qmi_wwan add_mux/del_mux

[Andre Valentin]

Am 31.01.21 um 11:01 schrieb Aleksander Morgado:
>>> Regarding libqmi-glib, I thought of adding new APIs in the QmiDevice
>>> to allow setting/getting the pass through value, but given that this
>>> setting *requires* first enabling raw-ip, I have instead updated the
>>> QmiDeviceExpectedDataFormat enum with a new "QMAP_PASS_THROUGH" value,
>>> in addition to "802_3" and "RAW_IP". The
>>> qmi_device_set_expected_data_format() will update the "raw_ip" and
>>> "pass_through" settings to the required values for each
>>> QmiDeviceExpectedDataFormat (considering also that in older kernels
>>> these may not exist)
>>>
>>> See https://gitlab.freedesktop.org/mobile-broadband/libqmi/-/merge_requests/205
>>>
>>> Comments welcome!
>>>
>>
>> This all looks very interesting. Can't wait to get it in OpenWRT :-)
>>
>> Did I understand you correctly that this call wouldn't be needed anymore:
>> qmicli ... --wds-bind-mux-data-port=mux-id=${mux_id},ep-iface-number=${ep_id}
>>
> 
> It depends on how you're connecting the modem right now. If you have
> just one single APN connection, you could still do that WDS bind of a
> given mux id to the whole interface specified by the ep-iface-number.
> 
> With the new method, you'll be able to instantiate a whole new network
> interface as a "link" of the parent network interface, and use the new
> interface for a specific mux-id. This new method allows you to have
> multiple connections (e.g. to different APNs) multiplexed over a
> single network interface.
> 
> This will all be supported by ModemManager as well.
> 
Okay, I'm already convinced.

So to test this your libqmi patch as well as the kernel patch is needed, right?
That should be possible with openwrt.

Kind regards,

André

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