Re: Retrieving MAC address in grub2 network boot environment

[Rigoberto Corujo]

----- Original Message -----
> From: Rick Salevsky <address@hidden>
> To: address@hidden
> Cc: 
> Sent: Wednesday, May 29, 2013 9:35 AM
> Subject: Retrieving MAC address in grub2 network boot environment
> 
> Hay,
> 
> i need some help with grub2 network boot. My plan is to load different
> configs for different machines. At first I created a main grub.cfg with
> including "configfile uEFI/test.cfg" which works fine and the test.cfg
> is loading.
> 
> But now i will do something like this: "configfile uEFI/$mac.cfg".
> I once could access EFI variables, and could read out the MAC
> and make above work.
> But..., I cannot find anymore how I have done that :(
> The EFI variable including the MAC address seem to differ
> between different platforms.
> 
> The function:
> net_ls_addr
> provides:
> efinet2 MAC IP
> but I failed how to parse this in grub2 scripting.
> I couldn't find out how to assign the result of a function to variables.
> 
> Has anyone an i idea how I can resolve this?
> 
> Bye,
> -- 
> Rick Salevsky
> SUSE LINUX GmbH, Maxfeldstr. 5, D-90409 Nuernberg
> Tel: +49-911-74053-538 - address@hidden
> SUSE LINUX GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB
> 21284 (AG Nürnberg)
> 
> 
> _______________________________________________
> Help-grub mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/help-grub
> 

I had a similar question recently and the Grub 2 developers quickly implemented 
the following variables:  net_default_interface, net_default_ip, and 
net_default_mac
If you build the latest sources, you should have access to them.


Rigoberto