Re: Pinephone Issue in 2.13

Hi Dennis

On Monday 2 December 2024 17:55:18 Greenwich Mean Time Denis Kenzior wrote:
> Hi Adam,
> 
> On 11/28/24 11:41 AM, Adam Pigg wrote:
> > Hi Dennis
> > 
> > Myself and some users have an issue since upgrading from 2.12 to 2.13.
> 
> 2.13 added multiple simultaneous data bearer support, but they should have
> been backwards compatible with those devices that don't support them. 
> Guess I broke something :)  Sorry about that.
> 
No problem, its hard to debug devices you dont have access to, I know the 
feeling! (i support an app that interfaces with various "smart" watches)

> > The logs on my own PP and PPP, and from another users PPP show the
> > following code path, with the device being shut down:
> > Nov 28 17:35:59 PinePhone ofonod[2557]: plugins/gobi.c:discover_cb()
> > Nov 28 17:35:59 PinePhone ofonod[2557]: plugins/gobi.c:create_wda_cb()
> > Nov 28 17:35:59 PinePhone ofonod[2557]:
> > plugins/gobi.c:set_data_format_cb()
> > Nov 28 17:35:59 PinePhone ofonod[2557]:
> > plugins/gobi.c:set_data_format_cb()
> > Trying next data format
> > Nov 28 17:35:59 PinePhone ofonod[2557]:
> > plugins/gobi.c:set_data_format_cb()
> > Nov 28 17:35:59 PinePhone ofonod[2557]:
> > plugins/gobi.c:set_data_format_cb()
> > Trying next data format
> > Nov 28 17:35:59 PinePhone ofonod[2557]:
> > plugins/gobi.c:set_data_format_cb()
> > Nov 28 17:35:59 PinePhone ofonod[2557]: plugins/gobi.c:shutdown_device()
> > 0x2088ba20
> > Nov 28 17:35:59 PinePhone ofonod[2557]: plugins/gobi.c:shutdown_cb()
> 
> What oFono tries to do is to cycle through three currently supported data
> formats:
> 
> - RAW_IP + QMAPv5 -> this enables multiple simultaneous bearer support. 
> There's also in theory RAW_IP + QMAPv4, but I don't have any devices that
> only support this format.
> - RAW_IP -> Single context, no 802.3 framing overhead
> - 802.3 -> Supported by really old Qualcomm devices.
> 
> Looks like the firmware is rejecting every single format we try to set it
> into. Do you know what format PinePhone uses?  Do you have libqmi / qmicli
> installed on the PinePhone to run some commands?  Something like:
> 
I dont have these packaged, but I can look into that if needed, or ask around

> qmicli --device=/dev/cdc-wdm0
> --wda-get-data-format=ep-type=hsusb,ep-iface-number=<InterfaceNumber>
> 
> where InterfaceNumber is what is being passed to gobi plugin from udevng
> inside the "InterfaceNumber" modem property.
> 
> For oFono 2.12, what do the contents of
> /sys/class/net/<netif>/qmi/raw_ip
> and
> /sys/class/net/<netif>/qmi/pass_through
> 
[root@PinePhone defaultuser]# cat /sys/class/net/wwan0/qmi/pass_through 
N
[root@PinePhone defaultuser]# cat /sys/class/net/wwan0/qmi/raw_ip 
Y


> look like?  <netif> in this case is the QMI wwan network device, something
> like wwan0.
> 
> Regards,
> -Denis

Adam