Planning to add a PCIe(not in USB protocol) device

[Bjørn Mork]

Now you made me really curious. That sounds a lot like the cdc_mbim userspace ABI. And I didn't expect anyone to copy that since I don't think anyone is happy with it. Including me.

Or are they simply creating a usb mbim device? That would make sense. But then it should have worked with mm, so I guess not...


Bjørn 

On March 15, 2019 8:59:04 AM GMT+01:00, "王道之" <lingzangwuhen at gmail.com> wrote:
>Hey
>The Intel offer a PCIe device driver to suit my situation. The driver
>could
>grab a virtual net port from the PCIe modem, then the user like me
>could
>use VLAN to divide the virtual net port in several VLAN ports, the VLAN
>port can be mapped by socat as AT port and trace port. The map is
>defined
>by Intel.
>But the MM could not add those virtual AT ports and virtual net port.
>To do
>that, I change some filter logic that would not influence the
>architecture
>now in use. And I add two UDEV flag to set the  subsystem and port name
>of
>the virtual ports, flags named ID_MM_VIRTUAL_SUBSYSTEMS and
>ID_MM_VIRTUAL_NAME, the way that the two new flags work just like the
>already existing UDE flag D_MM_PHYSDEV_UID did. In this way, the MM
>would
>support modem devices with virtual ports.
>
>Bjørn Mork <bjorn at mork.no> 于2019年3月9日周六 下午8:09写道：
>
>> Daniele Palmas <dnlplm at gmail.com> writes:
>> > Il giorno lun 10 dic 2018 alle ore 14:25 Bjørn Mork <bjorn at mork.no>
>ha
>> scritto:
>> >>
>> >> As for Qualcomm based modems:  Haven't yet seen any docs for the
>PCIe
>> >> interface there either.  So I'll assume it is similar to the Intel
>one.
>> >
>> > related to Qualcomm I guess this development
>> >
>> >
>>
>http://archive.lwn.net:8080/linux-kernel/1524795811-21399-1-git-send-email-sdias@codeaurora.org/
>> >
>> > should be related, but unfortunately it seems that the attempt for
>> > upstream inclusion stopped.
>>
>> Thanks for the pointer!  Really interesting and encouraging.
>>
>>
>> Bjørn
>>