所以我买了这个设备（DWA171 revC）但是manuf。似乎太聪明了，在设备中插入了一个记忆棒控制器来存储 Windows 驱动程序。
我已经从这里编译并修改了驱动程序https://github.com/diederikdehaas/rtl8812AU一切似乎都很好，但我仍然只在 dmesg 中显示记忆棒
供应商和产品 ID 似乎是 wifi 模块，但它写的是“产品：磁盘”。
Edit1 - 附加信息
<username>@<username>-MS-7A70:~$ sudo dpkg -s usb-modeswitch
[sudo] password for <username>:
Package: usb-modeswitch
Status: install ok installed
Priority: optional
Section: comm
Installed-Size: 158
Maintainer: Ubuntu Developers <[email protected]>
Architecture: amd64
Version: 2.5.2+repack0-2ubuntu1
Depends: libc6 (>= 2.27), libpipeline1 (>= 1.0.0), libusb-1.0-0 (>= 2:1.0.9), usb-modeswitch-data (>= 20140529)
Suggests: comgt, wvdial
Breaks: usb-modeswitch-data (<< 20100127)
Conffiles:
/etc/usb_modeswitch.conf b7f857804762b4a81a71c93a2fe1207f
Description: mode switching tool for controlling "flip flop" USB devices
Several new USB devices have their proprietary Windows drivers onboard,
especially WAN dongles. When plugged in for the first time, they act
like a flash storage and start installing the driver from there. If
the driver is already installed, the storage device vanishes and
a new device, such as an USB modem, shows up. This is called the
"ZeroCD" feature.
.
On Debian, this is not needed, since the driver is included as a
Linux kernel module, such as "usbserial". However, the device still
shows up as "usb-storage" by default. usb-modeswitch solves that
issue by sending the command which actually performs the switching
of the device from "usb-storage" to "usbserial".
.
This package contains the binaries and the brother scripts.
Original-Maintainer: Didier Raboud <[email protected]>
Homepage: http://www.draisberghof.de/usb_modeswitch/
<username>@<username>-MS-7A70:~$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver
Bus 001 Device 003: ID 0bda:1a2b Realtek Semiconductor Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
手动运行 usb_modeswitch 后，我现在在 dmesg 中有这个：-
[133898.810951] usb 1-2: USB disconnect, device number 2
[133899.193566] usb 1-2: new high-speed USB device number 5 using xhci_hcd
[133899.341961] usb 1-2: New USB device found, idVendor=2001, idProduct=331d
[133899.341967] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[133899.341971] usb 1-2: Product: DWA-171
[133899.341975] usb 1-2: Manufacturer: D-Link Corporation
[133899.341978] usb 1-2: SerialNumber: 123456
产品 ID 似乎不真实，序列号看起来很粗略。
ip link show 只显示我的以太网和环回设备
谢谢，萨希尔
正确驱动程序8821cu的 whitebatman2 版本并未明确涵盖您的 2001:331d 设备。但是，有一种安装驱动程序的方法。从终端：
sudo apt update
sudo apt install build-essential git dkms
git clone https://github.com/brektrou/rtl8821CU.git
cd rtl8821CU
chmod +x dkms-install.sh
sudo ./dkms-install.sh
它在我的 5.0.0-23 系统上成功构建，尽管有一些可能无害的警告
接下来，执行：
sudo modprobe 8821cu
您的无线现在应该可以工作了。
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我来说两句