Re: [PATCH net-next v8 1/5] net: dsa: microchip: ksz9477: Add Wake on Magic Packet support

[Vladimir Oltean]

On Thu, Oct 26, 2023 at 07:10:47AM +0200, Oleksij Rempel wrote:
> Introduce Wake on Magic Packet (WoL) functionality to the ksz9477
> driver.
> 
> Major changes include:
> 
> 1. Extending the `ksz9477_handle_wake_reason` function to identify Magic
>    Packet wake events alongside existing wake reasons.
> 
> 2. Updating the `ksz9477_get_wol` and `ksz9477_set_wol` functions to
>    handle WAKE_MAGIC alongside the existing WAKE_PHY option, and to
>    program the switch's MAC address register accordingly when Magic
>    Packet wake-up is enabled. This change will prevent WAKE_MAGIC
>    activation if the related port has a different MAC address compared
>    to a MAC address already used by HSR or an already active WAKE_MAGIC
>    on another port.
> 
> 3. Adding a restriction in `ksz_port_set_mac_address` to prevent MAC
>    address changes on ports with active Wake on Magic Packet, as the
>    switch's MAC address register is utilized for this feature.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> Reviewed-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
> ---

Reviewed-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>