Hi Alex. Right now, the modem is being used in Direct-IP mode (using both "sierra" and "sierra_net" drivers). Have posted a query https://lkml.org/lkml/2016/8/11/135, specifying the details, and having some queries.
On Thu, Aug 11, 2016 at 6:45 PM, Alex Ferm <[email protected]> wrote: > From the specifications it looks like your modem has a QMI interface. I'm > surprised ModemManager isn't using that. When ModemManager connects to a QMI > modem it uses a proxy, which allows multiple applications to access the > interface. > > Alex Ferm > PetroPower, LLC. > 3003 E. 37th Street N. > Suite 100 > Wichita, KS 67219 > > Phone: (316) 361-0222 > Toll Free: (877) 265-6581 > Fax: (316) 361-0967 > > On 08/10/2016 12:36 AM, Ajay Garg wrote: >> >> I might point that if I comment the "respawn" option in >> "/etc/init/modemmanager.conf" and then start the modem-manager binary >> from command-line, the broadband connection gets disconnected as soon >> as I exit the binary. >> >> So, I guess the answer to my question is "no", but just want to confirm. >> Also, if the answer is in fact "no", is there a way to change the answer? >> >> On Wed, Aug 10, 2016 at 10:00 AM, Ajay Garg <[email protected]> >> wrote: >>> >>> Any pointers, please? >>> >>> On Tue, Aug 9, 2016 at 12:46 PM, Ajay Garg <[email protected]> >>> wrote: >>>> >>>> Hi All. >>>> >>>> We are using Sierra's USB-to-WWAN driver on Ubuntu-14 for Sierra's >>>> MC8090 >>>> modem, and we have a requirement wherein we need to have access to the >>>> modem-serial-port (from our user-application that is). >>>> >>>> Right now, we see that /usr/sbin/ModemManager is always connected to >>>> /dev/ttyUSB3 (which means we cannot connect to the port from our >>>> application >>>> at the same time, or even if we can, received-data will be at best >>>> inconsistent). >>>> >>>> >>>> We are thinking of the following :: >>>> >>>> * Initially, let nmcli and ModemManager do their work, and >>>> let >>>> them bring the WWAN interface up. >>>> >>>> * Once this happens, we permanently-down the ModemManager >>>> from >>>> our application-binary, thereby freeing up /dev/ttyUSB3. >>>> >>>> * Thereafter, we are free to connect to /dev/ttyUSB3 from >>>> our >>>> application, thereby using features like SMS-notification (+CMTI), >>>> signal-strength (+CSQ), etc. >>>> >>>> >>>> >>>> Does our approach make sense? >>>> We will be grateful to any help. >>>> >>>> >>>> Thanks and Regards, >>>> Ajay >>> >>> >>> >>> -- >>> Regards, >>> Ajay >> >> >> > > > _______________________________________________ > networkmanager-list mailing list > [email protected] > https://mail.gnome.org/mailman/listinfo/networkmanager-list > -- Regards, Ajay _______________________________________________ networkmanager-list mailing list [email protected] https://mail.gnome.org/mailman/listinfo/networkmanager-list
