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Date: Thu, 17 Jun 2010 11:29:34 -0700
Message-ID: <AANLkTimW6Nxu9KKl5QGYkwiz9f6xiQWEoOUhOYz-guYq@mail.gmail.com>
From: Jack Vogel <jfvogel@gmail.com>
To: Alexander Sack <pisymbol@gmail.com>
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Cc: Juli Mallett <jmallett@freebsd.org>, freebsd-net@freebsd.org,
	Andrew Boyer <aboyer@averesystems.com>
Subject: Re: Dual-rate transceivers with ixgbe?
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I have been working on this this morning, and I have a way of doing the same
thing
you do with ethtool on Linux, I should have something in HEAD shortly. This
will
let you "force" the advertisement of the link to 1G only.

Jack


On Thu, Jun 17, 2010 at 3:16 AM, Alexander Sack <pisymbol@gmail.com> wrote:

> On Wed, Jun 16, 2010 at 8:14 PM, Jack Vogel <jfvogel@gmail.com> wrote:
> > You cannot force the link speed, but my validation engineer just checked
> the
> > current driver and it links down to 1G just fine,  but you cannot do it
> > manually,
> > it is only negotiated.
> >
> > I am going to look at the code to add the manual control.
>
> Thanks Jack!  The problem is that right now the card is connected to a
> passive tap and there is no AN.  When I do ifconfig ix0 down &&
> ifconfig ix0 up, the multispeed fiber logic goes into action but a
> link never happens (it does for 10G but there is no AN on 10G so this
> is expected).   (I tried various settings for LMS bits in AUTOC but I
> could not get a link - the datasheet is very vague - actually come to
> think of it, I dont think I tried setting it to 0 which is 1G which
> maybe the trick)
>
> -aps
>