Messages in this thread | | | Date | Sun, 3 Dec 2017 17:13:19 -0800 | From | Richard Cochran <> | Subject | Re: [PATCH net-next RFC 0/9] net: dsa: PTP timestamping for mv88e6xxx |
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On Tue, Nov 07, 2017 at 07:23:27PM -0800, Richard Cochran wrote: > The application does join that group on the external (slave) > interface. I'll find out why the delay request mechanism isn't > working...
Looking back, I now recall that the series lets the HW embed the time stamps into the protocol buffers. In the case of UDP, this invalidates the checksum unless the HW corrects it. I'll bet that is what is happening...
Thanks, Richard
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