From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Benedikt Spranger <b.spranger@linutronix.de>,
Oliver Hartkopp <socketcan@hartkopp.net>
Cc: Wolfgang Grandegger <wg@grandegger.com>,
linux-can <linux-can@vger.kernel.org>
Subject: API to support hardware priorities (was: Re: API zur hardwareunterstützten Priorisierung von CAN-Paketen)
Date: Mon, 9 Nov 2015 14:32:21 +0100 [thread overview]
Message-ID: <5640A065.2000401@pengutronix.de> (raw)
In-Reply-To: <20151109123618.41ad1bae@mitra>
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Let's move this discussion to the mailing list. I'll translate your
questions.
On 11/09/2015 12:36 PM, Benedikt Spranger wrote:
> C-CAN und D-CAN basierte Hardware (wie auch andere) unterstützt ja das
> priorisierende Versenden von CAN-Paketen. Gibt es Bestrebungen, dieses
> Feature in der API abzubilden?
Several CAN IP cores support prioritisation of CAN frames. Is it planned
to support this?
> Im konkreten Fall werden neben Bulk-Daten azyklisch auch zeitkritische
> CAN-Pakete versendet. Hierbei ist eine FIFO-Abarbeitung störend. Das
> Mailbox-basierte Design von C-CAN/D-CAN unterstützt ja neben der
> Verwendung der Mailboxen als FIFO auch die dedizierte Konfiguration auf
> eine CAN-Id/Maske.
Bene want to send bulk data and time critical cyclic data. Using a
hardware FIFO introduces unwanted latencies. He further mentions that
it's possible to configure the mailboxes to serve a CAN-ID/mask.
Hope I've got the gist of your mail, correct me if needed. :)
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Industrial Linux Solutions | Phone: +49-231-2826-924 |
Vertretung West/Dortmund | Fax: +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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next parent reply other threads:[~2015-11-09 13:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20151109123618.41ad1bae@mitra>
2015-11-09 13:32 ` Marc Kleine-Budde [this message]
2015-11-09 13:51 ` API to support hardware priorities Marc Kleine-Budde
2015-11-09 14:04 ` Oliver Hartkopp
2015-11-09 15:27 ` Benedikt Spranger
2015-11-09 15:38 ` Marc Kleine-Budde
2015-11-09 16:36 ` Benedikt Spranger
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