Re: [Linuxptp-users] Finding the Fixed offset between two Ports of the same NIC.

2022-06-29 Thread Deshpande, Yash
step 1 or is it another problem altogether? Best Regards, Yash From: Richard Cochran Sent: Tuesday, June 28, 2022 4:09:04 PM To: Deshpande, Yash Cc: Miroslav Lichvar; linuxptp-users@lists.sourceforge.net Subject: Re: [Linuxptp-users] Finding the Fixed offset b

Re: [Linuxptp-users] Finding the Fixed offset between two Ports of the same NIC.

2022-06-28 Thread Richard Cochran
On Tue, Jun 28, 2022 at 01:30:32PM +, Deshpande, Yash wrote: > I would like to ask the second part of the question once again. I > dont wish to synchronize the two ports. I know that their relative > offset is constant as they are running on the same oscillator. This > is also reported by the

Re: [Linuxptp-users] Finding the Fixed offset between two Ports of the same NIC.

2022-06-28 Thread Deshpande, Yash
ke to know this offset without running ptp4l.Is there an easier way than PPS loopback? From: Miroslav Lichvar Sent: Tuesday, May 31, 2022 2:44:27 PM To: Deshpande, Yash Cc: linuxptp-users@lists.sourceforge.net Subject: Re: [Linuxptp-users] Finding the Fixed offse

Re: [Linuxptp-users] Finding the Fixed offset between two Ports of the same NIC.

2022-05-31 Thread Miroslav Lichvar
On Tue, May 31, 2022 at 12:02:33PM +, Deshpande, Yash wrote: > However, trying to reuse the pieces of code from phc2sys.c "read_phc" did not > give satisfactory results. > I know that PPS loopback is probably the best way going forward - but i was > wondering if there is any easier and more

[Linuxptp-users] Finding the Fixed offset between two Ports of the same NIC.

2022-05-31 Thread Deshpande, Yash
Hello All, Here is my setup and what I observe: An intel i350 NIC with two RJ45 Ports is connected to a simple 4 Core PC with Linux (Ubuntu 20). A cable is connected between the two ports (this is what I call a loopback connection). When I run a PTP Source (Master) on one port and a PTP Sink