Aaron Z <[email protected]> writes:

> We are looking at getting a Netgear WNDR3700 and connecting it to a
> Verizon 4G LTE USB "USB551l" modem which has the "mdm9600" chipset.
> Has anyone used one of these with success?

Not that one, but I've been playing with a mdm9200 based modem lately,
which unless I'm mistaken provides pretty mush the same functionality
for the european frequency bands.  Ref:
https://developer.qualcomm.com/develop/mobile-technologies/3g4g-connectivity-gobi

The modem is probably already supported using one of the serial
interfaces provided by the "option" driver, using traditional AT
commands and ppp.  But my testing has shown that you cannot push more
than 8 Mbps upstream using ppp, most likely due to processing load in
the modem itself.

Because of the obvious limitations of ppp, I started making a driver for
the ethernet emulation these chips support.  This involves exposing the
Qualcomm MSM Interface (QMI) protocol to userspace, so a userspace app
(like ModemManager) can configure the device.  Most of the kernel
support will be in Linux 3.4.  No ETA on the userspace support
unfortunately.  But I do have some primitive scripts which can be used
to demo the driver.

Let me know if you are interested and have the capability for testing
this driver, and I'll try to provided more details.  The driver
discussions are also openly available on the linux-usb and netdev lists,
and the driver itsef in in linux-next.  Look for "Huawei E398/E392",
"cdc-wdm" and "qmi_wwan".

You don't happen to have a "lsusb -v" dump for the device, do you? 



Bjørn

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