From: Petr Machata <petrm@mellanox.com>
To: Shalom Toledo <shalomt@mellanox.com>
Cc: Richard Cochran <richardcochran@gmail.com>,
Ido Schimmel <idosch@idosch.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"davem@davemloft.net" <davem@davemloft.net>,
Jiri Pirko <jiri@mellanox.com>, mlxsw <mlxsw@mellanox.com>,
Ido Schimmel <idosch@mellanox.com>
Subject: Re: [PATCH net-next 4/9] mlxsw: reg: Add Management UTC Register
Date: Thu, 6 Jun 2019 10:12:54 +0000 [thread overview]
Message-ID: <87k1dzxbru.fsf@mellanox.com> (raw)
In-Reply-To: <98e33c30-2f9c-277a-6a6a-6d9668a6c8ba@mellanox.com>
Shalom Toledo <shalomt@mellanox.com> writes:
> On 06/06/2019 5:37, Richard Cochran wrote:
>> Okay, so then you want to convert it into TAI (for PTP) rather than UTC.
>
> No, the HW interface is in UTC format. This is part of the HW machine that
> responsible for adding the UTC time stamping on R-SPAN mirror packets.
The way I understand it is that UTC is a misnomer. We are certainly not
updating the list of leap seconds in the ASIC so that it knows how to
get to UTC. (To be clear, no such interface even exists.) But it's
called UTC in the documentation, so we want to keep the name for that
reason.
next prev parent reply other threads:[~2019-06-06 10:13 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-03 12:12 [PATCH net-next 0/9] mlxsw: Add support for physical hardware clock Ido Schimmel
2019-06-03 12:12 ` [PATCH net-next 1/9] mlxsw: cmd: Free running clock PCI BAR and offsets via query firmware Ido Schimmel
2019-06-03 12:12 ` [PATCH net-next 2/9] mlxsw: core: Add a new interface for reading the hardware free running clock Ido Schimmel
2019-06-03 12:12 ` [PATCH net-next 3/9] mlxsw: pci: Query free running clock PCI BAR and offsets Ido Schimmel
2019-06-03 12:12 ` [PATCH net-next 4/9] mlxsw: reg: Add Management UTC Register Ido Schimmel
2019-06-04 14:17 ` Richard Cochran
2019-06-05 11:30 ` Shalom Toledo
2019-06-05 17:23 ` Richard Cochran
2019-06-05 18:55 ` Shalom Toledo
2019-06-06 2:37 ` Richard Cochran
2019-06-06 9:11 ` Shalom Toledo
2019-06-06 10:12 ` Petr Machata [this message]
2019-06-03 12:12 ` [PATCH net-next 5/9] mlxsw: reg: Add Management Pulse Per Second Register Ido Schimmel
2019-06-03 12:12 ` [PATCH net-next 6/9] ptp: ptp_clock: Publish scaled_ppm_to_ppb Ido Schimmel
2019-06-04 14:21 ` Richard Cochran
2019-06-05 11:46 ` Shalom Toledo
2019-06-03 12:12 ` [PATCH net-next 7/9] mlxsw: spectrum_ptp: Add implementation for physical hardware clock operations Ido Schimmel
2019-06-04 14:28 ` Richard Cochran
2019-06-05 6:30 ` Jiri Pirko
2019-06-05 17:24 ` Richard Cochran
2019-06-05 11:44 ` Shalom Toledo
2019-06-05 17:40 ` Richard Cochran
2019-06-05 19:28 ` Shalom Toledo
2019-06-06 2:43 ` Richard Cochran
2019-06-06 8:50 ` Shalom Toledo
2019-06-06 8:57 ` Shalom Toledo
2019-06-04 17:03 ` Richard Cochran
2019-06-05 9:00 ` Petr Machata
2019-06-05 17:31 ` Richard Cochran
2019-06-06 10:21 ` Petr Machata
2019-06-03 12:12 ` [PATCH net-next 8/9] mlxsw: spectrum: PTP physical hardware clock initialization Ido Schimmel
2019-06-03 12:12 ` [PATCH net-next 9/9] selftests: ptp: Add Physical Hardware Clock test Ido Schimmel
2019-06-04 17:05 ` Richard Cochran
2019-06-07 11:15 ` Vladimir Oltean
2019-06-08 10:44 ` Vladimir Oltean
2019-06-11 13:54 ` Shalom Toledo
2019-06-03 17:35 ` [PATCH net-next 0/9] mlxsw: Add support for physical hardware clock David Miller
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