+typedef u8 *(vnet_flow_rewrite_callback_t) (struct flow_report_main *,
+ struct flow_report *,
+ ip4_address_t *,
+ ip4_address_t *, u16,
+ ipfix_report_element_t * elts,
+ u32 n_elts, u32 * stream_index);
+
+u8 *vnet_flow_rewrite_generic_callback (struct flow_report_main *,
+ struct flow_report *,
+ ip4_address_t *,
+ ip4_address_t *, u16,
+ ipfix_report_element_t * elts,
+ u32 n_elts, u32 * stream_index);
+