From: Andrew Lunn <andrew@lunn.ch>
To: Brandon Streiff <brandon.streiff@ni.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Florian Fainelli <f.fainelli@gmail.com>,
Vivien Didelot <vivien.didelot@savoirfairelinux.com>,
Richard Cochran <richardcochran@gmail.com>,
Erik Hons <erik.hons@ni.com>
Subject: Re: [PATCH net-next RFC 2/9] net: dsa: mv88e6xxx: expose switch time as a PTP hardware clock
Date: Thu, 28 Sep 2017 18:56:43 +0200 [thread overview]
Message-ID: <20170928165643.GB14940@lunn.ch> (raw)
In-Reply-To: <1506612341-18061-3-git-send-email-brandon.streiff@ni.com>
On Thu, Sep 28, 2017 at 10:25:34AM -0500, Brandon Streiff wrote:
> This patch adds basic support for exposing the 32-bit timestamp counter
> inside the mv88e6xxx switch code as a ptp_clock.
>
> Signed-off-by: Brandon Streiff <brandon.streiff@ni.com>
> ---
> drivers/net/dsa/mv88e6xxx/Kconfig | 10 +++
> drivers/net/dsa/mv88e6xxx/Makefile | 1 +
> drivers/net/dsa/mv88e6xxx/chip.c | 20 +++++
> drivers/net/dsa/mv88e6xxx/chip.h | 16 ++++
> drivers/net/dsa/mv88e6xxx/ptp.c | 180 +++++++++++++++++++++++++++++++++++++
> drivers/net/dsa/mv88e6xxx/ptp.h | 83 +++++++++++++++++
> 6 files changed, 310 insertions(+)
> create mode 100644 drivers/net/dsa/mv88e6xxx/ptp.c
> create mode 100644 drivers/net/dsa/mv88e6xxx/ptp.h
>
> diff --git a/drivers/net/dsa/mv88e6xxx/Kconfig b/drivers/net/dsa/mv88e6xxx/Kconfig
> index 1aaa7a9..ae9e7f7 100644
> --- a/drivers/net/dsa/mv88e6xxx/Kconfig
> +++ b/drivers/net/dsa/mv88e6xxx/Kconfig
> @@ -18,3 +18,13 @@ config NET_DSA_MV88E6XXX_GLOBAL2
>
> It is required on most chips. If the chip you compile the support for
> doesn't have such registers set, say N here. In doubt, say Y.
> +
> +config NET_DSA_MV88E6XXX_PTP
> + bool "PTP support for Marvell 88E6xxx"
> + default n
> + depends on NET_DSA_MV88E6XXX_GLOBAL2
> + imply NETWORK_PHY_TIMESTAMPING
Hi Brandon
Cool to see this code.
One probably dumb question so far..
It is the MAC which is doing the time stamping, not they PHY?
So why NETWORK_PHY_TIMESTAMPING?
Andrew
next prev parent reply other threads:[~2017-09-28 16:56 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-28 15:25 [PATCH net-next RFC 0/9] net: dsa: PTP timestamping for mv88e6xxx Brandon Streiff
2017-09-28 15:25 ` [PATCH net-next RFC 1/9] net: dsa: mv88e6xxx: add accessors for PTP/TAI registers Brandon Streiff
2017-09-28 16:29 ` Vivien Didelot
2017-10-08 14:32 ` Richard Cochran
2017-09-28 15:25 ` [PATCH net-next RFC 2/9] net: dsa: mv88e6xxx: expose switch time as a PTP hardware clock Brandon Streiff
2017-09-28 16:56 ` Andrew Lunn [this message]
2017-09-29 15:28 ` Brandon Streiff
2017-10-08 11:59 ` Richard Cochran
2017-09-28 17:03 ` Andrew Lunn
2017-09-29 15:17 ` Brandon Streiff
2017-10-08 12:07 ` Richard Cochran
2017-10-08 14:52 ` Richard Cochran
2017-09-28 15:25 ` [PATCH net-next RFC 3/9] net: dsa: mv88e6xxx: add support for GPIO configuration Brandon Streiff
2017-09-28 17:45 ` Florian Fainelli
2017-09-28 18:01 ` Andrew Lunn
2017-09-28 19:57 ` Vivien Didelot
2017-09-29 15:30 ` Brandon Streiff
2017-09-28 15:25 ` [PATCH net-next RFC 4/9] net: dsa: mv88e6xxx: add support for event capture Brandon Streiff
2017-10-08 15:06 ` Richard Cochran
2017-10-09 22:08 ` Levi Pearson
2017-10-10 1:53 ` Richard Cochran
2017-09-28 15:25 ` [PATCH net-next RFC 5/9] net: dsa: forward hardware timestamping ioctls to switch driver Brandon Streiff
2017-09-28 17:25 ` Florian Fainelli
2017-10-08 13:12 ` Richard Cochran
2017-09-28 19:31 ` Vivien Didelot
2017-09-28 15:25 ` [PATCH net-next RFC 6/9] net: dsa: forward timestamping callbacks to switch drivers Brandon Streiff
2017-09-28 17:40 ` Florian Fainelli
2017-09-29 15:30 ` Brandon Streiff
2017-09-28 15:25 ` [PATCH net-next RFC 7/9] ptp: add offset for reserved field to header Brandon Streiff
2017-09-28 15:25 ` [PATCH net-next RFC 8/9] net: dsa: mv88e6xxx: add rx/tx timestamping support Brandon Streiff
2017-10-08 14:24 ` Richard Cochran
2017-10-08 15:12 ` Richard Cochran
2017-10-08 15:29 ` Richard Cochran
2017-09-28 15:25 ` [PATCH net-next RFC 9/9] net: dsa: mv88e6xxx: add workaround for 6341 timestamping Brandon Streiff
2017-09-28 17:36 ` [PATCH net-next RFC 0/9] net: dsa: PTP timestamping for mv88e6xxx Andrew Lunn
2017-09-28 17:51 ` Florian Fainelli
2017-09-29 15:34 ` Brandon Streiff
2017-09-29 9:43 ` Richard Cochran
2017-10-08 15:38 ` Richard Cochran
2017-11-06 14:55 ` Richard Cochran
2017-11-06 15:04 ` Andrew Lunn
2017-11-07 18:15 ` Richard Cochran
2017-11-07 18:13 ` Richard Cochran
2017-11-07 20:56 ` Brandon Streiff
2017-11-08 0:09 ` Andrew Lunn
2017-11-08 3:02 ` Andrew Lunn
2017-11-08 3:23 ` Richard Cochran
2017-12-04 1:13 ` Richard Cochran
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170928165643.GB14940@lunn.ch \
--to=andrew@lunn.ch \
--cc=brandon.streiff@ni.com \
--cc=davem@davemloft.net \
--cc=erik.hons@ni.com \
--cc=f.fainelli@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=richardcochran@gmail.com \
--cc=vivien.didelot@savoirfairelinux.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).