[Bug 263783] USB MBIM: Support for LTE/4G USB modems (MBIM)

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 10 Dec 2024 23:55:32 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263783

Pierre Pronchery <khorben@defora.org> changed:

           What    |Removed                     |Added
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--- Comment #42 from Pierre Pronchery <khorben@defora.org> ---
Created attachment 255765
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=255765&action=edit
0001-Introduce-the-USB-umb-4-network-driver.patch

After reviewing the whole driver for the proper use of mutexes, this no longer
crashes for me. I do not have a valid spare physical SIM at the moment to
complete my tests; can someone confirm if this works?

What I get at the moment:

# ifconfig umb0
umb0: flags=1008811<UP,POINTOPOINT,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu
1500
        options=0
        media: <unknown type>
        status: 
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
umb0: state radio on, mode automatic, registration not registered
        provider "", dataclass GPRS, signal #-999
        phone number "", roaming "" (allowed)
        APN "internet.t-mobile", TX 0, RX 0
        firmware "SWI9X15C_05.05.58.00", hardware "MC7304"

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