ModemManager-devel Digest, Vol 64, Issue 19

[Dan Williams]

On Sun, 2018-09-30 at 20:39 -0400, Michael pang wrote:
> I did create one network interface named broadband according to the
> website. I am missing the  DHCP client network interface. My EM7455
> is in
> MBIM mode. Does that matter? After I created two interface, still 

MBIM mode does not support DHCP.  Instead, you'd ask ModemManager for
the IP information (which it retrieves from the modem via MBIM) or
query the IP info directly with mbimcli and set the info on the net
interface directly.

Dan

> same
> problem. I did notice some message in system log. Thank you for your
> help.
> This is my first time compile openwrt package with modemmanager.
> Sun Sep 30 20:30:03 2018 daemon.notice netifd: broadband (2089):
> Device not
> found in sysfs
> Sun Sep 30 20:30:03 2018 kern.info kernel: [   13.878492] IPv6:
> ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
> Sun Sep 30 20:30:03 2018 kern.info kernel: [   13.885034] IPv6:
> ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
> Sun Sep 30 20:30:03 2018 daemon.notice netifd: wan (2124): udhcpc:
> started,
> v1.28.3
> Sun Sep 30 20:30:03 2018 daemon.notice netifd: broadband (2140):
> stopping
> network
> Sun Sep 30 20:30:03 2018 daemon.notice netifd: wwan (2164): udhcpc:
> started, v1.28.3
> Sun Sep 30 20:30:03 2018 daemon.notice netifd: broadband (2140):
> error:
> couldn't get bus: Could not connect: No such file or directory
> Sun Sep 30 20:30:03 2018 daemon.notice netifd: broadband (2140):
> couldn't
> load bearer path
> Sun Sep 30 20:30:03 2018 daemon.notice netifd: Interface 'broadband'
> is now
> down
> 
> On Sun, Sep 30, 2018 at 7:33 PM Nick <mips171 at icloud.com> wrote:
> 
> > Did you set up the appropriate network interfaces in
> > /etc/config/network?
> > You need one for the modem, which uses the modemmanager protocol,
> > and one
> > DHCP client interface which gets the IP from the modemmanager
> > interface
> > after it connects to the cellular network.  Check alexander0m’s
> > bitbucket
> > profile with the modemmanager-openwrt repository, there is an
> > example
> > config there.  After you get that all set up, assuming your wwan0
> > interface
> > is in raw_ip mode, which I think is required for 7455’s in QMI
> > mode, then
> > you should simply be able to connect using ifup broadband && ifup
> > wwan.
> > 
> > 
> > Best,
> > 
> > Nicholas
> > 
> > > On 30 Sep 2018, at 22:00,
> > 
> > modemmanager-devel-request at lists.freedesktop.org wrote:
> > > 
> > > Send ModemManager-devel mailing list submissions to
> > >       modemmanager-devel at lists.freedesktop.org
> > > 
> > > To subscribe or unsubscribe via the World Wide Web, visit
> > >       https://lists.freedesktop.org/mailman/listinfo/modemmanager
> > > -devel
> > > or, via email, send a message with subject or body 'help' to
> > >       modemmanager-devel-request at lists.freedesktop.org
> > > 
> > > You can reach the person managing the list at
> > >       modemmanager-devel-owner at lists.freedesktop.org
> > > 
> > > When replying, please edit your Subject line so it is more
> > > specific
> > > than "Re: Contents of ModemManager-devel digest..."
> > > 
> > > 
> > > Today's Topics:
> > > 
> > >   1. Openwrt with EM7455 connecting issue (Michael pang)
> > > 
> > > 
> > > ---------------------------------------------------------------
> > > -------
> > > 
> > > Message: 1
> > > Date: Sat, 29 Sep 2018 21:30:13 -0400
> > > From: Michael pang <michaelpangwork at gmail.com>
> > > To: modemmanager-devel at lists.freedesktop.org
> > > Subject: Openwrt with EM7455 connecting issue
> > > Message-ID:
> > >       <CAHMghz3Cdc5XivVyXP+oMMR_d9BYONUCMx7KTkr=-
> > 
> > aHmZ0Hh1g at mail.gmail.com>
> > > Content-Type: text/plain; charset="utf-8"
> > > 
> > > Hello
> > >       I am using OpenWrt 18.06.1 r7258-5eb055306f on linksys
> > > AC1900V2
> > > router. EM7455 Generic firmware with M.2 usb enclosure and
> > > modemmanager
> > > 1.8.2. I followed instruction on your website to compile the
> > > package.
> > 
> > But I
> > > can't get any connection. I have to issue 3 commands in order to
> > > get IP
> > > address(no internet though). Did I do something wrong during the
> > > compiling process? Thank you.
> > > 
> > > mmcli -e -m 0
> > > mmcli -m 0 --create-bearer="apn=Broadband"
> > > mmcli -c -b 0
> > > -------------- next part --------------
> > > An HTML attachment was scrubbed...
> > > URL: <
> > 
> > https://lists.freedesktop.org/archives/modemmanager-devel/attachmen
> > ts/20180929/6bc4f5f3/attachment-0001.html
> > > 
> > > 
> > > ------------------------------
> > > 
> > > Subject: Digest Footer
> > > 
> > > _______________________________________________
> > > ModemManager-devel mailing list
> > > ModemManager-devel at lists.freedesktop.org
> > > https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
> > > 
> > > 
> > > ------------------------------
> > > 
> > > End of ModemManager-devel Digest, Vol 64, Issue 19
> > > **************************************************
> > 
> > 
> 
> _______________________________________________
> ModemManager-devel mailing list
> ModemManager-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel