From: Jiri Benc <jbenc@redhat.com>
To: Vincent Bernat <vincent@bernat.im>
Cc: "David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org,
Nicolas Dichtel <nicolas.dichtel@6wind.com>
Subject: Re: [PATCH] veth: replace iflink by a dedicated symlink in sysfs
Date: Wed, 19 Aug 2015 14:38:00 +0200 [thread overview]
Message-ID: <20150819143800.6863fa3b@griffin> (raw)
In-Reply-To: <87bne38oj7.fsf@zoro.exoscale.ch>
On Wed, 19 Aug 2015 14:13:00 +0200, Vincent Bernat wrote:
> That's the main goal of this patch: advertising the peer link as
> IFLA_LINK attribute triggers an infinite loop in userland software when
> they follow iflink to discover network devices topology. iflink has
> always been the index of a lower device. If a sysfs symbolic link is not
> good enough, I can propose a new IFLA_PEER attribute instead.
This would cause regression and break applications for those of us who
started relying on the netnsid feature to match interfaces across net
name spaces.
This is tough. If you're going to do such thing, you would at least
need to also introduce IFLA_PEER_NETNSID.
Jiri
--
Jiri Benc
next prev parent reply other threads:[~2015-08-19 12:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <87fv3ier4s.fsf@zoro.exoscale.ch>
2015-08-19 6:44 ` Regression in 4.1 with veth and IFLA_LINK Vincent Bernat
2015-08-19 6:44 ` [PATCH] veth: replace iflink by a dedicated symlink in sysfs Vincent Bernat
2015-08-19 11:00 ` Jiri Benc
2015-08-19 12:13 ` Vincent Bernat
2015-08-19 12:38 ` Jiri Benc [this message]
2015-08-19 12:48 ` Vincent Bernat
2015-08-19 16:33 ` Nicolas Dichtel
2015-08-20 11:53 ` Jiri Benc
2015-08-20 14:31 ` Nicolas Dichtel
2015-08-20 21:07 ` David Miller
2015-08-22 20:51 ` Vincent Bernat
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