From: Stephen Hemminger <shemminger@vyatta.com>
To: Ben Greear <greearb@candelatech.com>
Cc: David Miller <davem@davemloft.net>,
bridge@linux-foundation.org, netdev@vger.kernel.org
Subject: Re: [PATCH net-next] bridge: add notification over netlink when STP changes state
Date: Wed, 18 May 2011 08:39:48 -0700 [thread overview]
Message-ID: <20110518083948.261ded68@nehalam> (raw)
In-Reply-To: <4DD3E38C.30609@candelatech.com>
On Wed, 18 May 2011 08:19:40 -0700
Ben Greear <greearb@candelatech.com> wrote:
> On 05/18/2011 08:17 AM, Stephen Hemminger wrote:
> > The first netlink code in the bridge module was to notify
> > user space implementations of Spanning Tree Protocol about
> > new ports. It did not handle the case of kernel mode STP
> > changing states which could be useful for monitoring.
> >
> > This patch causes RTM_NEWLINK message to occur on kernel
> > transitions. It does not send message if request was from user
> > space STP, since that would cause reflection and break existing
> > API.
>
> So one app monitoring the system won't get updates if another
> app makes changes?
>
> Ben
For now, yes. Just don't want to break any existing users
which is more important.
--
next prev parent reply other threads:[~2011-05-18 15:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-18 15:17 [PATCH net-next] bridge: add notification over netlink when STP changes state Stephen Hemminger
2011-05-18 15:19 ` Ben Greear
2011-05-18 15:39 ` Stephen Hemminger [this message]
2011-05-18 16:18 ` Ben Greear
2011-05-18 23:48 ` Stephen Hemminger
2011-05-18 22:10 ` David Miller
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