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From: Kurt Kanzenbach <kurt@linutronix.de>
To: Vladimir Oltean <vladimir.oltean@nxp.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Xiaoliang Yang <xiaoliang.yang_1@nxp.com>,
	Rui Sousa <rui.sousa@nxp.com>,
	Claudiu Manoil <claudiu.manoil@nxp.com>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	"UNGLinuxDriver@microchip.com" <UNGLinuxDriver@microchip.com>,
	Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Michael Walle <michael@walle.cc>,
	Vinicius Costa Gomes <vinicius.gomes@intel.com>,
	Maxim Kochetkov <fido_max@inbox.ru>,
	Colin Foster <colin.foster@in-advantage.com>,
	Richie Pearn <richard.pearn@nxp.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	Jesse Brandeburg <jesse.brandeburg@intel.com>,
	Tony Nguyen <anthony.l.nguyen@intel.com>,
	Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Jose Abreu <joabreu@synopsys.com>,
	Jamal Hadi Salim <jhs@mojatatu.com>,
	Cong Wang <xiyou.wangcong@gmail.com>,
	Jiri Pirko <jiri@resnulli.us>,
	Gerhard Engleder <gerhard@engleder-embedded.com>,
	Grygorii Strashko <grygorii.strashko@ti.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net-next 08/13] net: dsa: hellcreek: deny tc-taprio changes to per-tc max SDU
Date: Mon, 19 Sep 2022 15:36:01 +0200	[thread overview]
Message-ID: <87bkrbzdtq.fsf@kurt> (raw)
In-Reply-To: <20220915115925.zujsneox4jqzod2g@skbuf>

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On Thu Sep 15 2022, Vladimir Oltean wrote:
> On Thu, Sep 15, 2022 at 08:15:54AM +0200, Kurt Kanzenbach wrote:
>> > So the maxSDU hardware register tracks exactly the L2 payload size, like
>> > the software variable does, or does it include the Ethernet header size
>> > and/or FCS?
>> 
>> This is something I'm not sure about. I'll ask the HW engineer when he's
>> back from vacation.
>
> You can also probably figure this out by limiting the max-sdu to a value
> like 200 and seeing what frame sizes pass through.

Oh, yes. I'll try that.

Thanks,
Kurt

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  reply	other threads:[~2022-09-19 13:36 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-14 15:32 [PATCH net-next 00/13] Add tc-taprio support for queueMaxSDU Vladimir Oltean
2022-09-14 15:32 ` [PATCH net-next 01/13] net/sched: taprio: remove redundant FULL_OFFLOAD_IS_ENABLED check in taprio_enqueue Vladimir Oltean
2022-09-14 15:32 ` [PATCH net-next 02/13] net/sched: taprio: stop going through private ops for dequeue and peek Vladimir Oltean
2022-09-14 15:32 ` [PATCH net-next 03/13] net/sched: taprio: add extack messages in taprio_init Vladimir Oltean
2022-09-14 15:32 ` [PATCH net-next 04/13] net/sched: taprio: allow user input of per-tc max SDU Vladimir Oltean
2022-09-14 21:43   ` Vinicius Costa Gomes
2022-09-14 22:10     ` Vladimir Oltean
2022-09-14 23:00       ` Vinicius Costa Gomes
2022-09-14 23:03         ` Vladimir Oltean
2022-09-14 23:17           ` Vinicius Costa Gomes
2022-09-14 23:03   ` Vinicius Costa Gomes
2022-09-14 23:11     ` Vladimir Oltean
2022-09-14 15:32 ` [PATCH net-next 05/13] net: dsa: felix: offload per-tc max SDU from tc-taprio Vladimir Oltean
2022-09-14 15:32 ` [PATCH net-next 06/13] net: enetc: cache accesses to &priv->si->hw Vladimir Oltean
2022-09-14 15:32 ` [PATCH net-next 07/13] net: enetc: offload per-tc max SDU from tc-taprio Vladimir Oltean
2022-09-14 15:32 ` [PATCH net-next 08/13] net: dsa: hellcreek: deny tc-taprio changes to per-tc max SDU Vladimir Oltean
2022-09-14 18:13   ` Kurt Kanzenbach
2022-09-14 18:40     ` Vladimir Oltean
2022-09-14 20:13       ` Vladimir Oltean
2022-09-15  6:15       ` Kurt Kanzenbach
2022-09-15 11:59         ` Vladimir Oltean
2022-09-19 13:36           ` Kurt Kanzenbach [this message]
2022-09-21 11:23           ` Kurt Kanzenbach
2022-09-21 11:29             ` Vladimir Oltean
2022-09-21 11:46               ` Kurt Kanzenbach
2022-09-21 14:12                 ` Vladimir Oltean
2022-09-21 14:21                   ` Vladimir Oltean
2022-09-22  8:10                     ` Kurt Kanzenbach
2022-09-14 15:32 ` [PATCH net-next 09/13] net: dsa: sja1105: " Vladimir Oltean
2022-09-14 15:33 ` [PATCH net-next 10/13] tsnep: " Vladimir Oltean
2022-09-15 19:01   ` Gerhard Engleder
2022-09-16 13:57     ` Vladimir Oltean
2022-09-16 19:53       ` Gerhard Engleder
2022-09-16 22:16         ` Vladimir Oltean
2022-09-14 15:33 ` [PATCH net-next 11/13] igc: " Vladimir Oltean
2022-09-14 15:33 ` [PATCH net-next 12/13] net: stmmac: " Vladimir Oltean
2022-09-14 15:33 ` [PATCH net-next 13/13] net: am65-cpsw: " Vladimir Oltean
2022-09-14 21:47 ` [PATCH net-next 00/13] Add tc-taprio support for queueMaxSDU Vinicius Costa Gomes

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