APPLIED: [PATCH 0/1] [SRU][jammy:intel-iotg/intel-iot-realtime] TSN - Cache HW timestamp

[Philip Cox]

On Thu, Jun 8, 2023 at 3:12 PM Philip Cox <philip.cox at canonical.com> wrote:

>
> BugLink: https://bugs.launchpad.net/bugs/2023325
>
> SRU Justification:
>
> [Impact]
> In the i225/TSN driver the HW timestamp needs to be saved.
>
>
> [Fix]
> Enable the Rx HW timestamp for the TSN driver.
>
> [Test Plan]
> Intel ahs tested this patch, and passed it along.
>
> I am not able to test the TSN networking, but I've tested other networking
> with this code, and did not see any other networking related regressions.
>
> [Where problems could occur]
> The patch is fairly narrow, as it is only saving a timestamp.  And this
> code only caches a timestamp inside an existing struct, the risk of a
> regression should be fairly low.
>
> When the SAUCE patch eventually makes it into the upstream kernel, we
> should cherry-pick the upstreamed version.
>
> This may cause a problem if other commits make it into the kernel via the
> SRU process which conflict with the SAUCE patch.  But, as the TSN patches
> likely won't be picked in to the SRU stable kernes, this risk is fairly low
> as well.
>
>
> -----
>
> mohd faizal abdul rahim (1):
>   UBUNTU: SAUCE: (no-up) igc: Add RX HW timestamp to support XDP zero
>     copy
>
>  drivers/net/ethernet/intel/igc/igc_main.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> --
> 2.34.1
>
>
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