RTW_TX_QUEUE_BE
rtw_pci_tx_isr(rtwdev, rtwpci, RTW_TX_QUEUE_BE);
[RTW_TX_QUEUE_BE] = RTK_PCI_TXBD_IDX_BEQ,
len = rtwpci->tx_rings[RTW_TX_QUEUE_BE].r.len;
dma = rtwpci->tx_rings[RTW_TX_QUEUE_BE].r.dma;
rtwpci->tx_rings[RTW_TX_QUEUE_BE].r.rp = 0;
rtwpci->tx_rings[RTW_TX_QUEUE_BE].r.wp = 0;
case RTW_TX_QUEUE_BE:
case RTW_TX_QUEUE_BE:
case RTW_TX_QUEUE_BE:
case RTW_TX_QUEUE_BE:
[IEEE80211_AC_BE] = RTW_TX_QUEUE_BE,
return RTW_TX_QUEUE_BE;