netdev - Re: [PATCH net-next] bridge: add notification over netlink when STP changes state

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20110518083948.261ded68@nehalam>
Date:	Wed, 18 May 2011 08:39:48 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Ben Greear <greearb@...delatech.com>
Cc:	David Miller <davem@...emloft.net>, bridge@...ux-foundation.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] bridge: add notification over netlink when STP
 changes state

On Wed, 18 May 2011 08:19:40 -0700
Ben Greear <greearb@...delatech.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.

-- 
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html