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SubjectRe: [RFC PATCH net-next 1/1] net: Support for switch port configuration
On 12/10/2014 08:50 AM, Jiri Pirko wrote:
> Wed, Dec 10, 2014 at 05:23:40PM CET, marco.varlese@intel.com wrote:
>> From: Marco Varlese <marco.varlese@intel.com>
>>
>> Switch hardware offers a list of attributes that are configurable
>> on a per port basis.
>> This patch provides a mechanism to configure switch ports by adding
>> an NDO for setting specific values to specific attributes.
>> There will be a separate patch that extends iproute2 to call the
>> new NDO.
>
>
> What are these attributes? Can you give some examples. I'm asking
> because there is a plan to pass generic attributes to switch ports
> replacing current specific ndo_switch_port_stp_update. In this case,
> bridge is setting that attribute.
>
> Is there need to set something directly from userspace or does it make
> rather sense to use involved bridge/ovs/bond ? I think that both will be
> needed.

+1

I think for many attributes it would be best to have both. The in
kernel callers and netlink userspace can use the same driver ndo_ops.

But then we don't _require_ any specific bridge/ovs/etc module. And we
may have some attributes that are not specific to any existing software
module. I'm guessing Marco has some examples of these.

[...]


--
John Fastabend Intel Corporation


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