Cinterion PLS63 not showing up as wwan0

[Giacinto Cifelli]

Hi Brendan,

On Wed, Jan 29, 2025 at 6:57 AM Brendan Simon
<brendan.simon at ind-technology.com> wrote:
>
> IND.T Classification: Public
>
>
> Thanks Dan.
> I am actually using a 5.10 kernel (not 4.19), but still wouldn't have the patches you mention.
> I can try some 6.1 and 6.6 kernel for our platform and see if that helps.
>
> Cheers, Brendan.
>

if i remember correctly, the PLS63/83 has 2 enumerations, one is wwan,
the other one is qmi.
You should check how is your module enumerating with the command AT^SSRVSET.

Kind Regards,
Giacinto

> ________________________________
> From: Dan Williams <dan at ioncontrol.co>
> Sent: Wednesday, 29 January 2025 1:39 AM
> To: Brendan Simon <brendan.simon at ind-technology.com>; modemmanager-devel at lists.freedesktop.org <modemmanager-devel at lists.freedesktop.org>
> Subject: Re: Cinterion PLS63 not showing up as wwan0
>
> This email originated from EXTERNAL
>
> On Tue, 2025-01-28 at 06:20 +0000, Brendan Simon wrote:
> >
> > IND.T Classification: External
> >
> >
> >
> > I am using a Debian 10 Buster Linux system with ModemManager 1.10
> > (yes I know it's old, and we have tried Debian 12 Bookwork with MM
> > 1.20) and cannot get a Cinterion PLS63 device to connecto the
> > internet.  MM seems happy enough with it.  It is detected and I can
> > show status information with mmcli command.
> >
> >
> > I have successfully connected over many years with this setup using a
> > Quectel EC21 modem, but cannot connect with this new Cinterion PLS63
> > modem.
> >
> >
> > One difference is that the device seems to show up as a network
> > interface  enxNNNNNN and not wwan0 , which is what the EC21 shows up
> > as.
> > Is this expected?
>
> No, if the kernel drivers have the right bits.
>
> > Is this the issue?  If so, how can I get it to show up as a
> > wwan0 device?
>
> The kernel drivers "tag" the device as a WWAN device instead of a
> regular USB Ethernet device, and that's how it gets wwan0.
>
> These patches seems relevant and were merged for the 5.11 kernel:
>
> https://lore.kernel.org/all/20210126044245.8455-1-gciofono@gmail.com/
> https://lore.kernel.org/all/20210120045650.10855-1-gciofono@gmail.com/
>
> I think Buster has a 4.19 kernel? I'll bet your kernel doesn't have
> those two patches.
>
> Dan
>
> >
> >
> > Some posts mention udev rules and port type hints.  Is this what I
> > should be looking at and are there any example or suggested settings
> > for this modem?
> >
> >
> > I tried using NetworkManger to setup a connection using the
> > enx interface, but thenmtui utility did not recognise it.
> >
> >
> > Thanks,
> > Brendan.
>