GNU bug report logs - #35640
Make USB modems just work on Guix

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#35640: closed (Make USB modems just work on Guix)
Date: Sat, 15 Jun 2019 16:40:02 +0000

[Message part 1 (text/plain, inline)]

Your message dated Sat, 15 Jun 2019 18:39:22 +0200
with message-id <87h88qajlx.fsf <at> gnu.org>
and subject line Re: bug#35640: Make USB modems just work on Guix
has caused the debbugs.gnu.org bug report #35640,
regarding Make USB modems just work on Guix
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
35640: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=35640
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: "pelzflorian (Florian Pelz)" <pelzflorian <at> pelzflorian.de>
To: bug-guix <at> gnu.org
Subject: Make USB modems just work on Guix
Date: Wed, 8 May 2019 20:26:07 +0200

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When plugging in a USB modem, i.e. a “surf stick” / internet stick
with a SIM card for mobile broadband, setup should be as simple as
WiFi.  However, a few things are missing in Guix.

First, the manual claims:

 -- Scheme Variable: modem-manager-service-type
     […]
     This service is part of ‘%desktop-services’ (*note Desktop
     Services::).

But it is not part of %desktop-services.  The first attached patch
fixes this oversight.

Now I can type this to get an internet connection:

sudo nmcli connection add type gsm ifname ttyUSB1 apn internet


However, I want to be able to do this setup graphically.  I made a
second patch to propagate iso-codes (for mobile broadband country
selection) and mobile-broadband-provider-selection (for selecting
defaults for providers) in nm-connection-editor
(network-manager-applet) and gnome-control-center.

Propagation is ugly though.  Should I try patching
network-manager-applet instead?  I assume there are other packages
doing such patching that I can imitate.


Now I can configure the modem as Mobile Broadband in a graphical
interface.  I cannot do so in nmtui; I believe this modem setup
feature is not included in nmtui.


However, this is not the whole truth.  Before I can configure
anything, I have to run

sudo ~/usr/sbin/usb_modeswitch -c ~/Downloads/usb-modeswitch-data-20170806/usb_modeswitch.d/12d1:14fe -v 0x12d1 -p 0x14fe

because my modem by default presents itself as a CD containing Windows
drivers and not as a USB modem.  Preferrably, usb-modeswitch and
usb-modeswitch-data would be packaged (as a single package).  I can
try that later this week.

Lastly, there are udev rules in usb-modeswitch, I believe, because on
Debian I do not need to run any command; mode switching happens
automatically when plugging in the USB modem.  I suppose that means
there should also be a usb-modeswitch-service-type extending udev?

Regards,
Florian

[0001-services-Include-ModemManager-in-desktop-services.patch (text/plain, attachment)]

[0002-gnu-network-manager-applet-Propagate-packages-requir.patch (text/plain, attachment)]

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From: Ludovic Courtès <ludo <at> gnu.org>
To: "pelzflorian \(Florian Pelz\)" <pelzflorian <at> pelzflorian.de>
Cc: 35640-done <at> debbugs.gnu.org
Subject: Re: bug#35640: Make USB modems just work on Guix
Date: Sat, 15 Jun 2019 18:39:22 +0200

Hello!

"pelzflorian (Florian Pelz)" <pelzflorian <at> pelzflorian.de> skribis:

> From 27aff97683537407c178ea2b664069def0cf141a Mon Sep 17 00:00:00 2001
> From: Florian Pelz <pelzflorian <at> pelzflorian.de>
> Date: Thu, 13 Jun 2019 19:17:05 +0200
> Subject: [PATCH 1/2] Add usb-modeswitch-service-type.
>
> * gnu/services/networking.scm (usb-modeswitch-service-type): New variable.
> (usb-modeswitch-configuration): New variable.
> (usb-modeswitch-sh): New procedure.
> (usb-modeswitch-configuration->udev-rules): New procedure.
> * doc/guix.texi (Networking Services): Document it.

[...]

> From f4a5103b365f8bc5d2c514dad2e40f3c9981cfc2 Mon Sep 17 00:00:00 2001
> From: Florian Pelz <pelzflorian <at> pelzflorian.de>
> Date: Wed, 12 Jun 2019 11:16:57 +0200
> Subject: [PATCH 2/2] services: Include USB_ModeSwitch in %desktop-services.
>
> Fixes <https://bugs.gnu.org/35640>.
>
> * gnu/services/desktop.scm (%desktop-services): Add usb-modeswitch-service-type.
> * doc/guix.texi (Networking Services): Document it.

Pushed, thank you!

Ludo’.

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