Can neither see "wwan" interface, nor does network work in Sierra-modem-in-QMI-mode

Ajay Garg ajaygargnsit at gmail.com
Sun Aug 14 13:52:38 UTC 2016


Hi All.

This post is mostly similar to https://lists.freedesktop.org/
archives/libqmi-devel/2016-August/001647.html, except there I am trying
with "qmicli" throughout, and here I try with "mmcli" throughout.

Anyways, for brevity, I will put in the complete relevant-content here too.

I switched my modem into QMI-mode, and rebooted the SOC
(Ubuntu-on-SSD-interfaced-with-modem).
After reboot, following is the information ::


== Pre-Requisites are in place ==

############################################################
root at logic-desktop:~# *lsusb*
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 1199:68a2 Sierra Wireless, Inc.
Bus 001 Device 004: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 001 Device 003: ID 046d:c05a Logitech, Inc. M90/M100 Optical Mouse
Bus 001 Device 002: ID 046d:c31d Logitech, Inc. Media Keyboard K200
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


root at logic-desktop:~# *ps -aux | grep qmi-proxy*
root       865  0.0  0.1  28032  5732 ?        Sl   18:58   0:00
/usr/lib/libqmi/qmi-proxy
root      2563  0.0  0.0   4692  2072 pts/2    S+   19:05   0:00 grep
--color=auto qmi-proxy

root at logic-desktop:~# *lsmod | grep sierra*

root at logic-desktop:~# *lsmod | grep qcserial*
qcserial               13006  0
usb_wwan               19306  1 qcserial
usbserial              38972  2 qcserial,usb_wwan

root at logic-desktop:~# *lsmod | grep qmi_wwan*
qmi_wwan               21469  0
cdc_wdm                18518  2 qmi_wwan
usbnet                 37829  1 qmi_wwan
############################################################





== Initial-Interface Listing ==

############################################################
root at logic-desktop:~# *ifconfig*
eth1      Link encap:Ethernet  HWaddr 00:90:0b:4c:65:fa
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Memory:d0700000-d071ffff

eth2      Link encap:Ethernet  HWaddr 00:90:0b:4c:65:fb
          inet6 addr: fe80::290:bff:fe4c:65fb/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:3910 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3448 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:3143983 (3.1 MB)  TX bytes:540896 (540.8 KB)
          Memory:d0600000-d061ffff

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:2398 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2398 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:188946 (188.9 KB)  TX bytes:188946 (188.9 KB)
############################################################





== Connection-Establishment ==

############################################################
root at logic-desktop:~# *mmcli -m 0 -e*
successfully enabled the modem

root at logic-desktop:~# *mmcli -m 0 --simple-connect="apn=airtelgprs.com
<http://airtelgprs.com>"*
successfully connected the modem

root at logic-desktop:~# *mmcli -m 0*

/org/freedesktop/ModemManager1/Modem/0 (device id
'6eef1b98754cbd133c7a802b89bfcccb55c2f464')
  -------------------------
  Hardware |   manufacturer: 'QUALCOMM INCORPORATED'
           |          model: '0'
           |       revision: 'SCAUTNZ  1  [Oct 21 2011 09:30:38]'
           |      supported: 'gsm-umts'
           |        current: 'gsm-umts'
           |   equipment id: '013087000947186'
  -------------------------
  System   |         device:
'/sys/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.1'
           |        drivers: 'qmi_wwan, qcserial'
           |         plugin: 'Sierra'
           |   primary port: 'cdc-wdm0'
           |          ports: 'ttyUSB1 (at), cdc-wdm0 (qmi), wwan0 (net)'
  -------------------------
  Numbers  |           own : 'unknown'
  -------------------------
  Status   |           lock: 'sim-pin2'
           | unlock retries: 'sim-pin (10), sim-pin2 (3), sim-puk
(10), sim-puk2 (10)'
           |          state: 'connected'
           |    power state: 'on'
           |    access tech: 'gsm'
           | signal quality: '71' (recent)
  -------------------------
  Modes    |      supported: 'allowed: 2g; preferred: none
           |                  allowed: 3g; preferred: none
           |                  allowed: 2g, 3g; preferred: none
           |                  allowed: 2g, 3g; preferred: 2g
           |                  allowed: 2g, 3g; preferred: 3g'
           |        current: 'allowed: 2g, 3g; preferred: none'
  -------------------------
  Bands    |      supported: 'dcs, egsm, pcs, g850, u2100, u1900, u800, u850'
           |        current: 'dcs, egsm, pcs, g850, u2100, u1900, u800, u850'
  -------------------------
  IP       |      supported: 'ipv4, ipv6, ipv4v6'
  -------------------------
  3GPP     |           imei: '013087000947186'
           |  enabled locks: 'none'
           |    operator id: '659957'
           |  operator name: 'unknown'
           |   subscription: 'unknown'
           |   registration: 'home'
  -------------------------
  SIM      |           path: '/org/freedesktop/ModemManager1/SIM/0'

  -------------------------
  Bearers  |          paths: '/org/freedesktop/ModemManager1/Bearer/0'
############################################################




== Latest-Interface Listing ==
############################################################
root at logic-desktop:~# *ifconfig*
eth0      Link encap:Ethernet  HWaddr 00:90:0b:4c:65:fa
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Memory:d0700000-d071ffff

eth2      Link encap:Ethernet  HWaddr 00:90:0b:4c:65:fb
          inet6 addr: fe80::290:bff:fe4c:65fb/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:2023 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1819 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1561030 (1.5 MB)  TX bytes:318922 (318.9 KB)
          Memory:d0600000-d061ffff

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:948 errors:0 dropped:0 overruns:0 frame:0
          TX packets:948 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:77992 (77.9 KB)  TX bytes:77992 (77.9 KB)
############################################################



== Network-Trials ==

############################################################
root at logic-desktop:~# *telnet www.google.com <http://www.google.com> 80*
telnet: could not resolve www.google.com/80: Name or service not known

root at logic-desktop:~# *ping www.google.com <http://www.google.com>*
ping: unknown host www.google.com
############################################################


What am I missing?

Will be grateful fo pointers.


Thanks and Regards,
Ajay
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