net/mlx5: E-Switch, Add definition of IB representor

Create a new representor type: REP_IB. which will be initialized by an IB
device that is used as a logical representor of a eswitch vport (VF or
uplink) just like we have a net device today in switchdev mode.

Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
diff --git a/include/linux/mlx5/eswitch.h b/include/linux/mlx5/eswitch.h
index f62bf48..d3c9db4 100644
--- a/include/linux/mlx5/eswitch.h
+++ b/include/linux/mlx5/eswitch.h
@@ -16,6 +16,7 @@
 
 enum {
 	REP_ETH,
+	REP_IB,
 	NUM_REP_TYPES,
 };