Re: [Linuxptp-users] Intel i210 PTP HW timestamping not supported

[Richard C. <ric...@gm...>]

On Mon, Apr 10, 2023 at 10:31:05PM +1000, Aris Theocharides via Linuxptp-users wrote:

> Intel Module (from SF, v 5.13.16):

Can't comment on that, since not mainline linux.

> Debian 12 Kernel Module (based on Linux 6.1.20 kernel, modified by Debian):
> 
> > filename:       /lib/modules/6.1.20-rt8/kernel/drivers/net/ethernet/intel/igb/igb.ko

Hm, Debian is shipping a PREEMPT_RT kernel?  That is news to me.

> root@controller:~/proj/igb-5.13.16/src# ptp4l -i enp3s0 -m -2 -H
> ptp4l[11754.773]: selected /dev/ptp0 as PTP clock
> ptp4l[11754.818]: port 1 (enp3s0): INITIALIZING to LISTENING on INIT_COMPLETE
> ptp4l[11754.818]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on INIT_COMPLETE
> ptp4l[11754.819]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on INIT_COMPLETE
> ptp4l[11760.857]: port 1 (enp3s0): LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
> ptp4l[11760.857]: selected local clock 6cb311.fffe.663910 as best master
> ptp4l[11760.857]: port 1 (enp3s0): assuming the grand master role
> ptp4l[11761.868]: timed out while polling for tx timestamp
> ptp4l[11761.868]: increasing tx_timestamp_timeout may correct this issue, but it is likely caused by a driver bug

Did you try this?   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

> AVNU Module (from AVNU):
> 
> > filename:       /lib/modules/6.1.20-rt8/kernel/drivers/net/igb_avb/igb_avb.ko
> > version:        5.3.2_AVB

Can't comment on that, since not mainline linux.  IMHO avnu driver
stuff is of dubious quality.

Thanks,
Richard