netdev - Re: [RFC PATCH v2 net-next 0/3] Allow bridge to function in non-promisc mode

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Date:	Fri, 08 Mar 2013 10:17:29 -0500
From:	Vlad Yasevich <vyasevic@...hat.com>
To:	Stephen Hemminger <stephen@...workplumber.org>
CC:	netdev@...r.kernel.org, bridge@...ts.linux-foundation.org
Subject: Re: [RFC PATCH v2 net-next 0/3] Allow bridge to function in non-promisc
 mode

On 03/08/2013 12:43 AM, Stephen Hemminger wrote:
> On Thu,  7 Mar 2013 16:28:45 -0500
> Vlad Yasevich <vyasevic@...hat.com> wrote:
>
>> The series adds an ability to configure the bridge into a non-primiscuous
>> mode.   Instead, it provides the ability to identitfy some set of bridge
>> ports as uplinks and allows for MAC addresses to be programmed onto
>> those ports.  In case the port hardware does not support mac filter,
>> that port will be placed in promiscuous mode.
>>
>> Default bridge operation continues to remain as "promiscuous".  The new
>> functionality has to be enabled via sysfs (similar to other bridge extensions).
>>
>> The uplink mode is implemented as a flag on a bridge port.  The api to
>> change that flag follows the existing api to enable/disable other existing
>> flags.
>>
>> All comments are welcome.
>>
>
> Can we make this a one step process and less visible to the user.
> If user defines an uplink device, and the uplink device is capable of filtering
> (and what ever other pre-conditions people can think of), then the bridge will
> transparently switch to uplink/non-promisc mode.  This can also be used to trigger
> edge only mode in RSTP in the future.
>
> Less knobs.
>

Ok.  Let me see what I can do.

Thanks
-vlad

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