+/**
+ * Get pbb tag rewrite on the given interface.
+ * Return 1 if there is an error, 0 if ok
+ */
+u32 l2pbb_get (vlib_main_t * vlib_main,
+ vnet_main_t * vnet_main,
+ u32 sw_if_index,
+ u32 * vtr_op,
+ u16 * outer_tag,
+ ethernet_header_t * eth_hdr, u16 * b_vlanid, u32 * i_sid);
+