Re: Management PMA/PMD registers for XAUI
I agree that more registers are not required. I just wanted to be clear
what is expected.
Thanks,
justin
pat_thaler@xxxxxxxxxxx wrote:
>
> Boaz,
>
> There aren't any separate PMA registers. They are PMA/PMD registers and the
> bits in them that apply to 10GBASE-X largely relate to PMD functionality.
> The one bit that is specifically PMA is 1.1.2 receive link status which
> tells whether the PMA is locked. XGXS has lane sync bits and I don't think
> it needs a separate lock bit.
>
> Pat
>
> -----Original Message-----
> From: Boaz Shahar [mailto:boazs@xxxxxxxxxxxx]
> Sent: Tuesday, April 10, 2001 11:23 AM
> To: 'THALER,PAT (A-Roseville,ex1)'; Justin Gaither; 802.3ae
> Subject: RE: Management PMA/PMD registers for XAUI
>
> Pat,
> The XGXS layer implements all the functions that are associated with both
> the 10GBASE-X PCS and 10GBASE-X PMA defined in clause 48. If in the XGXS
> case there is no need for the implementation of the PMA registers (And I
> think that there is NO need for that), why it is needed in the case of
> 10GBASE-X PMA?
> Boaz
>
> > -----Original Message-----
> > From: THALER,PAT (A-Roseville,ex1) [mailto:pat_thaler@xxxxxxxxxxx]
> > Sent: Tuesday, April 10, 2001 7:58 PM
> > To: Justin Gaither; 802.3ae
> > Subject: RE: Management PMA/PMD registers for XAUI
> >
> >
> >
> > Justin,
> >
> > As currently defined, there is only a single PMA in the stack which is
> > attached to the PMD. An XGXS doesn't have a separate PMA
> > sublayer. I think
> > we should leave it that way. We already fragment the physical
> > layer into a
> > lot of sublayers.
> >
> > Regards,
> > Pat
> >
> > -----Original Message-----
> > From: Justin Gaither [mailto:jgaither@xxxxxxxxxxxxxxx]
> > Sent: Tuesday, April 10, 2001 7:19 AM
> > To: 802.3ae
> > Subject: Management PMA/PMD registers for XAUI
> >
> >
> >
> > When a 10GBase-X PCS is being used as a PHY XGXS, it has a XAUI PMA.
> > Should this PMA have all of the Management registers
> > specified (ie. 1.0,
> > 1.1, 1.2&1.3, 1.4, 1.5, 1.8, 1.9)? Or are these registers for the
> > PMA/PMD that actually tied to the fiber PMD?
> >
> > Regards,
> >
> > justin
> >
> > --
> > Justin Gaither Phone: 512-306-7292 x529
> > RocketChips a Division of Xilinx Fax: 512-306-7293
> > 500 N. Capital of TX Hwy.
> > Bldg 3 email: jgaither@xxxxxxxxxxxxxxx
> > Austin, TX 78746 WWW: www.rocketchips.com
> >
--
Justin Gaither Phone: 512-306-7292 x529
RocketChips a Division of Xilinx Fax: 512-306-7293
500 N. Capital of TX Hwy.
Bldg 3 email: jgaither@xxxxxxxxxxxxxxx
Austin, TX 78746 WWW: www.rocketchips.com
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