ieee80211_sn_inc
ssn = ieee80211_sn_inc(ssn);
buffer->head_sn = ieee80211_sn_inc(buffer->head_sn);
ssn = ieee80211_sn_inc(ssn);
buffer->head_sn = ieee80211_sn_inc(buffer->head_sn);
tid->head = ieee80211_sn_inc(tid->head);
tid->head = ieee80211_sn_inc(head);
head = ieee80211_sn_inc(ieee80211_sn_sub(seqno, size));
tid_agg_rx->head_seq_num = ieee80211_sn_inc(tid_agg_rx->head_seq_num);
head_seq_num = ieee80211_sn_inc(
ieee80211_sn_inc(tid_agg_rx->head_seq_num);