On 17/08/05, Alex Kiernan <alex.kiernan@xxxxxxxxx> wrote:
> On 16/08/05, Jeremy Katz <katzj@xxxxxxxxxx> wrote:
> > On Fri, 2005-08-12 at 13:56 +0100, Alex Kiernan wrote:
> > > + } else if (!strncmp(argv[i], "BOOTIF=", 7)) {
> > > + /* +10 so that we skip over the leading 01- */
> > > + loaderData->bootIf = strdup(argv[i] + 10);
> > > + loaderData->bootIf_set = 1;
> >
> > Where does the -01 come from? I don't see anything obvious in the
> > pxelinux source that's making me understand where it comes from and I'd
> > rather have an idea of that instead of just blindly skipping.
> >
>
> Its the hardware type (you get something along the lines of
> BOOTIF=01-00-0d-60-14-5b-a8). I guess it would be more correct to keep
> the hardware type and have the mac extraction code insert the ethernet
> type for ethernet type interfaces, then compare across the whole
> thing.
>
It looks like you can pull this from ifr.ifr_addr.sa_family, so I
guess a backward compatible way to add it would be to insert the
hardware type into the generated addresses, and if the address you're
presented with is too only 6 octets, assume hardware type 1.
--
Alex Kiernan
