From: Richard Cochran <richardcochran@gmail.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Brandon Streiff <brandon.streiff@ni.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@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>,
Erik Hons <erik.hons@ni.com>
Subject: Re: [PATCH net-next RFC 0/9] net: dsa: PTP timestamping for mv88e6xxx
Date: Sun, 3 Dec 2017 17:13:19 -0800 [thread overview]
Message-ID: <20171204011319.lkib6hor3ln5gtuc@localhost> (raw)
In-Reply-To: <20171108032327.7waxpd3thrudcxa6@localhost>
On Tue, Nov 07, 2017 at 07:23:27PM -0800, Richard Cochran wrote:
> The application does join that group on the external (slave)
> interface. I'll find out why the delay request mechanism isn't
> working...
Looking back, I now recall that the series lets the HW embed the time
stamps into the protocol buffers. In the case of UDP, this
invalidates the checksum unless the HW corrects it. I'll bet that is
what is happening...
Thanks,
Richard
prev parent reply other threads:[~2017-12-04 1:13 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
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 [this message]
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