Re: udev - set persistent name for WLAN Adapter

[Pascal Hambourg <pascal@plouf.fr.eu.org>]

csanyipal@gmail.com a écrit :
>>
>> I should wrote here like:
>> # USB device 0x:0x (rtl8192cu)
>> SUBSYSTEM=="usb", ACTION=="add", DRIVERS=="usb", \
>> ATTR{idVendor}=="0586", ATTR{idProduct}=="341f", \
>> ATTR{manufacturer}=="Realtek", \
>> ATTR{product}=="802.11n WLAN Adapter", ATTR{dev_id}=="0x0", \
>> ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"

This is wrong, as I wrote earlier : idVendor, idProduct, manufacturer
and product should use ATTRS instead of ATTR, because these attributes
belong to parent devices, not to the network interface itself.

udevadm info -a -p /sys/class/net/wlan0

> I have found the solution:

Not *the* solution, just *a* solution.

> # USB device 0x:0x (rtl8192cu)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", \
> ATTR{address}=="00:e0:4c:81:92:*", ATTR{dev_id}=="0x0", \
>  ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
> 
> I don't use neither
> ATTR{idVendor}=="0586", nor
> ATTR{idProduct}=="341f"
> 
> and it still works.
> Why?

See above : it works now because they would not match. If you remove
criteria, the match is less restrictive (at the risk of matching other
devices too).