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SubjectRe: [PATCH net-next v7 15/16] net: ethtool: ts: Let the active time stamping layer be selectable
On Mon, 20 Nov 2023 16:23:16 +0200 Vladimir Oltean wrote:
> In previous email discussions, I was proposing to Jakub and you "what if
> we didn't let user space select a specific layer like PHY_TIMESTAMPING
> or MAC_TIMESTAMPING at all, but just select a specific phc_index as the
> provider of hardware timestamps"?

What about my use case of having a NIC which can stamp at a low rate
at the PHY (for PTP) and high rate at the DMA block (for congestion
control)? Both stamp points have the same PHC index.

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