From: ebiederm@xmission.com (Eric W. Biederman)
To: Greg KH <gregkh@suse.de>
Cc: Benjamin Thery <benjamin.thery@bull.net>,
netdev <netdev@vger.kernel.org>,
Dave Miller <davem@davemloft.net>,
Al Viro <viro@ftp.linux.org.uk>, Serge Hallyn <serue@us.ibm.com>,
Daniel Lezcano <dlezcano@fr.ibm.com>,
linux-kernel@vger.kernel.org, Tejun Heo <htejun@gmail.com>,
Denis Lunev <den@openvz.org>,
Linux Containers <containers@lists.linux-foundation.org>
Subject: Re: [PATCH 0/4][RFC] netns: sysfs: add a netns suffix to net device sysfs entries
Date: Wed, 22 Oct 2008 14:08:26 -0700 [thread overview]
Message-ID: <m17i80l4mt.fsf@frodo.ebiederm.org> (raw)
In-Reply-To: <20081022201601.GC24959@suse.de> (Greg KH's message of "Wed, 22 Oct 2008 13:16:01 -0700")
Greg KH <gregkh@suse.de> writes:
> On Wed, Oct 22, 2008 at 05:21:44PM +0200, Benjamin Thery wrote:
>> Network devices from sub-network namespaces appear in sysfs
>> with a name that looks like this: device_name@netns_id
>> eg: lo@3, eth0@4e
>
> How does the default udev rules as shipped by most distros handle the
> renaming of the network device if the MAC address is duplicated like it
> will be for these eth devices?
The mac address is not duplicated.
Further devices like eth0@4e are completely unusable to the udev
rules in the initial network namespace because they can not talk
to or affect them.
As I read it Ben's ``solution'' puts entries in sysfs that are
completely unusable to udev.
Eric
next prev parent reply other threads:[~2008-10-22 21:14 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-22 15:21 [PATCH 0/4][RFC] netns: sysfs: add a netns suffix to net device sysfs entries Benjamin Thery
2008-10-22 15:21 ` [PATCH 1/4] netns: add in ida ID to identify the network namespace Benjamin Thery
2008-10-22 15:21 ` Benjamin Thery
2008-10-22 15:22 ` [PATCH 2/4] netns: Export nets id to /proc/net/netns Benjamin Thery
2008-10-22 15:22 ` Benjamin Thery
2008-10-22 15:22 ` [PATCH 3/4] net: cleanup some vars names to be more consistant with the network code Benjamin Thery
2008-10-22 15:22 ` Benjamin Thery
2008-10-22 15:22 ` [PATCH 4/4] netns: sysfs: add netns suffix to net devices sysfs entries Benjamin Thery
2008-10-22 15:22 ` Benjamin Thery
2008-10-22 19:59 ` [PATCH 0/4][RFC] netns: sysfs: add a netns suffix to net device " Eric W. Biederman
2008-10-22 20:30 ` Serge E. Hallyn
2008-10-22 21:01 ` Eric W. Biederman
2008-10-22 21:55 ` Stephen Hemminger
2008-10-22 22:54 ` Eric W. Biederman
[not found] ` <m11vy8jl5s.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-10-23 4:14 ` Kyle Moffett
2008-10-23 4:14 ` Kyle Moffett
2008-10-22 22:54 ` Eric W. Biederman
[not found] ` <m18wsgmji0.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-10-22 21:55 ` Stephen Hemminger
[not found] ` <20081022203045.GA4633-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-10-22 21:01 ` Eric W. Biederman
2008-10-23 11:56 ` Benjamin Thery
2008-10-23 15:46 ` Eric W. Biederman
[not found] ` <49006671.3010804-6ktuUTfB/bM@public.gmane.org>
2008-10-23 15:46 ` Eric W. Biederman
[not found] ` <m1d4hso0ym.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-10-22 20:30 ` Serge E. Hallyn
2008-10-23 11:56 ` Benjamin Thery
2008-10-22 20:16 ` Greg KH
2008-10-22 21:08 ` Eric W. Biederman [this message]
2008-10-22 21:24 ` Greg KH
[not found] ` <m17i80l4mt.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-10-22 21:24 ` Greg KH
[not found] ` <20081022201601.GC24959-l3A5Bk7waGM@public.gmane.org>
2008-10-22 21:08 ` Eric W. Biederman
2008-10-22 20:32 ` [PATCH] netns: Coexist with the sysfs limitations Eric W. Biederman
2008-10-22 20:40 ` Daniel Lezcano
2008-10-22 21:21 ` Serge E. Hallyn
2008-10-23 8:04 ` Benjamin Thery
2008-10-23 15:40 ` Eric W. Biederman
[not found] ` <49003019.40904-6ktuUTfB/bM@public.gmane.org>
2008-10-23 15:40 ` Eric W. Biederman
2008-10-23 15:56 ` [PATCH] netns: Coexist with the sysfs limitations v2 Eric W. Biederman
2008-10-23 15:56 ` Eric W. Biederman
[not found] ` <m1fxmni9uv.fsf_-_-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-10-27 19:41 ` David Miller
2008-10-27 19:41 ` David Miller
[not found] ` <20081027.124126.74749150.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2008-10-27 20:19 ` Eric W. Biederman
2008-10-27 20:19 ` Eric W. Biederman
[not found] ` <m1skqh4wq8.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-10-28 0:50 ` David Miller
2008-10-28 0:50 ` David Miller
[not found] ` <20081022212124.GA9910-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-10-23 8:04 ` [PATCH] netns: Coexist with the sysfs limitations Benjamin Thery
[not found] ` <m17i80nzff.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-10-22 20:40 ` Daniel Lezcano
2008-10-22 21:21 ` Serge E. Hallyn
[not found] ` <20081022152144.351965414-4vkkeT0zb4ZEtYaxpPmRp1aPQRlvutdw@public.gmane.org>
2008-10-22 19:59 ` [PATCH 0/4][RFC] netns: sysfs: add a netns suffix to net device sysfs entries Eric W. Biederman
2008-10-22 20:16 ` Greg KH
2008-10-22 20:32 ` [PATCH] netns: Coexist with the sysfs limitations Eric W. Biederman
-- strict thread matches above, loose matches on Subject: below --
2008-10-22 15:21 [PATCH 0/4][RFC] netns: sysfs: add a netns suffix to net device sysfs entries Benjamin Thery
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