netdev - Re: Qualcomm rmnet driver and qmi

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Message-ID: <CAGRyCJH_LFUHViHkQ94VPOUyymXSJbXzzhqeoPT9s_gUkDQrCA@mail.gmail.com>
Date:   Mon, 11 Jun 2018 16:30:56 +0200
From:   Daniele Palmas <dnlplm@...il.com>
To:     Subash Abhinov Kasiviswanathan <subashab@...eaurora.org>
Cc:     Bjørn Mork <bjorn@...k.no>,
        Dan Williams <dcbw@...hat.com>, netdev@...r.kernel.org
Subject: Re: Qualcomm rmnet driver and qmi_wwan

Hi Subash,

2018-06-09 19:55 GMT+02:00 Subash Abhinov Kasiviswanathan
<subashab@...eaurora.org>:
>> thanks, I will test it on Monday.
>>
>> Just a question for my knowledge: is the new sysfs attribute really
>> needed? I mean, is there not any other way to understand from qmi_wwan
>> without user intervention that there is the rmnet device attached?
>>
>> Regards,
>> Daniele
>>
>
> Hi Daniele
>
> You can check for the rx_handler attached to qmi_wwan dev and see if it
> belongs to rmnet. You can use the attached patch for it but it think the
> sysfs way might be a bit cleaner.
>

both patches work properly for me.

Maybe it could be helpful in the first patch to add a print when
pass-through setting fails if raw-ip has not been set, just to let the
user know what is happening.

Thanks,
Daniele

>
> --
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
> a Linux Foundation Collaborative Project