enetc_tx_bd
union enetc_tx_bd *ring;
static inline void enetc_clear_tx_bd(union enetc_tx_bd *txbd)
union enetc_tx_bd *desc;
scctx->isc_txqsizes[0] = scctx->isc_ntxd[0] * sizeof(union enetc_tx_bd);
scctx->isc_txd_size[0] = sizeof(union enetc_tx_bd);
queue->ring = (union enetc_tx_bd*)(vaddrs[i]);