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Date:	Mon, 29 Dec 2014 21:25:01 -0800
From:	Scott Feldman <>
To:	roopa <>
Cc:	Netdev <>,,
	"" <>,
	Wilson Kok <>
Subject: Re: [PATCH 6/6] bridge: add vlan info to bridge setlink and dellink
 notification messages

On Mon, Dec 29, 2014 at 9:17 PM, roopa <> wrote:
> On 12/29/14, 3:42 PM, Scott Feldman wrote:
>> On Mon, Dec 29, 2014 at 1:05 PM,  <> wrote:
>>> From: Roopa Prabhu <>
>>> vlan add/deletes are not notified to userspace today. This patch fixes
>>> it.
>>> Notifications will contain vlans compressed into ranges whereever
>>> applicable.
>> Why is this notification needed?  On VLAN add/del, the port driver
>> will already get called if it implements ndo_vlan_rx_add_vid and
>> ndo_vlan_rx_kill_vid.
> This is strictly for userspace.
>>    The port driver already gets the notification
>> it needs to filter vlans.  User space can query for vlan port
>> membership if it needs to know.
> You mean request a dump ?. yes it can if it needs all the configured vlans.
> But for notifications, we must at the least notify what changed with respect
> to vlans with RTM_SETLINK/DELLINK, no ?

You'll get that notification if you implement ndo_vlan_rx_add/kill_vid
in your port driver, which is called from RTM_SETLINK/DELLINK.  Your
port driver can send to user-space, I suppose, if user-space needs
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