netdev - Re: [PATCH net-next 1/4] bridge: Add sysfs interface to control promisc mode

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Message-ID: <20130313083843.411b3a6c@nehalam.linuxnetplumber.net>
Date:	Wed, 13 Mar 2013 08:38:43 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Vlad Yasevich <vyasevic@...hat.com>
Cc:	netdev@...r.kernel.org, bridge@...ts.linux-foundation.org
Subject: Re: [PATCH net-next 1/4] bridge: Add sysfs interface to control
 promisc mode

On Tue, 12 Mar 2013 21:45:23 -0400
Vlad Yasevich <vyasevic@...hat.com> wrote:

> Add an sysfs interface to turn promiscusous mode on and off on
> the bridge.  By default all interfaces in the bridge
> are in promisc mode.  When promisc mode is turned off, it is
> turned off on all bridge ports and the bridge turns on IFF_ALLMULTI
> to handle multicast traffic.
> 
> Signed-off-by: Vlad Yasevich <vyasevic@...hat.com>
> ---
>  net/bridge/br_device.c   |   41 +++++++++++++++++++++++++++++++++++++++++
>  net/bridge/br_if.c       |   22 +++++++++++++++++-----
>  net/bridge/br_private.h  |    2 ++
>  net/bridge/br_sysfs_br.c |   17 +++++++++++++++++
>  4 files changed, 77 insertions(+), 5 deletions(-)
> 

All attribute changes must also be available through netlink, and changes
to attributes should cause a notification to applications listening for
netlink events on that bridge.
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