From: Stephen Hemminger <shemminger@vyatta.com>
To: Flavio Leitner <fbl@redhat.com>
Cc: John Fastabend <john.fastabend@gmail.com>,
Jiri Pirko <jiri@resnulli.us>,
netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
bhutchings@solarflare.com, mirqus@gmail.com,
greearb@candelatech.com
Subject: Re: [patch net-next 0/4] net: allow to change carrier from userspace
Date: Thu, 13 Dec 2012 10:20:51 -0800 [thread overview]
Message-ID: <20121213102051.72ad69aa@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <20121213161733.7bffe897@obelix.rh>
On Thu, 13 Dec 2012 16:17:33 -0200
Flavio Leitner <fbl@redhat.com> wrote:
> On Thu, 13 Dec 2012 10:09:33 -0800
> Stephen Hemminger <shemminger@vyatta.com> wrote:
>
> > On Thu, 13 Dec 2012 15:54:23 -0200
> > Flavio Leitner <fbl@redhat.com> wrote:
> >
> > > I am saying this because people are used to and there are scripts out
> > > there using something like:
> > > # ethtool <iface> | grep 'Link'
> > > to react an interface failure.
> >
> > Then the script is broken. It is asking about hardware state.
>
> I was talking about the team master interface, so it makes sense
> to check its 'hardware' state. Just think on 'bond0' interface
> with no slaves. It should report Link detected: no.
>
> See bond_release(), what happens if bond->slave_cnt == 0, for instance.
>
I was thinking more that ethtool operation for reporting link on
the team device should use the proper check rather than just using netif_carrier_ok(),
the team ethtool operation for get_link should be check IFF_RUNNING flag
in dev->flags which is controlled by operstate transistions.
next prev parent reply other threads:[~2012-12-13 18:22 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-12 10:58 [patch net-next 0/4] net: allow to change carrier from userspace Jiri Pirko
2012-12-12 10:58 ` [patch net-next 1/4] net: add change_carrier netdev op Jiri Pirko
2012-12-12 10:58 ` [patch net-next 2/4] net: allow to change carrier via sysfs Jiri Pirko
2012-12-12 10:58 ` [patch net-next 3/4] rtnl: expose carrier value with possibility to set it Jiri Pirko
2012-12-12 10:58 ` [patch net-next 4/4] dummy: implement carrier change Jiri Pirko
2012-12-12 16:15 ` [patch net-next 0/4] net: allow to change carrier from userspace Stephen Hemminger
2012-12-12 17:05 ` Jiri Pirko
2012-12-12 17:27 ` Stephen Hemminger
2012-12-12 18:10 ` Jiri Pirko
2012-12-12 18:12 ` Stephen Hemminger
2012-12-12 18:25 ` Jiri Pirko
2012-12-12 18:36 ` Stephen Hemminger
2012-12-12 18:49 ` Jiri Pirko
2012-12-12 18:54 ` Stephen Hemminger
2012-12-12 19:06 ` Jiri Pirko
2012-12-12 19:34 ` Stephen Hemminger
2012-12-13 16:17 ` Jiri Pirko
2012-12-13 17:15 ` John Fastabend
2012-12-13 17:54 ` Flavio Leitner
2012-12-13 18:09 ` Stephen Hemminger
2012-12-13 18:17 ` Flavio Leitner
2012-12-13 18:20 ` Stephen Hemminger [this message]
2012-12-13 18:33 ` Dan Williams
2012-12-13 19:09 ` John Fastabend
2012-12-13 21:32 ` Jiri Pirko
2012-12-14 14:41 ` Jiri Pirko
2012-12-14 16:12 ` Stephen Hemminger
2012-12-14 16:35 ` Jiri Pirko
2012-12-14 16:59 ` Stephen Hemminger
2012-12-14 17:13 ` Jiri Pirko
2012-12-14 17:23 ` Stephen Hemminger
2012-12-14 17:35 ` Jiri Pirko
2012-12-16 10:54 ` Jiri Pirko
2012-12-18 6:49 ` Stephen Hemminger
2012-12-18 9:31 ` Jiri Pirko
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