Fri, Feb 05, 2016 at 06:38:42PM CET, wrote:
>On Fri, Feb 05, 2016 at 11:01:22AM +0100, Hannes Frederic Sowa wrote:
>> Okay. I see it more as changing mode of operation of hardware and thus has
>> not really anything to do with networking. If you say you change ethernet to
>> infiniband it has something to do with networking, sure. But I am fine with
>> this, I just thought the code size could be reduced by adding this to sysfs
>> quite a lot. I don't have a strong opinion on this.
>there is already a way to change eth/ib via
>echo 'eth' > /sys/bus/pci/drivers/mlx4_core/0000:02:00.0/mlx4_port1
>sounds like this is another way to achieve the same?

It is. However the current way is driver-specific, not correct.
For mlx5, we need the same, it cannot be done in this way. Do devlink is
the correct way to go.

>Why not hide echo/cat in iproute2 instead of adding parallel netlink api?
>Or this is for switches instead of nics?
>Then why it's not adding to switchdev?

Note this is not specific to switch ASICs. This is for all network devices.

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