BUF_OWNED_BY_DMA
desc->cmd_sts = BUF_OWNED_BY_DMA | TX_GEN_CRC | TX_FIRST_DESC |
p_used_rx_desc->cmd_sts = BUF_OWNED_BY_DMA | RX_EN_INT;
if (!force && (cmd_sts & BUF_OWNED_BY_DMA)) {
if (cmd_sts & (BUF_OWNED_BY_DMA))