Messages in this thread | | | Date | Mon, 24 Jan 2022 07:37:16 -0800 | From | Richard Cochran <> | Subject | Re: [PATCH RFC V1 net-next 3/4] net: Let the active time stamping layer be selectable. |
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On Mon, Jan 24, 2022 at 10:28:23AM +0100, Miroslav Lichvar wrote:
> FWIW, scm_timestamping has three fields and the middle one no longer > seems to be used. If a new socket/timestamping option enabled all > three (SW, MAC, PHY) timestamps in the cmsg, I think that would be a > nice feature.
This won't work because:
- There would need to be seven^W eight, not three slots.
- Even with just three, the CMSG would have to have a bit that clearly identifies the new format.
> From an admin point of view, it makes sense to me to have an option to > disable PHY timestamps for the whole device if there are issues with > it. For debugging and applications, it would be nice to have an option > to get all of them at the same time.
Right. Those are two different use cases. The present series addresses the first one. The second one entails making a new flavor of time stamping API.
Thanks, Richard
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