WB_TX_LIST_CNT
for (i = 0; i < WB_TX_LIST_CNT; i++) {
ifq_set_maxlen(&ifp->if_snd, WB_TX_LIST_CNT - 1);
for (i = 0; i < WB_TX_LIST_CNT; i++) {
nexti = (i == WB_TX_LIST_CNT - 1) ? 0 : i + 1;
struct wb_txdesc wb_tx_list[WB_TX_LIST_CNT];
struct wb_chain wb_tx_chain[WB_TX_LIST_CNT];