[U-Boot] [PATCH 2/9] mvgbe: Support preserving the existing MAC address

Wolfgang Denk wd at denx.de
Mon Apr 25 01:50:37 CEST 2011


Dear Michael Spang,

In message <1300391223-11879-3-git-send-email-mspang at csclub.uwaterloo.ca> you wrote:
> The MVGBE driver either gets the MAC from the environment, or invents
> one. This allows the driver to leave the existing address alone in
> case it is initialized before U-Boot starts.

Who or what would be doing that?

>  		while (!eth_getenv_enetaddr(s, dev->enetaddr)) {
> +#if defined(CONFIG_PRESERVE_LOCAL_MAC)
> +			port_uc_addr_get(dmvgbe->regs, dmvgbe->dev.enetaddr);
> +#else

For consistency, should this not be 

	port_uc_addr_get(dmvgbe->regs, dev->enetaddr);

?


>  			/* Generate Private MAC addr if not set */
>  			dev->enetaddr[0] = 0x02;
>  			dev->enetaddr[1] = 0x50;
> @@ -734,6 +753,7 @@ error1:
>  			dev->enetaddr[4] = get_random_hex();
>  			dev->enetaddr[5] = get_random_hex();
>  #endif
> +#endif
>  			eth_setenv_enetaddr(s, dev->enetaddr);
>  		}

And please add documentation for the new CONFIG_PRESERVE_LOCAL_MAC to
the README.

Best regards,

Wolfgang Denk

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