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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>
This commit is contained in:
Octavian Purdila 2009-11-16 13:49:49 +00:00 committed by David S. Miller
parent 395264d509
commit e2ce146848
1 changed files with 6 additions and 5 deletions
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11
net/ipv4/fib_frontend.c
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@ -895,11 +895,11 @@ static void nl_fib_lookup_exit(struct net *net)
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 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
/* 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 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
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 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
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;
}