netdev - Re: Is this 32-bit NCM?

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Message-ID: <alpine.LNX.2.03.1411301129250.1938@gmail.com>
Date:	Sun, 30 Nov 2014 11:31:04 +0100 (CET)
From:	Enrico Mioso <mrkiko.rs@...il.com>
To:	Alex Strizhevsky <alexxst@...il.com>
cc:	Eli Britstein <Eli.Britstein@...iocodes.com>,
	linux-usb@...r.kernel.org, "youtux@...il.com" <youtux@...il.com>,
	Midge Shaojun Tan <ShaojunMidge.Tan@...iocodes.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Kevin Zhu <Mingying.Zhu@...iocodes.com>,
	Bjørn Mork <bjorn@...k.no>
Subject: Re: Is this 32-bit NCM?

Here are two USB captures.
In m1 - the computer is "silent": and it can listen to ARP traffic coming from 
the modem.
In m2, the computer tries to talk, performing DHCP with dhclient from Ubuntu.
Any strange thing?
Is the device really interpreting ndpOffset as Offset in the specs Kevin?
If so we might elaborate on this.

On Sun, 30 Nov 2014, Alex Strizhevsky wrote:

==Date: Sun, 30 Nov 2014 05:22:20
==From: Alex Strizhevsky <alexxst@...il.com>
==To: Mrkiko Rs <mrkiko.rs@...il.com>
==Cc: Eli Britstein <Eli.Britstein@...iocodes.com>, linux-usb@...r.kernel.org,
==    "youtux@...il.com" <youtux@...il.com>,
==    Midge Shaojun Tan <ShaojunMidge.Tan@...iocodes.com>,
==    "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
==    Kevin Zhu <Mingying.Zhu@...iocodes.com>, Bjørn Mork <bjorn@...k.no>
==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@...il.com> 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.
==
==
==