How is wireless signal strength for NetworkManager calculated

[Rejy M Cyriac]

On 01/23/2014 06:21 PM, poma wrote:
> On 23.01.2014 07:40, Rejy M Cyriac wrote:
>> On 01/20/2014 10:28 AM, Ranjan Maitra wrote:
> …
>>> While I am  here, I also wanted to know the answer to the question as
>>> to how the interfaces are decided in latter-day Fedoras: to elucidate,
>>> it used to be that eth0 and wlan0 and ppp0 were the interfaces. Now it
>>> seems to depend (and vary from one machine to the other). How do these
>>> get decided nowadays? Is there a generic way to get to the correct
>>> interface to use in programming? I am thinking of conky which requires
>>> the interface (from ifconfig, say) to set up signal strength, etc.
>>>
>> That would be biosdevname. It has been around for some time now.
> 
> $ rpm -q biosdevname
> package biosdevname is not installed ;)
> 
> Predictable Network Interface Names [1]
> $ man 7 udev
> 
> $ nmcli device status
> DEVICE      TYPE      STATE
> enp1s9      ethernet  connected
> 
> 
> poma
> 
> 
> [1]
> http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/
> http://cgit.freedesktop.org/systemd/systemd/tree/src/udev/udev-builtin-net_id.c#n20
> 

Interesting. I stand corrected. Thanks poma. :-)

Does that mean we cannot disable the feature by a kernel parameter any
more ?

-- 
Regards,

Rejy M Cyriac (rmc)