From: Marc Kleine-Budde <mkl@pengutronix.de>
To: John Ernberg <john.ernberg@actia.se>,
"linux-can@vger.kernel.org" <linux-can@vger.kernel.org>
Cc: "Adam Engström" <adam.engstrom@actia.se>
Subject: Re: Raw CAN socket support in LXC?
Date: Fri, 8 May 2015 13:54:35 +0200 [thread overview]
Message-ID: <554CA3FB.6070307@pengutronix.de> (raw)
In-Reply-To: <554C9B67.1030201@actia.se>
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On 05/08/2015 01:17 PM, John Ernberg wrote:
> On 2015-05-08 10:54, Marc Kleine-Budde wrote:
>> On 05/08/2015 10:45 AM, John Ernberg wrote:
>>> Our main use-case is to prevent a possible misbehaving application to
>>> bring down the entire system through memory leaks, crashes etc.
>>> At this time we have not considered any filtering or blocking of directions.
>> Can you see the your CAN interface inside of the LXC container? Or are
>> the RAW sockets the problem?
>>
>> Marc
>>
>> btw: you can use systemd to do memory limiting, too. It makes use of the
>> same feature in the kernel (cgroups).
>>
> Hi
>
> With the experimenting I have been able to do on an Ubuntu 14.04 LTS
> computer, I cannot find any CAN or virtual CAN interfaces inside the
> container.
> When I change the config to specifically forward CAN interfaces, like this:
> lxc.network.type = can
> lxc.network.link = lxcbr0
> lxc.network.flags = up
> lxc.network.hwaddr = 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
You're probably following an ethernet example here, right? So let's
first figure out, that lxc does in the background and see how this
translates into the CAN world.
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 prev parent reply other threads:[~2015-05-08 11:54 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-08 8:12 Raw CAN socket support in LXC? John Ernberg
2015-05-08 8:28 ` Marc Kleine-Budde
2015-05-08 8:45 ` John Ernberg
2015-05-08 8:54 ` Marc Kleine-Budde
2015-05-08 11:17 ` John Ernberg
2015-05-08 11:54 ` Marc Kleine-Budde [this message]
2015-05-08 12:24 ` John Ernberg
2015-05-08 12:31 ` Marc Kleine-Budde
2015-05-08 12:40 ` John Ernberg
2015-05-11 11:45 ` Pavel Pisa
2015-05-11 13:06 ` John Ernberg
2015-05-12 18:09 ` Oliver Hartkopp
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