Did you run netcfg?

Sent from my iPhone

On Jul 1, 2011, at 4:16 PM, Ryan Barnett <ryanbarne...@gmail.com> wrote:

> Hi,
> 
> I'm currently trying to get a USB ethernet device to appear as an
> interface on a rooted Motorola Atrix 4G from AT&T. The build number
> for this software is OLYFR_U4_1.2.6 with a kernel version of 2.6.32.9.
> I have the multimedia docking station (which has USB ports available)
> that Motorola has available for the phone.  The USB ethernet device
> that I'm plugging into the phone registers correctly on a laptop that
> is running Ubuntu 10.10 and uses the generic cdc_ether driver.
> 
> Information I have gather thus far is from dmesg in which the
> following shows up:
> 
> <6>[   77.227517] usb 1-1.3: new high speed USB device using tegra-
> ehci and address 4
> <6>[   77.276658] usb 1-1.3: New USB device found, idVendor=0525,
> idProduct=a4a2
> <6>[   77.276669] usb 1-1.3: New USB device strings: Mfr=1, Product=2,
> SerialNumber=0
> <6>[   77.276679] usb 1-1.3: Product: RNDIS/Ethernet Gadget
> <6>[   77.276687] usb 1-1.3: Manufacturer: Linux 2.6.33.7-rt29 with
> musb_hdrc
> <6>[   77.277117] usb 1-1.3: configuration #1 chosen from 2 choices
> <6>[   77.288180] usb1: register 'cdc_ether' at usb-tegra-ehci.0-1.3,
> CDC Ethernet Device, fa:b5:e8:b3:5c:34
> 
> Also I have found that the device is created at /sys/class/net/usb1
> which really maps to /sys/devices/platform/tegra-ehci.0/
> usb1/1-1/1-1.4/1-1.4:1.0/. If I do a cd into device (/sys/devices/
> platform/tegra-ehci.0/usb1/1-1/1-1.4/1-1.4:1.0/net/usb1) the following
> information is in uevent:
> 
> DEVTYPE=usb_interface
> DRIVER=cdc_ether
> DEVICE=/proc/bus/usb/001/021
> PRODUCT=525/a4a2/316
> TYPE=2/0/0
> INTERFACE=2/6/0
> MODALIAS=usb:v0525pA4A2d0316dc02dsc00dp00ic02isc06ip00
> 
> It seems that the cdc_ether driver is working correctly it is just
> that it is not being mapped as an interface (as far as ifconfig is
> concerned) since it doesn't appear if "busybox ifconfig" (or just
> ifconfig) is run. I know with most embedded systems mdev is used to do
> the mappings for the interface however it doesn't appear android uses
> mdev. My question is how does Android do the equilivant of mdev or
> mapping of interfaces? Or if that isn't pharse properly enough, how do
> I get this USB ethernet device to show up as an interface? I
> ultimately want these USB ethernet device to show up as "usb1" when I
> run "ifconfig" and right now it doesn't and I don't know how to get it
> to.
> 
> Thanks,
> -Ryan
> 
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> website: http://groups.google.com/group/android-kernel
> 

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