@param last_seq - highest sequence number received inbound
@param last_seq_hi - high 32 bits of highest ESN received inbound
@param replay_window - bit map of seq nums received relative to last_seq if using anti-replay
@param last_seq - highest sequence number received inbound
@param last_seq_hi - high 32 bits of highest ESN received inbound
@param replay_window - bit map of seq nums received relative to last_seq if using anti-replay