On Mon, Sep 25, 2023 at 02:36:35PM +0100, Fernando Gomes wrote:
> Is there a list of hardware that can be used with linuxptp to do
> timestamping at the hardware level (on PHY or on MAC)? There are some phys
> that support it, like the Vitesse / Microchip, etc., but is there a
> compatibility list available?
I used to maintain a list of hardware, but I gave that up years ago
when the number of products became too large. Nowadays most new MACs
have PTP support.
The easiest way to find out your MAC's capabilities is:
ethtool -T eth0
For PHYs, the main issue is that the Linux networking stack doesn't
treat MACs and PHYs equally. If you really need to use a PTP PHY,
then you will likely have to configure and even patch your kernel
specifically for your hardware.
HTH,
Richard
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