ieee80211_hwmp_seq
ieee80211_hwmp_seq hr_seq; /* last HWMP seq seen from dst*/
ieee80211_hwmp_seq hr_preqid; /* last PREQ ID seen from dst */
ieee80211_hwmp_seq hr_origseq; /* seq. no. on our latest PREQ*/
ieee80211_hwmp_seq hs_seq; /* next seq to be used */
ieee80211_hwmp_seq hs_preqid; /* next PREQ ID to be used */
ieee80211_hwmp_seq preqid; /* last seen preqid for orig */