These pernet_operations register and unregister
net::ipv4.iptable_filter table. Since there are
no packets in-flight at the time of exit method
is working, iptables rules should not be touched.
Also, pernet_operations should not send ipv4
packets each other. So, it's safe to mark them
async.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
static struct pernet_operations iptable_filter_net_ops = {
.init = iptable_filter_net_init,
.exit = iptable_filter_net_exit,
+ .async = true,
};
static int __init iptable_filter_init(void)