Thank Franko.

But in the Windows-application it is possible to configure 3G/4G/Auto, so I
assume their must be some form of interface where this can be set? Is it
throught he PC UI interface this is made? Is there a specification
available?

Cheers
Olof

2012/11/14 Fangxiaozhi (Franko) <[email protected]>

>  Dear Olof:****
>
>          1. Our AT command “AT^SYSCFG” can only support to set 2G only,
> 2G preferred, 3G only and 3G preferred, but can not support 4G setting.***
> *
>
> ** **
>
>          2. The following AT command for query connection mode:****
>
> Command ****
>
> Possible response(s) ****
>
> AT^HWNATQRY? ** **
>
> <CR><LF>^HWNATQRY:<*cur_mode*><CR><LF><CR><LF>OK<CR><LF> ****
>
>                    Cur_mode indicates the current network mode:****
>
>                             00: reserved****
>
>                             01: GSM****
>
>                             02: CDMA(including 1x,EVDO)****
>
>                             03: WCDMA****
>
>                             04: TD_CDMA****
>
>                             05: Wimax****
>
>                             06: LTE****
>
>                             07: Wifi****
>
>                             ...****
>
>                             99: none****
>
> ** **
>
>          Hope that this can help you.****
>
> ** **
>
> Best Regards,****
>
> Franko Fang****
>
>                    ****
>
> -----邮件原件-----
> 发件人: Olof Ermis [mailto:[email protected]]
> 发送时间: 2012年11月13日 22:17
> 收件人: Fangxiaozhi (Franko)
> 抄送: Bjørn Mork; Aleksander Morgado; [email protected]; Tommy
> Cheng
> 主题: Re: 答复: MM: Non QMI Huawei modems without PPP support?****
>
> ** **
>
> Hi Franko!****
>
> ** **
>
> Do you have any information on what AT commands should be issued to toggle
> force-3G/force-4G/Auto mode and is there a command to query connection mode
> if set to AUTO?****
>
> ** **
>
> Cheers****
>
> Olof****
>
> ** **
>
> 2012/11/12 Fangxiaozhi (Franko) <[email protected]>:****
>
> > Dear All:****
>
> >         Yes, in future, Huawei 3G modems will more support ECM/NCM/MBIM
> device, but not PPP modem.****
>
> >         In generally, there is a ECM/NCM/MBIM interface and several
> serial interfaces available(at least there is one serial interface, which
> is used to manage the device, called PCUI interface by Huawei).****
>
> >         Currently, ECM/NCM/MBIM interface can support dial-up with both
> QMI and AT command at the same time. But in future, ECM/NCM/MBIM interface
> will more support to dial up with AT command, but not QMI.****
>
> >         So I advise that now it is time to do same work to make
> ModemManager can support AT command dial-up for ECM/NCM/MBIM interface.***
> *
>
> >         The AT commands about the dial-up, it will be sent to device
> through the PCUI interface:****
>
> >         1. connect:****
>
> >
> AT^NDISDUP=1,1,"apn"[,<"username">,<"password">,<auth_type>]****
>
> >                         ------username, password and auth_type is
> optional.****
>
> >                         -----auth_type: 0: no auth, 1: PAP, 2: CHAP.****
>
> >         2. disconnect:****
>
> >                 AT^NDISDUP=1,0****
>
> >         3. connection state:****
>
> >                 1) auto report:(this report is sent by )****
>
> >                         <CR><LF> ^NDISSTAT:
> <stat>,,,<PDP_type>]<CR><LF><CR><LF>OK<CR><LF>****
>
> >                         -----stat: 0 disconnected, 1 connected****
>
> >                         -----PDP_type: "IPV4" or "IPV6"****
>
> >                         -----such as: ^NDISSTAT:1,,,"IPV4"****
>
> >                                            ^NDISSTAT:0,,,"IPV4"****
>
> >                 2) query state:****
>
> >                         AT^NDISSTATQRY?****
>
> >** **
>
> >         Hope that these information above can help you.****
>
> >** **
>
> > Best Regards,****
>
> > Franko Fang****
>
> >** **
>
> >** **
>
> > -----邮件原件-----****
>
> > 发件人: [email protected] ****
>
> > [mailto:[email protected]<[email protected]>]
> 代表 Bj?rn Mork****
>
> > 发送时间: 2012年11月11日 23:14****
>
> > 收件人: Aleksander Morgado****
>
> > 抄送: Olof Ermis; [email protected]; Tommy Cheng****
>
> > 主题: Re: MM: Non QMI Huawei modems without PPP support?****
>
> >** **
>
> > Aleksander Morgado <[email protected]> writes:****
>
> >** **
>
> >> Hey Bjørn,****
>
> >>** **
>
> >>>** **
>
> >>> following up the recent discussions on libqmi regarding E3276 I am ***
> *
>
> >>> wondering if these modems could be supported without too much fuzz ***
> *
>
> >>> by ModemManager?****
>
> >>>** **
>
> >>> This is a typical example of such a device (after adding the ****
>
> >>> necessary match to the cdc_ncm driver):****
>
> >>>** **
>
> >>> T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  3 Spd=480 MxCh= 0****
>
> >>> D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1****
>
> >>> P:  Vendor=12d1 ProdID=1506 Rev= 1.02****
>
> >>> S:  Manufacturer=HUAWEI Technology****
>
> >>> S:  Product=HUAWEI Mobile****
>
> >>> C:* #Ifs= 4 Cfg#= 1 Atr=80 MxPwr=500mA****
>
> >>> I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=02 Prot=12 Driver=option**
> **
>
> >>> E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms****
>
> >>> E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms****
>
> >>> I:  If#= 1 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=02 Prot=16 ****
>
> >>> Driver=cdc_ncm****
>
> >>> E:  Ad=82(I) Atr=03(Int.) MxPS=  64 Ivl=2ms****
>
> >>> I:* If#= 1 Alt= 1 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=16 ****
>
> >>> Driver=cdc_ncm****
>
> >>> E:  Ad=82(I) Atr=03(Int.) MxPS=  64 Ivl=2ms****
>
> >>> E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms****
>
> >>> E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms****
>
> >>> I:* If#= 2 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=****
>
> >>> E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms****
>
> >>> E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms****
>
> >>> I:* If#= 3 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=****
>
> >>> E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms****
>
> >>> E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms****
>
> >>>** **
>
> >>>** **
>
> >>> So, except for the Mass Storage functions, there is only one serial **
> **
>
> >>> function and one CDC NCM function available.  And according to the ***
> *
>
> >>> Windows drvier inf, the serial function is intended for PCUI.  It is *
> ***
>
> >>> used to manage the CDC NCM function, and may not support PPP at****
>
> >>> all(?)****
>
> >>>** **
>
> >>> Ideally ModemManager should use the wwanX interface for data and the *
> ***
>
> >>> ttyUSBY device for control, using Huawei vendor specific AT commands *
> ***
>
> >>> to initiate and manage the connection.  The known commands specific **
> **
>
> >>> to network device management are AFAIK****
>
> >>>** **
>
> >>> connect:****
>
> >>> AT^NDISDUP=1,1,"apn"****
>
> >>>** **
>
> >>> disconnect:****
>
> >>> AT^NDISDUP=1,0****
>
> >>>** **
>
> >>> check:****
>
> >>> AT^DHCP?****
>
> >>>** **
>
> >>> The last command will return all addresses, but the firmware also ****
>
> >>> support running DHCP over the network interface so using these is ****
>
> >>> not necessary .  The command is still useful to check whether there **
> **
>
> >>> is an active connection or not.****
>
> >>>** **
>
> >>> Is this something which can be supported relatively easy?****
>
> >>>** **
>
> >>> I do not know how common these devices are, but the E3276 is ****
>
> >>> relatively new so there might be an increasing demand for this. ****
>
> >>> Based on the Windows driver I expect there are also similar devices **
> **
>
> >>> with a CDC ECM function instead of NCM, but I have not seen any
> example of those yet.****
>
> >>> So I have so far only submitted a patch for cdc_ncm.****
>
> >>>** **
>
> >>>** **
>
> >>** **
>
> >> It should not be very difficult to support these modems.****
>
> >>** **
>
> >> First, we would need a way to guess whether the huawei modem is one ***
> *
>
> >> of this kind or not. If this modem replies to "AT+CLAC", please send **
> **
>
> >> back that output.****
>
> >** **
>
> > Since I don't have any such modems, I am hoping Olof or Tommy can help
> with this?****
>
> >** **
>
> >> A first try would be to use "AT^NDISDUP=?", assuming that a proper ****
>
> >> reply is given by this modem and not by the others.****
>
> >** **
>
> > That I am pretty sure will not work.  AT^NDISDUP is implemented in many
> other Huawei modems, including some you will want to support via QMI.****
>
> >** **
>
> >> Just****
>
> >> wondering, we may actually be able to decide this looking at the ****
>
> >> driver reported?****
>
> >** **
>
> > Probably, using some driver based heuristic like****
>
> >** **
>
> >   1) I got a wwanX interface => need some management interface****
>
> >** **
>
> >   2) Look at the driver of wwanX to guess what type of management
> interface****
>
> >     to use:****
>
> >** **
>
> >    qmi_wwan => QMI over /dev/cdc-wdmY****
>
> >    cdc_mbim => MBIM over /dev/cdc-wdmY****
>
> >    (cdc_ncm or cdc_ether) and Ericsson => AT*ENAP etc over /dev/cdc-wdmY
> or /dev/ttyACMY****
>
> >    (cdc_ncm or cdc_ether) and Huawei => AT^NDISDUP etc over ****
>
> > /dev/ttyUSBY****
>
> >** **
>
> > And maybe other combinations you already support?  AFAIK, this is pretty
> much what you already do e.g. for the Ericsson (aka MBM) modems?****
>
> >** **
>
> >> Are you able to run current git master ModemManager to see how the ****
>
> >> modem behaves w.r.t other things like messaging, registration and ****
>
> >> such? A debug log would be very helpful, as well as the output of
> "mmcli -m 0".****
>
> >** **
>
> > Again, Olof or Tommy?****
>
> >** **
>
> >> Last but not least, if anyone can sponsor a couple of these new ****
>
> >> devices for us to test with, that would be best :-)****
>
> >** **
>
> > Of course.  One could hope the vendors stepped in here.****
>
> >** **
>
> >** **
>
> > Bjørn****
>
> > _______________________________________________****
>
> > networkmanager-list mailing list****
>
> > [email protected]****
>
> > https://mail.gnome.org/mailman/listinfo/networkmanager-list****
>
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