qe_txd
sbus_writel(qblk_dvma + qib_offset(qe_txd, 0), cregs + CREG_TXDS);
struct qe_txd *txbase = &qep->qe_block->qe_txd[0];
qep->qe_block->qe_txd[entry].tx_flags = TXD_UPDATE;
qep->qe_block->qe_txd[entry].tx_addr = txbuf_dvma;
qep->qe_block->qe_txd[entry].tx_flags =
struct qe_txd qe_txd[TX_RING_MAXSIZE];