Lines Matching refs:pba
539 u32 pba = 0, tx_space, min_tx_space, min_rx_space;
556 pba = E1000_PBA_48K;
562 pba = E1000_PBA_48K;
567 pba = E1000_PBA_30K;
576 pba -= 8; /* allocate more FIFO for Tx */
580 adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
582 (E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
587 ew32(PBA, pba);
595 pba = er32(PBA);
597 tx_space = pba >> 16;
599 pba &= 0xffff;
618 ((min_tx_space - tx_space) < pba)) {
619 pba = pba - (min_tx_space - tx_space);
624 pba &= ~(E1000_PBA_8K - 1);
632 if (pba < min_rx_space)
633 pba = min_rx_space;
637 ew32(PBA, pba);
649 hwm = min(((pba << 10) * 9 / 10),
650 ((pba << 10) - hw->max_frame_size));