On Tuesday, August 23, 2011 08:11:57 AM Ajay Bhargav wrote:
> ----- "Marek Vasut" <marek.va...@gmail.com> wrote:
> > On Monday, August 22, 2011 07:11:57 AM Ajay Bhargav wrote:
> > > This patch adds support for Fast Ethernet Controller driver for
> > > Armada100 series.
> > >
> > > Signed-off-by: Ajay Bhargav <ajay.bhar...@einfochips.com>
> > > ---
> > >
> > > arch/arm/include/asm/arch-armada100/armada100.h | 1 +
> > > drivers/net/Makefile | 1 +
> > > drivers/net/armada100_fec.c | 802
> > >
> > > +++++++++++++++++++++++ drivers/net/armada100_fec.h
> > >
> > > 225 +++++++
> > >
> > > include/netdev.h | 1 +
> > > 5 files changed, 1030 insertions(+), 0 deletions(-)
> > > create mode 100644 drivers/net/armada100_fec.c
> > > create mode 100644 drivers/net/armada100_fec.h
>
> [...]
>
> > > +static u8 get_random_byte(u8 seed)
> > > +{
> > > + udelay(seed * 1000);
> > > + return (u8)(read_timer());
> >
> > Parens not needed, anyway, don't we have any better "random()" here ?
>
> I could not find random() function anywhere in the u-boot source.
>
> [...]
>
> > > + /* Generate random lower MAC half */
> > > + dev->enetaddr[3] = get_random_byte((u8)read_timer());
> > > + dev->enetaddr[4] = get_random_byte(dev->enetaddr[3]);
> > > + dev->enetaddr[5] = get_random_byte(dev->enetaddr[4]);
> > > +#endif
> >
> > Won't uboot handle this ... or aren't there some mechanisms to
> > generate random
> > MAC that can be reused?
>
> There is a program given in tools directory for generating ethernet mac
> "gen_eth_addr.c" but nothing as such in u-boot source as far as i checked.
>
> Please let me know if I missed something to check.
Hi,
I think someone NAKed this whole part with MAC randomisation and he was right
about it ... you're supposed to configure the MAC properly yourself. Cheers
>
> Thanks & Regards,
> Ajay Bhargav
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