Re: [Linuxptp-devel] transportSpecific field

2016-07-20 Thread Richard Cochran
On Wed, Jul 20, 2016 at 02:19:11PM +, Jesuiter, Henry (ALC NetworX GmbH) wrote: > In fact we have a project here, that uses such mixed-mode network (some > devices set that bit, other don't). > To distinguish between gPTP and PTP one could just use the additional > information about the

Re: [Linuxptp-devel] transportSpecific field

2016-07-20 Thread Jesuiter, Henry (ALC NetworX GmbH)
> We don't support the hardwareCompatibility bit. It conflicts with > gPTP according to 802.1AS. It is hack (I guess for a particular > vendor) for compatitibiliy with some legacy PTP Version 1 hardware. > Why on earth would you want it? Thank you for your quick answer. In fact we have a

Re: [Linuxptp-devel] transportSpecific field

2016-07-20 Thread Richard Cochran
On Wed, Jul 20, 2016 at 10:03:52AM +, Jesuiter, Henry (ALC NetworX GmbH) wrote: > according to IEEE 1588-2008 Annex D.4 it is possible to set the > transport specific bit to signal that PTP event (and Announce) > messages have to be padded. Now we are discussing here, if that > consequently