IXGBE_VFTXDCTL
regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(reg_idx), IXGBE_TXDCTL_SWFLSH);
IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(reg_idx), txdctl);
txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(reg_idx));
IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(reg_idx),
IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(reg_idx),
reg_val = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(i), reg_val);