Add flag IFF_TEAM_MASTER to recognize a team master and helper
netif_is_team_master() to check it.

Signed-off-by: Michal Kubecek <[email protected]>
---
 drivers/net/team/team.c   | 3 ++-
 include/linux/netdevice.h | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 2368395..e1e2b85 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -2043,7 +2043,8 @@ static void team_setup(struct net_device *dev)
         * bring us to promisc mode in case a unicast addr is added.
         * Let this up to underlay drivers.
         */
-       dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE;
+       dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE |
+                          IFF_TEAM_MASTER;
 
        dev->features |= NETIF_F_LLTX;
        dev->features |= NETIF_F_GRO;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 888d551..1236feb 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1203,6 +1203,7 @@ struct net_device_ops {
  * @IFF_LIVE_ADDR_CHANGE: device supports hardware address
  *     change when it's running
  * @IFF_MACVLAN: Macvlan device
+ * @IFF_TEAM_MASTER: device is a team master
  */
 enum netdev_priv_flags {
        IFF_802_1Q_VLAN                 = 1<<0,
@@ -1228,6 +1229,7 @@ enum netdev_priv_flags {
        IFF_LIVE_ADDR_CHANGE            = 1<<20,
        IFF_MACVLAN                     = 1<<21,
        IFF_XMIT_DST_RELEASE_PERM       = 1<<22,
+       IFF_TEAM_MASTER                 = 1<<23,
 };
 
 #define IFF_802_1Q_VLAN                        IFF_802_1Q_VLAN
@@ -3638,6 +3640,11 @@ static inline bool netif_is_bond_slave(struct net_device 
*dev)
        return dev->flags & IFF_SLAVE && dev->priv_flags & IFF_BONDING;
 }
 
+static inline bool netif_is_team_master(struct net_device *dev)
+{
+       return dev->priv_flags & IFF_TEAM_MASTER;
+}
+
 static inline bool netif_supports_nofcs(struct net_device *dev)
 {
        return dev->priv_flags & IFF_SUPP_NOFCS;
-- 
1.8.4.5

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