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From: Vladimir Oltean <olteanv@gmail.com>
To: Richard Cochran <richardcochran@gmail.com>
Cc: Kurt Kanzenbach <kurt@linutronix.de>,
	Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	netdev@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
	devicetree@vger.kernel.org,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Kamil Alkhouri <kamil.alkhouri@hs-offenburg.de>,
	ilias.apalodimas@linaro.org
Subject: Re: [PATCH v1 4/8] net: dsa: hellcreek: Add support for hardware timestamping
Date: Mon, 13 Jul 2020 17:12:17 +0300	[thread overview]
Message-ID: <20200713141217.ktgh5rtullmrjjsy@skbuf> (raw)
In-Reply-To: <20200713140112.GB27934@hoboy>

On Mon, Jul 13, 2020 at 07:01:12AM -0700, Richard Cochran wrote:
> On Mon, Jul 13, 2020 at 12:57:34PM +0200, Kurt Kanzenbach wrote:
> > > I would like to get some clarification on whether "SKBTX_IN_PROGRESS"
> > > should be set in shtx->tx_flags or not. On one hand, it's asking for
> > > trouble, on the other hand, it's kind of required for proper compliance
> > > to API pre-SO_TIMESTAMPING...
> > 
> > Hm. We actually oriented our code on the mv88e6xxx time stamping code base.
> 
> Where in mv88e6xxx does the driver set SKBTX_IN_PROGRESS?
> 

That's the point, it doesn't, and neither does hellcreek.

> I don't think it makes sense for DSA drivers to set this bit, as it
> serves no purpose in the DSA context.
> 

For whom does this bit serve a purpose, though, and how do you tell?

> Thanks,
> Richard

Thanks,
-Vladimir

  reply	other threads:[~2020-07-13 14:12 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-10 11:36 [PATCH v1 0/8] Hirschmann Hellcreek DSA driver Kurt Kanzenbach
2020-07-10 11:36 ` [PATCH v1 1/8] net: dsa: Add tag handling for Hirschmann Hellcreek switches Kurt Kanzenbach
2020-07-12  2:57   ` Florian Fainelli
2020-07-10 11:36 ` [PATCH v1 2/8] net: dsa: Add DSA driver " Kurt Kanzenbach
2020-07-11 20:33   ` Florian Fainelli
2020-07-13  6:30     ` Kurt Kanzenbach
2020-07-16  8:29       ` Vladimir Oltean
2020-07-16  9:23         ` Kurt Kanzenbach
2020-07-16  9:39           ` Vladimir Oltean
2020-07-16 10:06             ` Kurt Kanzenbach
2020-07-10 11:36 ` [PATCH v1 3/8] net: dsa: hellcreek: Add PTP clock support Kurt Kanzenbach
2020-07-11 20:30   ` Richard Cochran
2020-07-11 20:38   ` Florian Fainelli
2020-07-13  6:34     ` Kurt Kanzenbach
2020-07-10 11:36 ` [PATCH v1 4/8] net: dsa: hellcreek: Add support for hardware timestamping Kurt Kanzenbach
2020-07-11 20:38   ` Richard Cochran
2020-07-13  6:35     ` Kurt Kanzenbach
2020-07-13  9:57   ` Vladimir Oltean
2020-07-13 10:57     ` Kurt Kanzenbach
2020-07-13 14:01       ` Richard Cochran
2020-07-13 14:12         ` Vladimir Oltean [this message]
2020-07-13 15:38           ` Richard Cochran
2020-07-10 11:36 ` [PATCH v1 5/8] net: dsa: hellcreek: Add TAPRIO offloading support Kurt Kanzenbach
2020-07-10 11:36 ` [PATCH v1 6/8] net: dsa: hellcreek: Add PTP status LEDs Kurt Kanzenbach
2020-07-10 11:36 ` [PATCH v1 7/8] dt-bindings: Add vendor prefix for Hirschmann Kurt Kanzenbach
2020-07-11 20:11   ` Florian Fainelli
2020-07-20 22:49   ` Rob Herring
2020-07-10 11:36 ` [PATCH v1 8/8] dt-bindings: net: dsa: Add documentation for Hellcreek switches Kurt Kanzenbach
2020-07-11 20:18   ` Florian Fainelli
2020-07-13  6:45     ` Kurt Kanzenbach
2020-07-13 14:44       ` Rob Herring

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