Not getting IP Address after wds-start-network

[Bjørn Mork]

Are these switching problems related to the auto connect feature, or are they present even if you turn off auto connect? 

As for raw ip in the driver: what's the current consensus? Is this feature required? Will it help, or confuse even more?


Bjørn

On August 7, 2015 6:03:59 PM CEST, Markus Gothe <nietzsche at lysator.liu.se> wrote:
>You could as well use my derivate driver for raw IP only as well...
>
>However switch the WDA format is to prefer, but recent Netgear stuff
>with Sprint branding have issues with the switch. Namely 341U and 770S.
>
>//M
>Den 7 aug 2015 1:12 fm skrev Kavula Suresh <kavulas at gmail.com>:
>>
>> Thanks! With patch script update, it's working fine as expected. 
>>
>> Thanks once again. 
>>
>> Regards,
>>
>> On Thu, Aug 6, 2015 at 4:45 PM, Aleksander Morgado
><aleksander at aleksander.es> wrote:
>>>
>>> Hey,
>>>
>>> On Thu, Aug 6, 2015 at 10:50 PM, Kavula Suresh <kavulas at gmail.com>
>wrote:
>>> > I have a problem with the Sierra MC7354 Modem and libqmi drivers.
>I can
>>> > establish connection with qmicli commands. After connecting
>network, I don’t
>>> > get ip from service provider (with dhclient wwan0) and disconnects
>network
>>> > after 1 or 2 minutes. Here is the command summary used:
>>> >
>>> > # qmicli -d /dev/cdc-wdm0 --wds-start-network=VZWINTERNET
>>> > --client-no-release-cid --wds-follow-network
>>> > [/dev/cdc-wdm0] Network started
>>> >         Packet data handle: '1137907944'
>>> >
>>> > Ctrl+C will stop the network
>>> > [/dev/cdc-wdm0] Connection status: 'connected'
>>> > [/dev/cdc-wdm0] Connection status: 'connected'
>>> > [/dev/cdc-wdm0] Connection status: 'connected'
>>> > [/dev/cdc-wdm0] Connection status: 'connected'
>>> > [/dev/cdc-wdm0] Connection status: 'connected'
>>> > [/dev/cdc-wdm0] Connection status: 'connected'
>>> > [/dev/cdc-wdm0] Connection status: 'disconnected'
>>> > [/dev/cdc-wdm0] Stopping after detecting disconnection
>>> > Network cancelled... releasing resources
>>> > error: couldn't stop network: QMI protocol error (26): 'NoEffect'
>>> > [/dev/cdc-wdm0] Client ID not released:
>>> >         Service: 'wds'
>>> >             CID: '9'
>>> >
>>> >
>>> >
>>> > After issuing command:
>>> >
>>> > ifconfig -a
>>> >
>>> > wwan0     Link encap:Ethernet  HWaddr 3A:65:0F:F1:01:E3
>>> >           inet6 addr: fe80::3865:fff:fef1:1e3/64 Scope:Link
>>> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>>> >           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>>> >           TX packets:104 errors:0 dropped:0 overruns:0 carrier:0
>>> >           collisions:0 txqueuelen:1000
>>> >           RX bytes:0 (0.0 B)  TX bytes:32124 (31.3 KiB)
>>> >
>>> > and
>>> >
>>> >     # dhclient -d -4 wwan0
>>> > Internet Systems Consortium DHCP Client 4.1-ESV-R8
>>> > Copyright 2004-2013 Internet Systems Consortium.
>>> > All rights reserved.
>>> > For info, please visit https://www.isc.org/software/dhcp/
>>> >
>>> > Listening on LPF/wwan0/3a:65:0f:f1:01:e3
>>> > Sending on   LPF/wwan0/3a:65:0f:f1:01:e3
>>> > Sending on   Socket/fallback
>>> > DHCPDISCOVER on wwan0 to 255.255.255.255 port 67 interval 3
>>> > DHCPDISCOVER on wwan0 to 255.255.255.255 port 67 interval 5
>>> > DHCPDISCOVER on wwan0 to 255.255.255.255 port 67 interval 7
>>> > DHCPDISCOVER on wwan0 to 255.255.255.255 port 67 interval 8
>>> > DHCPDISCOVER on wwan0 to 255.255.255.255 port 67 interval 13
>>> > DHCPDISCOVER on wwan0 to 255.255.255.255 port 67 interval 8
>>> > DHCPDISCOVER on wwan0 to 255.255.255.255 port 67 interval 14
>>> > DHCPDISCOVER on wwan0 to 255.255.255.255 port 67 interval 3
>>> > No DHCPOFFERS received.
>>> > No working leases in persistent database - sleeping.
>>> >
>>> > Any suggestions would be help to make wwan0 broadband connection
>in forever
>>> > mode.
>>> >
>>>
>>> Assuming you're not using libqmi git master, go apply this patch
>here
>>> and retry ,please:
>>>
>>>
>http://cgit.freedesktop.org/libqmi/commit/?id=4a82bb9be84861e5098d1c1482b16f60b2b3e449
>>>
>>> The MC7354 shows up with 2 pairs of QMI+WWAN pairs; one of them is
>by
>>> default set to raw-ip; the other one is set to 802.3.The kernel
>driver
>>> expects it to be 802.3, so you'll need to either choose the QMI+WWAN
>>> pair which is already in 802.3, or otherwise, unconditionally switch
>>> to 802.3 before connecting (with that patch).
>>>
>>> Without more info that's what I would suggest to do for now.
>>>
>>> --
>>> Aleksander
>>> https://aleksander.es
>>
>>
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