ipv4: factorize cache clearing for batched unregister operations
Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 816e218..6c1e56a 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -895,11 +895,11 @@
net->ipv4.fibnl = NULL;
}
-static void fib_disable_ip(struct net_device *dev, int force)
+static void fib_disable_ip(struct net_device *dev, int force, int delay)
{
if (fib_sync_down_dev(dev, force))
fib_flush(dev_net(dev));
- rt_cache_flush(dev_net(dev), 0);
+ rt_cache_flush(dev_net(dev), delay);
arp_ifdown(dev);
}
@@ -922,7 +922,7 @@
/* Last address was deleted from this interface.
Disable IP.
*/
- fib_disable_ip(dev, 1);
+ fib_disable_ip(dev, 1, 0);
} else {
rt_cache_flush(dev_net(dev), -1);
}
@@ -937,7 +937,7 @@
struct in_device *in_dev = __in_dev_get_rtnl(dev);
if (event == NETDEV_UNREGISTER) {
- fib_disable_ip(dev, 2);
+ fib_disable_ip(dev, 2, -1);
return NOTIFY_DONE;
}
@@ -955,10 +955,11 @@
rt_cache_flush(dev_net(dev), -1);
break;
case NETDEV_DOWN:
- fib_disable_ip(dev, 0);
+ fib_disable_ip(dev, 0, 0);
break;
case NETDEV_CHANGEMTU:
case NETDEV_CHANGE:
+ case NETDEV_UNREGISTER_PERNET:
rt_cache_flush(dev_net(dev), 0);
break;
}