From: David Laight <david.lai...@aculab.com> Date: Mon, 30 Jan 2017 14:00:28 +0000
> From: Tariq Toukan >> Sent: 29 January 2017 16:56 >> From: Ariel Levkovich <lar...@mellanox.com> >> >> This feature will allow the user to disable auto negotiation >> on the port for mlx4 devices while setting the speed is limited >> to 1GbE speeds. >> Other speeds will not be accepted in autoneg off mode. > > What is the rationale behind this change? Because it's an ethtool user feature we've had to two decades and it allows the user greater control over the link state. > When I was writing ethernet drivers it was always better to > leave autonegotiation enabled with restricted modes than to > fix the speed. Nothing about this change effects this. The user is just given the ability to turn autonegotiation off if they wish to do so.