net: switchdev: support static FDB addresses

This patch adds an ndm_state member to the switchdev_obj_fdb structure,
in order to support static FDB addresses.

Set Rocker ndm_state to NUD_REACHABLE.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/switchdev.h

@@ -72,6 +72,7 @@ struct switchdev_obj {
 		struct switchdev_obj_fdb {		/* PORT_FDB */
 			const unsigned char *addr;
 			u16 vid;
+			u16 ndm_state;
 		} fdb;
 	} u;
 };