[ECOS] Problems initializing eth0 interface

Bruno Ricci amraam83@gmail.com
Wed Jul 15 09:59:00 GMT 2009


Anyone? Thanks! :)

On Tue, Jul 14, 2009 at 9:55 AM, Bruno Ricci<amraam83@gmail.com> wrote:
> Hi again,
>
> I tried the same configuration with RTL8139 chip and without removing
> any package (I managed to have a pc with that chip) with no luck. Here
> some screenshots:
>
> http://files.getdropbox.com/u/1493094/ecos1.jpg
> http://files.getdropbox.com/u/1493094/ecos2.jpg
>
> Notice that my program only initializes the network card, and that
> there's a 20 sec sleep between the two screenshots. I tried to set a
> static IP, but I keep on having that SIOCIFADDR error.
>
> Thanks again for support
>
> Bruno
>
> On Tue, Jul 14, 2009 at 9:13 AM, Andrew Lunn <andrew@lunn.ch> wrote:
>>
>> On Mon, Jul 13, 2009 at 04:40:34PM +0200, Bruno Ricci wrote:
>> > Hi all,
>> >
>> > I'm trying to build eCos to be run on VirtualBox, which has an AMD
>> > PCNET network card. I made an i386 target with i82559 and the "net"
>> > package, and I removed:
>> >
>> > -CYGPKG_DEVS_ETH_INTEL_I82559
>> > -CYGPKG_DEVS_ETH_I386_PC_I82559
>> >
>> > and added the package CYGPKG_DEVS_ETH_AMD_PCNET to adapt this
>> > configuration with VirtualBox environment. I tried to run several
>> > tests (i.e. ping, ...) but I found out that the variable
>> > CYGHWR_NET_DRIVER_ETH0 is never initialized.
>>
>> Ethernet drivers generally come in two parts. There is a generic
>> chipset part, which can be used for all platforms and there is a
>> platform specific part, which ties the generic part to the specific
>> hardware target. That is why you had to remove two I82559
>> packages. You would similarly need to add two PCNET packages to make
>> that work. Unfortunately, it looks like nobody has made the PCNET
>> driver work in a PC target:
>>
>> packages/devs/eth/i386/pc$ ls -l
>> total 20
>> drwxr-xr-x 2 lunn lunn 4096 May 17  2007 CVS/
>> drwxr-xr-x 4 lunn lunn 4096 May 17  2007 i82544/
>> drwxr-xr-x 4 lunn lunn 4096 May 17  2007 i82559/
>> drwxr-xr-x 4 lunn lunn 4096 May 17  2007 lancepci/
>> drwxr-xr-x 4 lunn lunn 4096 May 17  2007 rltk8139/
>>
>> > Any suggestion (even for another ethernet card like Broadcom
>> > BCM5906M, Intel PRO/1000 MT Desktop, Intel PRO/1000 T SERVER or
>> > INTEL PRO/1000 MT SERVER)?
>>
>> See the above list.
>>
>>    Andrew
>

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