ethtool: future-proof interface for speed extensions

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Many virtual and not quite virtual devices allow any speed to be set
through ethtool. In particular, this applies to the virtio-net devices.
Document this fact to make sure people don't assume the enum lists all
possible values.  Reserve values greater than INT_MAX for future
extension and to avoid conflict with SPEED_UNKNOWN.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Michael S. Tsirkin 2016-02-07 23:27:55 +02:00 • committed by David S. Miller

parent 809dc75e9b

commit 4456ed04ea

1 changed files with 3 additions and 3 deletions

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include/uapi/linux/ethtool.h

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