openvswitch: introduce rtnl ops stub

This stub now allows userspace to see IFLA_INFO_KIND for ovs master and
IFLA_INFO_SLAVE_KIND for slave.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 16 insertions, 0 deletions

diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c
index 789af9280e77..295471a66c78 100644
--- a/net/openvswitch/vport-internal_dev.c
+++ b/net/openvswitch/vport-internal_dev.c
@@ -26,6 +26,7 @@
 
 #include <net/dst.h>
 #include <net/xfrm.h>
+#include <net/rtnetlink.h>
 
 #include "datapath.h"
 #include "vport-internal_dev.h"
@@ -121,6 +122,10 @@ static const struct net_device_ops internal_dev_netdev_ops = {
         .ndo_get_stats64 = internal_dev_get_stats,
 };
 
+static struct rtnl_link_ops internal_dev_link_ops __read_mostly = {
+        .kind = "openvswitch",
+};
+
 static void do_setup(struct net_device *netdev)
 {
         ether_setup(netdev);
@@ -131,6 +136,7 @@ static void do_setup(struct net_device *netdev)
         netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
         netdev->destructor = internal_dev_destructor;
         netdev->ethtool_ops = &internal_dev_ethtool_ops;
+        netdev->rtnl_link_ops = &internal_dev_link_ops;
         netdev->tx_queue_len = 0;
 
         netdev->features = NETIF_F_LLTX | NETIF_F_SG | NETIF_F_FRAGLIST |
@@ -248,3 +254,13 @@ struct vport *ovs_internal_dev_get_vport(struct net_device *netdev)
 
         return internal_dev_priv(netdev)->vport;
 }
+
+int ovs_internal_dev_rtnl_link_register(void)
+{
+        return rtnl_link_register(&internal_dev_link_ops);
+}
+
+void ovs_internal_dev_rtnl_link_unregister(void)
+{
+        rtnl_link_unregister(&internal_dev_link_ops);
+}