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Message-ID: <20231026095803.a54uni73ugwm33sg@skbuf> Date: Thu, 26 Oct 2023 12:58:03 +0300 From: Vladimir Oltean <olteanv@...il.com> To: Oleksij Rempel <o.rempel@...gutronix.de> Cc: "David S. Miller" <davem@...emloft.net>, Andrew Lunn <andrew@...n.ch>, Eric Dumazet <edumazet@...gle.com>, Florian Fainelli <f.fainelli@...il.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Woojung Huh <woojung.huh@...rochip.com>, Arun Ramadoss <arun.ramadoss@...rochip.com>, Conor Dooley <conor+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Rob Herring <robh+dt@...nel.org>, Florian Fainelli <florian.fainelli@...adcom.com>, kernel@...gutronix.de, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, UNGLinuxDriver@...rochip.com, "Russell King (Oracle)" <linux@...linux.org.uk>, devicetree@...r.kernel.org Subject: Re: [PATCH net-next v8 1/5] net: dsa: microchip: ksz9477: Add Wake on Magic Packet support 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@...gutronix.de> > Reviewed-by: Florian Fainelli <florian.fainelli@...adcom.com> > --- Reviewed-by: Vladimir Oltean <vladimir.oltean@....com>
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