mlxsw: spectrum_router: Add rif helper functions

Add rif helper function to access the rif index and rif devices ifindex.
This functions will be used by dpipe in order to dump the rif table.
Signed-off-by: NArkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: NJiri Pirko <jiri@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c

@@ -2932,6 +2932,16 @@ mlxsw_sp_rif_alloc(u16 rif_index, u16 vr_id, struct net_device *l3_dev,
 	return rif;
 }
 
+u16 mlxsw_sp_rif_index(const struct mlxsw_sp_rif *rif)
+{
+	return rif->rif_index;
+}
+
+int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif)
+{
+	return rif->dev->ifindex;
+}
+
 static struct mlxsw_sp_rif *
 mlxsw_sp_vport_rif_sp_create(struct mlxsw_sp_port *mlxsw_sp_vport,
 			     struct net_device *l3_dev)

drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h

@@ -42,6 +42,8 @@ enum mlxsw_sp_rif_counter_dir {
 	MLXSW_SP_RIF_COUNTER_EGRESS,
 };
 
+u16 mlxsw_sp_rif_index(const struct mlxsw_sp_rif *rif);
+int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif);
 int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp,
 				   struct mlxsw_sp_rif *rif,
 				   enum mlxsw_sp_rif_counter_dir dir,