Re: Is this 32-bit NCM?

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thank you.
The interesting thing is that, by the way, I am not even able to use the dongle 
via PPP - it is not relevant, but curious.
Ok - at the moment I don't have other ideas.
I am sorry.

On Mon, 1 Dec 2014, Kevin Zhu wrote:

==Date: Mon, 1 Dec 2014 06:51:31
==From: Kevin Zhu <Mingying.Zhu@xxxxxxxxxxxxxx>
==To: Enrico Mioso <mrkiko.rs@xxxxxxxxx>
==Cc: Alex Strizhevsky <alexxst@xxxxxxxxx>,
==    Eli Britstein <Eli.Britstein@xxxxxxxxxxxxxx>,
==    "linux-usb@xxxxxxxxxxxxxxx" <linux-usb@xxxxxxxxxxxxxxx>,
==    "youtux@xxxxxxxxx" <youtux@xxxxxxxxx>,
==    Midge Shaojun  Tan <ShaojunMidge.Tan@xxxxxxxxxxxxxx>,
==    "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>,
==    Bjørn Mork <bjorn@xxxxxxx>
==Subject: Re: Is this 32-bit NCM?
==
==I'm sorry.
==
==According to the wireshark capture, those packets without NCM signature
==are probably some periodical status checking interrupts. And some other
==packets in the same capture do show the NCM signature. Those packets are
==ping packets.
==
==Regarding the offset and alignment definition, the specification says as
==below:
==
==Alignment requirements are met by controlling the location of the
==payload (the data following the Ether-
==net header in each datagram). This alignment is specified by indicating
==a constraint as a divisor and a
==remainder. The agent formatting a given NTB aligns the payload of each
==datagram by inserting padding,
==such that the offset of each datagram satisfies the constraint:
==
==Offset % wNdpInDivisor == wNdpInPayloadRemainder (for IN datagrams)
==Or
==Offset % wNdpOutDivisor == wNdpOutPayloadRemainder (for OUT datagrams)
==
==
==Regards,
==Kevin
==
==On 12/01/2014 01:28 PM, Enrico Mioso wrote:
==> Sorry.
==> I am a visually impaired person - and use a braille display to read your
==> messages; can't have access to files that don't contain ascii-based content.
==> Sorry Kevin.
==>
==> And thank you for everything. Don't worry about the lateness.
==> It was sunday.
==>
==>
==> On Mon, 1 Dec 2014, Kevin Zhu wrote:
==>
==> ==Date: Mon, 1 Dec 2014 04:14:10
==> ==From: Kevin Zhu <Mingying.Zhu@xxxxxxxxxxxxxx>
==> ==To: Enrico Mioso <mrkiko.rs@xxxxxxxxx>, Alex Strizhevsky <alexxst@xxxxxxxxx>
==> ==Cc: Eli Britstein <Eli.Britstein@xxxxxxxxxxxxxx>,
==> ==    "linux-usb@xxxxxxxxxxxxxxx" <linux-usb@xxxxxxxxxxxxxxx>,
==> ==    "youtux@xxxxxxxxx" <youtux@xxxxxxxxx>,
==> ==    Midge Shaojun  Tan <ShaojunMidge.Tan@xxxxxxxxxxxxxx>,
==> ==    "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>,
==> ==    Bjørn Mork <bjorn@xxxxxxx>
==> ==Subject: Re: Is this 32-bit NCM?
==> ==
==> ==Hi Enrico,
==> ==
==> ==I think those packets are some interrupt status. Please check my capture by
==> ==wireshark.
==> ==
==> ==[IMAGE]
==> ==
==> ==And this is a ping packet from window, which indicates it's an NCM packet.
==> ==
==> ==[IMAGE]
==> ==
==> ==Regards,
==> ==Kevin
==> ==On 11/30/2014 06:39 PM, Enrico Mioso wrote:
==> ==
==> ==My impression guys is that this is not cdc_ncm protocol.
==> ==Look how many short packets you can see in there.
==> ==Without any ncm signature.
==> ==right?
==> ==
==> ==
==> ==On Sun, 30 Nov 2014, Alex Strizhevsky wrote:
==> ==
==> ====Date: Sun, 30 Nov 2014 05:22:20
==> ====From: Alex Strizhevsky <alexxst@xxxxxxxxx>
==> ====To: Mrkiko Rs <mrkiko.rs@xxxxxxxxx>
==> ====Cc: Eli Britstein <Eli.Britstein@xxxxxxxxxxxxxx>, linux-usb@xxxxxxxxxxxxxx
==> ==g,
==> ====    "youtux@xxxxxxxxx" <youtux@xxxxxxxxx>,
==> ====    Midge Shaojun Tan <ShaojunMidge.Tan@xxxxxxxxxxxxxx>,
==> ====    "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>,
==> ====    Kevin Zhu <Mingying.Zhu@xxxxxxxxxxxxxx>, Bjørn Mork <bjorn@xxxxxxx>
==> ====Subject: Re: Is this 32-bit NCM?
==> ====
==> ====
==> ====Hi Enrico,
==> ====
==> ====Actually I have two dongles with different firmwares (23.128.00.00.00 &
==> ====21.286.03.01.209).
==> ====Probably have sent to you the USB  capture with the first one.
==> ====
==> ====In fact we have to make work the second one, this dongle has relevant SW.
==> ====
==> ====On Nov 30, 2014 3:13 AM, "Enrico Mioso" <mrkiko.rs@xxxxxxxxx> wrote:
==> ====      Hi guys.
==> ====      Sorry for the late our but ... I was trying to figure out
==> ====      something new about
==> ====      this dongle.
==> ====      I also searched for it in my city shops without finding it
==> ====      actually.
==> ====      But then I came back and ... tried to look at some things.
==> ====
==> ====      Alex, Kevin: in the Windows USB captures you sent me (and that I
==> ====      sent on the
==> ====      List), I can notiche something very strange.
==> ====      with a shell on a computer connected to a test device I can see
==> ====      the following:
==> ====      at+gmr
==> ====      21.286.03.01.209
==> ====      OK
==> ====      and so why in the Windows sniff the dongle answers to the same
==> ====      question
==> ====      something like
==> ====      23.128.00.00.00
==> ====      ?
==> ====      Alex - was it the same dongle?
==> ====      Kevin or anyone: can you use putty to interact with the dongle
==> ====      under Windows
==> ====      and type some commands, like:
==> ====      at+gmr
==> ====      and other similar commands?
==> ====      If the dongle reports different firmware versions under Linux
==> ====      and Windows, then
==> ====      guys... we need to figure out the Windows switch message.
==> ====      Overmore - in the device installation sh*t, you can see there is
==> ====      a firmware
==> ====      updater... Why?
==> ====
==> ====      Alex: I used the
==> ====      at^reset
==> ====      command to get the modem back to normal state once; and so it
==> ====      restored the
==> ====      nvram to default or something.
==> ====      If you reconnect it to windows ... i hope it gets re-setup as
==> ====      before.
==> ====      But - nothing harmful to the device, only to it's settings,
==> ====      sorry.
==> ====      I restored the relevant settings and it connects again, but no
==> ====      dhcp. But - be
==> ====      peaceful: other modems out there seems to not get dhcp anyway.
==> ====      this is the state the modem arrives when you buy it, so windows
==> ====      should know
==> ====      Wwhat To Say To The Modem (TM).
==> ====      Another thing - note that:
==> ====      [14170.048693] cdc_ncm 1-2:1.2: GET_MAX_DATAGRAM_SIZE failed
==> ====
==> ====      Any ideas, comments, suggestions are highly appreciated guys.
==> ====      Of any type.
==> ====
==> ====      Bjorn - unfortunately it seems this problem is related to E3727
==> ====      and E3276
==> ====      sticks; they can get IP from DHCP but not go ahead.
==> ====
==> ====
==> ====
==> ==
==> ==
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