MM: How to get valid IP & network interface after successfully get connected

[Priyank Kumar]

Hi,

I am trying to connect a modem on Ubuntu 14.04.
Everything works fine, i.e modem is enabled, I can send and receive SMS
through mmcli.
The problem I am facing is that once a bearer is created with right APN and
username and password, I can connect to  modem but dont get any IP.

How to get the network interface, couldnt find anything on documentation.
Also I see enum to see like PPP/STATIC/DHCP etc, but dont know where to
feed that field.

It would be really useful if one example is given on mmcli or dbus API how
to do the connect and disconnect to packet service.
When to know which port data packet get through (QMI/AT or other) ?
Also is there a dbus API to send AT command, i see mmcli has some commands.?
Also do we have dbus api for libqmi and libqcdm?

Thanks.


mmcli -m 1



 -------------------------
  Hardware |   manufacturer: 'QUALCOMM INCORPORATED'
           |          model: 'HSUPA'
           |       revision: 'WUP_1.10.037'
           |      supported: 'gsm-umts'
           |        current: 'gsm-umts'
           |   equipment id: '359769022304908'
  -------------------------
  System   |         device:
'/sys/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2.4/1-2.4.3'
           |        drivers: 'option1'
           |         plugin: 'Generic'
           |   primary port: 'ttyUSB0'
           |          ports: 'ttyUSB0 (at), ttyUSB1 (qcdm), ttyUSB2 (at)'
  -------------------------
  Numbers  |           own : '185824xxxx'
  -------------------------
  Status   |           lock: 'none'
           | unlock retries: 'unknown'
           |          state: 'connected'
           |    power state: 'on'
           |    access tech: 'gprs'
           | signal quality: '20' (recent)
  -------------------------
  Modes    |      supported: 'allowed: 2g, 3g; preferred: none'
           |        current: 'allowed: 2g, 3g; preferred: none'
  -------------------------
  Bands    |      supported: 'unknown'
           |        current: 'unknown'
  -------------------------
  IP       |      supported: 'ipv4, ipv6'
  -------------------------
  3GPP     |           imei: '359769022304908'
           |  enabled locks: 'none'
           |    operator id: '310410'
           |  operator name: 'AT&T'
           |   registration: 'home'
  -------------------------
  SIM      |           path: '/org/freedesktop/ModemManager1/SIM/1'

Syslog:
ModemManager[701]: message repeated 6 times: [ <info>  Modem
/org/freedesktop/ModemManager1/Modem/1: signal quality updated (20)]
Sep 23 00:05:42 priyank-desktop ModemManager[701]: <info>  Modem
/org/freedesktop/ModemManager1/Modem/1: state changed (registered ->
connecting)
Sep 23 00:05:42 priyank-desktop NetworkManager[803]: <info> (ttyUSB0) modem
state changed, 'registered' --> 'connecting' (reason: user-requested)
Sep 23 00:05:42 priyank-desktop ModemManager[701]: <info>  Modem
/org/freedesktop/ModemManager1/Modem/1: state changed (connecting ->
connected)
Sep 23 00:05:42 priyank-desktop NetworkManager[803]: <info> (ttyUSB0) modem
state changed, 'connecting' --> 'connected' (reason: user-requested)
Sep 23 00:06:10 priyank-desktop ModemManager[701]: <info>  Modem
/org/freedesktop/ModemManager1/Modem/1: signal quality updated (20)


Thanks in advance
Priyank
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