files changed, 16 insertions, 0 deletions

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 0d066c965342..99ceb91f0150 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -238,6 +238,20 @@ static void dev_watchdog_down(struct net_device *dev)
         spin_unlock_bh(&dev->xmit_lock);
 }
 
+void netif_carrier_on(struct net_device *dev)
+{
+        if (test_and_clear_bit(__LINK_STATE_NOCARRIER, &dev->state))
+                linkwatch_fire_event(dev);
+        if (netif_running(dev))
+                __netdev_watchdog_up(dev);
+}
+
+void netif_carrier_off(struct net_device *dev)
+{
+        if (!test_and_set_bit(__LINK_STATE_NOCARRIER, &dev->state))
+                linkwatch_fire_event(dev);
+}
+
 /* "NOOP" scheduler: the best scheduler, recommended for all interfaces
    under all circumstances. It is difficult to invent anything faster or
    cheaper.
@@ -600,6 +614,8 @@ void dev_shutdown(struct net_device *dev)
 }
 
 EXPORT_SYMBOL(__netdev_watchdog_up);
+EXPORT_SYMBOL(netif_carrier_on);
+EXPORT_SYMBOL(netif_carrier_off);
 EXPORT_SYMBOL(noop_qdisc);
 EXPORT_SYMBOL(noop_qdisc_ops);
 EXPORT_SYMBOL(qdisc_create_dflt);