net: Add MDB get device operation

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>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index b8bf669212cce0152c02b12eb489433b0276b43e..a16c9cc063fe0efbaefc7d4ce678846abbd1046e 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1609,6 +1609,10 @@ 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,