Hi, Hi,
ptptimescale is bit 3 in the second octet of the flagField in the header. True for PTP timescale and FALSE for ARB. utcreasonable is a PTPv1 field in the Sync and Delay_Req message that doesn't exist in PTPv2. Regards Dennis -----Original Message----- From: Patrick Nowak <patrick.no...@nordsys.de> Sent: Wednesday, 27 May 2020 18:38 To: Richard Cochran <richardcoch...@gmail.com> Cc: linuxptp-users@lists.sourceforge.net Subject: Re: [Linuxptp-users] PTP UTC Reasonable flag in Announce Message This seems to be a term defined in the Wireshark PTP protocol implementation (https://wiki.wireshark.org/Protocols/ptp). It looks like this is transported inside the flags of the PTP message header, responding to bit 3 of the flags field. Does this mean anything to you? The Windows documentation states that the flags PTP_TIMESCALE and PTP_UTC_REASONABLE have to be non-zero in an announce message from a PTP master. Best regards, Patrick -----Ursprüngliche Nachricht----- Von: Richard Cochran <richardcoch...@gmail.com> Gesendet: Mittwoch, 27. Mai 2020 18:27 An: Patrick Nowak <patrick.no...@nordsys.de> Cc: linuxptp-users@lists.sourceforge.net Betreff: Re: [Linuxptp-users] PTP UTC Reasonable flag in Announce Message On Wed, May 27, 2020 at 11:15:35AM +0000, Patrick Nowak wrote: > I am currently using linuxptp on multiple machines. We're required to > integrate a Windows machine into this setup, thus I am currently trying to > setup PTP on this machine with the new PTP capability integrated in version > 1809. The validation guide (https://aka.ms/PTPValidation) states that the > flag PTP_TIMESCALE and PTP_UTC_REASONABLE must be non-zero for the Windows > PTP slave implementation to work. Debugging the announce messages from my > linuxptp Grand Master however shows that the flag PTP_UTC_REASONABLE is set > to 'false' which tends me to believe that this is the reason why the PTP > slave implementation in Windows is currently not working for me. I have not heard of PTP_UTC_REASONABLE. Sorry, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
