[Intel-wired-lan] [PATCH iwl-next v3] ixgbe: E610: force phy link to get down when interface is down

[Simon Horman]

On Wed, Jul 08, 2026 at 12:06:09PM +0200, Jedrzej Jagielski wrote:
> For the E610 family, similarly to the E8xx adapters, the default behavior
> is for the PHY link to remain up even when the corresponding OS interface
> is down.
> 
> Add function setting down the PHY config IXGBE_ACI_PHY_ENA_LINK bit
> what leads to disabling PHY link.
> 
> Now ixgbe_close() needs to share some of the ixgbe_watchdog_link_is_down
> code so move the common part into the separate function.
> 
> Align functionality with the implementation of the ice driver.
> 
> Let user to configure link-down-on-close enablement through ethtool.
> 
> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov at intel.com>
> Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski at intel.com>
> ---
> v2: apply Paul's notes
> v3: use e_err

Reviewed-by: Simon Horman <horms at kernel.org>