Re: [Linuxptp-users] PTP follow up

[Dale S. <dal...@gm...>]

On Wed, Aug 3, 2016 at 6:32 AM, Richard Cochran <ric...@gm...>
wrote:

> On Tue, Aug 02, 2016 at 07:02:12PM +0200, Richard Cochran wrote:
> > struct dataset {
> >       UInteger8            priority1;     // GM, from the announce
> message
> >       struct ClockIdentity identity;      // GM, from the announce
> message
> >       struct ClockQuality  quality;       // GM, from the announce
> message
> >       UInteger8            priority2;     // GM, from the announce
> message
> >       UInteger16           stepsRemoved;  // announce message
> >       struct PortIdentity  sender;        // sourcePortIdentity (of the
> announce)
> >       struct PortIdentity  receiver;      // parentDS.portIdentity
> (upstream port ID)
>
> NOT! ......................................... ^^^^^^^^
>
> There is a typo in 1588.  They wrote parentDS when they really meant
> portDS.  Comparing with 802.1AS, the latter standard leaves out the
> clockIdentity part of the portIdentity, using only the portNumber.
>

Are you talking about Table 12 on page 83,  Section 9.3.4?   I don't see
that listed in the "Interpretations"  at
http://standards.ieee.org/findstds/interps/1588-2008.html

Perhaps you should submit the discrepancy?

Thanks,
   -Dale