Re: [PATCH net-next 2/3] dt-bindings: net: cdns,macb: Add wol-arp-packet property

[Vineeth Karumanchi]

Hi Andrew,


On 31/01/24 6:56 am, Andrew Lunn wrote:
> On Tue, Jan 30, 2024 at 04:18:44PM +0530, Vineeth Karumanchi wrote:
> > "wol-arp-packet" property enables WOL with ARP packet.
> > It is an extension to "magic-packet for WOL.
>
> It not clear why this is needed. Is this not a standard feature of the
> IP? Is there no hardware bit indicating the capability?

WOL via both ARP and Magic packet is supported by the IP version on ZU+ 
and Versal. However, user can choose which type of packet to recognize 
as a WOL event - magic packet or ARP. The existing DT binding already 
describes one entry for wol via magic packet. Hence, adding a new packet 
type using the same methodology.


vineeth


>      Andrew