[Intel-wired-lan] [PATCH next-queue v2 3/3] igc: Add support for PTP getcrosststamp()

Richard Cochran richardcochran at gmail.com
Sat Nov 14 02:57:04 UTC 2020


On Fri, Nov 13, 2020 at 11:10:58AM -0800, Vinicius Costa Gomes wrote:
> I am proposing a series that adds support for PCIe PTM (for the igc
> driver), exporting the values via the PTP_SYS_OFFSET_PRECISE ioctl().
> 
> The way PTM works in the NIC I have, kind of forces me to start the PTM
> dialogs during initialization, and they are kept running in background,
> what the _PRECISE ioctl() does is basically collecting the most recent
> measurement.

What is a PTM?  Why does a PTM have dialogs?  Can it talk?

Forgive my total ignorance!

Thanks,
Richard


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