On Mon, 17 Apr 2023 02:53:13 +0000 Zulkifli, Muhammad Husaini wrote: > Are you observing similar issue like below? > ptp4l: timed out while polling for tx timestamp > ptp4l: increasing tx_timestamp_timeout may correct this issue > > If yes, only TXSTAMPO register is used for both PTP and non-PTP packets in > the current driver code. There is a possibility that the time stamp > for a PTP packet will be lost when there is a lot of traffic when multiple > applications request for hardware transmission timestamps. > Few months back, I submitted a patch series to enable the DMA > Timestamp for non-ptp packet which can resolve the above issue. > https://lore.kernel.org/netdev/20221018010733.4765-1-muhammad.husaini.zulkifli@xxxxxxxxx/T/ > Will continuing back the activity soon. FWIW the work on selecting the source of the timestamp is progressing slowly: https://lore.kernel.org/all/20230406173308.401924-1-kory.maincent@xxxxxxxxxxx/
