Udev: persistent-net-generator.rules and USB Devices

["Omair Eshkenazi" <stimpson@xxxxxxxxxxxxxxx>]

G'day,
I noticed that in (70-)persistent-net.rules, the comments for USB  
devices are missing the device/vendor id's. Example:
# USB device 0x:0x (rt73usb)

I tried udevadm info --query=all on one such device and it didn't  
return much, but then, neither does it with pci devices -- I need to  
use --attribute-walk for it to show more. So I couldn't really figure  
out why they are missing.

However, using usb_id does give us useful information -- we can get  
_really_ fancy, in fact, and use text! -- so maybe it's worth using it?
# ./usb_id --export  
/devices/pci0000:00/0000:00:1d.7/usb1/1-2/1-2:1.0/net/wlan0
ID_VENDOR=Ralink
ID_VENDOR_ENC=Ralink
ID_MODEL=802.11_bg_WLAN
ID_MODEL_ENC=802.11\x20bg\x20WLAN
ID_REVISION=0001
ID_SERIAL=Ralink_802.11_bg_WLAN

Now, I know the vendors don't always supply info in the device (and  
mine shows a certain lack of imagination/detail), but it must be  
better than nothing...

Omair

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