[OpenWrt-Devel] [ModemManager] How can I make ModemManager work right?

[Jeonghum Joh]

Hello Alexander,

I didn't attach antenna. With antenna, I received improved print I think:

root at LEDE:~# mmcli -L
    /org/freedesktop/ModemManager1/Modem/0 [Quectel] EC25
root at LEDE:~# mmcli -m 0
  --------------------------------
  General  |            dbus path: /org/freedesktop/ModemManager1/Modem/0
           |            device id: 97ffc2eeb6d3ad975d9089850aa3b9b494529919
  --------------------------------
  Hardware |         manufacturer: Quectel
           |                model: EC25
           |    firmware revision: EC25EFAR04A02M4G_SKT
           |            supported: gsm-umts, lte
           |              current: gsm-umts, lte
           |         equipment id: 356673040475612
  --------------------------------
  System   |               device:
/sys/devices/platform/1a0c0000.usb/usb1/1-2
           |              drivers: option
           |               plugin: Quectel
           |         primary port: ttyUSB2
           |                ports: ttyUSB0 (qcdm), ttyUSB2 (at), ttyUSB3
(at)
  --------------------------------
  Numbers  |                  own: 01224316205
  --------------------------------
  Status   |       unlock retries: sim-pin (3), sim-pin2 (3), sim-puk (10),
sim-puk2 (10)
           |                state: connected        <<<<<<<<<<<<<<<<<<
           |          power state: on
           |          access tech: lte
           |       signal quality: 80% (recent)
  --------------------------------
  Modes    |            supported: allowed: 2g, 3g, 4g; preferred: none
           |              current: allowed: 2g, 3g, 4g; preferred: none
  --------------------------------
  IP       |            supported: ipv4, ipv6, ipv4v6
  --------------------------------
  3GPP     |                 imei: 356673040475612
           |          operator id: 45005
           |        operator name: SKTelecom         <<<<<<<<<<<<<<<<<<
           |         registration: home         <<<<<<<<<<<<<<<<<<
  --------------------------------
  3GPP EPS | ue mode of operation: csps-1
  --------------------------------
  SIM      |            dbus path: /org/freedesktop/ModemManager1/SIM/0
  --------------------------------
  Bearer   |            dbus path: /org/freedesktop/ModemManager1/Bearer/0
root at LEDE:~# mmcli -b 0
  --------------------------------
  General            |  dbus path: /org/freedesktop/ModemManager1/Bearer/0
                     |       type: default
  --------------------------------
  Status             |  connected: yes
                     |  suspended: no
                     |  interface: ttyUSB2
                     | ip timeout: 20
  --------------------------------
  Properties         |        apn: lte-internet.sktelecom.com
                     |    roaming: allowed         <<<<<<<<<<<<<<<<<<
  --------------------------------
  IPv4 configuration |     method: ppp         <<<<<<<<<<<<<<<<<<
<<<<<<<<<<<<<<<<<<
                     |     prefix: 0
  --------------------------------
  Statistics         |   duration: 60
root at LEDE:~# mmcli -m 0 --list-bearers
error: no actions specified



But IPv4 configuration method is ppp.
I think this is what you said that the connection is ppp not QMI.
Then How is this supposed to be in correct and righteous setting? Should
this be QMI or something like that?

Thank you very much.
Jeonghum



2020년 5월 11일 (월) 오후 4:36, Aleksander Morgado <aleksander at aleksander.es>님이
작성:

> Hey!
>
> >
> > I found one :
> > https://github.com/lkundrak/openwrt-network-manager
> >
> > I wonder if this is righty and worthy to try.
> > I am now trying porting it anyway.
> >
>
> I would first write to lkundrak (who is one of the NetworkManager
> maintainers) to ask whether this port is usable or not.
>
> --
> Aleksander
> https://aleksander.es
>
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