Re: QEMU | USB Ethernet device (RNDIS) does not work on several tested operating systems (#198)

[Philippe Mathieu-Daudé]

Cc'ing Paul Zimmerman for the hcd-dwc2 model.

On Thu, Jun 10, 2021 at 2:10 PM programmingkidx (@programmingkidx) wrote:
> 虎游 commented:
>
> The same problem occurred in my Raspberry Pi 3b+ emulation.
>
> Host: Debian 10 x86_64. Guest rootfs: 
> https://download.canaan-creative.com/avalon921/openwrt/latest/rpi3-modelb/openwrt-brcm2708-bcm2710-rpi-3-ext4-sdcard.img.gz
>  Guest kernel & dtd: 
> https://github.com/dhruvvyas90/qemu-rpi-kernel/tree/master/native-emulation
>
> Command:
>
> /usr/local/bin/qemu-system-aarch64 -M raspi3 -append "rw earlyprintk 
> loglevel=8 console=ttyAMA0,115200 dwc_otg.lpm_enable=0 root=/dev/mmcblk0p2 
> rootdelay=1" -dtb 
> ../qemu-rpi-kernel/native-emulation/dtbs/bcm2710-rpi-3-b-plus.dtb -drive 
> file=avalon.img,format=raw,if=sd,id=root -kernel 
> ../qemu-rpi-kernel/native-emulation/5.4.51\ kernels/kernel8.img -m 1G -smp 4 
> -usb -device usb-mouse -device usb-kbd -nographic -no-reboot -device 
> usb-net,netdev=eth0 -netdev tap,id=eth0,ifname=avalon,script=no,downscript=no 
> Output:
>
> [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034] [ 
> 0.000000] Linux version 5.4.51-v8+ (dom@buildbot) (gcc version 5.4.0 20160609 
> (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9)) #1333 SMP PREEMPT Mon Aug 10 16:58:35 
> BST 2020 [ 0.000000] Machine model: Raspberry Pi 3 Model B+
>
> ...
>
> usbnet: failed control transaction: request 0x8006 value 0x600 index 0x0 
> length 0xa usbnet: failed control transaction: request 0x8006 value 0x600 
> index 0x0 length 0xa usbnet: failed control transaction: request 0x8006 value 
> 0x600 index 0x0 length 0xa [ 3.688532] usb 1-1.3: New USB device found, 
> idVendor=0525, idProduct=a4a2, bcdDevice= 0.00 [ 3.688739] usb 1-1.3: New USB 
> device strings: Mfr=1, Product=2, SerialNumber=10 [ 3.689454] usb 1-1.3: 
> Product: RNDIS/QEMU USB Network Device [ 3.689563] usb 1-1.3: Manufacturer: 
> QEMU [ 3.689639] usb 1-1.3: SerialNumber: 1-1.3
>
> ...
>
> root@OpenWrt:/# ifconfig -a lo Link encap:Local Loopback inet addr:127.0.0.1 
> Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:156 errors:0 
> dropped:0 overruns:0 frame:0 TX packets:156 errors:0 dropped:0 overruns:0 
> carrier:0 collisions:0 txqueuelen:1000 RX bytes:9836 (9.6 KiB) TX bytes:9836 
> (9.6 KiB)
>
> root@OpenWrt:/# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue 
> state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 
> inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 
> Finally, there is no nic available in guest OS.