[gPXE] how to change MAC address

[Marco Giunta]

Thank gui, I'm trying your patch asap ... ;-)

   Marco


Guo-Fu Tseng wrote:
> Hello Marco:
> After a little code tracing, I come up with following temporary solution:
> http://git.etherboot.org/?p=people/cooldavid/gpxe.git;a=commitdiff;h=0599c953f9ce19af96c656cff431efac50256734
>
> This patch makes tg3 driver support changing mac address with:
> set netX/mac xx:xx:xx:xx:xx:xx
>
> The legacy API does not support ifopen/ifclose, which leads this
> patch accomplish the goal by checking every outgoing packets for
> mac address changing.
>
> This patch is _NOT_EFFICIENT_ and _NOT_ELEGANT_.  But since the
> tg3 driver will be rewritten into new API, it's only a temporary
> solution.
>
> If you are in urgent to make it work, you can try it.
> But please note that this patch is not official, and
> I'm only a student of GSoC this year. :)
>
> On Wed, 05 May 2010 10:39:56 +0200, Marco Giunta wrote
>   
>> I've tried with a Broadcom BCM5751 (tg3) and with a Intel 82540EM 
>> (e1000); same result ...
>>
>>     Marco
>>
>> Joshua Oreman wrote:
>>     
>>> On Wed, May 5, 2010 at 4:34 AM, Marco Giunta <giunta at sissa.it> wrote:
>>>   
>>>       
>>>> Unfortunately, same result:
>>>>
>>>> Ethernet frame source address: original mac address
>>>>
>>>> DHCP request 'Client MAC address': modify mac address
>>>>
>>>> even if I unplug and plug again network cable ....
>>>>     
>>>>         
>>> What driver are you using? This may be a limitation of the gPXE driver
>>> for your particular network card (if it is, it's probably fixable).
>>>
>>> -- Josh
>>>
>>>       
>> -- 
>>  -----------------------------------
>> |Marco Giunta - SISSA Computer Staff|
>> |Via Beirut, 2-4                    |
>> |34151 -  Trieste, Italy            |
>> |Tel: +39-40-3787-503               |	
>> |Fax: +39-040-3787-528              |
>> |e-mail: giunta AT sissa.it         |
>>  -----------------------------------
>>
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>>     
>
>
> Guo-Fu Tseng
>
>   

-- 
 -----------------------------------
|Marco Giunta - SISSA Computer Staff|
|Via Beirut, 2-4                    |
|34151 -  Trieste, Italy            |
|Tel: +39-40-3787-503               |	
|Fax: +39-040-3787-528              |
|e-mail: giunta AT sissa.it         |
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