REG_MTU
AT_READ_REG(hw, REG_MTU, p++);
AT_WRITE_REG(hw, REG_MTU, hw->max_frame_size + ETH_HLEN +
regs_buff[20] = AT_READ_REG(hw, REG_MTU);
AT_WRITE_REG(hw, REG_MTU, hw->max_frame_size + ETH_HLEN +
iowrite32(hw->max_frame_size, hw->hw_addr + REG_MTU);
regs_buff[20] = ATL2_READ_REG(hw, REG_MTU);
ATL2_WRITE_REG(hw, REG_MTU, adapter->netdev->mtu +
ATL2_WRITE_REG(hw, REG_MTU, new_mtu + ETH_HLEN +