+ /** HFN can be given as a per packet value also.
+ * As we do not have IV in case of PDCP, and HFN is
+ * used to generate IV. IV field can be used to get the
+ * per packet HFN while enq/deq.
+ * If hfn_ovrd field is set, user is expected to set the
+ * per packet HFN in place of IV. PMDs will extract the HFN
+ * and perform operations accordingly.
+ */
+ uint32_t hfn_ovrd;