Re: [Linuxptp-devel] [PATCH] Use messageLength field to detetmine suffix length

2023-06-15 Thread Richard Cochran
On Thu, Jun 15, 2023 at 05:02:14PM -0400, Dylan Robinson wrote: > I don't think I'm conflating these things and the problem exists merely > with properly padded packets. I have been trying to discuss how best to > be a robust IEEE 802.3 MAC client by examining the standards documents. I claim that

Re: [Linuxptp-devel] [PATCH] Use messageLength field to detetmine suffix length

2023-06-15 Thread Dylan Robinson
On Thu, 15 Jun 2023 12:28:10 -0700, Richard Cochran wrote: > You conflate two things: > > Padding a frame to the minimum length is one thing. > > Tacking on random proprietary cruft is quite another. > > The former in no way justifies the latter. I don't think I'm conflating these things and the p

Re: [Linuxptp-devel] [PATCH] Use messageLength field to detetmine suffix length

2023-06-15 Thread Richard Cochran
On Wed, Jun 14, 2023 at 11:48:11AM -0400, Dylan Robinson wrote: > I don't think you are appreciating how low level this transport actually > is, when a linuxptp instance sends a 44 byte sync message using the > layer-2 transport a linuxptp receiver instance will always receive a > 46 byte sync mes

Re: [Linuxptp-devel] [PATCH] Use messageLength field to detetmine suffix length

2023-06-15 Thread Richard Cochran
On Thu, Jun 15, 2023 at 07:49:58AM -0400, Dylan Robinson wrote: > 4. Enable fcs reception using the following command. There is no use case for enabling fcs. Really. (no) Thanks, Richard ___ Linuxptp-devel mailing list Linuxptp-devel@lists.sourceforg

Re: [Linuxptp-devel] LGPL way to talk to pmc

2023-06-15 Thread Erez
On Thu, 15 Jun 2023 at 06:26, Richard Cochran wrote: > On Wed, Jun 14, 2023 at 03:51:08PM +0200, Walfred Tedeschi via > Linuxptp-devel wrote: > > > Covering for Industrial/Process automation customers that are willing to > use > > PMC interface to gather status of the time synchronization for the

Re: [Linuxptp-devel] [PATCH] Use messageLength field to detetmine suffix length

2023-06-15 Thread Dylan Robinson
Here is a very simple test that can be done to demonstrate the issue with the current implementation. 1. Connect ethernet to a 802.1AS grandmaster that will win bcma. 2. Start ptp4l on interface with gPTP.cfg configuration file and stdout logging. 3. Notice everything working fine (no bad mess