Re: [Linuxptp-devel] 802.1AS Time-Aware Bridge

2017-03-31 Thread Burkhard Ilsen
Thank you Richard for your help. > So we don't actually support TC or TAB. Those patches were only a rudimentary proof of concept. Did you see the TODO list? Yes, I saw it and I am looking forward to 2.0. Until then I stick with an endpoint only implementation. In fact the differentiation of L

Re: [Linuxptp-devel] 802.1AS Time-Aware Bridge

2017-03-27 Thread Richard Cochran
On Mon, Mar 27, 2017 at 12:32:46PM +0200, Burkhard Ilsen wrote: > My use case is a bridged end-station, i.e. a time-aware bridge with an > application that needs to be synchronized. So we don't actually support TC or TAB. Those patches were only a rudimentary proof of concept. Did you see the T

Re: [Linuxptp-devel] 802.1AS Time-Aware Bridge

2017-03-27 Thread Burkhard Ilsen
>> According to 802.1 AS all message timestamps shall be based on a free >> running clock (LocalClock) in order to minimize the errors resulting from a >> varying clock frequency. >> Also phase discontinuities in the pdelay_resp(fup) messages are avoided this >> way. >> So the SlaveClock control

Re: [Linuxptp-devel] 802.1AS Time-Aware Bridge

2017-03-27 Thread Richard Cochran
On Mon, Mar 27, 2017 at 10:45:16AM +0200, Burkhard Ilsen wrote: > On Thu, Sep 15, 2016 at 08:55:34PM +, Richard Cochran wrote: > > So I do want to have TC/TAB in linuxptp for version 2.0. > > According to 802.1 AS all message timestamps shall be based on a free running > clock (LocalClock) in

Re: [Linuxptp-devel] 802.1AS Time-Aware Bridge

2017-03-27 Thread Burkhard Ilsen
Hello, On Thu, Sep 15, 2016 at 08:55:34PM +, Richard Cochran wrote: > So I do want to have TC/TAB in linuxptp for version 2.0. According to 802.1 AS all message timestamps shall be based on a free running clock (LocalClock) in order to minimize the errors resulting from a varying clock freq

Re: [Linuxptp-devel] 802.1AS Time-Aware Bridge

2016-09-16 Thread Richard Cochran
On Thu, Sep 15, 2016 at 10:23:31PM +, Erik Hons wrote: > Can you share the TC concept you did? And the direction you need it > to go? Yes, I will. Watch this spot! > It wouldn't happen to be this would it: > https://github.com/richardcochran/linuxptp-as/ No, that is one of three repos that

Re: [Linuxptp-devel] 802.1AS Time-Aware Bridge

2016-09-15 Thread Erik Hons
-devel] 802.1AS Time-Aware Bridge Hi Erik, I was interested in getting this working in the past but have not had a chance to dedicate the energy. What type of HW configuration are you looking at making it work with? Regards, Chris On Thu, Sep 15, 2016 at 11:51 AM, Erik Hons mailto:erik.h...@ni.com

Re: [Linuxptp-devel] 802.1AS Time-Aware Bridge

2016-09-15 Thread Erik Hons
ichardcochran/linuxptp-as/ -Original Message- From: Richard Cochran [mailto:richardcoch...@gmail.com] Sent: Thursday, September 15, 2016 3:55 PM To: Erik Hons Cc: linuxptp-devel@lists.sourceforge.net Subject: Re: [Linuxptp-devel] 802.1AS Time-Aware Bridge On Thu, Sep 15, 2016 at 06:51:35PM +00

Re: [Linuxptp-devel] 802.1AS Time-Aware Bridge

2016-09-15 Thread Richard Cochran
On Thu, Sep 15, 2016 at 06:51:35PM +, Erik Hons wrote: > Is there a technical or deliberate reason that ptp4l doesn't support > 802.1AS time-aware bridge? The only reason is that this feature would be a lot of work. > If not, would the project be open to that being contributed? (Wow, you hav