netdev - Port attributes configuration

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Date:	Tue, 29 Jul 2014 10:15:10 +0100
From:	Marco Varlese <marco.varlese@...il.com>
To:	netdev@...r.kernel.org
Subject: Port attributes configuration

I'm working on a new platform and the network interfaces will have
quite few new options (roughly 50) to configure. What I definitely
want to achieve is to use the common tools available on Linux to let
users configure the port attributes from user-space without writing a
brand new ad-hoc tool.

Considered my requirements I think I've a choice of configuring these
port attributes via:
1) ethtool: this I guess will require patches to the tool itself plus
patches to the kernel to extend the IOCTL calls performed by it;
2) sysfs: adding new files under /sys/class/net/DEVICE/ and handle the
sysfs extensions in my kernel driver;
3) netlink: I understand this seems to be the path most people prefer
but I think it will require a new tool to be written?

What would you suggest as the best approach here to have a good
solution accepted by most?

Thanks,
Marco
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