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Subject: Re: Renaming can devices interfaces names with udev
To:     Jasper Wallace <jasper@arcolaenergy.com>, linux-can@vger.kernel.org
References: <CAPvzSFeGLtH-fz8mdSZL3UfajeoegvRL6cNuTdru6HnYH2=Hfw@mail.gmail.com>
From:   Gediminas Simanskis <gediminas@rusoku.com>
Message-ID: <f36510b0-e45b-b6e1-b47c-dc6a02e142ad@rusoku.com>
Date:   Wed, 25 Aug 2021 22:50:33 +0300
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Hi,

I use similar method for net interface name from serial number of Rusoku 
TouCAN converters.It works for me.
https://github.com/rusoku/TouCAN-SocketCAN_DKMS/blob/master/95-toucan.rules

gedsim@PC:~$ ifconfig -a
TouCAN_5211: flags=128<NOARP>  mtu 16
         unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 
txqueuelen 10  (UNSPEC)
         RX packets 0  bytes 0 (0.0 B)
         RX errors 0  dropped 0  overruns 0  frame 0
         TX packets 0  bytes 0 (0.0 B)
         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

Gediminas

On 2021-08-25 21:44, Jasper Wallace wrote:
> Hi all,
>
> I'm going to be using a number of the Korlan/8devices usb2can
> interfaces and I want to make sure they have persistent interface
> names. Thankfully they all have unique serial numbers that are printed
> on the devices so I can match a physical device with a linux interface
> name.
>
> In theory I should be able to do something like add a file at
> /etc/udev/rules.d/10-usb2can.rules containing something like:
>
> SUBSYSTEM=="net", ACTION=="add", ATTR{ID_VENDOR_ENC}=="8Devices",
> ATTR{ID_MODEL}=="USB2CAN_converter", NAME="can$attr{ID_SERIAL_SHORT}"
>
> But I've not been able to get anything to work.
>
> Has anyone been able to get something like this to work?
>
> I'm on Debian Buster.
>
> Thanks,
>
> Jasper
>