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From: tedheadster <tedheadster@gmail.com>
To: Richard Cochran <richardcochran@gmail.com>
Cc: Shawn Bohrer <shawn.bohrer@gmail.com>,
	Hadar Hen Zion <hadarh@mellanox.com>,
	Or Gerlitz <ogerlitz@mellanox.com>,
	Amir Vadai <amirv@mellanox.com>, netdev <netdev@vger.kernel.org>,
	tomk@rgmadvisors.com, Shawn Bohrer <sbohrer@rgmadvisors.com>
Subject: Re: mlx4_en SIOCSHWTSTAMP cycles the link
Date: Tue, 17 Dec 2013 07:06:38 -0500	[thread overview]
Message-ID: <CAP8WD_b10d+W8YAtRYW9hGjOkZYq54dJsTiYqocz83tk3zZnRQ@mail.gmail.com> (raw)
In-Reply-To: <20131217114455.GC5307@netboy>

> After hacking around the SIOCSHWTSTAMP issue I've noticed that ptp4l
> synchronizes the PHC, however there must be another bug somewhere
> because it creates a 35 second offset from the PTP master.

There is an option to ptp4l to account for this. You would use "-O 35"
when starting ptp4, or perhaps '-O -35' (I forget exactly).

- Matthew

  reply	other threads:[~2013-12-17 12:06 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-11 18:24 [PATCH RFC] mlx4_en: Add PTP hardware clock Shawn Bohrer
2013-12-11 18:54 ` Richard Cochran
2013-12-11 21:28   ` Shawn Bohrer
2013-12-12  9:50     ` Hadar Hen Zion
2013-12-12 15:28       ` Shawn Bohrer
2013-12-16 23:34         ` mlx4_en SIOCSHWTSTAMP cycles the link Shawn Bohrer
2013-12-17 11:26           ` Richard Cochran
2013-12-17 19:54             ` Shawn Bohrer
2013-12-17 11:44           ` Richard Cochran
2013-12-17 12:06             ` tedheadster [this message]
2013-12-11 20:47 ` [PATCH RFC] mlx4_en: Add PTP hardware clock Or Gerlitz
2013-12-11 21:23   ` Shawn Bohrer
2013-12-11 21:35 ` Ben Hutchings

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