Re: [PATCH net-next 1/2] net: dsa: mv88e6xxx: use ARRIVAL1 counter for all peer delay messages

From: Andrew Lunn

Date: Fri Jul 03 2026 - 11:14:44 EST


On Fri, Jul 03, 2026 at 04:41:58PM +1000, Luke Howard wrote:
> mv88e6xxx switches have two arrival timestamp counters for timestamping
> PTP event messages. This permits more than one arriving event message's
> timestamp to be captured. This is useful for the case where event
> messages from a grandmaster arrive at the same time as PDelayReq/PDelayResp
> messages from a peer.
>
> Previously only PDelayResp messages were assigned to the second arrival
> counter; this patch does so for PDelayReq messages as well.
>
> Signed-off-by: Luke Howard <lukeh@xxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

Andrew