ron_mad...@sbcglobal.net wrote: > --- On Thu, 7/16/09, Ben Warren <biggerbadder...@gmail.com> wrote: > > >> From: Ben Warren <biggerbadder...@gmail.com> >> Subject: Re: [U-Boot] Initial environment variables >> To: "Ron Madrid" <ron_mad...@sbcglobal.net> >> Cc: u-boot@lists.denx.de, "Mike Frysinger" <vap...@gentoo.org> >> Date: Thursday, July 16, 2009, 2:08 PM >> Ron Madrid wrote: >> >>> --- On Thu, 7/16/09, Mike Frysinger <vap...@gentoo.org> >>> >> wrote: >> >>> >>> >>>> the board maintainer decides the default env >>>> >> values, not >> >>>> board users. Ben's comment was probably on >>>> >> the assumption that you are in the >> >>>> latter category. >>>> >>>> >>> Ah, that could be why. Thankfully I am the >>> >> maintainer for the board. So I >> >>> am going to assume then that it would be OK for me to >>> >> add these variable >> >>> settings to my board's include/configs file and submit >>> >> a patch for it, >> >>> unless I here other objections. >>> >>> Ron >>> >>> >> No, there should be no default net parameters, because >> you're making likely-bogus assumptions about the network >> that your board's going to go into. Just because your >> LAN uses '192.168.0.x' doesn't mean anybody else's >> does. It's even worse for MAC addresses - what if I >> buy two of your boards and plug them into the same >> switch? If the addresses are identical all sorts of >> bad things can happen. Not to mention that public MAC >> addresses are assigned (and paid for) and should be >> guaranteed to be unique. And private (bit 41 set) >> addresses are used in many different ways. One systems >> company that I worked at would program these dynamically >> based on which shelf/slot the board was plugged into. >> It's best to fail loudly (a printf stating that MAC >> addresses haven't been programmed) than to silently cause >> network issues. I could go on and on, but hopefully >> you get the point. >> > > I do understand your points. I am confused then as to why there are > around 100 different board configurations that include these variables. > > Ron > > Sorry, before my time :) They should be cleaned up.
regards, Ben _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
