Add MDB net device operation that will be invoked by rtnetlink code in
response to received RTM_GETMDB messages. Subsequent patches will
implement the operation in the bridge and VXLAN drivers.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
---
  include/linux/netdevice.h | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 1c7681263d30..18376b65dc61 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h

@@ -1586,6 +1586,10 @@ struct net_device_ops {
  	int			(*ndo_mdb_dump)(struct net_device *dev,
  						struct sk_buff *skb,
  						struct netlink_callback *cb);
+	int			(*ndo_mdb_get)(struct net_device *dev,
+					       struct nlattr *tb[], u32 portid,
+					       u32 seq,
+					       struct netlink_ext_ack *extack);
  	int			(*ndo_bridge_setlink)(struct net_device *dev,
  						      struct nlmsghdr *nlh,
  						      u16 flags,