Can neither see "wwan" interface, nor does network work in Sierra-modem-in-QMI-mode
Ajay Garg
ajaygargnsit at gmail.com
Sun Aug 14 18:42:14 UTC 2016
Hi Thomas.
On Sun, Aug 14, 2016 at 11:59 PM, Thomas Schäfer <tschaefer at t-online.de>
wrote:
> I am a little bit confused.
>
> I started everytime with step "c)" (mmcli -L to get the right number)
>
> Step "b)"(setting the bearer manually) was never necessary.
>
> Because of the enumeration I also rarely used step "a)".
>
> By the way: Does your ISP provide IPv6 too?
>
I doubt, but I guess that is independent of the spurious issue I am facing.
And I am sorry, I meant "dhclient wwan0" hangs 2/10 times (and works fine
8/10 times).
>
> Regards
>
> Thomas Schäfer
>
>
>
> Am Sonntag, 14. August 2016, 23:29:19 schrieb Ajay Garg:
> > Thanks Thomas !!!
> >
> > Following algorithm "mostly" works ::
> >
> >
> > ##############################################################
> > a)
> > Check whether the required bearer already exists, via ::
> >
> > mmcli -m 0 --list-bearers
> > mmcli -b /path/of/bearer/as/returned/by/above/command
> >
> > If yes, then go to step c).
> >
> > b)
> > mmcli -m 0 --create-bearer="apn=airtelgprs.com"
> >
> > c)
> > mmcli -m 0 --simple-connect="apn=airtelgprs.com"
> >
> > d)
> > dhclient -r wwan0
> > dhclient wwan0
> > ##############################################################
> >
> > In everything goes right, then telnet/ping work fine.
> >
> > In the beginning, I said "mostly", because the last step (dhclient wwan0)
> > hangs 8/10 times. Whenever this happens, the only remedy that I have
> found
> > so far is rebooting the machine.
> >
> >
> > Is there a saner way to have the "dhclient wwan0" work fine every time?
> >
> >
> > Thanks and Regards,
> > Ajay
> >
> > On Sun, Aug 14, 2016 at 7:52 PM, <tschaefer at t-online.de> wrote:
> > > Modemmanager doesn't make the ip-settings.
> > > This is normally done by networkmanager or by yourself.
> > >
> > > See mmcli -b 0
> > >
> > > The hint using ip instead of ifconfig was no joke!
> > >
> > > Ifconfig doesn't list down interfaces.
> > >
> > > Ip l does.
> > >
> > > The simplest thing in your case seems to me, is to starting
> > > dhclient/dhcpcd or something similar on your wwan-device.
> > > Alternatively try to do the settings according to mmcli -b 0 via ip
> > > manually.
> > >
> > > Thomas
> > >
> > >
> > >
> > >
> > > Am 14.08.2016 15:52 schrieb Ajay Garg <ajaygargnsit at gmail.com>:
> > >
> > > 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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> https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
>
--
Regards,
Ajay
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