From: Jiri Pirko <j...@mellanox.com>

Add this helper so code can easily figure out if netdev is openswitch.

Signed-off-by: Jiri Pirko <j...@mellanox.com>
---
v1->v2:
- fixed typo in comment pointed out by Florian
---
 include/linux/netdevice.h            | 8 ++++++++
 net/openvswitch/vport-internal_dev.c | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index be625f4..6656a43 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1264,6 +1264,7 @@ struct net_device_ops {
  * @IFF_MACVLAN: Macvlan device
  * @IFF_VRF_MASTER: device is a VRF master
  * @IFF_NO_QUEUE: device can run without qdisc attached
+ * @IFF_OPENVSWITCH: device is a Open vSwitch master
  */
 enum netdev_priv_flags {
        IFF_802_1Q_VLAN                 = 1<<0,
@@ -1293,6 +1294,7 @@ enum netdev_priv_flags {
        IFF_IPVLAN_SLAVE                = 1<<24,
        IFF_VRF_MASTER                  = 1<<25,
        IFF_NO_QUEUE                    = 1<<26,
+       IFF_OPENVSWITCH                 = 1<<27,
 };
 
 #define IFF_802_1Q_VLAN                        IFF_802_1Q_VLAN
@@ -1322,6 +1324,7 @@ enum netdev_priv_flags {
 #define IFF_IPVLAN_SLAVE               IFF_IPVLAN_SLAVE
 #define IFF_VRF_MASTER                 IFF_VRF_MASTER
 #define IFF_NO_QUEUE                   IFF_NO_QUEUE
+#define IFF_OPENVSWITCH                        IFF_OPENVSWITCH
 
 /**
  *     struct net_device - The DEVICE structure.
@@ -3853,6 +3856,11 @@ static inline bool netif_is_bridge_master(const struct 
net_device *dev)
        return dev->priv_flags & IFF_EBRIDGE;
 }
 
+static inline bool netif_is_ovs_master(const struct net_device *dev)
+{
+       return dev->priv_flags & IFF_OPENVSWITCH;
+}
+
 static inline bool netif_index_is_vrf(struct net *net, int ifindex)
 {
        bool rc = false;
diff --git a/net/openvswitch/vport-internal_dev.c 
b/net/openvswitch/vport-internal_dev.c
index c058bbf..80b3e12 100644
--- a/net/openvswitch/vport-internal_dev.c
+++ b/net/openvswitch/vport-internal_dev.c
@@ -135,7 +135,7 @@ static void do_setup(struct net_device *netdev)
        netdev->netdev_ops = &internal_dev_netdev_ops;
 
        netdev->priv_flags &= ~IFF_TX_SKB_SHARING;
-       netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
+       netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_OPENVSWITCH;
        netdev->destructor = internal_dev_destructor;
        netdev->ethtool_ops = &internal_dev_ethtool_ops;
        netdev->rtnl_link_ops = &internal_dev_link_ops;
-- 
1.9.3

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