macvlan: advertise link netns via netlink

Assign rtnl_link_ops->get_link_net() callback so that IFLA_LINK_NETNSID is
added to rtnetlink messages.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 612e0731142d..1df38bdae2ee 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1471,11 +1471,17 @@ int macvlan_link_register(struct rtnl_link_ops *ops)
 };
 EXPORT_SYMBOL_GPL(macvlan_link_register);
 
+static struct net *macvlan_get_link_net(const struct net_device *dev)
+{
+        return dev_net(macvlan_dev_real_dev(dev));
+}
+
 static struct rtnl_link_ops macvlan_link_ops = {
         .kind           = "macvlan",
         .setup          = macvlan_setup,
         .newlink        = macvlan_newlink,
         .dellink        = macvlan_dellink,
+        .get_link_net   = macvlan_get_link_net,
 };
 
 static int macvlan_device_event(struct notifier_block *unused,