ATH_BA_INDEX
if (tid->bar_index > ATH_BA_INDEX(tid->seq_start, seqno)) {
index = ATH_BA_INDEX(tid->seq_start, seqno);
index = ATH_BA_INDEX(tid->seq_start, seqno);
ba_index = ATH_BA_INDEX(seq_st, bf->bf_state.seqno);
} else if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, seqno))) {
ATH_BA_INDEX(seq_first, seqno));
ATH_BA_INDEX(seq_first, seqno));
tid->bar_index = ATH_BA_INDEX(tid->seq_start, bar_seq);